{"id":6339,"date":"2026-09-23T04:39:42","date_gmt":"2026-09-23T04:39:42","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=6339"},"modified":"2026-09-23T04:40:35","modified_gmt":"2026-09-23T04:40:35","slug":"how-to-optimize-sheet-rolling-process","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/cs\/how-to-optimize-sheet-rolling-process\/","title":{"rendered":"Jak optimalizovat proces v\u00e1lcov\u00e1n\u00ed plech\u016f?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6339\" class=\"elementor elementor-6339\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8096aa1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8096aa1\" 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 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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<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tObsah\t\t\t<\/h4>\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__83cc89f\" aria-expanded=\"true\" aria-label=\"Otev\u0159\u00edt obsah\"><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__83cc89f\" aria-expanded=\"true\" aria-label=\"Zav\u0159\u00edt obsah\"><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__83cc89f\" 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-40e8650 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40e8650\" 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-cffed2f\" data-id=\"cffed2f\" 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-a7ccfad elementor-widget elementor-widget-text-editor\" data-id=\"a7ccfad\" 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>Proces v\u00e1lcov\u00e1n\u00ed plech\u016f, zd\u00e1nliv\u011b jednoduch\u00fd proces tvarov\u00e1n\u00ed ploch\u00e9 desky do v\u00e1lce nebo oblouku, ve skute\u010dnosti zahrnuje n\u011bkolik f\u00e1z\u00ed, v\u010detn\u011b vlastnost\u00ed materi\u00e1lu, tlou\u0161\u0165ky a \u0161\u00ed\u0159ky plechu, struktury v\u00e1lcovac\u00edho stroje, geometrie v\u00e1lc\u016f, p\u0159edoh\u00fdb\u00e1n\u00ed, polohy pod\u00e1v\u00e1n\u00ed, m\u00edry redukce, po\u0159ad\u00ed v\u00e1lcov\u00e1n\u00ed, \u0159\u00edzen\u00ed pru\u017ein a korekc\u00ed p\u0159ed a po sva\u0159ov\u00e1n\u00ed.<\/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-14157af elementor-widget elementor-widget-text-editor\" data-id=\"14157af\" 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>Pokud c\u00edlem nen\u00ed pouze \u201esrolov\u00e1n\u00ed do kruhu\u201c, ale sp\u00ed\u0161e dosa\u017een\u00ed dobr\u00e9 kulatosti, stabiln\u00edho pr\u016fm\u011bru, kr\u00e1tk\u00fdch rovn\u00fdch \u00fasek\u016f na konc\u00edch, p\u0159esn\u00e9ho zarovn\u00e1n\u00ed \u0161v\u016f, vysok\u00e9 konzistence \u0161ar\u017e\u00ed a vysok\u00e9 efektivity v\u00fdroby, pak je t\u0159eba cel\u00fd proces upgradovat z \u201eprovozu na jednom stroji\u201c na kompletn\u00ed \u0159\u00edzen\u00ed procesu.<\/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-a703b28 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a703b28\" 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-1622d19\" data-id=\"1622d19\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap 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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-9c3eba0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9c3eba0\" 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-530f72e\" data-id=\"530f72e\" 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-8515017 elementor-widget elementor-widget-heading\" data-id=\"8515017\" 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. Jak optimalizovat proces v\u00e1lcov\u00e1n\u00ed plech\u016f?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e15e386 elementor-widget elementor-widget-heading\" data-id=\"e15e386\" 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) Nejprve si ujasn\u011bte hlavn\u00ed c\u00edl \u201ezdokonalen\u00ed procesu v\u00e1lcov\u00e1n\u00ed\u201c<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c0ebfd elementor-widget elementor-widget-text-editor\" data-id=\"0c0ebfd\" 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>Vysoce kvalitn\u00ed proces v\u00e1lcov\u00e1n\u00ed plech\u016f obvykle vy\u017eaduje sou\u010dasnou kontrolu n\u00e1sleduj\u00edc\u00edch ukazatel\u016f:<\/p><table><tbody><tr><td><p><strong><b>Kontroln\u00ed c\u00edle<\/b><\/strong><\/p><\/td><td width=\"247\"><p><strong><b>Kl\u00ed\u010dov\u00e9 vlastnosti<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>Zaoblen\u00ed<\/p><\/td><td width=\"247\"><p>Hotov\u00fd pr\u016f\u0159ez se co nejv\u00edce bl\u00ed\u017e\u00ed n\u00e1vrhov\u00e9 kru\u017enici<\/p><\/td><\/tr><tr><td><p>P\u0159esnost pr\u016fm\u011bru<\/p><\/td><td width=\"247\"><p>Skute\u010dn\u00fd pr\u016fm\u011br odpov\u00edd\u00e1 rozm\u011br\u016fm ve v\u00fdkresu<\/p><\/td><\/tr><tr><td><p>Ov\u00e1lnost<\/p><\/td><td width=\"247\"><p>Sni\u017euje rozd\u00edly mezi hlavn\u00ed a vedlej\u0161\u00ed osou<\/p><\/td><\/tr><tr><td><p>Kone\u010dn\u00e1 kvalita<\/p><\/td><td width=\"247\"><p>Redukuje rovn\u00e9 hrany, zhroucen\u00e9 hrany a zplo\u0161t\u011bl\u00e9 konce<\/p><\/td><\/tr><tr><td><p>Kvalita spoj\u016f<\/p><\/td><td width=\"247\"><p>Dosahuje p\u0159esn\u00e9ho zarovn\u00e1n\u00ed na obou konc\u00edch<\/p><\/td><\/tr><tr><td><p>Z\u00e1kladn\u00ed materi\u00e1l Povrch<\/p><\/td><td width=\"247\"><p>Sni\u017euje \u0161kr\u00e1bance, prom\u00e1\u010dkliny a stopy po v\u00e1lc\u00edch<\/p><\/td><\/tr><tr><td><p>Konzistence d\u00e1vek<\/p><\/td><td width=\"247\"><p>Zachov\u00e1v\u00e1 rozm\u011brovou stabilitu nap\u0159\u00ed\u010d v\u00edce produkty<\/p><\/td><\/tr><tr><td><p>Efektivita v\u00fdroby<\/p><\/td><td width=\"247\"><p>Sni\u017euje opakovan\u00e9 \u00fapravy a p\u0159epracov\u00e1n\u00ed<\/p><\/td><\/tr><tr><td><p>Bezpe\u010dnost<\/p><\/td><td width=\"247\"><p>Zabra\u0148uje sklouz\u00e1v\u00e1n\u00ed, k\u00fdv\u00e1n\u00ed a sev\u0159en\u00ed plechov\u00e9ho materi\u00e1lu.<\/p><\/td><\/tr><\/tbody><\/table><p><strong><b>Proto zlep\u0161en\u00ed <\/b><\/strong><strong><b>list <\/b><\/strong><strong><b>Proces v\u00e1lcov\u00e1n\u00ed by se nem\u011bl zam\u011b\u0159ovat pouze na to, zda je tlak v\u00e1lcovac\u00edho stroje dostate\u010dn\u00fd, ale m\u011bl by optimalizovat \u0161est aspekt\u016f:<\/b><\/strong><\/p><p>materi\u00e1l \u2192 za\u0159\u00edzen\u00ed \u2192 proces \u2192 provoz \u2192 kontrola \u2192 korekce.