{"id":6087899,"date":"2026-05-29T09:42:25","date_gmt":"2026-05-29T07:42:25","guid":{"rendered":"https:\/\/boeck-technology.de\/?page_id=6087899"},"modified":"2026-05-29T09:42:25","modified_gmt":"2026-05-29T07:42:25","slug":"secondary-ridge","status":"publish","type":"page","link":"https:\/\/staging.boeck-technology.de\/en\/glossar\/blech\/sekundaergrat\/","title":{"rendered":"secondary burr."},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"6087899\" class=\"elementor elementor-6087899\" data-elementor-post-type=\"page\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-36f383a1 process-line wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"36f383a1\" 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<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"wd-negative-gap elementor-element elementor-element-44fcd0ed e-flex e-con-boxed e-con e-child\" data-id=\"44fcd0ed\" 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-3701fff4 elementor-widget__width-auto tfc-scoreboard elementor-widget elementor-widget-heading\" data-id=\"3701fff4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">secondary burr.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7747dbed color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"7747dbed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0Secondary burr refers to material build-up or displacement at workpiece edges that can occur during subsequent machining processes. <br \/>The cause is often plastic material deformation or uncontrolled tool intervention.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"wd-negative-gap elementor-element elementor-element-85f34c4 wd-section-stretch e-flex e-con-boxed e-con e-child\" data-id=\"85f34c4\" 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-6214da3e elementor-widget elementor-widget-html\" data-id=\"6214da3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<section class=\"boeck-glossar-entry\">\r\n  <h2>Formation of secondary burr<\/h2>\r\n\r\n  <p>\r\n    Secondary burrs do not form directly during the cutting process, but rather during mechanical post-processing steps. Tool engagement, material displacement, and unsuitable process parameters can cause material to be raised or shifted at the edge.\r\n  <\/p>\r\n\r\n  <div class=\"boeck-info-box\">\r\n\r\n    <h3>Typical causes<\/h3>\r\n\r\n    <ul>\r\n      <li>excessive contact pressure<\/li>\r\n      <li>unsuitable tool design<\/li>\r\n      <li>unstable tool engagement<\/li>\r\n      <li>plastic material displacement<\/li>\r\n      <li>unsuitable process parameters<\/li>\r\n    <\/ul>\r\n\r\n  <\/div>\r\n\r\n  <h2>Effects on edge quality<\/h2>\r\n\r\n  <p>\r\n    Secondary burrs affect edge quality and can impair stable subsequent processes. Especially when high demands are placed on coating ability, feel, or defined edge conditions, material protrusions negatively impact component quality.\r\n  <\/p>\r\n\r\n  <div class=\"boeck-info-box\">\r\n\r\n    <h3>Possible effects<\/h3>\r\n\r\n    <ul>\r\n      <li>uneven edge profiles<\/li>\r\n      <li>unstable coating conditions<\/li>\r\n      <li>impairment of component haptics<\/li>\r\n      <li>increased post-processing effort<\/li>\r\n      <li>fluctuations in edge condition<\/li>\r\n    <\/ul>\r\n\r\n  <\/div>\r\n\r\n  <h2>Secondary burr in post-processing processes<\/h2>\r\n\r\n  <p>\r\n    Secondary burrs can occur in various mechanical post-processing operations. The risk of material build-up at the edge increases particularly with uneven material removal or unsuitable tool guidance.\r\n  <\/p>\r\n\r\n  <p>\r\n    The goal of edge processing is a reproducible, radius-like transition between surface and edge without uncontrolled material displacement.