{"id":5996,"date":"2026-06-23T01:00:00","date_gmt":"2026-06-23T01:00:00","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=5996"},"modified":"2026-06-22T07:39:32","modified_gmt":"2026-06-22T07:39:32","slug":"how-to-judge-4-roll-plate-bending-machine-quality","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/fr\/how-to-judge-4-roll-plate-bending-machine-quality\/","title":{"rendered":"Comment \u00e9valuer la qualit\u00e9 d&#039;une cintreuse \u00e0 4 rouleaux ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5996\" class=\"elementor elementor-5996\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cdc9921 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cdc9921\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6efd746\" data-id=\"6efd746\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-64dd3a4 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"64dd3a4\" data-element_type=\"widget\" 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.elementor-toc__list-item-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.elementor-toc__list-items--collapsible>.elementor-toc__list-wrapper>.elementor-toc__list-item>.elementor-toc__list-wrapper{display:none}.elementor-toc__heading-anchor{position:absolute}.elementor-toc__body .elementor-toc__list-item-text{color:var(--item-text-color);-webkit-text-decoration:var(--item-text-decoration);text-decoration:var(--item-text-decoration)}.elementor-toc__body .elementor-toc__list-item-text:hover{color:var(--item-text-hover-color);-webkit-text-decoration:var(--item-text-hover-decoration);text-decoration:var(--item-text-hover-decoration)}.elementor-toc__body .elementor-toc__list-item-text.elementor-item-active{color:var(--item-text-active-color);-webkit-text-decoration:var(--item-text-active-decoration);text-decoration:var(--item-text-active-decoration)}ol.elementor-toc__list-wrapper{counter-reset:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item{counter-increment:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item-text-wrapper:before{content:counters(item,\".\") \". \"}<\/style>\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h3 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h3>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__64dd3a4\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__64dd3a4\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__64dd3a4\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6de83db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6de83db\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-077152a\" data-id=\"077152a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb5115a elementor-widget elementor-widget-text-editor\" data-id=\"eb5115a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>L&#039;\u00e9valuation de la qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux ne peut se fonder uniquement sur la marque, le prix ou les sp\u00e9cifications. Une analyse compl\u00e8te doit \u00eatre men\u00e9e selon de multiples crit\u00e8res, notamment la conception structurelle, le choix des mat\u00e9riaux, le processus de fabrication, le syst\u00e8me hydraulique, le syst\u00e8me de commande \u00e9lectrique, la pr\u00e9cision d&#039;usinage, la stabilit\u00e9, la dur\u00e9e de vie et le service apr\u00e8s-vente.<\/p><p>Les rouleuses \u00e0 quatre cylindres sont des \u00e9quipements essentiels dans le domaine du formage de t\u00f4les m\u00e9talliques. Elles sont largement utilis\u00e9es dans des secteurs tels que les appareils \u00e0 pression, les \u00e9oliennes, les r\u00e9servoirs de stockage p\u00e9trochimiques, la construction navale, la construction m\u00e9tallique, la fabrication de machines et la fabrication de pipelines. Leur prix, qui varie de plusieurs centaines de milliers \u00e0 plusieurs millions de yuans, rend l&#039;\u00e9valuation pr\u00e9cise de leur qualit\u00e9 primordiale lors de l&#039;achat.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a45101e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a45101e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-82628ff\" data-id=\"82628ff\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13298f2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"13298f2\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon 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100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e19673 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e19673\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8c82e9d\" data-id=\"8c82e9d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c58e0d2 elementor-widget elementor-widget-heading\" data-id=\"c58e0d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">1. Quels sont les \u00e9l\u00e9ments \u00e0 prendre en compte pour juger de la qualit\u00e9 d&#039;une cintreuse \u00e0 4 rouleaux ?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba8b30b elementor-widget elementor-widget-image\" data-id=\"ba8b30b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/4-Roll-Plate-Bending-Machine-12X320MM.jpg\" class=\"attachment-large size-large wp-image-6002\" alt=\"Cintreuse de t\u00f4les \u00e0 4 rouleaux 12 x 320 mm\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/4-Roll-Plate-Bending-Machine-12X320MM.jpg 800w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/4-Roll-Plate-Bending-Machine-12X320MM-300x225.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/4-Roll-Plate-Bending-Machine-12X320MM-768x576.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/4-Roll-Plate-Bending-Machine-12X320MM-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fa2f7b elementor-widget elementor-widget-text-editor\" data-id=\"4fa2f7b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Beaucoup de gens jugent la qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux en se basant uniquement sur son aspect neuf, la brillance de sa peinture ou la notori\u00e9t\u00e9 de la marque. Ces crit\u00e8res sont insuffisants.<\/p><p>Ce que vous devez vraiment examiner, ce sont les indicateurs cl\u00e9s suivants\u00a0:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-841538d elementor-widget elementor-widget-heading\" data-id=\"841538d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) La pr\u00e9cision de laminage est-elle stable ? <\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb5a2a0 elementor-widget elementor-widget-text-editor\" data-id=\"eb5a2a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Le laminage d&#039;une m\u00eame plaque aujourd&#039;hui donnera-t-il le m\u00eame r\u00e9sultat que demain\u00a0? Observe-t-on des diff\u00e9rences significatives dans l&#039;effet de laminage selon les op\u00e9rateurs\u00a0?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-490d2b6 elementor-widget elementor-widget-heading\" data-id=\"490d2b6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) La capacit\u00e9 de pr\u00e9-cintrage est-elle importante ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4edb0c elementor-widget elementor-widget-text-editor\" data-id=\"c4edb0c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L&#039;un des principaux avantages d&#039;une rouleuse \u00e0 quatre rouleaux est sa capacit\u00e9 de pr\u00e9-cintrage. Si le rayon de pr\u00e9-cintrage est faible et que les bords ne sont pas correctement serr\u00e9s, la pi\u00e8ce obtenue risque d&#039;avoir des bords droits, ce qui nuit \u00e0 la qualit\u00e9 du produit fini.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-546680f elementor-widget elementor-widget-heading\" data-id=\"546680f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) La rondeur obtenue est-elle satisfaisante ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9a69cd elementor-widget elementor-widget-text-editor\" data-id=\"b9a69cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Le cylindre lamin\u00e9 est-il parfaitement rond\u00a0? Pr\u00e9sente-t-il des ovales, des renflements locaux, des ondulations ou des torsions\u00a0?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3771436 elementor-widget elementor-widget-heading\" data-id=\"3771436\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) L&#039;\u00e9quipement est-il suffisamment rigide ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1b77c0 elementor-widget elementor-widget-text-editor\" data-id=\"b1b77c0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Le ch\u00e2ssis, les rouleaux, les supports de roulement et le syst\u00e8me hydraulique se d\u00e9forment-ils, vibrent-ils ou d\u00e9vient-ils sous une charge importante\u00a0?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2462d59 elementor-widget elementor-widget-heading\" data-id=\"2462d59\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) L&#039;op\u00e9ration se d\u00e9roule-t-elle sans probl\u00e8me ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c388578 elementor-widget elementor-widget-text-editor\" data-id=\"c388578\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Les op\u00e9rations de levage, de serrage, de bordage et de roulement sont-elles fluides\u00a0? Y a-t-il des blocages, des bruits anormaux ou des impacts apparents\u00a0?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8aac52c elementor-widget elementor-widget-heading\" data-id=\"8aac52c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) L&#039;automatisation et la contr\u00f4labilit\u00e9 sont-elles fiables ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b04e527 elementor-widget elementor-widget-text-editor\" data-id=\"b04e527\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Le syst\u00e8me de contr\u00f4le est-il clair\u00a0? Les param\u00e8tres sont-ils pr\u00e9cis\u00a0? La r\u00e9p\u00e9tabilit\u00e9 est-elle stable\u00a0? Les alarmes de d\u00e9faut sont-elles justifi\u00e9es\u00a0?