{"id":47769,"date":"2020-08-09T23:43:11","date_gmt":"2020-08-09T21:43:11","guid":{"rendered":"https:\/\/acc-clone.max2.dev\/?page_id=47769"},"modified":"2023-08-07T14:42:21","modified_gmt":"2023-08-07T12:42:21","slug":"surface-measuring","status":"publish","type":"page","link":"https:\/\/www.accretech.eu\/en\/surface-measuring\/","title":{"rendered":"Surface measuring"},"content":{"rendered":"<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow    container_wrap fullsize'  ><div  class='avia-slideshow av-ht5kni-cb87473bb538f4035710860319017a33 avia-slideshow-no scaling av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 14.0625%;'><li  class='avia-slideshow-slide av-ht5kni-cb87473bb538f4035710860319017a33__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" class=\"wp-image-4349 avia-img-lazy-loading-not-4349\"  src=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3.jpg\" width=\"1280\" height=\"180\" title='Accretech - Industrielle Messtechnik Header Landing (3)' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3.jpg 1280w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3-300x42.jpg 300w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3-768x108.jpg 768w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3-1030x145.jpg 1030w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3-705x99.jpg 705w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2017\/03\/Accretech-Industrielle-Messtechnik-Header-Landing-3-450x63.jpg 450w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/div><\/li><\/ul><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4\">\n.flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4 av-gridrow-cell av_two_third no_margin' ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-h1x7fy-f26be06440c121548e3b4459cb88b7a4\">\n.flex_column.av-h1x7fy-f26be06440c121548e3b4459cb88b7a4{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-h1x7fy-f26be06440c121548e3b4459cb88b7a4 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><br \/>\n<section  class='av_textblock_section av-gsjpr2-b5ceb952bd8107a75a045582fea8d1fb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"font-size: 30px; color: #154194; line-height: 30px; padding-top: 15px;\">Surface measuring<\/h1>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69\">\n#top .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-b5c118e733b85078925554c9bad12e5a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>When talking about measuring a surface, it is likely that it&#8217;s <strong>roughness<\/strong> is a consideration.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69\">\n#top .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-kcvmz1tc-524534199ca0ba33d8a8407b9dfe7edb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>You can also gain an overview of quality assurance for surfaces on the following page. Please contact us if you want to make a request or have any questions.<br \/>\n<strong>You can also click directly on one of the sections:<\/strong><\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-e091bf6080c2b60cc2d77f31d82aae18\">\n#top .flex_column.av-glf43i-e091bf6080c2b60cc2d77f31d82aae18{\nmargin-top:0px;\nmargin-bottom:20px;\n}\n.flex_column.av-glf43i-e091bf6080c2b60cc2d77f31d82aae18{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-e091bf6080c2b60cc2d77f31d82aae18{\nmargin-top:0px;\nmargin-bottom:20px;\n}\n<\/style>\n<div class='flex_column av-glf43i-e091bf6080c2b60cc2d77f31d82aae18 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-kcvmz1tc-2dcf2069d9efd823d4b3b27269aff901'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#oberflaechenrauheit\">What is surface roughness?<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#anwendungen\">Applications<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#messmethoden\">Roughness measuring<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#messverfahren\">Measurement process for roughness measuring instruments<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#definition\">Definition of measurement lengths<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#kenngroessen\">Surface quality parameters<\/a><\/span><\/u><\/li>\n<li><u><span style=\"font-family: f45; font-size: 12pt; color: #154194; margin-bottom: 5px;\"><a href=\"#einflussfaktoren\">Factors influencing measurement results<\/a><\/span><\/u><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-2f5c83ead6d5486776f3d2b27eaf23b1\">\n#top .flex_column.av-glf43i-2f5c83ead6d5486776f3d2b27eaf23b1{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-2f5c83ead6d5486776f3d2b27eaf23b1{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-2f5c83ead6d5486776f3d2b27eaf23b1{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-2f5c83ead6d5486776f3d2b27eaf23b1 av_one_full first no_margin flex_column_div av-zero-column-padding '     id=\"oberflaechenrauheit\"  ><section  id=\"oberflaechenrauheit\"  class='av_textblock_section av-ge3yby-4323c4eb5cd925d396ac01789320e7d8'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2>What is surface roughness?