{"id":3147,"date":"2024-07-22T01:18:00","date_gmt":"2024-07-22T01:18:00","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=3147"},"modified":"2024-07-31T02:27:45","modified_gmt":"2024-07-31T02:27:45","slug":"comprehensive-introduction-sheet-metal-bending","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/pt\/comprehensive-introduction-sheet-metal-bending\/","title":{"rendered":"Introdu\u00e7\u00e3o abrangente: dobra de chapa met\u00e1lica"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3147\" class=\"elementor elementor-3147\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13dd10f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13dd10f\" 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 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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\t\u00cdndice\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__baf691f\" aria-expanded=\"true\" aria-label=\"Abrir \u00edndice\"><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__baf691f\" aria-expanded=\"true\" aria-label=\"Fechar \u00edndice\"><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__baf691f\" 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<div class=\"elementor-element elementor-element-789e3cb elementor-widget elementor-widget-text-editor\" data-id=\"789e3cb\" 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>A dobra de chapa met\u00e1lica (\u00e0s vezes chamada de flangeamento de chapa met\u00e1lica) \u00e9 uma das t\u00e9cnicas mais importantes e amplamente utilizadas na fabrica\u00e7\u00e3o de chapas met\u00e1licas.<\/p><p>A dobra de chapa met\u00e1lica permite que os fabricantes transformem uma pe\u00e7a reta de chapa met\u00e1lica em um componente angular, o que \u00e9 mais econ\u00f4mico do que soldar ou fixar duas pe\u00e7as separadas.<\/p><p>A dobra de chapa met\u00e1lica normalmente funciona aplicando for\u00e7a \u00e0 chapa met\u00e1lica de uma forma que causa deforma\u00e7\u00e3o permanente. No entanto, existem muitos m\u00e9todos de dobra e m\u00e1quinas de dobra diferentes que podem ser usados para obter os melhores resultados.<\/p><p>Este artigo serve como uma introdu\u00e7\u00e3o \u00e0 dobra de chapas met\u00e1licas, apresentando o conhecimento b\u00e1sico de dobra, equipamentos t\u00edpicos de dobra, tipos de dobra de chapas met\u00e1licas e precau\u00e7\u00f5es t\u00e9cnicas, como toler\u00e2ncia de dobra e rebote.<\/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-c937f6d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c937f6d\" 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 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var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 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-6726eae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6726eae\" 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-5f41546\" data-id=\"5f41546\" 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-ef5ac1f elementor-widget elementor-widget-heading\" data-id=\"ef5ac1f\" 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\">O que \u00e9 dobra de chapa met\u00e1lica?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6552277 elementor-widget elementor-widget-text-editor\" data-id=\"6552277\" 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>A dobra de chapa met\u00e1lica \u00e9 uma t\u00e9cnica de processamento de metal usada para transformar pe\u00e7as planas de chapa met\u00e1lica em formato de V, U ou ranhurado.<\/p><p>Este \u00e9 um processo de fabrica\u00e7\u00e3o importante e conveniente porque dobrar uma placa de metal plana em um novo formato \u00e9 muito mais barato do que processar formas em V, U ou canal a partir de pe\u00e7as s\u00f3lidas ou fundi-las em uma fundi\u00e7\u00e3o. Al\u00e9m disso, as pe\u00e7as produzidas por dobra s\u00e3o mais robustas do que aquelas feitas pela soldagem de duas chapas planas em formato de V.<\/p><p>Muitos tipos de dobra de chapas met\u00e1licas envolvem o uso de m\u00e1quinas chamadas freios, \u00e0s vezes chamadas de dobradeiras ou dobradeiras de chapas met\u00e1licas. A for\u00e7a pode ser aplicada manualmente ou por meio de dispositivos hidr\u00e1ulicos.