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e13a9b elementor-widget elementor-widget-heading\" data-id=\"8e13a9b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">7) Dur\u00e9e de vie et co\u00fbts d&#039;entretien<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20b7d87 elementor-widget elementor-widget-text-editor\" data-id=\"20b7d87\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il ne suffit pas qu&#039;il fonctionne bien le jour de l&#039;achat\u00a0; l&#039;important est qu&#039;il reste stable apr\u00e8s un ou trois ans de production continue.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5cbda3c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cbda3c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-22f8c1c\" data-id=\"22f8c1c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0cc0f26 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0cc0f26\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-40d32da elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40d32da\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bd0d9da\" data-id=\"bd0d9da\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c35b8b elementor-widget elementor-widget-heading\" data-id=\"4c35b8b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Juger d&#039;apr\u00e8s la structure<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2151833 elementor-widget elementor-widget-text-editor\" data-id=\"2151833\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux d\u00e9pend avant tout de sa structure m\u00e9canique. De nombreux probl\u00e8mes ne peuvent \u00eatre r\u00e9solus par de simples r\u00e9glages, mais sont intrins\u00e8quement li\u00e9s \u00e0 sa conception.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d08c862 elementor-widget elementor-widget-heading\" data-id=\"d08c862\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Le ch\u00e2ssis est-il lourd et la soudure est-elle correcte ? <\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1aed74 elementor-widget elementor-widget-heading\" data-id=\"a1aed74\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Les ch\u00e2ssis de machines \u00e0 rouler de haute qualit\u00e9 pr\u00e9sentent g\u00e9n\u00e9ralement les caract\u00e9ristiques suivantes\u00a0:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0dae745 elementor-widget elementor-widget-text-editor\" data-id=\"0dae745\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>Plaques d&#039;acier \u00e9paisses sur toute la surface, soudures uniformes et continues, sans caniveaux apparents, porosit\u00e9s ou inclusions de laitier.<\/li><li>Des nervures de renfort sont pr\u00e9sentes dans les zones porteuses cl\u00e9s ; il ne s&#039;agit pas simplement d&#039;une structure \u00ab \u00e9paisse \u00e0 l&#039;ext\u00e9rieur et creuse \u00e0 l&#039;int\u00e9rieur \u00bb.<\/li><li>Une bonne sym\u00e9trie entre les c\u00f4t\u00e9s gauche et droit du cadre le rend moins sujet \u00e0 la d\u00e9formation sous charge.<\/li><li>Un traitement de vieillissement suffisant ou un traitement de vieillissement par vibration est effectu\u00e9 apr\u00e8s le soudage afin de r\u00e9duire les contraintes internes.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3423af elementor-widget elementor-widget-text-editor\" data-id=\"a3423af\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Si la conception du ch\u00e2ssis est m\u00e9diocre, les probl\u00e8mes suivants risquent de se produire lors du roulage de plaques \u00e9paisses\u00a0:<\/b><\/strong><\/p><ul><li>Mauvaise synchronisation gauche-droite<\/li><li>D\u00e9formation de l&#039;ouverture sous pression<\/li><li>Un c\u00f4t\u00e9 de la pi\u00e8ce est serr\u00e9 tandis que l&#039;autre est l\u00e2che.<\/li><li>Pr\u00e9cision d\u00e9croissante avec une utilisation prolong\u00e9e<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d455562 elementor-widget elementor-widget-heading\" data-id=\"d455562\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Mat\u00e9riau et traitement de surface des quatre rouleaux<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a85fbf elementor-widget elementor-widget-text-editor\" data-id=\"8a85fbf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L&#039;\u00e9l\u00e9ment central d&#039;un broyeur \u00e0 quatre cylindres est constitu\u00e9 des cylindres.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-168ec64 elementor-widget elementor-widget-heading\" data-id=\"168ec64\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Le jugement de qualit\u00e9 doit porter sur\u00a0:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4583c4 elementor-widget elementor-widget-text-editor\" data-id=\"d4583c4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>Mat\u00e9riau id\u00e9al pour les rouleaux\u00a0: il convient g\u00e9n\u00e9ralement d\u2019utiliser un acier alli\u00e9 \u00e0 haute r\u00e9sistance, qui doit subir un traitement thermique appropri\u00e9.<\/li><li>Duret\u00e9 superficielle suffisante : Une duret\u00e9 superficielle \u00e9lev\u00e9e assure une bonne r\u00e9sistance \u00e0 l&#039;usure et pr\u00e9vient les dommages dus \u00e0 la pression et \u00e0 l&#039;usure.<\/li><li>Surface finement rectifi\u00e9e : La faible rugosit\u00e9 de la surface du rouleau emp\u00eache la plaque de glisser ou de se rayer.<\/li><li>Rectitude et faux-rond du rouleau : Si le rouleau lui-m\u00eame n&#039;est pas droit, m\u00eame le meilleur contr\u00f4le ult\u00e9rieur sera inefficace.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2805e8 elementor-widget elementor-widget-text-editor\" data-id=\"d2805e8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>En clair, la qualit\u00e9 du rouleau d\u00e9termine la dur\u00e9e de vie et la stabilit\u00e9 de formage de l&#039;\u00e9quipement. Si des indentations, des rayures, des \u00e9br\u00e9chures ou une usure irr\u00e9guli\u00e8re apparaissent rapidement \u00e0 la surface du rouleau, cela indique un probl\u00e8me de mat\u00e9riau, de traitement thermique ou de pr\u00e9cision d&#039;usinage.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc26e05 elementor-widget elementor-widget-heading\" data-id=\"bc26e05\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Fiabilit\u00e9 du support d&#039;arbre \u00e0 rouleaux et des roulements<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afc4b40 elementor-widget elementor-widget-text-editor\" data-id=\"afc4b40\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Quand le <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/fr\/plate-rolling-machine\/\" target=\"_blank\" rel=\"noopener\">machine \u00e0 rouler les plaques<\/a><\/span> En fonctionnement, les roulements \u00e0 rouleaux ne sont pas soumis \u00e0 des charges de rotation ordinaires, mais plut\u00f4t \u00e0 une pression radiale \u00e9norme et \u00e0 des charges altern\u00e9es.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4303cc elementor-widget elementor-widget-text-editor\" data-id=\"e4303cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Il est donc n\u00e9cessaire de v\u00e9rifier\u00a0:<\/b><\/strong><\/p><ul><li>Il convient de v\u00e9rifier si le mod\u00e8le de roulement est appropri\u00e9 et s&#039;il s&#039;agit d&#039;un mod\u00e8le robuste.<\/li><li>La rigidit\u00e9 du logement de palier est-elle suffisante ?<\/li><li>Que la conception \u00e9tanche et anti-poussi\u00e8re soit compl\u00e8te<\/li><li>La facilit\u00e9 d&#039;acc\u00e8s aux points de lubrification et leur centralisation<\/li><li>Qu\u2019il y ait surchauffe, bruit anormal ou blocage sous forte charge<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d54fa1e elementor-widget elementor-widget-text-editor\" data-id=\"d54fa1e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Si la conception des roulements est d\u00e9fectueuse, l&#039;\u00e9quipement pr\u00e9sente souvent les probl\u00e8mes suivants lors du laminage de plaques \u00e9paisses\u00a0:<\/b><\/strong><\/p><ul><li>bruit \u00e9lev\u00e9<\/li><li>Augmentation de la temp\u00e9rature<\/li><li>Mouvement axial<\/li><li>Pr\u00e9cision diminu\u00e9e apr\u00e8s une utilisation prolong\u00e9e<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8ebb922 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ebb922\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-33a8ab5\" data-id=\"33a8ab5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc94a64 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"fc94a64\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-316fb9a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"316fb9a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a90b83\" data-id=\"3a90b83\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce487d7 elementor-widget elementor-widget-heading\" data-id=\"ce487d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Examinez les mouvements principaux : le serrage, le levage du rouleau sup\u00e9rieur et le mouvement du rouleau inf\u00e9rieur sont-ils pr\u00e9cis ?