{"id":6087894,"date":"2026-05-29T09:42:58","date_gmt":"2026-05-29T07:42:58","guid":{"rendered":"https:\/\/boeck-technology.de\/?page_id=6087894"},"modified":"2026-05-29T09:44:49","modified_gmt":"2026-05-29T07:44:49","slug":"primary-ridge","status":"publish","type":"page","link":"https:\/\/staging.boeck-technology.de\/en\/glossar\/blech\/primaergrat\/","title":{"rendered":"Primary burr"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"6087894\" class=\"elementor elementor-6087894\" 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-1ef6fc7d process-line wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"1ef6fc7d\" 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-4d5a6cb2 e-flex e-con-boxed e-con e-child\" data-id=\"4d5a6cb2\" 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-2ab622f9 elementor-widget__width-auto tfc-scoreboard elementor-widget elementor-widget-heading\" data-id=\"2ab622f9\" 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\">Primary burr<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23414851 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"23414851\" 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>\u00a0Primary burr refers to a material protrusion that arises directly during a separation or cutting process. <br \/>It forms directly at the cutting edge of the workpiece and influences the subsequent edge and surface processing.<\/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-29972745 wd-section-stretch e-flex e-con-boxed e-con e-child\" data-id=\"29972745\" 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-65df708 elementor-widget elementor-widget-html\" data-id=\"65df708\" 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 primary burr<\/h2>\r\n\r\n  <p>\r\n    Primary burrs form when material is plastically displaced or not completely separated during the cutting process. Burr formation depends, among other things, on the manufacturing process used, the process parameters, and the material behavior.\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>thermal cutting processes<\/li>\r\n      <li>mechanical processing<\/li>\r\n      <li>tool wear<\/li>\r\n      <li>unsuitable process parameters<\/li>\r\n      <li>material displacement at the cut edge<\/li>\r\n    <\/ul>\r\n\r\n  <\/div>\r\n\r\n  <h2>Effects on edge processing<\/h2>\r\n\r\n  <p>\r\n    Remaining primary burrs affect edge quality and complicate reproducible subsequent processes. Particularly in mechanical post-processing, an uneven initial condition can lead to unstable material removal and material displacement at the edge.\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 finishing<\/li>\r\n      <li>increased tool wear<\/li>\r\n      <li>unstable coating conditions<\/li>\r\n      <li>increased post-processing effort<\/li>\r\n      <li>impairment of occupational safety<\/li>\r\n    <\/ul>\r\n\r\n  <\/div>\r\n\r\n  <h2>Pre-grinding and deburring as a process step<\/h2>\r\n\r\n  <p>\r\n    In the pre-grinding and deburring process step, primary burrs are removed in a controlled manner to create a homogeneous starting condition for subsequent processing steps.\r\n  <\/p>\r\n\r\n  <p>\r\n    Depending on the material, burr thickness and process requirements, different tooling solutions are used.\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\/deburring-sheet-metal\/\">\r\n      Deburring 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, form in subsequent machining processes due to plastic material displacement and uncontrolled tool engagement.\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        arises directly during the cutting or separating process\r\n      <\/li>\r\n\r\n      <li>\r\n        <strong>Secondary burr:<\/strong>\r\n        results from material displacement 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 must the primary burr be removed?<\/h3>\r\n\r\n    <p>\r\n      Primary burrs affect edge quality, subsequent processes and the further processing of sheet metal components.\r\n    <\/p>\r\n\r\n  <\/div>\r\n\r\n  <div class=\"boeck-faq-item\">\r\n\r\n    <h3>In which processes does primary burr form?<\/h3>\r\n\r\n    <p>\r\n      Primary burrs are created during thermal and mechanical cutting processes such as laser cutting, punching or plasma cutting.\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\/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    <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\/glossary\/sheet-metal\/secondary-ridge\/\" class=\"boeck-link-card\">\r\n\r\n      <strong>secondary burr.<\/strong>\r\n\r\n      <span>\r\n        Material ejection due to subsequent processing steps.\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  <\/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>Prim\u00e4rgrat \u00a0Prim\u00e4rgrat bezeichnet einen Material\u00fcberstand, der direkt w\u00e4hrend eines Trenn- oder Schneidprozesses entsteht. Er bildet sich unmittelbar an der Schnittkante<\/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-6087894","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>Prim\u00e4rgrat in der Blechbearbeitung | Glossar<\/title>\n<meta name=\"description\" content=\"Prim\u00e4rgrat entsteht direkt beim Trennprozess und beeinflusst Kantenqualit\u00e4t, Folgeprozesse und den nachfolgenden Entgratprozess.\" \/>\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\" \/>\n<meta property=\"og:title\" 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