<\/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-c555383 elementor-widget elementor-widget-image\" data-id=\"c555383\" 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\/09\/CNC-sheet-rolling-machine-for-sale.png\" class=\"attachment-large size-large wp-image-6350\" alt=\"\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/CNC-sheet-rolling-machine-for-sale.png 800w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/CNC-sheet-rolling-machine-for-sale-300x225.png 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/CNC-sheet-rolling-machine-for-sale-768x576.png 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/CNC-sheet-rolling-machine-for-sale-16x12.png 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-2bbdd5c elementor-widget elementor-widget-heading\" data-id=\"2bbdd5c\" 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) P\u0159ed v\u00e1lcov\u00e1n\u00edm: \u0158\u00e1dn\u011b p\u0159ipravte materi\u00e1l<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-add91a2 elementor-widget elementor-widget-text-editor\" data-id=\"add91a2\" 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>Mnoho probl\u00e9m\u016f s kvalitou v\u00e1lcov\u00e1n\u00ed ve skute\u010dnosti vznik\u00e1 je\u0161t\u011b p\u0159edt\u00edm, ne\u017e plech vstoup\u00ed do v\u00e1lcovac\u00edho stroje.<\/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-50162d6 elementor-widget elementor-widget-heading\" data-id=\"50162d6\" 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\">- Zkontrolujte tlou\u0161\u0165ku plechu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-963e12a elementor-widget elementor-widget-text-editor\" data-id=\"963e12a\" 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>Rozd\u00edl mezi skute\u010dnou tlou\u0161\u0165kou a teoretickou tlou\u0161\u0165kou p\u0159\u00edmo ovlivn\u00ed polom\u011br ohybu.<\/p><p>Nap\u0159\u00edklad pokud konstrukce pou\u017e\u00edv\u00e1: ocelov\u00fd plech o tlou\u0161\u0165ce 10 mm<\/p><p>Skute\u010dn\u00e1 tlou\u0161\u0165ka m\u016f\u017ee m\u00edt ur\u010ditou toleranci.<\/p><p>P\u0159i v\u00fdrob\u011b vysoce p\u0159esn\u00fdch v\u00e1lc\u016f by se m\u011bla co nejv\u00edce kontrolovat skute\u010dn\u00e1 tlou\u0161\u0165ka plechu, sp\u00ed\u0161e ne\u017e nastavovat parametry striktn\u011b podle nomin\u00e1ln\u00ed tlou\u0161\u0165ky.<\/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-c1a1176 elementor-widget elementor-widget-heading\" data-id=\"c1a1176\" 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\">- Zkontrolujte stupe\u0148 materi\u00e1lu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3edfd4a elementor-widget elementor-widget-text-editor\" data-id=\"3edfd4a\" 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>R\u016fzn\u00e9 materi\u00e1ly maj\u00ed r\u016fznou mez kluzu, pevnost v tahu a prodlou\u017een\u00ed.<\/p><p><strong><b>Mezi b\u011b\u017en\u00e9 materi\u00e1ly pat\u0159\u00ed:<\/b><\/strong><\/p><ul><li>Ot\u00e1zka 235<\/li><li>Q355<\/li><li>Nerezov\u00e1 ocel 304<\/li><li>Nerezov\u00e1 ocel 316L<\/li><li>Hlin\u00edkov\u00fd plech<\/li><li>M\u011bd\u011bn\u00fd plech<\/li><li>Slitiny na b\u00e1zi niklu<\/li><li>Vysokopevnostn\u00ed ocel<\/li><\/ul><p>I u stejn\u00e9ho 10mm plechu mohou r\u016fzn\u00e9 materi\u00e1ly vy\u017eadovat v\u00fdrazn\u011b odli\u0161n\u00e9 v\u00e1lcovac\u00ed tlaky a kompenzace pru\u017ein.<\/p><p><strong><b>Nap\u0159\u00edklad:<\/b><\/strong><\/p><p>Nerezov\u00e1 ocel 304 obvykle vykazuje v\u00fdrazn\u011bj\u0161\u00ed pru\u017enost ne\u017e b\u011b\u017en\u00e1 uhl\u00edkov\u00e1 ocel.<\/p><p>Proto nelze jednodu\u0161e pou\u017e\u00edt parametry v\u00e1lcov\u00e1n\u00ed pro b\u011b\u017enou uhl\u00edkovou ocel.<\/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-d94f3f1 elementor-widget elementor-widget-video\" data-id=\"d94f3f1\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/3L1Y5O86aaI&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.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-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-597af71 elementor-widget elementor-widget-heading\" data-id=\"597af71\" 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) P\u0159ed\u00faprava plechu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53feeab elementor-widget elementor-widget-text-editor\" data-id=\"53feeab\" 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>P\u0159ed\u00faprava plechu je z\u00e1sadn\u00ed.<\/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-ceebd9b elementor-widget elementor-widget-heading\" data-id=\"ceebd9b\" 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\">- Zkontrolujte stupe\u0148 materi\u00e1lu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403d0bf elementor-widget elementor-widget-text-editor\" data-id=\"403d0bf\" 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>Pokud samotn\u00fd list obsahuje:<\/p><ul><li>centr\u00e1ln\u00ed v\u00fd\u010dn\u011blky<\/li><li>deformace hran<\/li><li>lok\u00e1ln\u00ed vlnitost<\/li><li>kroucen\u00ed<\/li><\/ul><p><strong><b>Po vstupu do v\u00e1lcovny je n\u00e1chyln\u00e1 k:<\/b><\/strong><\/p><p>nestabiln\u00ed kruhovitost + deformace hran + lokalizovan\u00e9 abnormality polom\u011bru.<\/p><p>V p\u0159\u00edpad\u011b pot\u0159eby by se m\u011blo prov\u00e9st vyrovn\u00e1n\u00ed.<\/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-9f86e0b elementor-widget elementor-widget-heading\" data-id=\"9f86e0b\" 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\">- O\u010dist\u011bte povrch plechu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fa61fd elementor-widget elementor-widget-text-editor\" data-id=\"4fa61fd\" 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>P\u0159ed v\u00e1lcov\u00e1n\u00edm odstra\u0148te:<\/p><ul><li>\u017eelezn\u00e9 piliny<\/li><li>sva\u0159ovac\u00ed struska<\/li><li>olej<\/li><li>m\u011b\u0159\u00edtko<\/li><li>ciz\u00ed t\u011bleso<\/li><\/ul><p>Zejm\u00e9na nerezov\u00e9 a hlin\u00edkov\u00e9 plechy.<\/p><p>Pokud se na povrchu v\u00e1lce nach\u00e1zej\u00ed tvrd\u00e9 ciz\u00ed l\u00e1tky, mohou snadno vytvo\u0159it trval\u00e9 prom\u00e1\u010dkliny.<\/p><p><strong><b>U produkt\u016f s vysokou kvalitou povrchu zva\u017ete:<\/b><\/strong><\/p><p>ochrann\u00e1 f\u00f3lie + \u010di\u0161t\u011bn\u00ed povrchu v\u00e1lce + speci\u00e1ln\u00ed \u00faprava povrchu v\u00e1lce.<\/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-404de60 elementor-widget elementor-widget-heading\" data-id=\"404de60\" 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) Ur\u010dete spr\u00e1vnou trasu procesu v\u00e1lcov\u00e1n\u00ed plech\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3241190 elementor-widget elementor-widget-text-editor\" data-id=\"3241190\" 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>R\u016fzn\u00e9 v\u00e1lcovac\u00ed stroje maj\u00ed r\u016fzn\u00e9 procesn\u00ed postupy.<\/p><p>Mezi b\u011b\u017en\u00e9 vybaven\u00ed pat\u0159\u00ed:<\/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-c108595 elementor-widget elementor-widget-heading\" data-id=\"c108595\" 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\">- T\u0159\u00edv\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7f5d27 elementor-widget elementor-widget-text-editor\" data-id=\"f7f5d27\" 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>Zahrnuje:<\/p><ul><li>Symetrick\u00fd t\u0159\u00edv\u00e1lec<\/li><li>Asymetrick\u00fd t\u0159\u00edv\u00e1lec<\/li><li>Horn\u00ed v\u00e1lec univerz\u00e1ln\u00ed t\u0159\u00edv\u00e1lec<\/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-7062fc9 elementor-widget elementor-widget-heading\" data-id=\"7062fc9\" 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\">- \u010cty\u0159v\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00cd600 elementor-widget elementor-widget-text-editor\" data-id=\"00cd600\" 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>Obvykle m\u00e1:<\/p><ul><li>Horn\u00ed v\u00e1lec<\/li><li>Spodn\u00ed v\u00e1lec<\/li><li>Lev\u00e9 kole\u010dko<\/li><li>Prav\u00fd v\u00e1lec<\/li><\/ul><p>Pro v\u00fdrobu vy\u017eaduj\u00edc\u00ed vysokou efektivitu, vysokou p\u0159esnost a m\u00e9n\u011b rovn\u00fdch hran na konc\u00edch, <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/4-roller-bending-machine\/\" target=\"_blank\" rel=\"noopener\">\u010dty\u0159v\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj<\/a><\/span> m\u00e1 zna\u010dn\u00e9 procesn\u00ed v\u00fdhody.