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c723ce8 elementor-widget elementor-widget-image\" data-id=\"c723ce8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"545\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SW12-4-roll-plate-bending-machine-60X2000mm.jpg\" class=\"attachment-large size-large wp-image-6003\" alt=\"\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SW12-4-roll-plate-bending-machine-60X2000mm.jpg 800w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SW12-4-roll-plate-bending-machine-60X2000mm-300x204.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SW12-4-roll-plate-bending-machine-60X2000mm-768x523.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SW12-4-roll-plate-bending-machine-60X2000mm-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-277c6e6 elementor-widget elementor-widget-text-editor\" data-id=\"277c6e6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux d\u00e9pend de son syst\u00e8me de mouvement, car celui-ci influe directement sur la pr\u00e9cision du pr\u00e9-cintrage, du roulage et de la r\u00e9p\u00e9tabilit\u00e9 de la t\u00f4le.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97f8db5 elementor-widget elementor-widget-heading\" data-id=\"97f8db5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Le serrage du rouleau sup\u00e9rieur est-il stable ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e018896 elementor-widget elementor-widget-text-editor\" data-id=\"e018896\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Un syst\u00e8me de serrage de rouleau sup\u00e9rieur de haute qualit\u00e9 doit poss\u00e9der les caract\u00e9ristiques suivantes\u00a0:<\/b><\/strong><\/p><ul><li>Force de serrage suffisante<\/li><li>Synchronisation gauche et droite, sans biais<\/li><li>Aucun retour \u00e9lastique ni glissement apr\u00e8s le serrage<\/li><li>Mouvement fluide lors des changements de hauteur<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-157eedc elementor-widget elementor-widget-text-editor\" data-id=\"157eedc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Si le serrage est instable, la t\u00f4le glissera pendant le processus de laminage, ce qui entra\u00eenera\u00a0:<\/b><\/strong><\/p><ul><li>rondeur irr\u00e9guli\u00e8re<\/li><li>Bords pr\u00e9-pli\u00e9s irr\u00e9guliers<\/li><li>d\u00e9formation des extr\u00e9mit\u00e9s de la pi\u00e8ce<\/li><li>R\u00e9sidus excessifs de la r\u00e8gle<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bc1a26 elementor-widget elementor-widget-heading\" data-id=\"5bc1a26\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Le rouleau inf\u00e9rieur est-il synchronis\u00e9 et sym\u00e9trique ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-142d231 elementor-widget elementor-widget-text-editor\" data-id=\"142d231\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Le rouleau inf\u00e9rieur d&#039;un broyeur \u00e0 quatre rouleaux assure g\u00e9n\u00e9ralement le support et l&#039;entra\u00eenement, ce qui n\u00e9cessite\u00a0:<\/b><\/strong><\/p><ul><li>Haute pr\u00e9cision de synchronisation gauche-droite<\/li><li>Contr\u00f4le pr\u00e9cis du d\u00e9placement<\/li><li>Pas de d\u00e9rive sous charge<\/li><li>Aucune asynchronie lors du fonctionnement \u00e0 long terme<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f137c5c elementor-widget elementor-widget-text-editor\" data-id=\"f137c5c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>En cas de mauvaise synchronisation, le probl\u00e8me le plus \u00e9vident est\u00a0:<\/b><\/strong><\/p><p>La pi\u00e8ce se plie d&#039;abord d&#039;un c\u00f4t\u00e9 puis de l&#039;autre, ce qui donne un cylindre roul\u00e9 sujet \u00e0 la d\u00e9formation et \u00e0 la torsion, rendant la correction difficile.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c587b3 elementor-widget elementor-widget-heading\" data-id=\"5c587b3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Le mouvement du rouleau lat\u00e9ral est-il d\u00e9licat ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5114579 elementor-widget elementor-widget-text-editor\" data-id=\"5114579\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Les rouleaux lat\u00e9raux sont des composants essentiels pour le pr\u00e9-cintrage et le formage sur un laminoir \u00e0 quatre cylindres.<\/p><p><strong><b>Les rouleaux lat\u00e9raux d&#039;un bon \u00e9quipement doivent poss\u00e9der les caract\u00e9ristiques suivantes\u00a0:<\/b><\/strong><\/p><ul><li>Large plage de r\u00e9glage<\/li><li>Positionnement pr\u00e9cis<\/li><li>R\u00e9ponse sensible<\/li><li>Aucune oscillation sous la force<\/li><\/ul><p>Si la commande du rouleau lat\u00e9ral est impr\u00e9cise, il sera difficile de presser les bords en place pendant le pr\u00e9-cintrage, ce qui sera particuli\u00e8rement perceptible lors du laminage de plaques minces, courtes ou \u00e9troites.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b5586db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b5586db\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d74e762\" data-id=\"d74e762\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0d63ce3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0d63ce3\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a745e86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a745e86\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c66f118\" data-id=\"c66f118\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d1d993c elementor-widget elementor-widget-heading\" data-id=\"d1d993c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. La capacit\u00e9 la plus importante\u00a0: l\u2019effet de pr\u00e9-cintrage<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-252660e elementor-widget elementor-widget-text-editor\" data-id=\"252660e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un avantage majeur de <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/fr\/4-roller-bending-machine\/\" target=\"_blank\" rel=\"noopener\">machines \u00e0 rouler les t\u00f4les \u00e0 quatre rouleaux<\/a><\/span> Comparativement aux machines \u00e0 trois rouleaux, leur capacit\u00e9 de pr\u00e9-cintrage est remarquable. Par cons\u00e9quent, pour \u00e9valuer la qualit\u00e9, il est essentiel de v\u00e9rifier si elles permettent un pressage net des bords de d\u00e9but et de fin.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8178c8d elementor-widget elementor-widget-heading\" data-id=\"8178c8d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) V\u00e9rifier la pr\u00e9sence de r\u00e9sidus de coupe<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e29497e elementor-widget elementor-widget-text-editor\" data-id=\"e29497e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L&#039;indicateur le plus direct d&#039;un bon effet de pr\u00e9-cintrage est la longueur du bord droit.<\/p><p>Les \u00e9quipements de haute qualit\u00e9 produisent des cylindres avec des bords droits plus courts, voire tr\u00e8s petits, aux deux extr\u00e9mit\u00e9s\u00a0; les machines de mauvaise qualit\u00e9 pr\u00e9sentent des bords droits tr\u00e8s visibles, ce qui affecte le soudage, l\u2019assemblage et l\u2019aspect ult\u00e9rieurs.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-366492c elementor-widget elementor-widget-heading\" data-id=\"366492c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) V\u00e9rifier la transition naturelle des bords<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-898567f elementor-widget elementor-widget-text-editor\" data-id=\"898567f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un bon pr\u00e9-cintrage ne consiste pas en un \u00ab cintrage brutal \u00bb, mais plut\u00f4t en une transition de bord uniforme avec une courbe naturelle, sans changements brusques ni plis.<\/p><p>Si des plis, des bosses ou des ondulations localis\u00e9es apparaissent sur le bord apr\u00e8s le pr\u00e9-cintrage, cela indique un processus de laminage instable ou un contr\u00f4le de pression inad\u00e9quat.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c2d59e elementor-widget elementor-widget-heading\" data-id=\"5c2d59e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Observer l&#039;adaptabilit\u00e9 \u00e0 diff\u00e9rentes \u00e9paisseurs de plaque<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b45af8f elementor-widget elementor-widget-text-editor\" data-id=\"b45af8f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un \u00e9quipement de haute qualit\u00e9 ne se contente pas de bien fonctionner sur une seule \u00e9paisseur de plaque, mais maintient \u00e9galement une bonne qualit\u00e9 de pr\u00e9-cintrage dans une certaine plage.<\/p><p><strong><b>Des tests peuvent \u00eatre effectu\u00e9s sur :<\/b><\/strong><\/p><ul><li>Les assiettes fines se froissent-elles facilement ?<\/li><li>Peut-on presser des plaques d&#039;\u00e9paisseur moyenne pour les mettre en place ?<\/li><li>La capacit\u00e9 de formage des bords des plaques \u00e9paisses est-elle encore suffisante ?<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4dc684f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4dc684f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d656136\" data-id=\"d656136\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-14e7821 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"14e7821\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ed0afdc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ed0afdc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cad2687\" data-id=\"cad2687\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd06011 elementor-widget elementor-widget-heading\" data-id=\"fd06011\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. Observer les r\u00e9sultats du roulement<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5589fb4 elementor-widget elementor-widget-text-editor\" data-id=\"5589fb4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La qualit\u00e9 du produit fini est le meilleur indicateur de sa qualit\u00e9 intrins\u00e8que. Pour une rouleuse de t\u00f4les vraiment performante, le produit final doit imp\u00e9rativement \u00eatre contr\u00f4l\u00e9.