<\/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-c4d2e6b elementor-widget elementor-widget-heading\" data-id=\"c4d2e6b\" 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\">M\u00e9todos de dobra de chapa met\u00e1lica<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4fbcc4 elementor-widget elementor-widget-text-editor\" data-id=\"f4fbcc4\" 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>Existem v\u00e1rios m\u00e9todos de dobra de chapa met\u00e1lica, todos semelhantes em fun\u00e7\u00e3o, mas diferentes em opera\u00e7\u00e3o. Portanto, conhecer o m\u00e9todo ideal a ser escolhido \u00e9 o primeiro passo que voc\u00ea precisa dar para ter sucesso em seu projeto de conforma\u00e7\u00e3o de chapas met\u00e1licas. Existem v\u00e1rios m\u00e9todos de dobra de chapas met\u00e1licas, todos semelhantes em fun\u00e7\u00e3o, mas diferentes em opera\u00e7\u00e3o. Portanto, conhecer o m\u00e9todo ideal a ser escolhido \u00e9 o primeiro passo que voc\u00ea precisa dar para ter sucesso em seu projeto de conforma\u00e7\u00e3o de chapas met\u00e1licas.<\/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-0ef1f3c elementor-widget elementor-widget-heading\" data-id=\"0ef1f3c\" 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\">Dobra V<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-059a276 elementor-widget elementor-widget-image\" data-id=\"059a276\" 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=\"650\" height=\"326\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/v-bend.jpg\" class=\"attachment-full size-full wp-image-3156\" alt=\"v dobrar\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/v-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/v-bend-300x150.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/v-bend-18x9.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-9cb4764 elementor-widget elementor-widget-text-editor\" data-id=\"9cb4764\" 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>A dobra em V \u00e9 o m\u00e9todo mais comum de dobra de chapa met\u00e1lica. Pun\u00e7\u00e3o e matriz em forma de V utilizados no processo. O pun\u00e7\u00e3o em forma de V for\u00e7a a pe\u00e7a de chapa met\u00e1lica na ranhura \u201cem forma de V\u201d na matriz, formando chapas met\u00e1licas com diferentes \u00e2ngulos de curvatura. Os operadores podem obter \u00e2ngulos de curvatura agudos, obtusos ou de 90\u00b0, dependendo do pun\u00e7\u00e3o em forma de V e do \u00e2ngulo da matriz.<\/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-7c6d432 elementor-widget elementor-widget-heading\" data-id=\"7c6d432\" 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\">Dobra de ar<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b572f4 elementor-widget elementor-widget-image\" data-id=\"9b572f4\" 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=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/air-bend.jpg\" class=\"attachment-full size-full wp-image-3151\" alt=\"curva de ar\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/air-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/air-bend-300x185.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/air-bend-18x12.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-275755a elementor-widget elementor-widget-text-editor\" data-id=\"275755a\" 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>A dobra a ar \u00e9 bastante semelhante ao m\u00e9todo de dobra em V: depende de um pun\u00e7\u00e3o e matriz em forma de V para dobrar chapas met\u00e1licas. Este m\u00e9todo n\u00e3o \u00e9 t\u00e3o preciso quanto outros m\u00e9todos, mas \u00e9 muito flex\u00edvel: pode ser usado para criar dobras em V, U e outras formas. No entanto, ao contr\u00e1rio do processo convencional de dobra em V, o pun\u00e7\u00e3o no m\u00e9todo de dobra a ar n\u00e3o for\u00e7a a folha para o fundo da cavidade. Em vez disso, deixa espa\u00e7o (ou ar) embaixo da chapa, permitindo maior controle do \u00e2ngulo de dobra do que a dobra em V convencional.<\/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-7e6f700 elementor-widget elementor-widget-heading\" data-id=\"7e6f700\" 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\">Dobra Inferior<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5325099 elementor-widget elementor-widget-image\" data-id=\"5325099\" 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=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/bottom-bend.jpg\" class=\"attachment-full size-full wp-image-3152\" alt=\"curvatura inferior\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/bottom-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/bottom-bend-300x185.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/bottom-bend-18x12.