<\/h2>\n<p>Roughness is a component of surface texture, and is irregularities on a surface resulting from unevenness. These so-called surface deviations arise from the effect a machining or finishing process has on the surface. They are categorised into course and fine. Shape and position deviations are categorised as course form, waviness and roughness are categorised as fine form:<\/p>\n<ul>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Shape:<\/strong><\/span> Deviations in long periods or non-cyclical deviations<br \/>\nPossible causes: Error in the in the machine tool axis, incorrect clamping of the workpiece, uneven wear and tear.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Waviness:<\/strong> <\/span>Surface structure with longer intervals of irregularities.<br \/>\nPossible causes: Vibration in the machine tool or workpiece. Tooling problems during the manufacturing process of parts.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong> Roughness:<\/strong><\/span> Irregularities with shorter intervals<br \/>\nPossible causes: unwanted rough surfaces are caused by cutting tool markings, grinding wheel\/ abrasive grain size.<\/li>\n<\/ul>\n<\/div><\/section><\/div><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g83a6e-c11605a0d1875a9c121cb9295a4979f7\">\n.flex_cell.av-g83a6e-c11605a0d1875a9c121cb9295a4979f7{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-g83a6e-c11605a0d1875a9c121cb9295a4979f7{\npadding:15px 0px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-g83a6e-c11605a0d1875a9c121cb9295a4979f7 av-gridrow-cell av_one_third no_margin' ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g3jpae-87ea9ad95e38113fe1a029586e69e65d\">\n#top .flex_column.av-g3jpae-87ea9ad95e38113fe1a029586e69e65d{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-g3jpae-87ea9ad95e38113fe1a029586e69e65d{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 15px 0px 0px;\nbackground-color:#154194;\n}\n.responsive #top #wrap_all .flex_column.av-g3jpae-87ea9ad95e38113fe1a029586e69e65d{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-g3jpae-87ea9ad95e38113fe1a029586e69e65d av_one_full first flex_column_div av-hide-on-mobile '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-nnncyk-cc06d29d90c5a10c497aafd62542dbe4\">\n.flex_column.av-nnncyk-cc06d29d90c5a10c497aafd62542dbe4{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-nnncyk-cc06d29d90c5a10c497aafd62542dbe4 av_one_full first flex_column_div av-zero-column-padding '     ><p><section  class='av_textblock_section av-kdec2pnm-55056aaad29bad1fa50381d7a71871b0'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Not sure which measuring instrument fits your needs? Filter by the parameters you need and see the solution that\u2019s right for you. Contact us in terms of questions or requests.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-kdec3g4e-8ebc956cb28f37773b3fbf7e0cc91323-wrap avia-button-left  new-home-button-big'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kdec3g4e-8ebc956cb28f37773b3fbf7e0cc91323\">\n#top #wrap_all .avia-button.av-kdec3g4e-8ebc956cb28f37773b3fbf7e0cc91323{\nbackground-color:#154194;\nborder-color:#154194;\ncolor:#ffffff;\n-webkit-transition:all 0.4s ease-in-out;\n-moz-transition:all 0.4s ease-in-out;\n-ms-transition:all 0.4s ease-in-out;\n-o-transition:all 0.4s ease-in-out;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.accretech.eu\/en\/product-finder\/'  class='avia-button av-kdec3g4e-8ebc956cb28f37773b3fbf7e0cc91323 avia-icon_select-no avia-size-small avia-position-left'  ><span class='avia_iconbox_title' >Find the right measuring instrument<\/span><\/a><\/div><\/p><\/div><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1\">\n.flex_cell.av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1 av-gridrow-cell av_four_fifth no_margin' ><div class='flex_cell_inner'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95\">\n#top .flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\nmargin-top:0px;\nmargin-bottom:15px;\n}\n.flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\nmargin-top:0px;\nmargin-bottom:15px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-e312a4249d971d68c14ea5d83d172a36'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Each manufacturing process affects the surface finish and consequently surface roughness. In order to ensure the quality of the manufactured component despite this, the surface finish is defined according to the so-called roughness value. The actual roughness of the part is determined by measuring the surface profiles with the roughness measuring instrument.<br \/>\nIt should be considered that only certain roughness values can be achieved with certain manufacturing processes. These must, therefore, be defined during component design, and according to the specific manufacturing process. Roughness values are therefore defined dependant of the manufacturing process. It is denoted according to the arithmetic mean roughness (Ra) in \u00b5m for each manufacturing process.