{"id":5107,"date":"2021-08-22T13:10:16","date_gmt":"2021-08-22T11:10:16","guid":{"rendered":"http:\/\/elastomer-institut.de\/?post_type=portfolio&#038;p=5107"},"modified":"2022-11-28T11:33:34","modified_gmt":"2022-11-28T10:33:34","slug":"visual-inspection-regarding-form-and-surface-imperfections","status":"publish","type":"portfolio","link":"https:\/\/elastomer-institut.de\/en\/pruefungen\/visual-inspection-regarding-form-and-surface-imperfections\/","title":{"rendered":"Visual Inspection regarding Form and Surface Imperfections"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1g50o-6be1d0eee3e35775945e7a04ed437c49\">\n.avia-section.av-1g50o-6be1d0eee3e35775945e7a04ed437c49 .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Intro-3.jpg);\nbackground-position:50% 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main_color avia-full-stretch'><\/div><\/div><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><a href='#next-section' title='' class='scroll-down-link av-custom-scroll-down-color avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='down-open-mini' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-1'>Scroll to next section<\/title>\n<desc id='av-svg-desc-1'>Scroll to next section<\/desc>\n<path d=\"M12.96 12.16q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-6.272 6.144q-0.704 0.704-1.536 0l-6.272-6.144q-0.832-0.832 0-1.536 0.768-0.768 1.6 0l5.44 4.992z\"><\/path>\n<\/svg><\/a><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-5107'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqg8-0fbd2b24b540e5c55596e312e074b98b\">\n.flex_column.av-vqg8-0fbd2b24b540e5c55596e312e074b98b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqg8-0fbd2b24b540e5c55596e312e074b98b av_one_full  avia-builder-el-1  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ksykbbdf-00fd14f3442a8023826c16e0b9bf60ad\">\n#top .av-special-heading.av-ksykbbdf-00fd14f3442a8023826c16e0b9bf60ad{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ksykbbdf-00fd14f3442a8023826c16e0b9bf60ad .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ksykbbdf-00fd14f3442a8023826c16e0b9bf60ad .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ksykbbdf-00fd14f3442a8023826c16e0b9bf60ad av-special-heading-h1 blockquote modern-quote modern-centered  avia-builder-el-2  avia-builder-el-no-sibling '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Visual Inspection<\/h1><div class='av-subheading av-subheading_below'><p>Manufacturing defects, Form and Surface Imperfections<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div><\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-1f6ls-2086bebd1c99d72deef9786cb38f3f73 alternate_color avia-section-large avia-no-border-styling  avia-builder-el-3  el_after_av_section  el_before_av_section  small-intro avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-5107'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqg8-0fbd2b24b540e5c55596e312e074b98b\">\n.flex_column.av-vqg8-0fbd2b24b540e5c55596e312e074b98b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqg8-0fbd2b24b540e5c55596e312e074b98b av_one_full  avia-builder-el-4  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ksykcv0l-d518fbf6c4f5a54c1a467e8cccbd628c\">\n#top .av-special-heading.av-ksykcv0l-d518fbf6c4f5a54c1a467e8cccbd628c{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ksykcv0l-d518fbf6c4f5a54c1a467e8cccbd628c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ksykcv0l-d518fbf6c4f5a54c1a467e8cccbd628c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ksykcv0l-d518fbf6c4f5a54c1a467e8cccbd628c av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-5  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Significance and Test Method<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqg8-0fbd2b24b540e5c55596e312e074b98b\">\n.flex_column.av-vqg8-0fbd2b24b540e5c55596e312e074b98b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqg8-0fbd2b24b540e5c55596e312e074b98b av_one_half  avia-builder-el-6  el_after_av_one_full  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kkxx73rg-4887e18e34d25eb9f5a6c84405a7ba68 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: left\">The industrial production of elastomer parts takes place in batch processes. Once moulded and vulcanised, the possibilities for reworking the parts are limited or even impossible. The form and dimensions are fixed and surfaces can only be slightly reworked.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqg8-6a4cbb3536529da43588b59a49441984\">\n.flex_column.av-vqg8-6a4cbb3536529da43588b59a49441984{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqg8-6a4cbb3536529da43588b59a49441984 av_one_half  avia-builder-el-8  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kkxx73rg-4887e18e34d25eb9f5a6c84405a7ba68 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>In most cases, post-processing is limited to deflashing. Therefore, the final check by means of a visual inspection is an important part of the manufacturing process.