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-fdc37a7 elementor-widget elementor-widget-text-editor\" data-id=\"fdc37a7\" 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>Bottoming (ou flex\u00e3o inferior) \u00e9 um tipo de flex\u00e3o em V que tamb\u00e9m resolve o desafio do retorno el\u00e1stico. Envolve deformar a chapa met\u00e1lica na regi\u00e3o de dobra aplicando for\u00e7a adicional atrav\u00e9s da ponta do pun\u00e7\u00e3o ap\u00f3s a conclus\u00e3o da dobra. Durante o processo de assentamento, o pun\u00e7\u00e3o pressiona completamente a placa met\u00e1lica no molde, formando uma curva que corresponde \u00e0 forma geom\u00e9trica dentro do molde.<\/p><p>Assim como o m\u00e9todo de flex\u00e3o a ar, o bottoming oferece um controle preciso do \u00e2ngulo de curvatura. No entanto, a dobra a ar requer uma for\u00e7a de press\u00e3o maior do que a necess\u00e1ria para a dobra inferior.<\/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-809764a elementor-widget elementor-widget-heading\" data-id=\"809764a\" 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\">Dobra de borda<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7460735 elementor-widget elementor-widget-image\" data-id=\"7460735\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"327\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/edge-bend.jpg\" class=\"attachment-full size-full wp-image-3153\" alt=\"curvatura da borda\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/edge-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/edge-bend-300x151.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/edge-bend-18x9.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-68d7f6d elementor-widget elementor-widget-text-editor\" data-id=\"68d7f6d\" 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>Este m\u00e9todo \u00e9 usado em <strong><b>curvatura do painel<\/b><\/strong><strong><b>er<\/b><\/strong>\u00a0e envolve o uso de moldes superiores e inferiores que se movem para cima e para baixo para dobrar. Geralmente \u00e9 usado para chapas de metal mais curtas para reduzir a nitidez e evitar danos \u00e0 borda dobrada.<\/p><p>No m\u00e9todo de dobra de borda, a chapa met\u00e1lica \u00e9 mantida contra uma matriz por uma almofada de press\u00e3o. O pun\u00e7\u00e3o ent\u00e3o for\u00e7a a borda da folha que se estende al\u00e9m da matriz e da almofada de press\u00e3o, fazendo com que ela se dobre na extremidade da matriz.<\/p><p>Este m\u00e9todo oferece uma boa vantagem mec\u00e2nica\u3161o que significa que permite aplicar menos for\u00e7a para criar dobras desejadas (e \u00e2ngulos de dobra).<\/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-56a7c49 elementor-widget elementor-widget-heading\" data-id=\"56a7c49\" 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\">Dobragem de rolo<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2bc2f14 elementor-widget elementor-widget-image\" data-id=\"2bc2f14\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"356\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/roll-bend.jpg\" class=\"attachment-full size-full wp-image-3154\" alt=\"curvatura do rolo\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/roll-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/roll-bend-300x164.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/roll-bend-18x10.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-0999cd8 elementor-widget elementor-widget-text-editor\" data-id=\"0999cd8\" 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>O m\u00e9todo de dobra por rolo permite dobrar chapas met\u00e1licas em rolos, tubos, cones ou formas curvas. Este processo exclusivo de conforma\u00e7\u00e3o de chapa met\u00e1lica utiliza conjuntos de rolos que alimentam (e dobram) o material met\u00e1lico at\u00e9 a curvatura desejada.<\/p><p>Este processo \u00e9 utilizado para dobrar pe\u00e7as com grandes ondula\u00e7\u00f5es e envolve a utiliza\u00e7\u00e3o de tr\u00eas rolos acionados por sistema hidr\u00e1ulico para dobrar a chapa.<\/p><p>O m\u00e9todo de dobra de rolo pode ser processado pela m\u00e1quina dobradeira de placa de 4 rolos ou pela m\u00e1quina dobradeira de placa de 3 rolos.<\/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-1793531 elementor-widget elementor-widget-heading\" data-id=\"1793531\" 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\">Dobragem Rotativa<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ef72bf elementor-widget elementor-widget-image\" data-id=\"9ef72bf\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/rotary-bend.jpg\" class=\"attachment-full size-full wp-image-3155\" alt=\"curva rotativa\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/rotary-bend.