<\/p>\n<\/div><\/section><\/div>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-wh1jjw-d965a6b706735b826d9a2ad4320d89e6\">\n.flex_cell.av-wh1jjw-d965a6b706735b826d9a2ad4320d89e6{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-wh1jjw-d965a6b706735b826d9a2ad4320d89e6{\npadding:30px 30px 30px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-wh1jjw-d965a6b706735b826d9a2ad4320d89e6 av-gridrow-cell av_one_fifth no_margin' ><div class='flex_cell_inner'><\/div><\/div><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1\">\n.flex_cell.av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-ruovuz-2db0e6c5c67d1ac31358687315a2b1d1 av-gridrow-cell av_one_full no_margin' ><div class='flex_cell_inner'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95\">\n#top .flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\nmargin-top:0px;\nmargin-bottom:15px;\n}\n.flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95{\nmargin-top:0px;\nmargin-bottom:15px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c4acd8fcce73de1e42f5a8f5a7a87f95 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-b5c118e733b85078925554c9bad12e5a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Factors influencing the surface finish are:<\/p>\n<ul>\n<li>Processing:\n<ul>\n<li>Cutting conditions (cut depth or speed)<\/li>\n<li>Tools (cutting, inclination and adjustment angle)<\/li>\n<li>Type of work (rotating, grinding, milling)<\/li>\n<\/ul>\n<\/li>\n<li>Material (texture)\n<ul>\n<li>Workpiece stability<\/li>\n<li>Cooling lubricant<\/li>\n<li>Material cutting properties<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4\">\n.flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4 av-gridrow-cell av_four_fifth no_margin' ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-161360f745e0b36385f60f498801576f\">\n#top .flex_column.av-glf43i-161360f745e0b36385f60f498801576f{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-161360f745e0b36385f60f498801576f{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-161360f745e0b36385f60f498801576f{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-161360f745e0b36385f60f498801576f av_one_full first no_margin flex_column_div av-zero-column-padding '     id=\"anwendungen\"  ><section  class='av_textblock_section av-ge3yby-30f8fac5d35a151976d7f5ad3f4a026f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2>Applications<\/h2>\n<p>Surface properties can influence the workpiece\u2019s mechanical as well as electrical or chemical behaviour. The roughness of surfaces determines to a large extent their finishes. It is important to characterise surfaces according to their roughness because inspecting the roughness provides opportunities for optimisation. Waviness and course form of the surface must be considered while characterising. Many industries can accordingly profit from inspecting surfaces with roughness measuring instruments, for example:<\/p>\n<ul>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Medical technology:<\/strong><\/span><br \/>\nBy maintaining a certain surface roughness, a dental implant, for example, itegrates into the jaw quicker. The same applies to endoprotheses. Because a prosthetic comes into direct contact with surrounding tissue, its surface quality and surface finish are especially important. Therefore, implant manufacturers try to develop their products as optimally as possible for its intended purpose by using appropriate surface finishes. The average medical component comes with high quality requirements and require very accurate test equipment.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Automotive industry:<\/strong><\/span><br \/>\nA low surface roughness within a drive train reduces friction, whereby energy loss can be kept as low as possible. With high demands for efficiency, the requirements on the surfaces of cranksheft bearing pins also increase. With the start-stop systems that automatically turn off the engine and back on again, a lot of strain is, for example, put on the surface of the pin. Here, a lower surface roughness reduces wear and tear. For electric motors, surface roughness also plays a roll in reducing noise. Here, the smoothest surface finish possible is needed, and is why the surface quality must be ensured, and validated using roughness measuring.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Electronics and semiconductors:<br \/>\n<\/strong><\/span>Microchips must always be smaller, faster, and more effective. These challenges require observing geometric tolerances on each component, such as coplanarity, distance, warpage, and volume as well as roughness parameters, which require extremely high resolution at the nano level on average. For this reason, they are often measured with optical surface measuring systems and the success lies in non-contact measurement.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-30f8fac5d35a151976d7f5ad3f4a026f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>We offer roughness and contour measuring instruments as well as combined roughness\/contour measuring instruments for the most diverse range of demands such as <u>surface <\/u>finish or defining <u>rough<\/u> surfaces. With our Product Finder, you can easily and quickly find the right surface measuring instrument for your needs.