<\/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-1a1d8ea elementor-widget elementor-widget-heading\" data-id=\"1a1d8ea\" 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) Nejd\u016fle\u017eit\u011bj\u0161\u00ed krok p\u0159i v\u00e1lcov\u00e1n\u00ed: P\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad70a5a elementor-widget elementor-widget-text-editor\" data-id=\"ad70a5a\" 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>Pokud se p\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed ignoruje, mnoho v\u00fdrobk\u016f, i kdy\u017e jsou nakonec srolov\u00e1ny do kruhu, m\u00e1 sklon k nadm\u011brn\u011b dlouh\u00fdm rovn\u00fdm hran\u00e1m na obou konc\u00edch.<\/p><p>Nap\u0159\u00edklad: Konce plechu si mohou ponechat dlouh\u00e9 rovn\u00e9 plochy.<\/p><p><strong><b>Tato podm\u00ednka je \u0161kodliv\u00e1 pro n\u00e1sledn\u00e9 procesy:<\/b><\/strong><\/p><ul><li>Tup\u00e9 sva\u0159ov\u00e1n\u00ed<\/li><li>Spojov\u00e1n\u00ed v\u00e1lc\u016f<\/li><li>Instalace p\u0159\u00edruby<\/li><li>Kontrola kulatosti<\/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-a8f3781 elementor-widget elementor-widget-heading\" data-id=\"a8f3781\" 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\">Pro\u010d je nutn\u00e9 p\u0159edoh\u00fdb\u00e1n\u00ed konc\u016f?<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c3cea2 elementor-widget elementor-widget-text-editor\" data-id=\"3c3cea2\" 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>B\u011bhem procesu v\u00e1lcov\u00e1n\u00ed plechu m\u016f\u017ee plech vytvo\u0159it stabiln\u00ed ohyb a\u017e po vstupu do efektivn\u00ed obalov\u00e9 plochy v\u00e1lc\u016f.<\/p><p>Po\u010d\u00e1te\u010dn\u00ed koncov\u00e1 oblast plechu vstupuj\u00edc\u00edho do za\u0159\u00edzen\u00ed proto \u010dasto trp\u00ed nedostate\u010dnou efektivn\u00ed d\u00e9lkou ohybu.<\/p><p>\u00da\u010delem p\u0159edoh\u00fdb\u00e1n\u00ed je p\u0159edtvarovat c\u00edlov\u00e9 zak\u0159iven\u00ed na konci plechu.<\/p><p>Kone\u010dn\u00fd proces je: P\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed \u2192 V\u00e1lcov\u00e1n\u00ed \u2192 Spojov\u00e1n\u00ed \u2192 Zaoblov\u00e1n\u00ed<\/p><p>M\u00edsto prost\u00e9ho p\u0159\u00edm\u00e9ho rolov\u00e1n\u00ed.<\/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-2e5c4e3 elementor-widget elementor-widget-heading\" data-id=\"2e5c4e3\" 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) P\u0159esn\u00e9 ur\u010den\u00ed c\u00edlov\u00e9ho pr\u016fm\u011bru v\u00e1lcov\u00e1n\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-101fe10 elementor-widget elementor-widget-text-editor\" data-id=\"101fe10\" 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>V\u00e1lcov\u00e1n\u00ed nen\u00ed jen v\u00e1lcov\u00e1n\u00ed plechov\u00e9ho materi\u00e1lu na \u201epr\u016fm\u011br v\u00fdkresu\u201c.<\/p><p><strong>Je t\u0159eba zv\u00e1\u017eit:<\/strong><\/p><ul><li>Tlou\u0161\u0165ka plechu<\/li><li>Materi\u00e1l<\/li><li>Poloha neutr\u00e1ln\u00ed vrstvy<\/li><li>Pru\u017een\u00ed<\/li><li>Metoda v\u00e1lcov\u00e1n\u00ed<\/li><li>Pr\u016fm\u011br v\u00e1lce<\/li><li>M\u00edsto fin\u00e1ln\u00ed kontroly produktu<\/li><\/ul><p><strong><b>Nap\u0159\u00edklad: Vn\u011bj\u0161\u00ed pr\u016fm\u011br \u00d81000 mm<\/b><\/strong><\/p><p>Pokud se jako c\u00edlov\u00e1 hodnota pro \u0159\u00edzen\u00ed rozte\u010de v\u00e1lc\u016f pou\u017eije p\u0159\u00edmo 1000 mm, m\u016f\u017ee se skute\u010dn\u00fd hotov\u00fd v\u00fdrobek od c\u00edlov\u00e9 velikosti li\u0161it v d\u016fsledku pru\u017enosti materi\u00e1lu.<\/p><p><strong><b>Proto mus\u00ed samotn\u00fd proces vytvo\u0159it uzav\u0159enou smy\u010dku:<\/b><\/strong><\/p><p>C\u00edlov\u00e1 velikost \u2192 Teoretick\u00e1 redukce \u2192 Kompenzace pru\u017ein \u2192 Skute\u010dn\u00e1 kontrola \u2192 Korekce parametr\u016f<\/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-dc341b1 elementor-widget elementor-widget-heading\" data-id=\"dc341b1\" 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) Ovl\u00e1dejte \u201eredukci\u201c b\u011bhem v\u00e1lcov\u00e1n\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5655f74 elementor-widget elementor-widget-text-editor\" data-id=\"5655f74\" 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>Toto je jeden z kl\u00ed\u010dov\u00fdch parametr\u016f ur\u010duj\u00edc\u00edch kvalitu v\u00e1lcov\u00e1n\u00ed.<\/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-1f0c5a1 elementor-widget elementor-widget-heading\" data-id=\"1f0c5a1\" 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\">Nedostate\u010dn\u00fd tlak:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d521216 elementor-widget elementor-widget-text-editor\" data-id=\"d521216\" 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>Nedostate\u010dn\u00e9 oh\u00fdb\u00e1n\u00ed plechov\u00e9ho materi\u00e1lu; nadm\u011brn\u00fd pr\u016fm\u011br po odpru\u017een\u00ed; vy\u017eaduje n\u011bkolik cykl\u016f op\u011btovn\u00e9ho v\u00e1lcov\u00e1n\u00ed.<\/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-db40fdf elementor-widget elementor-widget-heading\" data-id=\"db40fdf\" 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\">Nadm\u011brn\u00fd tlak:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14729d5 elementor-widget elementor-widget-text-editor\" data-id=\"14729d5\" 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>Snadno zp\u016fsobuje nadm\u011brnou plastickou deformaci; zvy\u0161uje zat\u00ed\u017een\u00ed za\u0159\u00edzen\u00ed; m\u016f\u017ee zp\u016fsobit lok\u00e1ln\u00ed deformaci; zhor\u0161uje kvalitu povrchu.<\/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-2f941c3 elementor-widget elementor-widget-text-editor\" data-id=\"2f941c3\" 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>Proto se doporu\u010duje pou\u017e\u00edt: postupn\u00fd tlak + v\u00edcevrstv\u00e9 v\u00e1lcov\u00e1n\u00ed, sp\u00ed\u0161e ne\u017e lisov\u00e1n\u00ed plechov\u00e9ho materi\u00e1lu do kone\u010dn\u00e9 polohy najednou.