{"id":28159,"date":"2025-11-27T18:36:03","date_gmt":"2025-11-27T17:36:03","guid":{"rendered":"https:\/\/factureestage.wpengine.com\/?p=28159"},"modified":"2025-12-16T15:45:58","modified_gmt":"2025-12-16T14:45:58","slug":"sheet-metal-bending-basics-tips","status":"publish","type":"post","link":"https:\/\/www.facturee.de\/en\/blechbiegen-grundlagen-tipps\/","title":{"rendered":"Sheet metal bending: Basics &amp; tips"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"28159\" class=\"elementor elementor-28159\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7bd4066 e-flex e-con-boxed e-con e-parent\" data-id=\"7bd4066\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5249820 elementor-widget elementor-widget-heading\" data-id=\"5249820\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Table of contents<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a331da elementor-widget elementor-widget-text-editor\" data-id=\"5a331da\" data-element_type=\"widget\" data-e-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\t\t<ol><li><a href=\"#funktionblechbiegen\">How does sheet metal bending work?<\/a><\/li><li><a href=\"#blechbiegeprozess\">How does the bending process work?<\/a><\/li><li><a href=\"#dingebeachtenbiegen\">What do you need to consider when bending sheet metal?<\/a><\/li><li><a href=\"#biegeverfahren\">Important bending processes at a glance<\/a><\/li><li><a href=\"#toleranzenblechbiegen\">Tolerances for bent parts: What is achievable?<\/a><\/li><li><a href=\"#anwendungsbereicheblechbiegen\" data-wplink-edit=\"true\">What are the areas of application for bent sheet metal?<\/a><\/li><\/ol>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-50db2d1 e-flex e-con-boxed e-con e-parent\" data-id=\"50db2d1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7754c87 elementor-widget elementor-widget-spacer\" data-id=\"7754c87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3480cb8 e-flex e-con-boxed e-con e-parent\" data-id=\"3480cb8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc81c05 elementor-widget elementor-widget-text-editor\" data-id=\"bc81c05\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Sheet metal bending is one of the most important processes in modern sheet metal processing - whether for simple housings or complex precision parts. As a forming process, it enables the economical production of stable, functional components without material loss. However, in order to ensure dimensional accuracy, process reliability and repeatability, numerous technical factors need to be taken into account when bending sheet metal: from the choice of bending radius and springback to the design suitable for production. This article provides a practical overview of the basics, processes, tolerances and typical sources of error - so that your next sheet metal part fits right first time.<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-267a885 e-flex e-con-boxed e-con e-parent\" data-id=\"267a885\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-447b547 funktionblechbiegen elementor-widget elementor-widget-heading\" data-id=\"447b547\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"funktionblechbiegen\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How does sheet metal bending work?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67b5ea0 e-flex e-con-boxed e-con e-parent\" data-id=\"67b5ea0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf9a0b3 elementor-widget elementor-widget-text-editor\" data-id=\"bf9a0b3\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Sheet metal bending is a central forming process in metal processing. It is often also referred to as bending. The aim is to plastically deform a flat sheet by applying mechanical force.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">The aim is to create a desired angle or bend. In this process, the sheet metal is formed into the desired shape.<\/span><\/p><p><span style=\"font-weight: 400;\">In contrast to <\/span><a href=\"https:\/\/www.facturee.de\/en\/services\/cnc-machining\/\"><span style=\"font-weight: 400;\">machining processes<\/span><\/a><span style=\"font-weight: 400;\"> (such as milling or drilling), no material is removed during bending. Instead, the fiber structure of the metal is rearranged at the bending point. The outer side (outer bending zone) is stretched, while the inner side (inner bending zone) is compressed.<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e94721f e-flex e-con-boxed e-con e-parent\" data-id=\"e94721f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f136068 elementor-widget elementor-widget-spacer\" data-id=\"f136068\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8539b7a e-flex e-con-boxed e-con e-parent\" data-id=\"8539b7a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46d691f elementor-widget elementor-widget-heading\" data-id=\"46d691f\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"blechbiegeprozess\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How does the bending process work?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30fcf27 e-flex e-con-boxed e-con e-parent\" data-id=\"30fcf27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e3a1bd1 elementor-widget elementor-widget-text-editor\" data-id=\"e3a1bd1\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">The most common bending process is die bending on a press brake. The process is relatively simple, but precise and powerful:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Insert:<\/b><span style=\"font-weight: 400;\"> The metal sheet is placed on a V-shaped opening that <\/span><b>Die<\/b><span style=\"font-weight: 400;\"> (also known as a swage).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bending:<\/b><span style=\"font-weight: 400;\"> The <\/span><b>Stamp<\/b><span style=\"font-weight: 400;\">l moves from top to bottom and presses the sheet into the die at high pressure.