<br \/>\n<a href=\"https:\/\/www.accretech.eu\/en\/contact-support\/contact\/?fom=en&#038;interest=Industrial%20metrology&#038;_sfm_bereich=Industrial%20metrology\">We would gladly set up a consultation and a demonstration with you. <\/a><\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_two_fifth first no_margin flex_column_div av-zero-column-padding '     ><div  class='avia-button-wrap av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20-wrap avia-button-center  new-home-button-big'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20\">\n#top #wrap_all .avia-button.av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20{\nbackground-color:#154194;\nborder-color:#154194;\ncolor:#ffffff;\n-webkit-transition:all 0.4s ease-in-out;\n-moz-transition:all 0.4s ease-in-out;\n-ms-transition:all 0.4s ease-in-out;\n-o-transition:all 0.4s ease-in-out;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.accretech.eu\/en\/product-finder\/'  class='avia-button av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20 avia-icon_select-no avia-size-small avia-position-center'  ><span class='avia_iconbox_title' >Find the right measuring instrument<\/span><\/a><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-f49142bb5b6f4ad98528c994f3a101ed\">\n#top .flex_column.av-glf43i-f49142bb5b6f4ad98528c994f3a101ed{\nmargin-top:20px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-f49142bb5b6f4ad98528c994f3a101ed{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-f49142bb5b6f4ad98528c994f3a101ed{\nmargin-top:20px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-f49142bb5b6f4ad98528c994f3a101ed av_one_full first no_margin flex_column_div av-zero-column-padding '     id=\"messmethoden\"  ><section  class='av_textblock_section av-ge3yby-e312a4249d971d68c14ea5d83d172a36'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Roughness measuring<\/h3>\n<p>Roughness measuring of a surface allows a workpiece to be evaluated regarding its function, quality and wear behaviour. In order to inspect the surface quality of a workpiece, various roughness measuring methods are applied, which can be classified roughly into subjective and objective measuring methods:<\/p>\n<ul>\n<li>Subjective methods include visual and haptic inspection by feeling and observing the workpiece. Visual inspection is often also the first step before employing a roughness measuring instrument. Because the visual examination is predominately carried out by people, it is liable, therefore, to be less efficient compared with automated inspections. The reasons for this are, for example, concentration fluctuations, performance pressure, fatigue, environmental influences, etc.<\/li>\n<li>For objective surface roughness measuring methods, tactile or optical measuring instruments with micrometre or nano range are employed. To finish the quality control correctly and precisely, rough surfaces need to be analysed with the correct software. Measuring methods allows for a 2D or 3D (topography) analysis according to the measuring system. Measuring data can be recorded, saved and analysed and are suited for statistical analyses.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-e312a4249d971d68c14ea5d83d172a36'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>To metrologically record and define the surface roughness, the profile method is applied. With the profile method, a stylus tip traverses across a workpiece\u2019s surface at a constant speed. With the tacticle measuring method, the roughness measuring instrument\u2019s sensor scans the surface bit by bit. Here, waviness and course form can be monitored and defined. With values at nano- and micrometer levels, the precision of the tactile measuring system for roughness measuring is very high. They are often simple to use and provide reliable measurement values. They are, however, not appropriate for soft, yielding surfaces because damage to the surface cannot be ruled out with tactical roughness measuring instruments. Therefore, for this, increased optical three-dimensional measuring processes are employed that measure the surfaces without contact and are, therefore, non-destructive. Applications have irregularities such as waviness or course form which leads to specific measurement requirements. On average, systems need to have a nano- or micrometre range to characterise rough surfaces.