<\/p><p><strong><b>Il est recommand\u00e9 de proc\u00e9der \u00e0 une inspection sous les aspects suivants\u00a0:<\/b><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58f06f2 elementor-widget elementor-widget-heading\" data-id=\"58f06f2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Arrondi<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e286124 elementor-widget elementor-widget-text-editor\" data-id=\"e286124\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La rondeur est l&#039;un des indicateurs de performance les plus importants pour les rouleuses de t\u00f4les.<\/p><p><strong><b>Les m\u00e9thodes de jugement comprennent\u00a0:<\/b><\/strong><\/p><ul><li>La section transversale du cylindre est-elle proche d&#039;un cercle standard ?<\/li><li>Qu&#039;il y ait une ellipse \u00e9vidente<\/li><li>La coh\u00e9rence du rayon de chaque point sur une m\u00eame section transversale<\/li><li>Qu\u2019il y ait une conicit\u00e9 ou une ondulation dans le sens de la longueur.<\/li><\/ul><p>Un manque de rondeur n&#039;est souvent pas d\u00fb \u00e0 l&#039;habilet\u00e9 de l&#039;op\u00e9rateur, mais plut\u00f4t \u00e0 une synchronisation, une rigidit\u00e9 ou une pr\u00e9cision de contr\u00f4le insuffisantes de l&#039;\u00e9quipement.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e889b96 elementor-widget elementor-widget-heading\" data-id=\"e889b96\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Rectitude<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dac49a0 elementor-widget elementor-widget-text-editor\" data-id=\"dac49a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Pour les t\u00f4les cylindriques longues, la rectitude de la g\u00e9n\u00e9ratrice est cruciale.<\/p><p>Si la t\u00f4le enroul\u00e9e est \u00ab bomb\u00e9e au milieu et plate aux deux extr\u00e9mit\u00e9s \u00bb ou \u00ab tordue au milieu et d\u00e9centr\u00e9e des deux c\u00f4t\u00e9s \u00bb, cela indique un probl\u00e8me au niveau de l&#039;\u00e9quipement en termes de contr\u00f4le du mat\u00e9riau sur de longues longueurs, de rigidit\u00e9 du support ou de r\u00e9partition de la pression.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35eae1e elementor-widget elementor-widget-heading\" data-id=\"35eae1e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Pr\u00e9cision de l&#039;alignement des extr\u00e9mit\u00e9s<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9617da7 elementor-widget elementor-widget-text-editor\" data-id=\"9617da7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un bon laminoir \u00e0 quatre cylindres permet de laminer la t\u00f4le avec un alignement des extr\u00e9mit\u00e9s plus facile et moins de d\u00e9salignement.<\/p><p><strong><b>Des \u00e9carts d&#039;alignement importants indiquent\u00a0:<\/b><\/strong><\/p><ul><li>Parall\u00e9lisme des rouleaux m\u00e9diocres<\/li><li>Synchronisation impr\u00e9cise du rouleau inf\u00e9rieur<\/li><li>D\u00e9formation importante du cadre sous contrainte<\/li><li>Glissement dans la transmission du mat\u00e9riau en feuille<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ab6fd5 elementor-widget elementor-widget-heading\" data-id=\"9ab6fd5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Qualit\u00e9 de surface<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59004dc elementor-widget elementor-widget-text-editor\" data-id=\"59004dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un bon laminoir \u00e0 t\u00f4les ne doit pr\u00e9senter ni indentations, ni rayures, ni points de pression, ni rugosit\u00e9s apparentes \u00e0 la surface de la t\u00f4le.<\/p><p><strong><b>Si la surface de la pi\u00e8ce pr\u00e9sente fr\u00e9quemment des rayures, portez une attention particuli\u00e8re \u00e0 la v\u00e9rification\u00a0:<\/b><\/strong><\/p><ul><li>rugosit\u00e9 de la surface du rouleau<\/li><li>Duret\u00e9 de surface<\/li><li>Si le roulement vibre<\/li><li>Qu\u2019il s\u2019agisse de limaille de fer ou de scories de soudage, la contamination peut \u00eatre due \u00e0 des particules de fer ou \u00e0 des scories de soudage.<\/li><li>S&#039;il y a des bavures sur les pi\u00e8ces de guidage<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e076d89 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e076d89\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a1987b4\" data-id=\"a1987b4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-973b900 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"973b900\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8507175 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8507175\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a0db5b5\" data-id=\"a0db5b5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b28c0d elementor-widget elementor-widget-heading\" data-id=\"2b28c0d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">6. Examiner le syst\u00e8me de contr\u00f4le<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c717787 elementor-widget elementor-widget-text-editor\" data-id=\"c717787\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il ne suffit pas qu&#039;il \u00ab bouge \u00bb, il doit \u00ab contr\u00f4ler avec pr\u00e9cision et m\u00e9moriser ses entr\u00e9es \u00bb.<\/p><p>Les cintreuses \u00e0 quatre rouleaux modernes sont g\u00e9n\u00e9ralement \u00e9quip\u00e9es de syst\u00e8mes de commande num\u00e9rique (CNC) ou semi-automatiques. Un syst\u00e8me de commande de mauvaise qualit\u00e9 rendra inutilisable m\u00eame la plus grande machine.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd1eb69 elementor-widget elementor-widget-heading\" data-id=\"fd1eb69\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) La saisie des param\u00e8tres est-elle intuitive\u00a0?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37745cf elementor-widget elementor-widget-text-editor\" data-id=\"37745cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Une bonne interface de contr\u00f4le doit \u00eatre claire et les param\u00e8tres fr\u00e9quemment utilis\u00e9s doivent \u00eatre faciles \u00e0 saisir, tels que\u00a0:<\/p><ul><li>\u00c9paisseur de la plaque<\/li><li>Largeur de la plaque<\/li><li>R\u00e9sistance du mat\u00e9riau<\/li><li>Diam\u00e8tre cible<\/li><li>Positions du rouleau sup\u00e9rieur, du rouleau inf\u00e9rieur et du rouleau lat\u00e9ral<\/li><\/ul><p>Si l&#039;interface est complexe et la logique des param\u00e8tres confuse, l&#039;op\u00e9rateur devra s&#039;appuyer sur son exp\u00e9rience pour \u00ab deviner \u00bb, ce qui entra\u00eenera une faible r\u00e9p\u00e9tabilit\u00e9 de l&#039;\u00e9quipement.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eae7ab4 elementor-widget elementor-widget-heading\" data-id=\"eae7ab4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Le retour d&#039;information sur la position est-il pr\u00e9cis\u00a0?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c042cab elementor-widget elementor-widget-text-editor\" data-id=\"c042cab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>V\u00e9rifiez la pr\u00e9sence de dispositifs de retour d&#039;information sur le d\u00e9placement fiables, tels que\u00a0:<\/b><\/strong><\/p><ul><li>r\u00e8gle lin\u00e9aire<\/li><li>Encodeur<\/li><li>Capteur de d\u00e9placement<\/li><\/ul><p>Sans retour d&#039;information pr\u00e9cis, la machine ne peut qu&#039;\u00ab atteindre approximativement la position correcte \u00bb, ce qui rend difficile de garantir la r\u00e9gularit\u00e9 de chaque rouleau.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0732e7a elementor-widget elementor-widget-heading\" data-id=\"0732e7a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Stabilit\u00e9 du programme<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d7e0cf elementor-widget elementor-widget-text-editor\" data-id=\"3d7e0cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Une machine de haute qualit\u00e9 doit avoir un fonctionnement stable, sans plantages fr\u00e9quents, fausses alarmes ni pertes de param\u00e8tres.<\/p><p>En particulier lors d&#039;une production continue de longue dur\u00e9e, le syst\u00e8me de contr\u00f4le ne doit pas dysfonctionner en raison de fluctuations de temp\u00e9rature, de vibrations ou de tension.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6568d7 elementor-widget elementor-widget-heading\" data-id=\"a6568d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Le diagnostic de panne est-il complet ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6884e92 elementor-widget elementor-widget-text-editor\" data-id=\"6884e92\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Un \u00e9quipement de haute qualit\u00e9 d\u00e9composera les informations d&#039;alarme en \u00e9l\u00e9ments plus petits, tels que\u00a0:<\/b><\/strong><\/p><ul><li>Pression anormale<\/li><li>Synchronisation anormale<\/li><li>Position hors tol\u00e9rance<\/li><li>Temp\u00e9rature d&#039;huile trop \u00e9lev\u00e9e<\/li><li>Niveau de liquide trop bas<\/li><\/ul><p>Cela permet une localisation rapide des probl\u00e8mes sur site.<\/p><p>Si l&#039;\u00e9quipement affiche uniquement \u00ab\u00a0D\u00e9faut\u00a0\u00bb lorsqu&#039;un probl\u00e8me survient, sans en pr\u00e9ciser la cause, cela indique une maturit\u00e9 insuffisante du syst\u00e8me.