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/rotary-bend-300x185.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/07\/rotary-bend-18x12.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-d81ba4e elementor-widget elementor-widget-text-editor\" data-id=\"d81ba4e\" 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>A dobra rotativa pode dobrar chapas met\u00e1licas com um grau superior a 90. O perfil final \u00e9 semelhante a uma dobra em V, mas a superf\u00edcie do perfil \u00e9 mais lisa. Na dobra rotativa, a chapa met\u00e1lica \u00e9 fixada em uma matriz rotativa e desenhada ao redor da matriz para formar uma geometria cujo raio corresponda ao raio de curvatura desejado. Este m\u00e9todo geralmente adota um mandril de suporte interno para evitar enrugamento na parede da chapa dobrada.<\/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-ae6cace elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ae6cace\" 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-f7baddb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f7baddb\" 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-912a56a\" data-id=\"912a56a\" 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-30fea36 elementor-widget elementor-widget-heading\" data-id=\"30fea36\" 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\">M\u00e1quinas para dobrar chapas met\u00e1licas<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f8a2ae elementor-widget elementor-widget-heading\" data-id=\"7f8a2ae\" 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\"><a href=\"https:\/\/www.shen-chong.com\/pt\/pressione-o-freio\/\" target=\"_blank\">Prensa dobradeira hidr\u00e1ulica<\/a><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de85122 elementor-widget elementor-widget-image\" data-id=\"de85122\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/hybrid-servo-press-brake-for-sale.jpg\" class=\"attachment-full size-full wp-image-1429\" alt=\"Prensa dobradeira servo h\u00edbrida para venda\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/hybrid-servo-press-brake-for-sale.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/hybrid-servo-press-brake-for-sale-300x185.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-c142034 elementor-widget elementor-widget-text-editor\" data-id=\"c142034\" 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>A prensa dobradeira hidr\u00e1ulica \u00e9 um dos equipamentos mais importantes para dobrar e conformar pe\u00e7as na ind\u00fastria de chapas met\u00e1licas. Sua fun\u00e7\u00e3o \u00e9 dobrar placas de a\u00e7o em v\u00e1rios formatos de pe\u00e7as de acordo com os requisitos do processo.<\/p><p>A prensa dobradeira \u00e9 um tipo de m\u00e1quina dobradeira de chapa que usa um pun\u00e7\u00e3o superior m\u00f3vel e uma matriz inferior correspondente. Durante o processo de dobra, a placa de metal \u00e9 colocada na matriz inferior e o pun\u00e7\u00e3o \u00e9 movido \u00e0 for\u00e7a para dentro do metal, for\u00e7ando-o para o entalhe inferior da matriz. De acordo com o formato da matriz inferior, uma prensa dobradeira pode ser usada para produzir curvas em forma de V, curvas em forma de U e outras formas. A prensa dobradeira hidr\u00e1ulica pode atender \u00e0s necessidades de v\u00e1rias pe\u00e7as de trabalho, substituindo as ferramentas da prensa dobradeira.<\/p><p>As m\u00e1quinas de freio de flex\u00e3o hidr\u00e1ulica podem ser divididas em sincroniza\u00e7\u00e3o de eixo de tor\u00e7\u00e3o e sincroniza\u00e7\u00e3o eletro-hidr\u00e1ulica de acordo com os m\u00e9todos de sincroniza\u00e7\u00e3o. A prensa dobradeira mais sofisticada atualmente no mercado \u00e9 a prensa dobradeira servo-h\u00edbrida.<\/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-0b428c1 elementor-widget elementor-widget-heading\" data-id=\"0b428c1\" 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\"><a href=\"https:\/\/www.shen-chong.com\/pt\/dobrador-de-painel\/\" target=\"_blank\">Dobrador de painel<\/a><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5a052e elementor-widget elementor-widget-image\" data-id=\"b5a052e\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/automatic-panel-bending-center.jpg\" class=\"attachment-full size-full wp-image-1528\" alt=\"centro autom\u00e1tico de dobra de painel\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/automatic-panel-bending-center.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/automatic-panel-bending-center-300x185.