<\/p>\n<\/div><\/section><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-klm050jf-e6e5a3ef0f1a99a6bd014cad9a5038fe main_color avia-section-large avia-no-border-styling  avia-builder-el-10  el_after_av_section  avia-builder-el-last  img-text-section no-padding-top avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-5107'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796\">\n@keyframes av_boxShadowEffect_av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796-row {\n0%   { box-shadow:  0 0 0 0 rgba(164,164,164,0.4); opacity: 1; }\n100% { box-shadow:  0 0 25px 0 rgba(164,164,164,0.4); opacity: 1; }\n}\n@keyframes av_boxShadowEffect_av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796-column {\n0%   { box-shadow:  0 0 0 0 rgba(164,164,164,0.4); opacity: 1; }\n100% { box-shadow:  0 0 25px 0 rgba(164,164,164,0.4); opacity: 1; }\n}\n.flex_column_table.av-equal-height-column-flextable.av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796{\nbox-shadow: 0 0 25px 0 rgba(164,164,164,0.4);\n}\n.flex_column.av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796{\nbox-shadow: 0 0 25px 0 rgba(164,164,164,0.4);\nborder-radius:0px 0px 0px 0px;\npadding:0 0 0 0;\n}\n<\/style>\n<div  class='flex_column av-1qtfk-a10a61e112ec8a4e5f549a4569ac9796 av_one_half  avia-builder-el-11  el_before_av_one_half  avia-builder-el-first  first no_margin flex_column_div shadow-not-animated av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12pj4-80346d936ce72beac78d11b548d9fcce\">\n.avia-image-container.av-12pj4-80346d936ce72beac78d11b548d9fcce img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-12pj4-80346d936ce72beac78d11b548d9fcce .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-12pj4-80346d936ce72beac78d11b548d9fcce av-styling- avia-align-center  avia-builder-el-12  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3709 avia-img-lazy-loading-not-3709 avia_image ' src=\"https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5.jpg\" alt='' title='Ma\u00df-Sicht-Pr\u00fcfung-5'  height=\"840\" width=\"1200\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5.jpg 1200w, https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5-300x210.jpg 300w, https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5-1030x721.jpg 1030w, https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5-768x538.jpg 768w, https:\/\/elastomer-institut.de\/wp-content\/uploads\/2021\/08\/Mass-Sicht-Pruefung-5-705x494.jpg 705w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qtfk-0f5e1b465277fd0dce096d354a9204fd\">\n@keyframes av_boxShadowEffect_av-1qtfk-0f5e1b465277fd0dce096d354a9204fd-column {\n0%   { box-shadow:  0 0 0 0 rgba(164,164,164,0.4); opacity: 1; }\n100% { box-shadow:  0 0 25px 0 rgba(164,164,164,0.4); opacity: 1; }\n}\n.flex_column.av-1qtfk-0f5e1b465277fd0dce096d354a9204fd{\nbox-shadow: 0 0 25px 0 rgba(164,164,164,0.4);\nborder-radius:0px 0px 0px 0px;\npadding:60px 60px 60px 60px;\n}\n<\/style>\n<div  class='flex_column av-1qtfk-0f5e1b465277fd0dce096d354a9204fd av_one_half  avia-builder-el-13  el_after_av_one_half  avia-builder-el-last  no_margin flex_column_div shadow-not-animated  '     ><section  class='av_textblock_section av-kkxx73rg-4887e18e34d25eb9f5a6c84405a7ba68 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>Cost Pressure and Manufacturing Defects<\/h4>\n<p>Often, manufacturers of standard parts face strong cost pressure; high production capacities in short time are key to their success. Therefore, moulding and vulcanisation processes are pushed to the limits of technical feasibility. However, rubber is a rather difficult material to process. The highly viscous materials do not melt. Thus, they are injected into the usually hot moulds with enormous pressure. Moulds are quickly filled and parts demoulded, and the vulcanisation process is kept as short as possible. Thus, during elastomer production, a wide variety of mould and surface defects can occur.<\/p>\n<h4>On the Track of Manufacturing Defects<\/h4>\n<p>Final inspection as an important part of elastomer production is carried out using different methods. Depending on the type of component and the desired quality level, either random samples or all parts of a production lot are inspected. Optical inspections vary from manual visual inspections to automatic inspection machines with numerous cameras..<\/p>\n<p>Different quality criteria apply to the form and surface quality of rubber parts and seals. For O-rings, ISO 3601-3 defines acceptance criteria for the surface quality. Since 2010, this standard has replaced the previously common O-ring standard DIN 3771-4. The form and surface imperfections defined in this O-ring standard can also be applied to other sealing rings, for which unfortunately there are often no specific standards available. Other technical rubber parts are tested in accordance with part-specific standards, factory standards or individual specifications.<\/p>\n<p>At Elastomer Institut Richter we usually use our light microscopes for visual inspections.<\/p>\n<\/div><\/section><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Final inspection as an important part of elastomer production is conducted using different methods. Depending on the type of component and the desired quality level, either sampling or 100% inspections may be used.<\/p>\n","protected":false},"author":2,"featured_media":3703,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"tags":[],"portfolio_entries":[27],"class_list":["post-5107","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-component-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Visual Inspection regarding Form and Surface Imperfections - Elastomer Institut by OPR Group GmbH<\/title>\n<meta name=\"description\" content=\"We carry out visual inspections of elastomer parts as random sample inspections, usually using light microscopes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elastomer-institut.de\/en\/pruefungen\/visual-inspection-regarding-form-and-surface-imperfections\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visual Inspection regarding Form and Surface Imperfections - 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