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-95f37ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"95f37ba\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2a09cde\" data-id=\"2a09cde\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8fbf9e1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8fbf9e1\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f776c61 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f776c61\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b9c9b02\" data-id=\"b9c9b02\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ee14a3d elementor-widget elementor-widget-heading\" data-id=\"ee14a3d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">7. Examiner le syst\u00e8me hydraulique<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6232897 elementor-widget elementor-widget-text-editor\" data-id=\"6232897\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La \u00ab source d\u2019\u00e9nergie \u00bb de la cintreuse \u00e0 quatre rouleaux est-elle stable ?<\/p><p>Les cintreuses \u00e0 quatre rouleaux fonctionnent principalement gr\u00e2ce \u00e0 des syst\u00e8mes hydrauliques. La qualit\u00e9 de ces syst\u00e8mes influe directement sur la puissance, la r\u00e9gularit\u00e9 de fonctionnement et la dur\u00e9e de vie de la machine.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d25006e elementor-widget elementor-widget-heading\" data-id=\"d25006e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) La conception de la pompe \u00e0 huile, de l&#039;ensemble de soupapes et du circuit d&#039;huile est-elle raisonnable\u00a0?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebcaf74 elementor-widget elementor-widget-text-editor\" data-id=\"ebcaf74\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Lors de l&#039;inspection du syst\u00e8me hydraulique, portez une attention particuli\u00e8re aux points suivants\u00a0:<\/b><\/strong><\/p><ul><li>La pompe \u00e0 huile est-elle peu bruyante et la pression est-elle stable\u00a0?<\/li><li>Que le bloc de vannes provienne d&#039;une marque \u00e9tablie ou d&#039;une solution \u00e9prouv\u00e9e<\/li><li>V\u00e9rifier que le circuit d&#039;huile est propre et que la tuyauterie est correctement agenc\u00e9e<\/li><li>Existe-t-il un risque de fuite au niveau des joints ?<\/li><\/ul><p><strong><b>Si la conception du syst\u00e8me hydraulique est d\u00e9fectueuse, les probl\u00e8mes courants sont les suivants\u00a0:<\/b><\/strong><\/p><ul><li>Impact important pendant l&#039;op\u00e9ration<\/li><li>Pression fluctuante<\/li><li>Maintien de pression instable<\/li><li>Chauffage rapide de l&#039;huile hydraulique<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63b6844 elementor-widget elementor-widget-heading\" data-id=\"63b6844\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Capacit\u00e9 de r\u00e9sistance \u00e0 la pression<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82714f8 elementor-widget elementor-widget-text-editor\" data-id=\"82714f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Lors du processus de laminage, les \u00e9tapes de serrage et de formage reposent toutes deux sur le maintien de la pression.<\/p><p><strong><b>Une mauvaise tenue de la pression peut entra\u00eener\u00a0:<\/b><\/strong><\/p><ul><li>Impossible de fixer la plaque<\/li><li>Glissement lors du roulement<\/li><li>Fluctuations du rayon de formation<\/li><li>Retour \u00e9lastique important de la pi\u00e8ce<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d8aa50 elementor-widget elementor-widget-heading\" data-id=\"4d8aa50\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Contr\u00f4le de l&#039;\u00e9l\u00e9vation de temp\u00e9rature<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9e14dc elementor-widget elementor-widget-text-editor\" data-id=\"b9e14dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un \u00e9quipement en bon \u00e9tat ne surchauffe pas imm\u00e9diatement apr\u00e8s sa mise en marche. Si la temp\u00e9rature de l&#039;huile augmente rapidement, cela indique un faible rendement du syst\u00e8me hydraulique.<\/p><p><strong><b>Une op\u00e9ration prolong\u00e9e entra\u00eenera\u00a0:<\/b><\/strong><\/p><ul><li>Vieillissement acc\u00e9l\u00e9r\u00e9 des joints<\/li><li>D\u00e9t\u00e9rioration des performances p\u00e9troli\u00e8res<\/li><li>Augmentation des dysfonctionnements du syst\u00e8me<\/li><li>Dur\u00e9e de vie r\u00e9duite<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d6d6d0 elementor-widget elementor-widget-heading\" data-id=\"9d6d6d0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) \u00c9tanch\u00e9it\u00e9 et pr\u00e9vention des fuites<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3581076 elementor-widget elementor-widget-text-editor\" data-id=\"3581076\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Les cylindres, les canalisations, les blocs de vannes et les joints doivent\u00a0:<\/b><\/strong><\/p><ul><li>Aucune fuite d&#039;huile<\/li><li>Aucune suintement d&#039;huile<\/li><li>Pas d&#039;aspiration d&#039;air<\/li><li>Aucune pollution environnementale<\/li><\/ul><p>Une fuite d&#039;huile hydraulique n&#039;est pas un probl\u00e8me mineur. Elle indique souvent des probl\u00e8mes potentiels li\u00e9s \u00e0 la pr\u00e9cision d&#039;usinage, \u00e0 la qualit\u00e9 d&#039;assemblage, au choix des joints et \u00e0 la fiabilit\u00e9 \u00e0 long terme.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0b719f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0b719f6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-806cdab\" data-id=\"806cdab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b4149f0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b4149f0\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1ef55e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1ef55e4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f8a8aa4\" data-id=\"f8a8aa4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd4cd50 elementor-widget elementor-widget-heading\" data-id=\"cd4cd50\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">8. Inspection \u00e9lectrique et de s\u00e9curit\u00e9<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e08d40 elementor-widget elementor-widget-text-editor\" data-id=\"6e08d40\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Un bon \u00e9quipement doit \u00eatre \u00ab stable + s\u00fbr + facile \u00e0 entretenir \u00bb.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d82f7b0 elementor-widget elementor-widget-image\" data-id=\"d82f7b0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"341\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SC-4-Roll-Plate-Bending-Machine-70X3000mm.jpg\" class=\"attachment-large size-large wp-image-6004\" alt=\"\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SC-4-Roll-Plate-Bending-Machine-70X3000mm.jpg 939w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SC-4-Roll-Plate-Bending-Machine-70X3000mm-300x128.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SC-4-Roll-Plate-Bending-Machine-70X3000mm-768x327.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/06\/SC-4-Roll-Plate-Bending-Machine-70X3000mm-18x8.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-228d945 elementor-widget elementor-widget-heading\" data-id=\"228d945\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) La disposition de l&#039;armoire de commande \u00e9lectrique est-elle normalis\u00e9e\u00a0?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81d85a9 elementor-widget elementor-widget-text-editor\" data-id=\"81d85a9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Une bonne armoire \u00e9lectrique doit :<\/b><\/strong><\/p><ul><li>C\u00e2blage transparent<\/li><li>\u00c9tiquetage complet des terminaux<\/li><li>C\u00e2blage soign\u00e9<\/li><li>Circuits de courant forts et faibles s\u00e9par\u00e9s<\/li><li>Mise \u00e0 la terre fiable<\/li><\/ul><p>Si l&#039;armoire \u00e9lectrique est d\u00e9sordonn\u00e9e, le faisceau de c\u00e2bles encombr\u00e9 et l&#039;\u00e9tiquetage insuffisant, la maintenance ult\u00e9rieure sera tr\u00e8s difficile.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a779fd elementor-widget elementor-widget-heading\" data-id=\"7a779fd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Les dispositifs de s\u00e9curit\u00e9 sont-ils complets ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d254138 elementor-widget elementor-widget-text-editor\" data-id=\"d254138\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Faites attention \u00e0 :<\/b><\/strong><\/p><ul><li>Le dispositif d&#039;arr\u00eat d&#039;urgence est-il efficace\u00a0?<\/li><li>La protection contre les surcharges est-elle sensible\u00a0?<\/li><li>La protection de limite est-elle fiable\u00a0?<\/li><li>Le syst\u00e8me de contr\u00f4le d&#039;acc\u00e8s est-il complet\u00a0?<\/li><li>La protection contre les dysfonctionnements est-elle raisonnable\u00a0?<\/li><\/ul><p>Les machines \u00e0 quatre rouleaux sont des \u00e9quipements lourds ; si les mesures de s\u00e9curit\u00e9 sont insuffisantes, le risque est tr\u00e8s \u00e9lev\u00e9.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d893f27 elementor-widget elementor-widget-heading\" data-id=\"d893f27\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Qualit\u00e9 des composants \u00e9lectriques<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5799c7a elementor-widget elementor-widget-text-editor\" data-id=\"5799c7a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La qualit\u00e9 des composants tels que les contacteurs, les relais, les disjoncteurs, les automates programmables et les servomoteurs d\u00e9termine la stabilit\u00e9 \u00e0 long terme de l&#039;\u00e9quipement.