<\/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-6cb495e elementor-widget elementor-widget-heading\" data-id=\"6cb495e\" 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\">8) V\u00edcevrstv\u00e9 v\u00e1lcov\u00e1n\u00ed stabiln\u011bj\u0161\u00ed ne\u017e jednovrstv\u00e9 tv\u00e1\u0159en\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b891ac elementor-widget elementor-widget-text-editor\" data-id=\"7b891ac\" 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>Typick\u00fd proces lze navrhnout n\u00e1sledovn\u011b:<\/p><p><strong><b>Pr\u016fkaz 1:<\/b><\/strong><\/p><p>Plechov\u00fd materi\u00e1l vstupuje \u2192 po\u010d\u00e1te\u010dn\u00ed ohyb.<\/p><p><strong><b>Pr\u016fchod 2:<\/b><\/strong><\/p><p>Zvy\u0161te tlak \u2192 rozt\u00e1hn\u011bte oblast ohybu.<\/p><p><strong><b>Pr\u016fchod 3:<\/b><\/strong><\/p><p>Pokra\u010dujte ve v\u00e1lcov\u00e1n\u00ed \u2192 p\u0159ibli\u017eujte se k c\u00edlov\u00e9mu pr\u016fm\u011bru.<\/p><p><strong><b>Pr\u016fchod 4:<\/b><\/strong><\/p><p>Dokon\u010dov\u00e1n\u00ed \u2192 odstran\u011bn\u00ed lokalizovan\u00fdch chyb.<\/p><p>\u00a0<\/p><p><strong><b>Pr\u016fkaz 5:<\/b><\/strong><\/p><p>Spojov\u00e1n\u00ed \u2192 kontrola kruhovitosti.<\/p><p><strong><b>Tato metoda je vhodn\u00e1 zejm\u00e9na pro:<\/b><\/strong><\/p><ul><li>Siln\u00e9 desky<\/li><li>Vysokopevnostn\u00ed ocel<\/li><li>Nerez<\/li><li>V\u00e1lce s velk\u00fdm pr\u016fm\u011brem<\/li><li>Vysoce p\u0159esn\u00e9 v\u00e1lce<\/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-7d04c31 elementor-widget elementor-widget-heading\" data-id=\"7d04c31\" 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\">9) \u0158\u00edzen\u00ed \u00fahlu pod\u00e1v\u00e1n\u00ed pomoc\u00ed bo\u010dn\u00edch v\u00e1le\u010dk\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3da2a40 elementor-widget elementor-widget-text-editor\" data-id=\"3da2a40\" 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>U \u010dty\u0159v\u00e1lcov\u00fdch v\u00e1lcovac\u00edch stroj\u016f na plechy lze polohu plechu nastavit pomoc\u00ed bo\u010dn\u00edch v\u00e1le\u010dk\u016f.<\/p><p><strong><b>Pokud je \u00fahel vstupu desky nespr\u00e1vn\u00fd, m\u016f\u017ee doj\u00edt k n\u00e1sleduj\u00edc\u00edm probl\u00e9m\u016fm:<\/b><\/strong><\/p><ul><li>Nespr\u00e1vn\u011b zarovnan\u00e9 konce<\/li><li>Ku\u017eelov\u00fd v\u00e1lec<\/li><li>Nerovnom\u011brn\u00e1 kulatost<\/li><li>Obt\u00ed\u017ee se zarovn\u00e1n\u00edm \u0161v\u016f<\/li><\/ul><p><strong><b>Proto je p\u0159ed form\u00e1ln\u00edm zah\u00e1jen\u00edm \u010dinnosti nutn\u00e9 prov\u00e9st n\u00e1sleduj\u00edc\u00ed:<\/b><\/strong><\/p><p>Polohov\u00e1n\u00ed \u2192 St\u0159ed\u011bn\u00ed \u2192 Up\u00edn\u00e1n\u00ed \u2192 Zku\u0161ebn\u00ed v\u00e1lcov\u00e1n\u00ed.<\/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-41d6174 elementor-widget elementor-widget-heading\" data-id=\"41d6174\" 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\">10) Zaoblen\u00ed po v\u00e1lcov\u00e1n\u00ed nelze vynechat<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b290530 elementor-widget elementor-widget-text-editor\" data-id=\"b290530\" 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>I kdy\u017e je proces v\u00e1lcov\u00e1n\u00ed dob\u0159e kontrolov\u00e1n, hotov\u00fd v\u00fdrobek m\u016f\u017ee st\u00e1le vykazovat:<\/p><ul><li>Ov\u00e1l<\/li><li>M\u00edstn\u00ed boule<\/li><li>Deformace v oblasti \u0161vu<\/li><li>Nezaoblen\u00e9 konce<\/li><\/ul><p>Proto je obvykle nutn\u00e9 zaokrouhlov\u00e1n\u00ed:<\/p><p>Pou\u017eit\u00ed vhodn\u00e9ho p\u0159\u00edtlaku v\u00e1lce k zjemn\u011bn\u00ed v\u00e1lce.<\/p><p>\u00da\u010delem nen\u00ed p\u0159evalov\u00e1n\u00ed, ale: eliminace lok\u00e1ln\u00edch chyb a dosa\u017een\u00ed konzistentn\u011bj\u0161\u00ed kruhovitosti v\u00e1lce.<\/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-fd2ca94 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd2ca94\" 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-7e65828\" data-id=\"7e65828\" 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-af1049c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"af1049c\" 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-5cc743a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cc743a\" 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-5e091dd\" data-id=\"5e091dd\" 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-6a11d56 elementor-widget elementor-widget-heading\" data-id=\"6a11d56\" 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. Jak zlep\u0161it kvalitu v\u00e1lcov\u00e1n\u00ed plech\u016f?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-036e346 elementor-widget elementor-widget-image\" data-id=\"036e346\" 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=\"533\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/metal-sheet-rolling-process.jpg\" class=\"attachment-large size-large wp-image-6349\" alt=\"proces v\u00e1lcov\u00e1n\u00ed plech\u016f\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/metal-sheet-rolling-process.jpg 900w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/metal-sheet-rolling-process-300x200.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/metal-sheet-rolling-process-768x512.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/metal-sheet-rolling-process-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-35240eb elementor-widget elementor-widget-text-editor\" data-id=\"35240eb\" 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>Zlep\u0161en\u00ed kvality v\u00e1lcov\u00e1n\u00ed plech\u016f nespo\u010d\u00edv\u00e1 pouze ve zv\u00fd\u0161en\u00ed tlaku v\u00e1lcovac\u00edho stroje, ale sp\u00ed\u0161e v sou\u010dasn\u00e9 optimalizaci p\u0159\u00edpravy materi\u00e1lu, v\u00fdb\u011bru za\u0159\u00edzen\u00ed, procesu p\u0159edoh\u00fdb\u00e1n\u00ed, parametr\u016f v\u00e1lcov\u00e1n\u00ed, kompenzace pru\u017ein, polohov\u00e1n\u00ed plechu, kontroly procesu a kalibrace zaoblen\u00ed.<\/p><p><strong><b>C\u00edle lze shrnout takto:<\/b><\/strong><\/p><p>Rovnom\u011brn\u011bj\u0161\u00ed v\u00e1lcov\u00e1n\u00ed s p\u0159esn\u011bj\u0161\u00edmi rozm\u011bry, krat\u0161\u00edmi rovn\u00fdmi hranami, lep\u0161\u00ed povrchovou \u00fapravou, stabiln\u011bj\u0161\u00edmi d\u00e1vkami a vy\u0161\u0161\u00ed \u00fa\u010dinnost\u00ed.<\/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-90177a9 elementor-widget elementor-widget-heading\" data-id=\"90177a9\" 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\">Krok 1: Zlep\u0161en\u00ed kvality p\u0159ed\u00fapravy plech\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a231f5 elementor-widget elementor-widget-text-editor\" data-id=\"7a231f5\" 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>Mnoho probl\u00e9m\u016f s v\u00e1lcov\u00e1n\u00edm nen\u00ed zp\u016fsobeno samotn\u00fdm v\u00e1lcovac\u00edm strojem, ale sp\u00ed\u0161e probl\u00e9my, kter\u00e9 se vyskytnou p\u0159ed vstupem plechu do za\u0159\u00edzen\u00ed.<\/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-6e95051 elementor-widget elementor-widget-heading\" data-id=\"6e95051\" 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\">1) Zkontrolujte skute\u010dnou tlou\u0161\u0165ku plechu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3adfe78 elementor-widget elementor-widget-text-editor\" data-id=\"3adfe78\" 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>Parametry by nem\u011bly b\u00fdt nastavov\u00e1ny pouze na z\u00e1klad\u011b nomin\u00e1ln\u00ed tlou\u0161\u0165ky.