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-57aced3 elementor-widget elementor-widget-text-editor\" data-id=\"57aced3\" 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>O dobrador de painel \u00e9 uma m\u00e1quina usada nas ind\u00fastrias de fabrica\u00e7\u00e3o e processamento para dobrar ou moldar placas de metal em formatos espec\u00edficos. O princ\u00edpio de funcionamento geralmente \u00e9 fixar e posicionar a placa de metal e, em seguida, usar um sistema mec\u00e2nico ou hidr\u00e1ulico para dobrar o metal ao longo de um eixo predeterminado. Os centros de dobra desempenham um papel crucial nas ind\u00fastrias que exigem modelagem precisa e eficiente de formatos de chapas met\u00e1licas, reduzindo a necessidade de trabalho manual e melhorando a qualidade geral dos produtos acabados.<\/p><p>O dobrador de painel pode criar automaticamente m\u00faltiplas dobras para cada lado, incluindo dobras para cima\/para baixo, curvas planas ou curvas. O sistema servo central de dobra de painel flex\u00edvel inteligente adota um sistema servo el\u00e9trico puro de circuito totalmente fechado, que pode suportar liga\u00e7\u00e3o simult\u00e2nea de 16 eixos no limite superior do sistema. No uso real, s\u00e3o usados 9 eixos (11 eixos), o que significa que 9 eixos (11 eixos) s\u00e3o liga\u00e7\u00f5es simult\u00e2neas no sentido pr\u00e1tico. A a\u00e7\u00e3o de flex\u00e3o \u00e9 suave e a coordena\u00e7\u00e3o da opera\u00e7\u00e3o mec\u00e2nica \u00e9 alta. Ele pode completar com sucesso v\u00e1rias combina\u00e7\u00f5es de a\u00e7\u00f5es complexas e a efici\u00eancia geral do trabalho da m\u00e1quina \u00e9 muito alta.<\/p><p>O dobrador de painel flex\u00edvel inteligente adota um molde de dobra universal, que consegue dobrar v\u00e1rios formatos por meio de liga\u00e7\u00e3o paralela de v\u00e1rios eixos e controle servo completo, e pode dobrar v\u00e1rios formatos complexos. Formas complexas que podem ser dobradas em diversas combina\u00e7\u00f5es, como \u00e2ngulos retos, \u00e2ngulos n\u00e3o retos, arcos, dobras superiores e dobras inferiores.<\/p><p>O dobrador de pain\u00e9is concentra-se na solu\u00e7\u00e3o de v\u00e1rios problemas complexos de flex\u00e3o para chapas finas. Pode ser amplamente utilizado no campo de gabinete de a\u00e7o (arm\u00e1rio de arquivo, arm\u00e1rio de ferramentas, tampa externa, gabinete el\u00e9trico, gabinete de comunica\u00e7\u00e3o, gabinete de g\u00e1s, gabinete de medidor de \u00e1gua, etc.), campo de utens\u00edlios de cozinha (geladeira, ar condicionado, fog\u00e3o, etc.) .), m\u00f3veis, ventila\u00e7\u00e3o, refrigera\u00e7\u00e3o, purifica\u00e7\u00e3o, ind\u00fastria de portas, decora\u00e7\u00e3o, elevadores e outros campos de forma\u00e7\u00e3o de metal relacionados, adequados para dobrar diferentes tipos de pe\u00e7as de trabalho.<\/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-31a1e43 elementor-widget elementor-widget-heading\" data-id=\"31a1e43\" 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\"><a href=\"https:\/\/www.shen-chong.com\/pt\/maquina-de-laminacao-de-placas\/\" target=\"_blank\">M\u00e1quina de dobra de rolo<\/a><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e6dc8f elementor-widget elementor-widget-image\" data-id=\"5e6dc8f\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/4-rollers-plate-rolling-machine.jpg\" class=\"attachment-full size-full wp-image-1584\" alt=\"M\u00e1quina laminadora de placas de 4 rolos\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/4-rollers-plate-rolling-machine.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/4-rollers-plate-rolling-machine-300x185.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-775bd21 elementor-widget elementor-widget-text-editor\" data-id=\"775bd21\" 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>Uma laminadora de placas \u00e9 um dispositivo que usa rolos de trabalho para dobrar e moldar chapas met\u00e1licas e pode formar diferentes formatos de pe\u00e7as, como pe\u00e7as cil\u00edndricas e c\u00f4nicas. \u00c9 um equipamento de processamento muito importante. O princ\u00edpio de funcionamento de uma dobradeira de chapas \u00e9 usar for\u00e7as externas, como press\u00e3o hidr\u00e1ulica e for\u00e7a mec\u00e2nica, para mover os rolos de trabalho, dobrando ou formando a chapa met\u00e1lica. Com base no movimento rotacional e nas mudan\u00e7as de posi\u00e7\u00e3o de rolos de trabalho de diferentes formatos, pe\u00e7as el\u00edpticas, em forma de arco, cil\u00edndricas e outras podem ser processadas.