<\/p><p><strong><b>Les syst\u00e8mes \u00e9lectriques de mauvaise qualit\u00e9 pr\u00e9sentent souvent les caract\u00e9ristiques suivantes\u00a0:<\/b><\/strong><\/p><ul><li>\u00c9rosion par contact<\/li><li>D\u00e9faillance du contr\u00f4le<\/li><li>Tr\u00e9buchements fr\u00e9quents<\/li><li>Dysfonctionnement du programme<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab6931d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ab6931d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-17e1f79\" data-id=\"17e1f79\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a389a9c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a389a9c\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-54c5e82 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"54c5e82\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1385eec\" data-id=\"1385eec\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a8d6023 elementor-widget elementor-widget-heading\" data-id=\"a8d6023\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">9. Inspection du processus de fabrication<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e655ed2 elementor-widget elementor-widget-text-editor\" data-id=\"e655ed2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Des dessins identiques, des proc\u00e9d\u00e9s diff\u00e9rents, aboutissent \u00e0 des r\u00e9sultats totalement diff\u00e9rents. De nombreuses rouleuses de t\u00f4les se ressemblent, mais leur pr\u00e9cision r\u00e9elle varie consid\u00e9rablement, principalement en raison des diff\u00e9rences de technologies de fabrication.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29f4c89 elementor-widget elementor-widget-heading\" data-id=\"29f4c89\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Les composants cl\u00e9s sont-ils usin\u00e9s avec pr\u00e9cision ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cf9ee1 elementor-widget elementor-widget-text-editor\" data-id=\"5cf9ee1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Se concentrer sur:<\/b><\/strong><\/p><ul><li>pr\u00e9cision de rectification \u00e0 rouleaux<\/li><li>pr\u00e9cision d&#039;al\u00e9sage des trous d&#039;arbre<\/li><li>pr\u00e9cision d&#039;usinage des rails de guidage<\/li><li>perpendicularit\u00e9 et parall\u00e9lisme des faces d&#039;extr\u00e9mit\u00e9<\/li><\/ul><p>Si les pi\u00e8ces essentielles sont mal usin\u00e9es, il sera difficile d&#039;atteindre une pr\u00e9cision optimale pour l&#039;\u00e9quipement assembl\u00e9.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b74bea0 elementor-widget elementor-widget-heading\" data-id=\"b74bea0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Le processus d&#039;assemblage est-il rigoureux ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-714969f elementor-widget elementor-widget-text-editor\" data-id=\"714969f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Les \u00e9quipements de haute qualit\u00e9 accordent une attention particuli\u00e8re \u00e0\u00a0:<\/b><\/strong><\/p><ul><li>Alignement du cadre<\/li><li>R\u00e9glage du parall\u00e9lisme des rouleaux<\/li><li>D\u00e9bogage de la synchronisation gauche et droite<\/li><li>Tests \u00e0 vide\/en charge<\/li><li>Essai \u00e0 long terme<\/li><\/ul><p>Des machines dont les processus d&#039;assemblage sont d\u00e9faillants, m\u00eame avec de bonnes pi\u00e8ces, peuvent tout de m\u00eame rencontrer des probl\u00e8mes d&#039;assemblage.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bbfa6a elementor-widget elementor-widget-heading\" data-id=\"3bbfa6a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Des tests de mat\u00e9riaux sont-ils r\u00e9ellement effectu\u00e9s avant l&#039;exp\u00e9dition\u00a0?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08d96ac elementor-widget elementor-widget-text-editor\" data-id=\"08d96ac\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Id\u00e9alement, il ne s&#039;agit pas seulement d&#039;un test \u00e0 vide, mais d&#039;un essai avec du vrai mat\u00e9riau.<\/p><p><strong><b>Veuillez noter ce qui suit\u00a0:<\/b><\/strong><\/p><ul><li>Est-il possible de former des plaques \u00e9paisses en continu\u00a0?<\/li><li>Les plaques \u00e9troites sont-elles sujettes \u00e0 la d\u00e9viation ?<\/li><li>Est-il possible de produire des diam\u00e8tres diff\u00e9rents de mani\u00e8re stable\u00a0?<\/li><li>Le roulement continu pr\u00e9sente-t-il une d\u00e9rive\u00a0?<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4b36d0c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4b36d0c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9f679a4\" data-id=\"9f679a4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2de17b0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2de17b0\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0801b30 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0801b30\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-90deb31\" data-id=\"90deb31\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fa4cc0 elementor-widget elementor-widget-heading\" data-id=\"7fa4cc0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">10. Examinez des \u00e9tudes de cas, pas seulement des marques.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26a838f elementor-widget elementor-widget-text-editor\" data-id=\"26a838f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Des \u00e9tudes de cas concrets r\u00e9v\u00e8lent la capacit\u00e9 de production r\u00e9elle de l&#039;\u00e9quipement. La meilleure fa\u00e7on d&#039;\u00e9valuer la qualit\u00e9 d&#039;une rouleuse de t\u00f4les n&#039;est pas de se fier aux arguments publicitaires, mais d&#039;\u00e9tudier des cas r\u00e9els.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d85ad5 elementor-widget elementor-widget-heading\" data-id=\"6d85ad5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Rechercher des cas d&#039;utilisation similaires dans le secteur<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a0a84f elementor-widget elementor-widget-text-editor\" data-id=\"3a0a84f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Par exemple:<\/b><\/strong><\/p><ul><li>industrie des r\u00e9cipients sous pression<\/li><li>industrie des tours d&#039;\u00e9oliennes<\/li><li>industrie des structures m\u00e9talliques<\/li><li>industrie de fabrication de pipelines<\/li><li>industrie des chaudi\u00e8res et des r\u00e9servoirs de stockage<\/li><\/ul><p>Un fonctionnement \u00e0 long terme dans ces secteurs d&#039;activit\u00e9 t\u00e9moigne d&#039;une plus grande fiabilit\u00e9 quant \u00e0 la stabilit\u00e9 des \u00e9quipements.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69d2c99 elementor-widget elementor-widget-heading\" data-id=\"69d2c99\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) V\u00e9rifier les retours d&#039;utilisateurs r\u00e9els concernant les m\u00eames sp\u00e9cifications et l&#039;\u00e9paisseur de la plaque.<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6977b05 elementor-widget elementor-widget-text-editor\" data-id=\"6977b05\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>N&#039;oubliez pas de poser la question suivante\u00a0:<\/b><\/strong><\/p><ul><li>Peut-on laminer une plaque de m\u00eame \u00e9paisseur ?<\/li><li>Peut-on enrouler de mani\u00e8re stable une m\u00eame longueur ?<\/li><li>Combien de postes de production continue ?<\/li><li>Quel est le taux d&#039;\u00e9chec ?<\/li><li>\u00c0 quelle fr\u00e9quence les pi\u00e8ces d&#039;usure sont-elles remplac\u00e9es\u00a0?<\/li><\/ul><p>C&#039;est bien plus pr\u00e9cieux que les promesses verbales des vendeurs.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-320213c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"320213c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b28ba9b\" data-id=\"b28ba9b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3d06416 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3d06416\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e52c3de elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e52c3de\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-408cad5\" data-id=\"408cad5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45cab8b elementor-widget elementor-widget-heading\" data-id=\"45cab8b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">11. Acceptation et tests<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7e0a9e elementor-widget elementor-widget-text-editor\" data-id=\"e7e0a9e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Lors de la r\u00e9ception sur site, les tests suivants sont recommand\u00e9s.