<\/p><p>Nap\u0159\u00edklad: ocelov\u00fd plech o tlou\u0161\u0165ce 12 mm<\/p><p>Skute\u010dn\u00e1 tlou\u0161\u0165ka m\u016f\u017ee m\u00edt v\u00fdrobn\u00ed tolerance a polom\u011br v\u00e1lcov\u00e1n\u00ed je velmi citliv\u00fd na zm\u011bny tlou\u0161\u0165ky plechu.<\/p><p>U vysoce p\u0159esn\u00fdch v\u00fdrobk\u016f by m\u011bla b\u00fdt skute\u010dn\u00e1 tlou\u0161\u0165ka plechu zm\u011b\u0159ena a pou\u017eita jako jeden z procesn\u00edch parametr\u016f.<\/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-7e858c6 elementor-widget elementor-widget-heading\" data-id=\"7e858c6\" 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\">2) Zkontrolujte rovinnost plechov\u00e9ho materi\u00e1lu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62d1dcf elementor-widget elementor-widget-text-editor\" data-id=\"62d1dcf\" 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>Zam\u011b\u0159te se na kontrolu:<\/p><ul><li>St\u0159edov\u00e9 boule<\/li><li>Deformace hran<\/li><li>Vlnit\u00e1 deformace<\/li><li>Kroucen\u00ed<\/li><li>Lok\u00e1ln\u00ed deprese<\/li><\/ul><p>Pokud je samotn\u00fd plechov\u00fd materi\u00e1l nerovn\u00fd, bude po v\u00e1lcov\u00e1n\u00ed obt\u00ed\u017en\u00e9 dos\u00e1hnout stabiln\u00ed kulatosti.<\/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-058ea59 elementor-widget elementor-widget-heading\" data-id=\"058ea59\" 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\">3) O\u010dist\u011bte plech a povrch v\u00e1lce<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77ec956 elementor-widget elementor-widget-text-editor\" data-id=\"77ec956\" 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>Zejm\u00e9na u v\u00fdrobk\u016f s vysok\u00fdmi po\u017eadavky na povrch, jako jsou nerezov\u00e9 a hlin\u00edkov\u00e9 plechy, se vyvarujte:<\/p><ul><li>\u017delezn\u00e9 piliny<\/li><li>Sva\u0159ovac\u00ed struska<\/li><li>Oxidov\u00e9 stupnice<\/li><li>Kovov\u00e9 \u010d\u00e1stice<\/li><li>Olejov\u00e9 skvrny<\/li><\/ul><p>Vstup mezi v\u00e1lec a plechov\u00fd materi\u00e1l.<\/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-5e3b181 elementor-widget elementor-widget-heading\" data-id=\"5e3b181\" 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\">Krok 2: V\u00fdb\u011br spr\u00e1vn\u00e9ho v\u00e1lcovac\u00edho stroje na plechy<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc2987b elementor-widget elementor-widget-text-editor\" data-id=\"cc2987b\" 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>Struktura za\u0159\u00edzen\u00ed p\u0159\u00edmo ovliv\u0148uje proces v\u00e1lcov\u00e1n\u00ed plech\u016f.<\/p><p><strong><b>Mezi b\u011b\u017en\u00e9 vybaven\u00ed pat\u0159\u00ed:<\/b><\/strong><\/p><ul><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/3-roller-plate-bending-machine\/\" target=\"_blank\" rel=\"noopener\">T\u0159\u00edv\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj na plechy<\/a><\/span><\/li><li>Symetrick\u00fd t\u0159\u00edv\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj na plechy<\/li><li>Asymetrick\u00fd t\u0159\u00edv\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj na plechy<\/li><li>Univerz\u00e1ln\u00ed v\u00e1lcovac\u00ed stroj na plechy s horn\u00edm v\u00e1le\u010dkem<\/li><li>\u010cty\u0159v\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj na plechy<\/li><\/ul><p>U v\u00fdrobk\u016f vy\u017eaduj\u00edc\u00edch vysokou kulatost, kr\u00e1tk\u00e9 rovn\u00e9 hrany a vysokou efektivitu v\u00fdroby jsou \u010dty\u0159v\u00e1lcov\u00e9 v\u00e1lcovac\u00ed stroje obecn\u011b snaz\u0161\u00ed pro dosa\u017een\u00ed stabiln\u00edho polohov\u00e1n\u00ed, p\u0159edoh\u00fdb\u00e1n\u00ed a v\u00e1lcov\u00e1n\u00ed.<\/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-35ad800 elementor-widget elementor-widget-heading\" data-id=\"35ad800\" 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\">Krok 3: Zd\u016frazn\u011bte p\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed konce<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14959d8 elementor-widget elementor-widget-text-editor\" data-id=\"14959d8\" 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>Toto je jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch krok\u016f ke zlep\u0161en\u00ed kvality v\u00e1lcov\u00e1n\u00ed.<\/p><p>Pokud je p\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed nedostate\u010dn\u00e9, m\u00e1 kone\u010dn\u00fd v\u00fdrobek sklon k nadm\u011brn\u011b dlouh\u00fdm rovn\u00fdm hran\u00e1m na obou konc\u00edch.<\/p><p>Cel\u00fd proces by proto m\u011bl b\u00fdt n\u00e1sleduj\u00edc\u00ed: p\u0159edoh\u00fdb\u00e1n\u00ed konc\u016f \u2192 v\u00e1lcov\u00e1n\u00ed hlavn\u00edho t\u011blesa \u2192 spojov\u00e1n\u00ed \u2192 kone\u010dn\u00e1 \u00faprava. Sp\u00ed\u0161e ne\u017e pouh\u00e9 v\u00e1lcov\u00e1n\u00ed ploch\u00e9 desky p\u0159\u00edmo do kruhu.<\/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-95946de elementor-widget elementor-widget-heading\" data-id=\"95946de\" 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\">Krok 4: Optimalizace mno\u017estv\u00ed redukce<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e90c48 elementor-widget elementor-widget-text-editor\" data-id=\"3e90c48\" 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>Mno\u017estv\u00ed redukce je kl\u00ed\u010dov\u00fdm parametrem ur\u010duj\u00edc\u00edm kvalitu v\u00e1lce.<\/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-6c03c29 elementor-widget elementor-widget-heading\" data-id=\"6c03c29\" 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\">Nedostate\u010dn\u00e9 sn\u00ed\u017een\u00ed<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b44cbb elementor-widget elementor-widget-text-editor\" data-id=\"2b44cbb\" 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>M\u016f\u017ee v\u00e9st k:<\/p><ul><li>Pr\u016fm\u011br je p\u0159\u00edli\u0161 velk\u00fd<\/li><li>Zv\u011bt\u0161en\u00ed polom\u011bru po odpru\u017een\u00ed<\/li><li>Nedostate\u010dn\u00e1 kulatost<\/li><li>Vy\u017eaduje opakovan\u00e9 v\u00e1lcov\u00e1n\u00ed<\/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-c6c9c75 elementor-widget elementor-widget-heading\" data-id=\"c6c9c75\" 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\">Nadm\u011brn\u00e9 sn\u00ed\u017een\u00ed<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2930b6 elementor-widget elementor-widget-text-editor\" data-id=\"c2930b6\" 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>M\u016f\u017ee v\u00e9st k:<\/p><ul><li>Lokalizovan\u00e1 nadm\u011brn\u00e1 deformace<\/li><li>Povrchov\u00e9 vrypy<\/li><li>Zv\u00fd\u0161en\u00e9 zat\u00ed\u017een\u00ed za\u0159\u00edzen\u00ed<\/li><li>Nedostate\u010dn\u00e1 velikost<\/li><\/ul><p>Proto je rozumn\u011bj\u0161\u00ed metodou: redukce v mal\u00fdch kroc\u00edch, v\u00edcevrstv\u00e9 tv\u00e1\u0159en\u00ed.<\/p><p>To je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 pro siln\u00e9 plechy, vysokopevnostn\u00ed ocel a nerezovou ocel.