<\/p><p>Os tipos de laminadores variam dependendo do campo de utiliza\u00e7\u00e3o. Dividido pelo n\u00famero de rolos, \u00e9 dividido em m\u00e1quina laminadora de placa de tr\u00eas rolos e m\u00e1quina laminadora de placa de quatro rolos. A laminadora de tr\u00eas rolos \u00e9 dividida em m\u00e1quina laminadora de tr\u00eas rolos sim\u00e9trica, m\u00e1quina laminadora de tr\u00eas rolos com ajuste horizontal para baixo, m\u00e1quina laminadora de ajuste curvado para baixo, m\u00e1quina laminadora universal de tr\u00eas rolos de rolo superior e m\u00e1quina laminadora CNC hidr\u00e1ulica. Do ponto de vista da transmiss\u00e3o, pode ser dividida em tipos mec\u00e2nicos e hidr\u00e1ulicos.<\/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-9dcab77 elementor-widget elementor-widget-heading\" data-id=\"9dcab77\" 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\"><a href=\"https:\/\/www.shen-chong.com\/pt\/maquina-de-prensa-hidraulica\/\" target=\"_blank\">M\u00e1quina de press\u00e3o<\/a><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4789631 elementor-widget elementor-widget-image\" data-id=\"4789631\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/Y32-universal-four-column-hydraulic-press.jpg\" class=\"attachment-full size-full wp-image-1746\" alt=\"Prensa hidr\u00e1ulica universal de quatro colunas Y32\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/Y32-universal-four-column-hydraulic-press.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/Y32-universal-four-column-hydraulic-press-300x185.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-b20ab0f elementor-widget elementor-widget-text-editor\" data-id=\"b20ab0f\" 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>Uma prensa refere-se a uma m\u00e1quina de moldagem utilizada para produtos industriais a serem formados por press\u00e3o, geralmente utilizando cilindros hidr\u00e1ulicos, portanto tamb\u00e9m conhecidas como prensas hidr\u00e1ulicas. A prensa \u00e9 o principal equipamento para moldagem por compress\u00e3o e conforma\u00e7\u00e3o de chapas met\u00e1licas, que \u00e9 dividida em estrutura de p\u00f3rtico e estrutura de coluna de acordo com a forma da estrutura de p\u00f3rtico. De acordo com a posi\u00e7\u00e3o do cilindro principal de \u00f3leo de press\u00e3o, a prensa pode ser dividida em tipos de press\u00e3o ascendente e descendente. Para prensar grandes laminados de pl\u00e1stico, pode ser usada uma prensa de press\u00e3o descendente com o cilindro de \u00f3leo na parte inferior, enquanto uma prensa de press\u00e3o ascendente \u00e9 frequentemente usada para prensar pe\u00e7as pl\u00e1sticas em geral. De acordo com o tipo de fluido de trabalho, tamb\u00e9m pode ser dividido em prensas hidr\u00e1ulicas acionadas por \u00f3leo hidr\u00e1ulico e prensas hidr\u00e1ulicas acionadas por emuls\u00f5es \u00f3leo-\u00e1gua.<\/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-e8e7016 elementor-widget elementor-widget-heading\" data-id=\"e8e7016\" 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\"><a href=\"https:\/\/www.shen-chong.com\/pt\/maquina-de-ferreiro-hidraulica\/\" target=\"_blank\">Metal\u00fargico<\/a><\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3aae173 elementor-widget elementor-widget-image\" data-id=\"3aae173\" 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 loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/hydraulic-ironworker-machine.jpg\" class=\"attachment-full size-full wp-image-1768\" alt=\"m\u00e1quina de ferreiro hidr\u00e1ulica\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/hydraulic-ironworker-machine.jpg 960w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/hydraulic-ironworker-machine-300x225.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/02\/hydraulic-ironworker-machine-768x576.jpg 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/>\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-b648626 elementor-widget elementor-widget-text-editor\" data-id=\"b648626\" 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>A m\u00e1quina para ferreiro \u00e9 um equipamento de m\u00e1quina-ferramenta que integra m\u00faltiplas fun\u00e7\u00f5es, como corte de metal, puncionamento, cisalhamento, dobra, etc. Tem as vantagens de f\u00e1cil opera\u00e7\u00e3o, baixo consumo de energia e baixo custo de manuten\u00e7\u00e3o. \u00c9 o equipamento preferido para processamento de metal nas ind\u00fastrias modernas (como metalurgia, pontes, comunica\u00e7\u00e3o, energia, militar, etc.). Os ferreiros s\u00e3o divididos em dois tipos: m\u00e1quinas hidr\u00e1ulicas para ferreiros e m\u00e1quinas mec\u00e2nicas para ferreiros.