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reshaping:<\/b><span style=\"font-weight: 400;\"> The sheet is forced to take on the shape between the punch and die, creating the desired angle.<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">The resulting angle changes depending on the depth to which the punch is inserted into the die.<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a41059 e-flex e-con-boxed e-con e-parent\" data-id=\"7a41059\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cabb6ba elementor-widget elementor-widget-image\" data-id=\"cabb6ba\" data-element_type=\"widget\" data-e-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\t\t<img loading=\"lazy\" width=\"1024\" height=\"512\" src=\"https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN.png\" class=\"attachment-large size-large wp-image-28165\" alt=\"Schematic diagram showing the die bending (folding) process. Left: A flat sheet lies on a V-shaped die before the punch presses on it (&quot;before&quot;). Right: The punch has pressed the sheet into the die and bent it into an angle (&quot;after&quot;). The FACTUREE logo is visible in the top right-hand corner.\" srcset=\"https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN.png 1200w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-300x150.png 300w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-1024x512.png 1024w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-768x384.png 768w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-190x95.png 190w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-18x9.png 18w, https:\/\/www.facturee.de\/wp-content\/uploads\/We-funktioniert-blech-biegen-_EN-800x400.png 800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" >\t\t\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d704121 e-flex e-con-boxed e-con e-parent\" data-id=\"d704121\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12e5433 elementor-widget elementor-widget-spacer\" data-id=\"12e5433\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d8615bd e-flex e-con-boxed e-con e-parent\" data-id=\"d8615bd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-991022c elementor-widget elementor-widget-heading\" data-id=\"991022c\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"dingebeachtenbiegen\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What do you need to consider when bending sheet metal?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c89abb1 e-flex e-con-boxed e-con e-parent\" data-id=\"c89abb1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ad74b9 elementor-widget elementor-widget-text-editor\" data-id=\"9ad74b9\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">In order to obtain precise and complex geometries, three physical phenomena must be understood and controlled. In particular, if you <\/span><b>Sheet metal bending<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e535499 e-flex e-con-boxed e-con e-parent\" data-id=\"e535499\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f94cc59 elementor-widget elementor-widget-n-accordion\" data-id=\"f94cc59\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2610\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2610\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> The minimum bending radius: avoid cracks <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2610\" class=\"elementor-element elementor-element-44a55eb e-con-full e-flex e-con e-child\" data-id=\"44a55eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2610\" class=\"elementor-element elementor-element-9c63aec e-flex e-con-boxed e-con e-child\" data-id=\"9c63aec\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9e2485 elementor-widget elementor-widget-text-editor\" data-id=\"d9e2485\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">It is not possible to edge a metal sheet to any sharpness. Every material has a <\/span><b>Minimum bending radius<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Definition:<\/b><span style=\"font-weight: 400;\"> This is the smallest inner radius with which a sheet can be bent without fine cracks appearing on the outside of the bend or the material breaking.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>What does it depend on?<\/b><span style=\"font-weight: 400;\"> The minimum bending radius is primarily dependent on two things:<\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><b>Material:<\/b><span style=\"font-weight: 400;\"> Brittle, hard materials (e.g. high-strength steel, some aluminum alloys) require a larger radius than soft materials (e.g. copper, mild steel).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><b>Sheet thickness:<\/b><span style=\"font-weight: 400;\"> The thicker the sheet, the larger the minimum bending radius must be.<\/span><\/li><\/ul><\/li><\/ul>\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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2611\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2611\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> The springback: Hitting the exact angle <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2611\" class=\"elementor-element elementor-element-4c201be e-con-full e-flex e-con e-child\" data-id=\"4c201be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2611\" class=\"elementor-element elementor-element-470fd20 e-flex e-con-boxed e-con e-child\" data-id=\"470fd20\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-249a877 elementor-widget elementor-widget-text-editor\" data-id=\"249a877\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Metal is elastic. After the bending force is removed, the material \u201eremembers\u201c its original shape and springs back a little. This behavior is called <\/span><b>Springback<\/b><span style=\"font-weight: 400;\"> (or \u201eSpringback\u201c).