<\/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-a77bb7b elementor-widget elementor-widget-heading\" data-id=\"a77bb7b\" 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\">Krok 5: Zm\u011bna z \u201ejednor\u00e1zov\u00e9ho v\u00e1lcov\u00e1n\u00ed\u201c na \u201ev\u00edcestup\u0148ov\u00e9 v\u00e1lcov\u00e1n\u00ed\u201c<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f40ed9a elementor-widget elementor-widget-text-editor\" data-id=\"f40ed9a\" 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>Nap\u0159\u00edklad pro v\u00e1lec z tlust\u00e9ho plechu lze pou\u017e\u00edt n\u00e1sleduj\u00edc\u00ed:<\/p><p>Prvn\u00ed pr\u016fchod: po\u010d\u00e1te\u010dn\u00ed ohyb<\/p><p>\u2193<\/p><p>Druh\u00fd pr\u016fchod: roz\u0161\u00ed\u0159en\u00ed ohybov\u00e9 plochy<\/p><p>\u2193<\/p><p>T\u0159et\u00ed pr\u016fchod: p\u0159ibl\u00ed\u017een\u00ed se k c\u00edlov\u00e9mu pr\u016fm\u011bru<\/p><p>\u2193<\/p><p>\u010ctvrt\u00fd pr\u016fchod: spojov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>P\u00e1t\u00fd pr\u016fchod: dokon\u010dov\u00e1n\u00ed a zaoblov\u00e1n\u00ed<\/p><p>Tato metoda je obecn\u011b snaz\u0161\u00ed na kontrolu z hlediska velikosti a kulatosti ne\u017e jedno velk\u00e9 zmen\u0161en\u00ed.<\/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-5273c4f elementor-widget elementor-widget-heading\" data-id=\"5273c4f\" 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\">Krok 6: Zlep\u0161en\u00ed zarovn\u00e1n\u00ed list\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6721e03 elementor-widget elementor-widget-text-editor\" data-id=\"6721e03\" 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>Pokud je plech p\u0159i vstupu do v\u00e1lcovac\u00edho stroje zkosen\u00fd, je n\u00e1chyln\u00fd k n\u00e1sleduj\u00edc\u00edm probl\u00e9m\u016fm:<\/p><ul><li>Ku\u017eelov\u00fd tvar<\/li><li>R\u016fzn\u00e9 pr\u016fm\u011bry na obou konc\u00edch<\/li><li>\u0160patn\u011b zarovnan\u00e9 klouby<\/li><li>Nekonzistentn\u00ed kulatost<\/li><\/ul><p><strong><b>Proto je b\u011bhem krmen\u00ed nezbytn\u00e9 kontrolovat:<\/b><\/strong><\/p><p>Osa plechu = Osa v\u00e1lcovac\u00edho stroje<\/p><p>Toho lze dos\u00e1hnout pomoc\u00ed:<\/p><ul><li>Polohovac\u00ed \u010d\u00e1ry<\/li><li>Bo\u010dn\u00ed polohovac\u00ed za\u0159\u00edzen\u00ed<\/li><li>Laserov\u00e9 polohov\u00e1n\u00ed<\/li><li>CNC polohov\u00e1n\u00ed<\/li><li>Mechanick\u00e9 zar\u00e1\u017eky<\/li><li>Zlep\u0161en\u00ed opakovatelnosti krmen\u00ed<\/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-889fccf elementor-widget elementor-widget-heading\" data-id=\"889fccf\" 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\">Krok 7: Zam\u011b\u0159te se na kontrolu pru\u017enosti materi\u00e1lu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61f5c1b elementor-widget elementor-widget-text-editor\" data-id=\"61f5c1b\" 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>Plechy se po odleh\u010den\u00ed elasticky zotav\u00ed.<\/p><p>Proto: Tvar na stroji nemus\u00ed b\u00fdt nutn\u011b kone\u010dn\u00fdm tvarem po vylo\u017een\u00ed.<\/p><p><strong><b>Zvl\u00e1\u0161tn\u00ed pozornost je t\u0159eba v\u011bnovat:<\/b><\/strong><\/p><ul><li>Vysokopevnostn\u00ed ocel, jako je Q355<\/li><li>Nerezov\u00e1 ocel 304<\/li><li>Nerezov\u00e1 ocel 316L<\/li><li>Vysokopevnostn\u00ed legovan\u00e1 ocel<\/li><\/ul><p>U materi\u00e1l\u016f s v\u00fdrazn\u00fdm pru\u017en\u00fdm zp\u011btn\u00fdm r\u00e1zem by m\u011bly b\u00fdt stanoveny specifick\u00e9 parametry kompenzace pru\u017enosti.<\/p><p><strong><b>Nap\u0159\u00edklad:<\/b><\/strong><\/p><p>C\u00edlov\u00fd pr\u016fm\u011br \u2192 Teoretick\u00fd pr\u016fm\u011br v\u00e1lcov\u00e1n\u00ed \u2192 Kompenzace pru\u017ein \u2192 Skute\u010dn\u00e1 kontrola \u2192 Korekce parametr\u016f<\/p><p>Postupn\u011b rozv\u00edjet vlastn\u00ed procesn\u00ed datab\u00e1zi spole\u010dnosti.<\/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-9963175 elementor-widget elementor-widget-heading\" data-id=\"9963175\" 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\">Krok 8: Vytvo\u0159te datab\u00e1zi parametr\u016f pro \u201emateri\u00e1l + tlou\u0161\u0165ka + pr\u016fm\u011br\u201c<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3fb7ea elementor-widget elementor-widget-text-editor\" data-id=\"f3fb7ea\" 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>Toto je velmi \u00fa\u010dinn\u00e1 metoda pro zlep\u0161en\u00ed konzistence v hromadn\u00e9 v\u00fdrob\u011b.<\/p><p><strong><b>Nap\u0159\u00edklad:<\/b><\/strong><\/p><table><tbody><tr><td width=\"83\"><p><strong><b>Materi\u00e1l<\/b><\/strong><\/p><\/td><td width=\"92\"><p><strong><b>Tlou\u0161\u0165ka<\/b><\/strong><\/p><\/td><td width=\"78\"><p><strong><b>\u0160\u00ed\u0159ka patentu<\/b><\/strong><\/p><\/td><td width=\"89\"><p><strong><b>Pr\u016fm\u011br c\u00edle<\/b><\/strong><\/p><\/td><td width=\"108\"><p><strong><b>Parametry p\u0159edb\u011b\u017en\u00e9ho oh\u00fdb\u00e1n\u00ed<\/b><\/strong><\/p><\/td><td width=\"104\"><p><strong><b>Parametry rolov\u00e1n\u00ed<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"83\"><p>Ot\u00e1zka 235<\/p><\/td><td width=\"92\"><p>6 mm<\/p><\/td><td width=\"78\"><p>2000 mm<\/p><\/td><td width=\"89\"><p>\u00d8500<\/p><\/td><td width=\"108\"><p>A<\/p><\/td><td width=\"104\"><p>A<\/p><\/td><\/tr><tr><td width=\"83\"><p>Ot\u00e1zka 235<\/p><\/td><td width=\"92\"><p>10 mm<\/p><\/td><td width=\"78\"><p>3000 mm<\/p><\/td><td width=\"89\"><p>\u00d8800<\/p><\/td><td width=\"108\"><p>B.<\/p><\/td><td width=\"104\"><p>B.<\/p><\/td><\/tr><tr><td width=\"83\"><p>Q355<\/p><\/td><td width=\"92\"><p>12 mm<\/p><\/td><td width=\"78\"><p>3000 mm<\/p><\/td><td width=\"89\"><p>\u00d81000<\/p><\/td><td width=\"108\"><p>C<\/p><\/td><td width=\"104\"><p>C<\/p><\/td><\/tr><tr><td width=\"83\"><p>304<\/p><\/td><td width=\"92\"><p>8 mm<\/p><\/td><td width=\"78\"><p>2000 mm<\/p><\/td><td width=\"89\"><p>\u00d8600<\/p><\/td><td width=\"108\"><p>D<\/p><\/td><td width=\"104\"><p>D<\/p><\/td><\/tr><tr><td width=\"83\"><p>304<\/p><\/td><td width=\"92\"><p>12 mm<\/p><\/td><td width=\"78\"><p>3000 mm<\/p><\/td><td width=\"89\"><p>\u00d81200<\/p><\/td><td width=\"108\"><p>E<\/p><\/td><td width=\"104\"><p>E<\/p><\/td><\/tr><\/tbody><\/table><p>Oper\u00e1to\u0159i se ji\u017e nebudou muset spol\u00e9hat v\u00fdhradn\u011b na zku\u0161enosti a budou m\u00edt p\u0159\u00edm\u00fd p\u0159\u00edstup k ov\u011b\u0159en\u00fdm parametr\u016fm.<\/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-d264690 elementor-widget elementor-widget-heading\" data-id=\"d264690\" 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\">Zlep\u0161en\u00ed p\u0159esnosti synchronizace hydraulick\u00e9ho syst\u00e9mu a v\u00e1lc\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ee6b9e elementor-widget elementor-widget-text-editor\" data-id=\"9ee6b9e\" 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>To je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 pro velk\u00e9 hydraulick\u00e9 v\u00e1lcovac\u00ed stroje na plechy.