<\/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-6042113 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6042113\" 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-fdb3b94 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fdb3b94\" 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-a738fde\" data-id=\"a738fde\" 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-543e78f elementor-widget elementor-widget-heading\" data-id=\"543e78f\" 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\">Desafios durante a dobra de chapa met\u00e1lica<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ffe891 elementor-widget elementor-widget-heading\" data-id=\"1ffe891\" 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\">Primavera de volta <\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97d53c2 elementor-widget elementor-widget-text-editor\" data-id=\"97d53c2\" 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>Quando a chapa met\u00e1lica \u00e9 dobrada em uma nova forma, ela retornar\u00e1 naturalmente at\u00e9 certo ponto ap\u00f3s a remo\u00e7\u00e3o da for\u00e7a de flex\u00e3o. Isso \u00e9 chamado de &#039;retorno el\u00e1stico&#039;.<\/p><p>Devido \u00e0 resist\u00eancia \u00e0 compress\u00e3o das placas met\u00e1licas dobradas, pode ocorrer retorno el\u00e1stico. Durante a flex\u00e3o de chapas met\u00e1licas, um lado est\u00e1 sujeito \u00e0 tens\u00e3o, enquanto o outro lado est\u00e1 sujeito \u00e0 compress\u00e3o. No entanto, devido \u00e0 maior resist\u00eancia \u00e0 compress\u00e3o do que \u00e0 resist\u00eancia \u00e0 tra\u00e7\u00e3o do material, o lado comprimido resiste com sucesso \u00e0 deforma\u00e7\u00e3o e se autodescomprime ap\u00f3s a remo\u00e7\u00e3o da for\u00e7a.<\/p><p>Springback n\u00e3o \u00e9 o problema principal, mas significa que os fabricantes devem compensar a recupera\u00e7\u00e3o esperada dobrando excessivamente a placa met\u00e1lica. Se o metal dobrar intencionalmente um pouco excessivamente, uma pequena quantidade de rebote natural resultar\u00e1 no \u00e2ngulo correto.<\/p><p>\u00c9 claro que calcular o retorno el\u00e1stico est\u00e1 longe de ser simples e h\u00e1 diversas vari\u00e1veis que podem afetar a severidade do retorno el\u00e1stico da chapa met\u00e1lica, incluindo o tipo e as especifica\u00e7\u00f5es do material. Al\u00e9m disso, um raio interno maior resultar\u00e1 em maior retorno el\u00e1stico.<\/p><p>O retorno el\u00e1stico de uma placa met\u00e1lica \u00e9 proporcional ao limite de escoamento do material e inversamente proporcional ao seu m\u00f3dulo de elasticidade. O a\u00e7o com baixo teor de carbono tem menos retorno el\u00e1stico e \u00e9 ideal para pe\u00e7as de alta precis\u00e3o, enquanto o a\u00e7o com alto teor de carbono e o a\u00e7o inoxid\u00e1vel t\u00eam um retorno el\u00e1stico significativo. Quanto maior o raio de curvatura, maior ser\u00e1 o retorno el\u00e1stico. Raios de curvatura menores resultam em maior precis\u00e3o.<\/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-09c3ed7 elementor-widget elementor-widget-heading\" data-id=\"09c3ed7\" 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\">Toler\u00e2ncia de flex\u00e3o<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6491b1 elementor-widget elementor-widget-text-editor\" data-id=\"e6491b1\" 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>Ao dobrar uma placa de metal, o lado externo da placa ser\u00e1 alongado, resultando em uma altera\u00e7\u00e3o em seu comprimento. Isto significa, por exemplo, que o comprimento total dos dois lados dobrados em forma de V ser\u00e1 maior que o comprimento original da chapa.<\/p><p>Ent\u00e3o, se o tamanho mudar, como podemos projetar com precis\u00e3o uma pe\u00e7a para garantir que ela se encaixe em outros componentes? Como determinamos o comprimento que uma folha de metal deve ter? Para compensar a varia\u00e7\u00e3o de tamanho, devemos considerar a margem de flex\u00e3o: a diferen\u00e7a entre o comprimento da placa n\u00e3o dobrada e a soma dos comprimentos de cada lado da placa dobrada acabada.<\/p><p>O c\u00e1lculo da toler\u00e2ncia de dobra considerar\u00e1 fatores como espessura da chapa met\u00e1lica, raio de curvatura e \u00e2ngulo de curvatura. A calculadora do coeficiente de flex\u00e3o pode ser usada para calcular o coeficiente de flex\u00e3o necess\u00e1rio para pe\u00e7as de chapa met\u00e1lica.