<\/p><p><strong>Pour \u00e9valuer concr\u00e8tement la qualit\u00e9 de la cintreuse \u00e0 4 rouleaux, il est recommand\u00e9 d&#039;effectuer les tests suivants sur site\u00a0:<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0a7151 elementor-widget elementor-widget-heading\" data-id=\"c0a7151\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Test \u00e0 vide<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8edb65 elementor-widget elementor-widget-text-editor\" data-id=\"f8edb65\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Observer:<\/b><\/strong><\/p><ul><li>Que chaque mouvement soit fluide<\/li><li>S&#039;il y a des bruits anormaux<\/li><li>La stabilit\u00e9 de l&#039;op\u00e9ration<\/li><li>La synchronisation des c\u00f4t\u00e9s gauche et droit<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-875607f elementor-widget elementor-widget-heading\" data-id=\"875607f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Essai \u00e0 faible charge<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61ade9a elementor-widget elementor-widget-text-editor\" data-id=\"61ade9a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Testez avec des plaques minces ou des mat\u00e9riaux conventionnels\u00a0:<\/b><\/strong><\/p><ul><li>S&#039;il peut serrer correctement<\/li><li>Qu&#039;il y ait glissement<\/li><li>La pr\u00e9cision du contr\u00f4le<\/li><li>La stabilit\u00e9 de la formation<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9040528 elementor-widget elementor-widget-heading\" data-id=\"9040528\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Essai \u00e0 charge \u00e9lev\u00e9e<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af6b483 elementor-widget elementor-widget-text-editor\" data-id=\"af6b483\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Effectuer des essais avec des mat\u00e9riaux proches de la capacit\u00e9 nominale de la machine\u00a0:<\/b><\/strong><\/p><ul><li>Si le cadre vibre<\/li><li>Si le syst\u00e8me hydraulique est soumis \u00e0 des contraintes<\/li><li>Que la synchronisation d\u00e9rive<\/li><li>Si la pr\u00e9cision du formage diminue<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c2c0a9 elementor-widget elementor-widget-heading\" data-id=\"1c2c0a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Test de r\u00e9p\u00e9tabilit\u00e9<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-119e227 elementor-widget elementor-widget-text-editor\" data-id=\"119e227\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Laminer plusieurs pi\u00e8ces en continu avec les m\u00eames param\u00e8tres et comparer les r\u00e9sultats de chaque pi\u00e8ce.<\/p><p>Si une diff\u00e9rence significative est constat\u00e9e entre les rouleaux pr\u00e9c\u00e9dents et suivants, cela indique une stabilit\u00e9 insuffisante de l&#039;\u00e9quipement.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-531e5a7 elementor-widget elementor-widget-heading\" data-id=\"531e5a7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) Essai de fonctionnement \u00e0 long terme<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89b5883 elementor-widget elementor-widget-text-editor\" data-id=\"89b5883\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Apr\u00e8s un fonctionnement continu pendant une p\u00e9riode donn\u00e9e, v\u00e9rifiez\u00a0:<\/b><\/strong><\/p><ul><li>temp\u00e9rature de l&#039;huile<\/li><li>Pression<\/li><li>\u00e9l\u00e9vation de temp\u00e9rature du roulement<\/li><li>bruit de fonctionnement<\/li><li>D\u00e9rive de pr\u00e9cision<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dd02305 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd02305\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-383998b\" data-id=\"383998b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b5fdb70 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b5fdb70\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e23e10a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e23e10a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-206c4ab\" data-id=\"206c4ab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4710c3c elementor-widget elementor-widget-heading\" data-id=\"4710c3c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">12. Quels sont les signes courants d&#039;une machine \u00e0 cintrer les plaques \u00e0 4 rouleaux de \u00ab mauvaise qualit\u00e9 \u00bb ?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a793b8 elementor-widget elementor-widget-text-editor\" data-id=\"0a793b8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Cette partie est tr\u00e8s importante. De nombreux probl\u00e8mes ne sont pas visibles au premier abord, mais se r\u00e9v\u00e9leront \u00e0 l&#039;usage.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a5d04e elementor-widget elementor-widget-heading\" data-id=\"3a5d04e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Grandes ar\u00eates droites apr\u00e8s roulage<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a31ba54 elementor-widget elementor-widget-text-editor\" data-id=\"a31ba54\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique une faible capacit\u00e9 de pr\u00e9-cintrage et un mauvais contr\u00f4le des bords.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20e4af8 elementor-widget elementor-widget-heading\" data-id=\"20e4af8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Mauvaise rondeur et excentricit\u00e9 \u00e9vidente<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a4f2fd elementor-widget elementor-widget-text-editor\" data-id=\"2a4f2fd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique une synchronisation, une rigidit\u00e9 et une pr\u00e9cision insuffisantes.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-251b410 elementor-widget elementor-widget-heading\" data-id=\"251b410\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Glissement lors du roulement<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-890a5f7 elementor-widget elementor-widget-text-editor\" data-id=\"890a5f7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique une force de serrage insuffisante ou un mauvais \u00e9tat de la surface du rouleau.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ef0a55 elementor-widget elementor-widget-heading\" data-id=\"1ef0a55\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Incoh\u00e9rence entre les c\u00f4t\u00e9s gauche et droit<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1a7fa2 elementor-widget elementor-widget-text-editor\" data-id=\"c1a7fa2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique des probl\u00e8mes de synchronisation et de syst\u00e8mes de contr\u00f4le m\u00e9caniques.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-903ff31 elementor-widget elementor-widget-heading\" data-id=\"903ff31\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) Bruit de fonctionnement important et vibrations perceptibles<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02fbd9e elementor-widget elementor-widget-text-editor\" data-id=\"02fbd9e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique des probl\u00e8mes au niveau des roulements, de l&#039;installation et de la pr\u00e9cision d&#039;ajustement.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-093344e elementor-widget elementor-widget-heading\" data-id=\"093344e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) Chauffage rapide du syst\u00e8me hydraulique<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da865b1 elementor-widget elementor-widget-text-editor\" data-id=\"da865b1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique une faible efficacit\u00e9, une \u00e9tanch\u00e9it\u00e9 inad\u00e9quate ou une conception d\u00e9fectueuse.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c10887e elementor-widget elementor-widget-heading\" data-id=\"c10887e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">7) Diminution significative de la pr\u00e9cision apr\u00e8s une p\u00e9riode d&#039;utilisation<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa0cf3a elementor-widget elementor-widget-text-editor\" data-id=\"aa0cf3a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Indique une rigidit\u00e9 du cadre insuffisante, une usure rapide des composants cl\u00e9s et une pr\u00e9cision d&#039;assemblage instable.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c8ff7f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c8ff7f1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fb1606c\" data-id=\"fb1606c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65d7c5c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"65d7c5c\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ffe17d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ffe17d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8b80ab0\" data-id=\"8b80ab0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a2c1f8a elementor-widget elementor-widget-heading\" data-id=\"a2c1f8a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">13. Points cl\u00e9s souvent n\u00e9glig\u00e9s lors des achats<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29e725 elementor-widget elementor-widget-heading\" data-id=\"c29e725\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Ne vous contentez pas de regarder l&#039;\u00e9paisseur maximale admissible.<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ac7852 elementor-widget elementor-widget-text-editor\" data-id=\"5ac7852\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L&#039;\u00e9paisseur de laminage indiqu\u00e9e pour l&#039;\u00e9quipement ne repr\u00e9sente pas son \u00e9paisseur de laminage stable \u00e0 long terme.<\/p><p>Il convient d\u2019examiner si cette capacit\u00e9 peut \u00eatre atteinte de mani\u00e8re constante lors d\u2019une production continue, et non pas seulement \u00ab occasionnellement \u00bb.