<\/p><p>Pokud je v poloze lev\u00fdch a prav\u00fdch bo\u010dn\u00edch v\u00e1le\u010dk\u016f v\u00fdznamn\u00fd rozd\u00edl, m\u016f\u017ee to zp\u016fsobit naklon\u011bn\u00ed a z\u00fa\u017een\u00ed desky.<\/p><p><strong><b>Proto je t\u0159eba pe\u010dliv\u011b kontrolovat n\u00e1sleduj\u00edc\u00ed aspekty:<\/b><\/strong><\/p><ul><li>Synchronizace lev\u00e9ho a prav\u00e9ho hydraulick\u00e9ho v\u00e1lce<\/li><li>Zp\u011btn\u00e1 vazba o posunut\u00ed<\/li><li>Hydraulick\u00fd tlak<\/li><li>Poloha bo\u010dn\u00edho v\u00e1lce<\/li><li>\u0158\u00edzen\u00ed CNC syst\u00e9mu v uzav\u0159en\u00e9 smy\u010dce<\/li><\/ul><p>Pro vysoce p\u0159esn\u00e9 v\u00e1lcov\u00e1n\u00ed je p\u0159esnost regulace polohy \u010dasto d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e pouh\u00e9 zvy\u0161ov\u00e1n\u00ed hydraulick\u00e9ho tlaku.<\/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-d8cbea4 elementor-widget elementor-widget-heading\" data-id=\"d8cbea4\" 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\">Zlep\u0161en\u00ed efektivity v\u00fdroby: Sn\u00ed\u017een\u00ed \u201eopakovan\u00e9ho v\u00e1lcov\u00e1n\u00ed\u201c<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8214e9b elementor-widget elementor-widget-text-editor\" data-id=\"8214e9b\" 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>Tradi\u010dn\u00ed v\u00fdroba v\u00e1lcovan\u00fdch plech\u016f \u010dasto zahrnuje:<\/b><\/strong><\/p><p>Ho\u010f jednou \u2192 Zm\u011b\u0159 \u2192 \u00daprava \u2192 Opakovan\u00fd hod \u2192 Opakovan\u00e9 m\u011b\u0159en\u00ed<\/p><p>I kdy\u017e se t\u00edm proces dokon\u010d\u00ed, je to neefektivn\u00ed a siln\u011b z\u00e1visl\u00e9 na zku\u0161enostech oper\u00e1tora.<\/p><p>Lep\u0161\u00ed p\u0159\u00edstup je:<\/p><p><strong><b>Krok 1<\/b><\/strong><\/p><p>Zaznamenejte informace o materi\u00e1lech a produktech.<\/p><p><strong><b>Krok 2<\/b><\/strong><\/p><p>P\u0159ipome\u0148me si historick\u00e9 parametry.<\/p><p><strong><b>Krok 3<\/b><\/strong><\/p><p>Automaticky um\u00edst\u011bte v\u00e1le\u010dky.<\/p><p><strong><b>Krok 4<\/b><\/strong><\/p><p>Automaticky prove\u010fte postup p\u0159edb\u011b\u017en\u00e9ho oh\u00fdb\u00e1n\u00ed.<\/p><p><strong><b>Krok 5<\/b><\/strong><\/p><p>Automaticky prov\u00e9st v\u00edce pr\u016fchod\u016f rolov\u00e1n\u00edm.<\/p><p><strong><b>Krok 6<\/b><\/strong><\/p><p>Dokon\u010dov\u00e1n\u00ed.<\/p><p><strong><b>Krok 7<\/b><\/strong><\/p><p>Zkontrolujte a ulo\u017ete skute\u010dn\u00e9 v\u00fdsledky.<\/p><p>To postupn\u011b vede k digitalizovan\u00e9mu procesu v\u00e1lcov\u00e1n\u00ed plech\u016f.<\/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-9c522fe elementor-widget elementor-widget-image\" data-id=\"9c522fe\" 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=\"711\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/Four-Roller-Sheet-Rolling-Machine-W12-6X2000.jpg\" class=\"attachment-large size-large wp-image-6351\" alt=\"\u010cty\u0159v\u00e1lcov\u00fd v\u00e1lcovac\u00ed stroj na plechy W12-6X2000\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/Four-Roller-Sheet-Rolling-Machine-W12-6X2000.jpg 711w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/Four-Roller-Sheet-Rolling-Machine-W12-6X2000-300x169.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/09\/Four-Roller-Sheet-Rolling-Machine-W12-6X2000-18x10.jpg 18w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/>\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\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-d04608e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d04608e\" 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-734aac0\" data-id=\"734aac0\" 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-c25af6a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c25af6a\" 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-aac2ef2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aac2ef2\" 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-f6c1eaf\" data-id=\"f6c1eaf\" 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-46da558 elementor-widget elementor-widget-heading\" data-id=\"46da558\" 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. Jak zmen\u0161it rovn\u00e9 hrany?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84be956 elementor-widget elementor-widget-text-editor\" data-id=\"84be956\" 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>Sn\u00ed\u017een\u00ed po\u010dtu rovn\u00fdch hran je kl\u00ed\u010dem ke zlep\u0161en\u00ed procesu v\u00e1lcov\u00e1n\u00ed plech\u016f.<\/p><p>Mezi hlavn\u00ed metody pat\u0159\u00ed:<\/p><p><strong><b>Metoda 1: Dostate\u010dn\u00e9 p\u0159edoh\u00fdb\u00e1n\u00ed<\/b><\/strong><\/p><p>Zvy\u0161te stupe\u0148 p\u0159edoh\u00fdb\u00e1n\u00ed na konc\u00edch.<\/p><p><strong><b>Metoda 2: Pou\u017eit\u00ed \u010dty\u0159v\u00e1lcov\u00e9ho v\u00e1lce<\/b><\/strong><\/p><p>Zlep\u0161ete schopnost tvarov\u00e1n\u00ed konc\u016f pomoc\u00ed ovl\u00e1d\u00e1n\u00ed bo\u010dn\u00edch v\u00e1lc\u016f.<\/p><p><strong><b>Metoda 3: Vhodn\u00e9 zv\u00fd\u0161en\u00ed m\u00edry p\u0159edoh\u00fdb\u00e1n\u00ed<\/b><\/strong><\/p><p>Zabra\u0148te nedostate\u010dn\u00e9mu p\u0159edoh\u00fdb\u00e1n\u00ed.<\/p><p><strong><b>Metoda 4: Zv\u00fd\u0161en\u00ed po\u010dtu dokon\u010dovac\u00edch pr\u016fchod\u016f<\/b><\/strong><\/p><p>U vysoce p\u0159esn\u00fdch v\u00e1lc\u016f lze prov\u00e9st v\u00edce dokon\u010dovac\u00edch pr\u016fchod\u016f.<\/p><p><strong><b>Metoda 5: Pou\u017eit\u00ed vhodn\u00e9ho pr\u016fm\u011bru v\u00e1lce<\/b><\/strong><\/p><p>P\u0159\u00edli\u0161 velk\u00fd pr\u016fm\u011br v\u00e1lce nebo nesoulad procesn\u00edch parametr\u016f m\u016f\u017ee ovlivnit tv\u00e1\u0159en\u00ed konc\u016f.<\/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-1d59f62 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1d59f62\" 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-699b67d\" data-id=\"699b67d\" 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-a39fb96 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a39fb96\" 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-dca70e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dca70e6\" 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-57d2c93\" data-id=\"57d2c93\" 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-c9124ca elementor-widget elementor-widget-heading\" data-id=\"c9124ca\" 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. Ovl\u00e1d\u00e1n\u00ed zp\u011btn\u00e9ho odpru\u017een\u00ed<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02eee98 elementor-widget elementor-widget-text-editor\" data-id=\"02eee98\" 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>Je t\u0159eba zohlednit pru\u017enost materi\u00e1lu. Po plastick\u00e9 deformaci se kovov\u00e9 plechy do ur\u010dit\u00e9 m\u00edry zotav\u00ed z elastick\u00fdch zm\u011bn.