<\/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-70e21f6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"70e21f6\" 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-18b6dcb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18b6dcb\" 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-fba42f8\" data-id=\"fba42f8\" 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-8cd2d12 elementor-widget elementor-widget-heading\" data-id=\"8cd2d12\" 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\">Melhor material e medidor para dobra de chapa met\u00e1lica<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fe313e elementor-widget elementor-widget-text-editor\" data-id=\"2fe313e\" 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>Alguns materiais de chapa met\u00e1lica s\u00e3o mais adequados para dobra do que outros. De modo geral, o melhor material para flex\u00e3o \u00e9 d\u00factil e n\u00e3o quebradi\u00e7o.<\/p><p>Os materiais comumente usados para dobra de chapas met\u00e1licas incluem:<\/p><ul><li>A\u00e7o de baixo carbono: pode ser dobrado em qualquer temperatura.<\/li><li>A\u00e7o mola: pode dobrar ap\u00f3s o recozimento.<\/li><li>Liga de a\u00e7o 4140: dobr\u00e1vel ap\u00f3s recozimento.<\/li><li>Alum\u00ednio 5052: Comparado com outras ligas de alum\u00ednio, possui um alto grau de dobrabilidade.<\/li><li>Cobre: Altamente flex\u00edvel.<\/li><\/ul><p>Os materiais que s\u00e3o mais dif\u00edceis de dobrar (embora n\u00e3o imposs\u00edveis) incluem alum\u00ednio 6061, tit\u00e2nio, lat\u00e3o e bronze.<\/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-095cc29 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"095cc29\" 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-6a83a84\" data-id=\"6a83a84\" 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-1155f1a elementor-widget elementor-widget-heading\" data-id=\"1155f1a\" 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\">Conclus\u00e3o<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cee5a29 elementor-widget elementor-widget-text-editor\" data-id=\"cee5a29\" 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>Este artigo apresenta o conhecimento b\u00e1sico sobre dobra de chapas met\u00e1licas. A dobra de chapas met\u00e1licas pode ser obtida usando v\u00e1rias m\u00e1quinas, incluindo dobradeiras, prensas hidr\u00e1ulicas, dobradeiras de pain\u00e9is e ferragens. A SC Machinery \u00e9 uma fornecedora l\u00edder de servi\u00e7os de conforma\u00e7\u00e3o de chapas met\u00e1licas em toda a \u00c1sia. Oferecemos servi\u00e7os de dobra de alta qualidade para empresas que atendem uma ampla gama de ind\u00fastrias.\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-64041ed elementor-widget elementor-widget-text-editor\" data-id=\"64041ed\" 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>Artigos relacionados:<\/strong><\/p><p><a href=\"https:\/\/www.shen-chong.com\/pt\/what-are-the-k-factor-bend-allowance-and-bend-deduction\/\" target=\"_blank\" rel=\"noopener\">O que s\u00e3o o fator K, a toler\u00e2ncia de curvatura e a dedu\u00e7\u00e3o de curvatura?<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/pt\/all-you-need-to-know-about-sheet-metal-gauge\/\" target=\"_blank\" rel=\"noopener\">Tudo o que voc\u00ea precisa saber sobre medidor de chapa met\u00e1lica<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/pt\/ultimate-guide-what-is-a-panel-bender\/\" target=\"_blank\" rel=\"noopener\">Guia definitivo: o que \u00e9 um dobrador de painel<\/a><\/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>\u00cdndice A dobra de chapa met\u00e1lica (\u00e0s vezes chamada de flangeamento de chapa met\u00e1lica) \u00e9 uma das t\u00e9cnicas mais importantes e amplamente utilizadas na fabrica\u00e7\u00e3o de chapa met\u00e1lica. A dobra de chapa met\u00e1lica permite que os fabricantes transformem uma pe\u00e7a reta de chapa met\u00e1lica em um componente angular, o que \u00e9 mais econ\u00f4mico do que soldar ou fixar duas pe\u00e7as separadas. [\u2026]<\/p>","protected":false},"author":1,"featured_media":3149,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3147","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>Comprehensive Introduction:\u00a0Sheet Metal Bending - SC Machinery<\/title>\n<meta name=\"description\" content=\"Sheet metal bending can turn a sheet metal into an angled workpiece, which is one of the most widely used techniques in metal manufacturing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.shen-chong.com\/pt\/comprehensive-introduction-sheet-metal-bending\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comprehensive Introduction:\u00a0Sheet Metal Bending - 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