<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Problem:<\/b><span style=\"font-weight: 400;\"> If you need an exact 90\u00b0 angle, but the material springs back by 2\u00b0, you will only get a 92\u00b0 angle.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Solution:<\/b><span style=\"font-weight: 400;\"> In order to achieve the Zi angle (e.g. 90\u00b0), the sheet metal must be \u201eoverbent\u201c (in the example, to 88\u00b0). Modern CNC press brakes calculate this overbending angle automatically in order to precisely compensate for springback.<\/span><\/li><\/ul>\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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2612\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2612\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> The compensation value (bending shortening) <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2612\" class=\"elementor-element elementor-element-0d2f800 e-con-full e-flex e-con e-child\" data-id=\"0d2f800\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2612\" class=\"elementor-element elementor-element-144a1ce e-flex e-con-boxed e-con e-child\" data-id=\"144a1ce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c93f57f elementor-widget elementor-widget-text-editor\" data-id=\"c93f57f\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">As the material is stretched on the outside and compressed on the inside, the \u201estretched length\u201c of the sheet before bending (the cut) is not simply the sum of the leg lengths.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Definition:<\/b><span style=\"font-weight: 400;\"> The compensation value (also bend shortening or correction value) is the value that is subtracted from the sum of the external dimensions (or added to the sum of the internal dimensions) to obtain the exact cut length (unwinding).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Calculation:<\/b><span> This value is usually calculated using the so-called <\/span><b>k-factor<\/b><span> which describes the position of the \u201eneutral fiber\u201c (the zone that is neither stretched nor compressed).<\/span><\/li><\/ul>\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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9010091 e-flex e-con-boxed e-con e-parent\" data-id=\"9010091\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f8dce37 elementor-widget elementor-widget-spacer\" data-id=\"f8dce37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4c91be e-flex e-con-boxed e-con e-parent\" data-id=\"f4c91be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b427575 elementor-widget elementor-widget-heading\" data-id=\"b427575\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"biegeverfahren\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Important bending processes at a glance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b7ab33e e-flex e-con-boxed e-con e-parent\" data-id=\"b7ab33e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4e23b8 elementor-widget elementor-widget-text-editor\" data-id=\"c4e23b8\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Although die bending is the most commonly used method, there are different processes and machines depending on the requirements.<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3a958b3 e-flex e-con-boxed e-con e-parent\" data-id=\"3a958b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c0dc853 elementor-widget elementor-widget-text-editor\" data-id=\"c0dc853\" data-element_type=\"widget\" data-e-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\t\t<style>\n  table.blue-border-table, table.blue-border-table th, table.blue-border-table td {\n    border: 1px solid #0b5e82; \/* Setzt die Rahmenfarbe *\/\n    border-collapse: collapse; \/* L\u00e4sst die Rahmen zusammenlaufen *\/\n  }\n<\/style>\n\n<table class=\"blue-border-table\">\n<tbody>\n<tr>\n<td><b>Procedure<\/b><\/td>\n<td><b>Machine<\/b><\/td>\n<td><b>Process description<\/b><\/td>\n<td><b>Advantage<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Die bending<\/b><\/td>\n<td>Press brake<\/td>\n<td>Punch presses sheet metal into a V-die. A distinction is made between <b>Free bending<\/b> (flexible, low force) and <b>Embossing-bending<\/b> (high force, very precise).<\/td>\n<td>Very fast, precise, economical for series production.<\/td>\n<\/tr>\n<tr>\n<td><b>Swivel bending<\/b><\/td>\n<td>Swivel bending machine<\/td>\n<td>Sheet metal is clamped, a \u201ebending beam\u201c moves upwards and bends the free leg.<\/td>\n<td>Very gentle on surfaces (no rubbing against a die), ideal for large, bulky parts.<\/td>\n<\/tr>\n<tr>\n<td><b>Wipe bending<\/b><\/td>\n<td>Press brake (special tool)<\/td>\n<td>The sheet is held in place and the punch \u201ewipes\u201c along the sheet to bend it around the edge of the die.<\/td>\n<td>Good for very sharp edges (small radii).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a125bff e-flex e-con-boxed e-con e-parent\" data-id=\"a125bff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-295d0d8 elementor-widget elementor-widget-spacer\" data-id=\"295d0d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47ef966 e-flex e-con-boxed e-con e-parent\" data-id=\"47ef966\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-991ee30 elementor-widget elementor-widget-heading\" data-id=\"991ee30\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"toleranzenblechbiegen\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tolerances for bent parts: What is achievable?