<\/p>\n<\/div><\/section><\/div><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ruovuz-5d399c35071128c1585d9436c4116e34\">\n.flex_cell.av-ruovuz-5d399c35071128c1585d9436c4116e34{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-ruovuz-5d399c35071128c1585d9436c4116e34{\npadding:30px 30px 30px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-ruovuz-5d399c35071128c1585d9436c4116e34 av-gridrow-cell av_one_fifth no_margin' ><div class='flex_cell_inner'><\/div><\/div><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4\">\n.flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4 av-gridrow-cell av_four_fifth no_margin' ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-6a60d01f6967a58344733ade0ce5d911\">\n#top .flex_column.av-glf43i-6a60d01f6967a58344733ade0ce5d911{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-6a60d01f6967a58344733ade0ce5d911{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-6a60d01f6967a58344733ade0ce5d911{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-6a60d01f6967a58344733ade0ce5d911 av_one_full first no_margin flex_column_div av-zero-column-padding '     id=\"messverfahren\"  ><section  class='av_textblock_section av-ge3yby-30f8fac5d35a151976d7f5ad3f4a026f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h3>Measurement process for roughness measuring instruments<\/h3>\n<p>The exact process for <span style=\"font-family: f45; color: #154194;\"><strong>surface roughness measuring<\/strong><\/span> with a tactical surface measuring instrument is explained in ISO 4288:1996. To prepare for roughness measuring, we recommend the following approach:<\/p>\n<ol>\n<li>Clean the workpiece and position it stably.<\/li>\n<li>The measuring system must be calibrated and the correct stylus-arm combination attached.<\/li>\n<li>The workpiece should be set up so that and the direction of the surface structure grooves are aligned at a right angle to the measurement direction.<\/li>\n<li>If the profile cut-off filter \u03bbc and evaluation length are not specified for measuring the roughness parameters, you can, according to the table ISO4288\u00a0 choose the configurations.<\/li>\n<li>Configure the necessary profile filters (\u03bbc and \u03bbs for roughness). (This is normally the Gaussian filter).<\/li>\n<li>Choose the necessary surface parameters.<\/li>\n<li>Measure and determine the measurement values.<\/li>\n<li>To finish the process, compare the measurement results with those of the permissible number values specified in the technical documentation.<\/li>\n<\/ol>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-582522a0893ac5821b55521704eaf06c\">\n#top .flex_column.av-glf43i-582522a0893ac5821b55521704eaf06c{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-582522a0893ac5821b55521704eaf06c{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-582522a0893ac5821b55521704eaf06c{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-582522a0893ac5821b55521704eaf06c av_one_full first no_margin flex_column_div av-zero-column-padding '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kc0kjea0-00fe0229cb5e24cb2b9bb75d600cdfbe\">\n.avia-image-container.av-kc0kjea0-00fe0229cb5e24cb2b9bb75d600cdfbe img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kc0kjea0-00fe0229cb5e24cb2b9bb75d600cdfbe .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kc0kjea0-00fe0229cb5e24cb2b9bb75d600cdfbe av-styling- avia-align-center av-mini-hide'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-45333 avia-img-lazy-loading-not-45333 avia_image ' src=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip.png\" alt='Table: choose the right stylus tip to measure surface roughness' title='Stylus tip selection'  height=\"502\" width=\"1577\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip.png 1577w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-300x95.png 300w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-768x244.png 768w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-1030x328.png 1030w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-1536x489.png 1536w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-1500x477.png 1500w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface-selection-of-stylus-tip-705x224.png 705w\" sizes=\"(max-width: 1577px) 100vw, 1577px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69\">\n#top .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div class='flex_column av-glf43i-d81149602a2fbbf4946c9b0e5e4b9a69 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-b5c118e733b85078925554c9bad12e5a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>According to DIN EN ISO 4288, the roughness profile must be measured in 5 sampling lengths. The majority of roughness parameters &#8211; such as arithmetic mean roughness (Ra), mean roughness depth (Rz), or maximum roughness depth (Rmax) &#8211; are calculated across the sampling length. Parameters, such as material ratio (Rmr) or total depth (Rt) of the roughness profile, can be observed across the entire roughness profile.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-ge3yby-30f8fac5d35a151976d7f5ad3f4a026f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>We offer roughness and contour measuring instruments as well as combined roughness\/contour measuring instruments for the most diverse range of demands such as surface finish. With our Product Finder, you can easily and quickly find the right surface measuring instrument with nano- or micrometre range for your needs. <a href=\"https:\/\/www.accretech.eu\/en\/contact-support\/contact\/?fom=en&#038;interest=Industrial%20metrology&#038;_sfm_bereich=Industrial%20metrology\">We would gladly set up a consultation and a demonstration with you<\/a>.