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-017d161 elementor-widget elementor-widget-heading\" data-id=\"017d161\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Ne vous contentez pas de demander le prix<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a407b47 elementor-widget elementor-widget-text-editor\" data-id=\"a407b47\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Un prix bas peut signifier\u00a0:<\/strong><\/p><ul><li>Mat\u00e9riau du rouleau de mauvaise qualit\u00e9<\/li><li>Syst\u00e8me hydraulique simplifi\u00e9<\/li><li>Syst\u00e8me de contr\u00f4le obsol\u00e8te<\/li><li>Technologie de traitement grossier<\/li><li>Service apr\u00e8s-vente m\u00e9diocre<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d3e033 elementor-widget elementor-widget-heading\" data-id=\"4d3e033\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Ne vous contentez pas de regarder le tonnage ou la puissance<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c8123e elementor-widget elementor-widget-text-editor\" data-id=\"1c8123e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il s&#039;agit uniquement des conditions initiales, et non de la qualit\u00e9 du produit fini lui-m\u00eame.\u00a0<\/p><p>Ce qui compte vraiment, c&#039;est le r\u00e9sultat obtenu : sa fluidit\u00e9, sa stabilit\u00e9 et sa durabilit\u00e9.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30b81ce elementor-widget elementor-widget-heading\" data-id=\"30b81ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Ne n\u00e9gligez pas le service apr\u00e8s-vente et les pi\u00e8ces d\u00e9tach\u00e9es<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa15e7d elementor-widget elementor-widget-text-editor\" data-id=\"aa15e7d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Une rouleuse de t\u00f4les n&#039;est pas un \u00e9quipement jetable.<\/p><p>La capacit\u00e9 \u00e0 r\u00e9parer \u00e0 long terme les joints d&#039;huile, les roulements, les ensembles de vannes, les capteurs et les rouleaux aura une incidence sur l&#039;\u00e9valuation de la qualit\u00e9 \u00e0 long terme.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e602545 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e602545\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c907251\" data-id=\"c907251\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-835e3c0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"835e3c0\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-868d90e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"868d90e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7f275a3\" data-id=\"7f275a3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5345dba elementor-widget elementor-widget-heading\" data-id=\"5345dba\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">14. Un \u00ab cadre de normes d&#039;\u00e9valuation de la qualit\u00e9 \u00bb directement utilisable<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b03992d elementor-widget elementor-widget-text-editor\" data-id=\"b03992d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Vous pouvez diviser le jugement en sept \u00e9l\u00e9ments, chacun \u00e9tant not\u00e9\u00a0:<\/b><\/strong><\/p><ul><li>Rigidit\u00e9 structurelle : Le cadre, les rouleaux et les supports de roulement sont-ils robustes ?<\/li><li>Pr\u00e9cision des mouvements : Le levage, le serrage, la synchronisation et le positionnement sont-ils pr\u00e9cis ?<\/li><li>Capacit\u00e9 de pr\u00e9-cintrage\u00a0: Le cintrage des bords est-il ad\u00e9quat\u00a0? Les bords droits sont-ils de petite taille\u00a0?<\/li><li>Qualit\u00e9 du produit fini\u00a0: rondeur, rectitude, alignement des extr\u00e9mit\u00e9s, qualit\u00e9 de surface<\/li><li>Syst\u00e8me de contr\u00f4le\u00a0: Son utilisation est-elle ais\u00e9e\u00a0? Le retour d\u2019information est-il pr\u00e9cis\u00a0? Les alarmes sont-elles claires\u00a0?<\/li><li>Syst\u00e8me hydraulique\u00a0: La pression est-elle stable\u00a0? Est-elle maintenue de mani\u00e8re fiable\u00a0? L\u2019\u00e9l\u00e9vation de temp\u00e9rature est-elle ma\u00eetrisable\u00a0? Y a-t-il des fuites\u00a0?<\/li><li>Stabilit\u00e9 \u00e0 long terme\u00a0: les performances diminuent-elles apr\u00e8s un fonctionnement continu\u00a0? Le taux de d\u00e9faillance est-il faible\u00a0?<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c338e5 elementor-widget elementor-widget-text-editor\" data-id=\"7c338e5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Si une cintreuse \u00e0 quatre rouleaux excelle dans la plupart des sept domaines mentionn\u00e9s ci-dessus, on peut g\u00e9n\u00e9ralement la consid\u00e9rer comme une machine de haute qualit\u00e9. En revanche, si deux ou trois de ces domaines pr\u00e9sentent des faiblesses notables, cela indique que la machine n&#039;est pas adapt\u00e9e \u00e0 une production intensive et durable.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-609abc5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"609abc5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-07be994\" data-id=\"07be994\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c928b50 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c928b50\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-459c835 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"459c835\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f66edef\" data-id=\"f66edef\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d1c8af elementor-widget elementor-widget-heading\" data-id=\"1d1c8af\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">15. R\u00e9sum\u00e9<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b6fc49 elementor-widget elementor-widget-text-editor\" data-id=\"1b6fc49\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Le crit\u00e8re principal pour juger de la qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux n&#039;est pas \u00ab si elle a l&#039;air d&#039;une bonne machine \u00bb, mais plut\u00f4t si elle poss\u00e8de ces quatre capacit\u00e9s : un laminage pr\u00e9cis, un pressage stable, une longue dur\u00e9e de vie et un faible entretien.<\/p><ul><li>Roulage pr\u00e9cis\u00a0: Bonne rondeur, rectitude et effet de pr\u00e9-cintrage du produit fini.<\/li><li>Pressage stable\u00a0: serrage, formage, synchronisation et maintien de la pression stables.<\/li><li>Longue dur\u00e9e de vie : La pr\u00e9cision ne se d\u00e9grade pas facilement apr\u00e8s une utilisation prolong\u00e9e.<\/li><li>Maintenance r\u00e9duite\u00a0: structure raisonnable, peu de pannes, maintenance simple et pi\u00e8ces de rechange facilement disponibles.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f681ba elementor-widget elementor-widget-text-editor\" data-id=\"1f681ba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Formule de d\u00e9cision finale du personnel des achats\u00a0:<\/b><\/strong><\/p><ul><li>Tout d&#039;abord, regardez les rouleaux.<\/li><li>Deuxi\u00e8mement, regardez le cadre<\/li><li>Troisi\u00e8mement, examinez le syst\u00e8me hydraulique.<\/li><li>Quatri\u00e8mement, examinez la pr\u00e9cision<\/li><li>Cinqui\u00e8mement, examinez le pr\u00e9-cintrage.<\/li><li>Sixi\u00e8mement, examinez le syst\u00e8me<\/li><li>Septi\u00e8mement, examinez les rouleaux de test.<\/li><li>Huiti\u00e8mement, examinez le service<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a73d987 elementor-widget elementor-widget-text-editor\" data-id=\"a73d987\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Une cintreuse \u00e0 quatre rouleaux de haute qualit\u00e9 doit non seulement \u00eatre capable de cintrer des t\u00f4les rondes, mais surtout de garantir une pr\u00e9cision stable, un faible taux de panne et une longue dur\u00e9e de vie, m\u00eame sous forte charge prolong\u00e9e. Du point de vue du co\u00fbt total de possession, bien qu&#039;une cintreuse \u00e0 quatre rouleaux haut de gamme ait un prix d&#039;achat sup\u00e9rieur de 101 TP3T \u00e0 301 TP3T, elle offre souvent un meilleur retour sur investissement en termes de pr\u00e9cision de maintenance, de co\u00fbts de maintenance, d&#039;efficacit\u00e9 de production et de dur\u00e9e de vie.<\/p><p>Pour les entreprises sp\u00e9cialis\u00e9es dans la fabrication de r\u00e9servoirs sous pression, de tours d&#039;\u00e9oliennes, la construction navale et la production de grandes structures m\u00e9talliques, l&#039;accent doit \u00eatre mis sur la qualit\u00e9 des rouleaux, la rigidit\u00e9 du b\u00e2ti, le syst\u00e8me hydraulique et la pr\u00e9cision du laminage. Ces quatre indicateurs d\u00e9terminent en grande partie la qualit\u00e9 globale d&#039;une cintreuse \u00e0 quatre rouleaux.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Table des mati\u00e8res. L&#039;\u00e9valuation de la qualit\u00e9 d&#039;une cintreuse \u00e0 quatre rouleaux ne peut se fonder uniquement sur la marque, le prix ou les sp\u00e9cifications. Une \u00e9valuation compl\u00e8te doit \u00eatre men\u00e9e selon de multiples crit\u00e8res, notamment la conception structurelle, le choix des mat\u00e9riaux, le processus de fabrication, le syst\u00e8me hydraulique, le syst\u00e8me de commande \u00e9lectrique, la pr\u00e9cision d&#039;usinage, la stabilit\u00e9, la dur\u00e9e de vie et le service apr\u00e8s-vente. Les cintreuses \u00e0 quatre rouleaux sont des \u00e9quipements essentiels dans le secteur du cintrage de t\u00f4les.<\/p>","protected":false},"author":1,"featured_media":5998,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-events"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How To Judge The 4-Roll Plate Bending Machine Quality? - SC Machinery<\/title>\n<meta name=\"description\" content=\"Judging 4-roll plate bending machine quality cannot based solely on brand, price, or specifications. 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