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23d63ff e-flex e-con-boxed e-con e-parent\" data-id=\"23d63ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c53d16 elementor-widget elementor-widget-text-editor\" data-id=\"0c53d16\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Tolerances for bent parts define the permissible deviation of the component from the exact nominal dimension. As bending is a <\/span><b>Forming process<\/b><span style=\"font-weight: 400;\"> the achievable tolerances are naturally greater than with machining processes (such as milling). The two biggest challenges for precision are the variable <\/span><b>Springback<\/b><span style=\"font-weight: 400;\"> (springback) of the material and light <\/span><b>Fluctuations in the sheet thickness<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dc4c63e e-flex e-con-boxed e-con e-parent\" data-id=\"dc4c63e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dd3a301 elementor-widget elementor-widget-text-editor\" data-id=\"dd3a301\" data-element_type=\"widget\" data-e-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\t\t<h3><span style=\"font-weight: 400;\">Important tolerance types and standard values<\/span><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Angle tolerances:<\/b><span style=\"font-weight: 400;\"> This is the most important parameter. It indicates how much the finished angle (e.g. 90\u00b0) may deviate.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Length tolerances (leg dimensions):<\/b><span style=\"font-weight: 400;\"> Refers to the length of a bent leg or the distance between two bends. <\/span><b>Attention:<\/b><span> These length tolerances can add up for parts with several bends.<\/span><\/li><\/ul>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-38632ec e-flex e-con-boxed e-con e-parent\" data-id=\"38632ec\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39761f0 elementor-widget elementor-widget-text-editor\" data-id=\"39761f0\" data-element_type=\"widget\" data-e-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\t\t<h3><span style=\"font-weight: 400;\">Standards and influencing factors<\/span><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Relevant standard:<\/b><span style=\"font-weight: 400;\"> The correct standard for bending tolerances is DIN EN ISO 2768-2 (cold-formed edge parts), which defines different tolerance classes (e.g. \u201enormal\u201c and \u201efine\u201c).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Most important influencing factors:<\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><b>Machine:<\/b><span style=\"font-weight: 400;\"> Modern CNC press brakes with integrated angle measuring systems (laser or probe) achieve the tightest tolerances.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><b>Material:<\/b><span style=\"font-weight: 400;\"> A consistent material batch (thickness, strength) is crucial for constant springback.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><b>Tool:<\/b><span style=\"font-weight: 400;\"> The condition and precision of the punch and die are critical.<\/span><\/li><\/ul><\/li><\/ul>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ad42783 e-flex e-con-boxed e-con e-parent\" data-id=\"ad42783\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6265eb elementor-widget elementor-widget-spacer\" data-id=\"b6265eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ec9014d e-flex e-con-boxed e-con e-parent\" data-id=\"ec9014d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9587c65 elementor-widget elementor-widget-heading\" data-id=\"9587c65\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"anwendungsbereicheblechbiegen\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What are the areas of application for bent sheet metal?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d16322 e-flex e-con-boxed e-con e-parent\" data-id=\"6d16322\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b22b769 elementor-widget elementor-widget-text-editor\" data-id=\"b22b769\" data-element_type=\"widget\" data-e-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\t\t<p><span style=\"font-weight: 400;\">Bent sheet metal parts are ubiquitous due to their stability and cost-effectiveness.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Housing construction:<\/b><span style=\"font-weight: 400;\"> Switch cabinets, computer housings, cladding for machines.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vehicle construction:<\/b><span style=\"font-weight: 400;\"> Body parts, frames, brackets.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Household appliances:<\/b><span style=\"font-weight: 400;\"> Housing for washing machines, refrigerators, ovens.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Architecture:<\/b><span style=\"font-weight: 400;\"> Facade elements, roof profiles, window sills.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>furniture industry:<\/b><span style=\"font-weight: 400;\"> Metal shelves, table frames, design elements.<\/span><\/li><\/ul>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1a95ff2 e-flex e-con-boxed e-con e-parent\" data-id=\"1a95ff2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad989d5 elementor-widget elementor-widget-spacer\" data-id=\"ad989d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Inhaltsverzeichnis Wie funktioniert das Biegen von Blech? Wie funktioniert der Biegeprozess? Was muss man beim Blechbiegen beachten? Wichtige Biegeverfahren im [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":28161,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[7],"tags":[],"class_list":["post-28159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Blechbiegen: Grundlagen &amp; Tipps<\/title>\n<meta name=\"description\" content=\"Die Blechbiegen-Grundlagen: Erfahren Sie alles \u00fcber Biegeradius, Biegeverfahren, und Konstruktionstipps. 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