\r\n  <\/p>\r\n\r\n  <div class=\"boeck-process-box\">\r\n\r\n    <span>Related process step<\/span>\r\n\r\n    <a href=\"\/en\/edge-rounding-sheet-metal\/\">\r\n      Edge rounding of sheet metal\r\n    <\/a>\r\n\r\n  <\/div>\r\n\r\n  <h2>Difference between primary burr and secondary burr<\/h2>\r\n\r\n  <p>\r\n    Primary burrs form directly during the cutting process. Secondary burrs, on the other hand, only form in subsequent processing steps due to material displacement and mechanical action on the edge.\r\n  <\/p>\r\n\r\n  <div class=\"boeck-info-box\">\r\n\r\n    <h3>Technical differences<\/h3>\r\n\r\n    <ul>\r\n\r\n      <li>\r\n        <strong>Primary burr:<\/strong>\r\n        occurs immediately upon separation\r\n      <\/li>\r\n\r\n      <li>\r\n        <strong>Secondary burr:<\/strong>\r\n        arises in subsequent processes\r\n      <\/li>\r\n\r\n      <li>\r\n        <strong>Primary burr:<\/strong>\r\n        often sharp-edged material protrusion\r\n      <\/li>\r\n\r\n      <li>\r\n        <strong>Secondary burr:<\/strong>\r\n        frequent material dumping near the surface\r\n      <\/li>\r\n\r\n    <\/ul>\r\n\r\n  <\/div>\r\n\r\n  <h2>FAQ<\/h2>\r\n\r\n  <div class=\"boeck-faq-item\">\r\n\r\n    <h3>Why does secondary burr form?<\/h3>\r\n\r\n    <p>\r\n      Secondary burrs are caused by plastic material displacement and uncontrolled tool engagement during mechanical post-processing.\r\n    <\/p>\r\n\r\n  <\/div>\r\n\r\n  <div class=\"boeck-faq-item\">\r\n\r\n    <h3>How can secondary burrs be reduced?<\/h3>\r\n\r\n    <p>\r\n      The risk of secondary burrs can be reduced through stable process parameters, controlled material removal, and suitable tool design.\r\n    <\/p>\r\n\r\n  <\/div>\r\n\r\n  <h2>Further topics<\/h2>\r\n\r\n  <div class=\"boeck-link-grid\">\r\n\r\n    <a href=\"\/en\/glossary\/sheet-metal\/primary-ridge\/\" class=\"boeck-link-card\">\r\n\r\n      <strong>Primary burr<\/strong>\r\n\r\n      <span>\r\n        Excess material that arises directly during the separation process.\r\n      <\/span>\r\n\r\n    <\/a>\r\n\r\n    <a href=\"\/en\/glossary\/sheet-metal\/ridge\/\" class=\"boeck-link-card\">\r\n\r\n      <strong>Burr<\/strong>\r\n\r\n      <span>\r\n        Material protrusion at workpiece edges after machining processes.\r\n      <\/span>\r\n\r\n    <\/a>\r\n\r\n    <a href=\"\/en\/edge-rounding-sheet-metal\/\" class=\"boeck-link-card\">\r\n\r\n      <strong>Edge rounding of sheet metal<\/strong>\r\n\r\n      <span>\r\n        Process for generating a radius-like transition between surface and edge.\r\n      <\/span>\r\n\r\n    <\/a>\r\n\r\n    <a href=\"\/en\/deburring-sheet-metal\/\" class=\"boeck-link-card\">\r\n\r\n      <strong>Deburring sheet metal<\/strong>\r\n\r\n      <span>\r\n        Process for the controlled removal of material protrusions.\r\n      <\/span>\r\n\r\n    <\/a>\r\n\r\n  <\/div>\r\n\r\n<\/section>\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>Sekund\u00e4rgrat \u00a0Sekund\u00e4rgrat bezeichnet Materialaufw\u00fcrfe oder Materialverlagerungen an Werkst\u00fcckkanten, die w\u00e4hrend nachfolgender Bearbeitungsprozesse entstehen k\u00f6nnen. Ursache sind h\u00e4ufig plastische Materialverformungen oder<\/p>","protected":false},"author":47,"featured_media":0,"parent":6087851,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-6087899","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sekund\u00e4rgrat in der Blechbearbeitung | Glossar<\/title>\n<meta name=\"description\" content=\"Sekund\u00e4rgrat entsteht durch Materialverlagerung in nachfolgenden Bearbeitungsprozessen und beeinflusst die Kantenqualit\u00e4t von Blechbauteilen.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" 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