<\/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-ef3ecdc elementor-widget elementor-widget-heading\" data-id=\"ef3ecdc\" 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\">Pru\u017einov\u00e9 ovl\u00e1d\u00e1n\u00ed pro r\u016fzn\u00e9 materi\u00e1ly<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe0d9e8 elementor-widget elementor-widget-text-editor\" data-id=\"fe0d9e8\" 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>Obecn\u011b \u0159e\u010deno:<\/p><table><tbody><tr><td width=\"118\"><p><strong><b>Materi\u00e1ly<\/b><\/strong><\/p><\/td><td width=\"186\"><p><strong><b>Kontrola doskoku<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"118\"><p>B\u011b\u017en\u00e1 n\u00edzkouhl\u00edkov\u00e1 ocel<\/p><\/td><td width=\"186\"><p>Relativn\u011b snadn\u00e9<\/p><\/td><\/tr><tr><td width=\"118\"><p>Ot\u00e1zka 235<\/p><\/td><td width=\"186\"><p>Snadn\u011bj\u0161\u00ed ovl\u00e1d\u00e1n\u00ed<\/p><\/td><\/tr><tr><td width=\"118\"><p>Q355<\/p><\/td><td width=\"186\"><p>Zv\u00fd\u0161it odm\u011bnu<\/p><\/td><\/tr><tr><td width=\"118\"><p>Nerezov\u00e1 ocel 304<\/p><\/td><td width=\"186\"><p>Vy\u017eaduje pe\u010dliv\u00e9 zv\u00e1\u017een\u00ed<\/p><\/td><\/tr><tr><td width=\"118\"><p>Nerezov\u00e1 ocel 316L<\/p><\/td><td width=\"186\"><p>Vy\u017eaduje pe\u010dliv\u00e9 zv\u00e1\u017een\u00ed<\/p><\/td><\/tr><tr><td width=\"118\"><p>Vysokopevnostn\u00ed ocel<\/p><\/td><td width=\"186\"><p>Odraz je v\u00fdrazn\u011bj\u0161\u00ed<\/p><\/td><\/tr><tr><td width=\"118\"><p>Hlin\u00edkov\u00e1 slitina<\/p><\/td><td width=\"186\"><p>Vy\u017eaduje \u00fapravu na z\u00e1klad\u011b sklonu<\/p><\/td><\/tr><\/tbody><\/table><p>Parametry v\u00e1lcovac\u00edho stroje na plechy proto nelze nastavovat pouze na z\u00e1klad\u011b \u201etlou\u0161\u0165ky\u201c.<\/p><p>Je t\u0159eba zv\u00e1\u017eit alespo\u0148 n\u00e1sleduj\u00edc\u00ed: Tlou\u0161\u0165ka + Materi\u00e1l + \u0160\u00ed\u0159ka + C\u00edlov\u00fd pr\u016fm\u011br.<\/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-cccb8b3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cccb8b3\" 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-06abcff\" data-id=\"06abcff\" 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-8bdf3ba elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8bdf3ba\" 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-3eb9ef1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3eb9ef1\" 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-08f0117\" data-id=\"08f0117\" 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-5c5065f elementor-widget elementor-widget-heading\" data-id=\"5c5065f\" 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. Shrnut\u00ed<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f21626e elementor-widget elementor-widget-text-editor\" data-id=\"f21626e\" 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>Ide\u00e1ln\u00ed modern\u00ed proces v\u00e1lcov\u00e1n\u00ed plech\u016f:<\/b><\/strong><\/p><p>Skladov\u00e1n\u00ed deskov\u00e9ho materi\u00e1lu<\/p><p>\u2193<\/p><p>Identifikace materi\u00e1lu<\/p><p>\u2193<\/p><p>Detekce tlou\u0161\u0165ky\/\u0161\u00ed\u0159ky<\/p><p>\u2193<\/p><p>Vyrovn\u00e1v\u00e1n\u00ed deskov\u00e9ho materi\u00e1lu<\/p><p>\u2193<\/p><p>CNC polohov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>P\u0159esn\u00e9 centrov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>Konec p\u0159edoh\u00fdb\u00e1n\u00ed<\/p><p>\u2193<\/p><p>V\u00edcevrstv\u00e9 v\u00e1lcov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>Automatick\u00e9 spojov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>P\u0159edb\u011b\u017en\u00e1 inspekce<\/p><p>\u2193<\/p><p>Dokon\u010dov\u00e1n\u00ed a zaoblov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>Sva\u0159ov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>Kontrola kruhovitosti po sva\u0159ov\u00e1n\u00ed<\/p><p>\u2193<\/p><p>Kone\u010dn\u00e1 kontrola rozm\u011br\u016f<\/p><p>\u2193<\/p><p>Archivace procesn\u00edch parametr\u016f<\/p><p>Nej\u00fa\u010dinn\u011bj\u0161\u00ed metodu zlep\u0161ov\u00e1n\u00ed lze shrnout jako \u201e10 kl\u00ed\u010dov\u00fdch krok\u016f\u201c.<\/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-b8166c5 elementor-widget elementor-widget-text-editor\" data-id=\"b8166c5\" 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>Pokud by se cel\u00e1 metoda m\u011bla zkr\u00e1tit do verze, kterou lze snadno implementovat na m\u00edst\u011b, lze ji shrnout takto:<\/b><\/strong><\/p><ul><li><b><\/b><strong><b>Vyberte si spr\u00e1vn\u00e9 vybaven\u00ed<\/b><\/strong><\/li><\/ul><p>Vyberte v\u00e1lcovac\u00ed stroj na plechy na z\u00e1klad\u011b materi\u00e1lu, tlou\u0161\u0165ky, \u0161\u00ed\u0159ky a pr\u016fm\u011bru.<\/p><ul><li><b><\/b><strong><b>Nejprve zkontrolujte materi\u00e1l<\/b><\/strong><\/li><\/ul><p>Ov\u011b\u0159te t\u0159\u00eddu, tlou\u0161\u0165ku a rovinnost.<\/p><ul><li><b><\/b><strong><b>Udr\u017eujte povrch v\u00e1lce \u010dist\u00fd<\/b><\/strong><\/li><\/ul><p>Zabra\u0148te po\u0161kr\u00e1b\u00e1n\u00ed povrchu.<\/p><ul><li><b><\/b><strong><b>P\u0159esn\u00e9 centrov\u00e1n\u00ed<\/b><\/strong><\/li><\/ul><p>Zabra\u0148te z\u00fa\u017een\u00ed v\u00e1lce.<\/p><ul><li><b><\/b><strong><b>Spr\u00e1vn\u00e9 p\u0159edb\u011b\u017en\u00e9 oh\u00fdb\u00e1n\u00ed<\/b><\/strong><\/li><\/ul><p>Na konc\u00edch zredukujte rovn\u00e9 hrany.<\/p><ul><li><b><\/b><strong><b>Rozumn\u00e9 lisov\u00e1n\u00ed<\/b><\/strong><\/li><\/ul><p>Vyhn\u011bte se nadm\u011brn\u00e9mu tlaku najednou.<\/p><ul><li><b><\/b><strong><b>V\u00edcevrstv\u00e9 v\u00e1lcov\u00e1n\u00ed<\/b><\/strong><\/li><\/ul><p>Zlep\u0161ete kulatost a stabilitu.<\/p><ul><li><b><\/b><strong><b>Efektivn\u00ed kompenzace pru\u017ein<\/b><\/strong><\/li><\/ul><p>Zvl\u00e1\u0161tn\u00ed pozornost v\u011bnujte nerezov\u00e9 oceli a vysokopevnostn\u00ed oceli.<\/p><ul><li><b><\/b><strong><b>Kone\u010dn\u00e9 zaokrouhlen\u00ed<\/b><\/strong><\/li><\/ul><p>Eliminujte lok\u00e1ln\u00ed deformaci.<\/p><ul><li><b><\/b><strong><b>Vytvo\u0159te datovou smy\u010dku<\/b><\/strong><\/li><\/ul><p>Ulo\u017ete si \u00fasp\u011b\u0161n\u00e9 parametry a postupn\u011b vyv\u00edjejte standardn\u00ed procesy.<\/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>Obsah Proces v\u00e1lcov\u00e1n\u00ed plech\u016f, zd\u00e1nliv\u011b jednoduch\u00fd proces tvarov\u00e1n\u00ed ploch\u00e9 desky do v\u00e1lce nebo oblouku, ve skute\u010dnosti zahrnuje n\u011bkolik f\u00e1z\u00ed, v\u010detn\u011b vlastnost\u00ed materi\u00e1lu, tlou\u0161\u0165ky a \u0161\u00ed\u0159ky plechu, struktury v\u00e1lcovac\u00edho stroje, geometrie v\u00e1lc\u016f, p\u0159edoh\u00fdb\u00e1n\u00ed, polohy pod\u00e1v\u00e1n\u00ed, m\u00edry redukce, po\u0159ad\u00ed v\u00e1lcov\u00e1n\u00ed, \u0159\u00edzen\u00ed pru\u017ein a korekc\u00ed p\u0159ed a po sva\u0159ov\u00e1n\u00ed. Pokud je c\u00edlem [\u2026]<\/p>","protected":false},"author":1,"featured_media":6341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6339","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 Optimize Sheet Rolling Process? - SC Machinery<\/title>\n<meta name=\"description\" content=\"How to optimize metal sheet rolling process? 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