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_two_fifth first no_margin flex_column_div av-zero-column-padding '     ><div  class='avia-button-wrap av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20-wrap avia-button-center  new-home-button-big'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20\">\n#top #wrap_all .avia-button.av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20{\nbackground-color:#154194;\nborder-color:#154194;\ncolor:#ffffff;\n-webkit-transition:all 0.4s ease-in-out;\n-moz-transition:all 0.4s ease-in-out;\n-ms-transition:all 0.4s ease-in-out;\n-o-transition:all 0.4s ease-in-out;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.accretech.eu\/en\/product-finder\/'  class='avia-button av-kc1rnrs5-8b79f492487a4811677be6a8ce758e20 avia-icon_select-no avia-size-small avia-position-center'  ><span class='avia_iconbox_title' >Find the right measuring instrument<\/span><\/a><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-0ca4280ae3cfe00a3973dfef9a27ff09\">\n#top .flex_column.av-glf43i-0ca4280ae3cfe00a3973dfef9a27ff09{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-0ca4280ae3cfe00a3973dfef9a27ff09{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 10px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-0ca4280ae3cfe00a3973dfef9a27ff09{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-0ca4280ae3cfe00a3973dfef9a27ff09 av_three_fifth no_margin flex_column_div '     ><\/div><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-23gjlo-7ee4bfec253304c576c2992e55f79ee0\">\n.flex_cell.av-23gjlo-7ee4bfec253304c576c2992e55f79ee0{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-23gjlo-7ee4bfec253304c576c2992e55f79ee0{\npadding:30px 30px 30px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-23gjlo-7ee4bfec253304c576c2992e55f79ee0 av-gridrow-cell av_one_fifth no_margin' ><div class='flex_cell_inner'><\/div><\/div><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='standard-grid'  class='av-layout-grid-container av-hgzzke-bf7d74f54f55282db1cd841c50938f1e entry-content-wrapper main_color av-flex-cells  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4\">\n.flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4{\npadding:0px 20px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-hb7m0u-13311702f6a3b925bda697a0e6d0a7a4 av-gridrow-cell av_four_fifth no_margin' ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-9705a8cfb6176d26163c6d0c406b1be3\">\n#top .flex_column.av-glf43i-9705a8cfb6176d26163c6d0c406b1be3{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-9705a8cfb6176d26163c6d0c406b1be3{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:20px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-9705a8cfb6176d26163c6d0c406b1be3{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-9705a8cfb6176d26163c6d0c406b1be3 av_one_full first no_margin flex_column_div '     id=\"definition\"  ><section  class='av_textblock_section av-ge3yby-b5c118e733b85078925554c9bad12e5a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Definition of measurement lengths<\/h3>\n<ul>\n<li>Sampling length (Ir): The length of the sampling length is numerically the same as the upper wavelength limit. (lr = \u03bbc , lw = \u03bbf).<\/li>\n<li>Measured length (In): The measured length (In): is the sum of the sampling lengths (I). It includes at least one sampling length, however it usually includes five.<\/li>\n<li>Traverse length (It): The length covered during the scanning system measuring process. It includes the measured length (In) as well as the start-up and trailing length (filter\u2019s outward oscillation and stabilisation length), which equates to the entire or half of the sampling length. For highly precise measuring systems, up to one third of the sampling length.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-c2f6c471d084d429dd31ad2852757ad9\">\n#top .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-c2f6c471d084d429dd31ad2852757ad9{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-c2f6c471d084d429dd31ad2852757ad9 av_one_full first no_margin flex_column_div av-zero-column-padding '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kc0a0kmz-47e6a3419e3ea7cd8825cf40d35093ea\">\n.avia-image-container.av-kc0a0kmz-47e6a3419e3ea7cd8825cf40d35093ea img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kc0a0kmz-47e6a3419e3ea7cd8825cf40d35093ea .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kc0a0kmz-47e6a3419e3ea7cd8825cf40d35093ea av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-45351 avia-img-lazy-loading-not-45351 avia_image ' src=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length.png\" alt='Technical drawing of profile roughness parameters: sampling lenghth and evaluating length' title='Profile roughness parameters: sampling lenghth and evaluating length'  height=\"712\" width=\"1572\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length.png 1572w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-300x136.png 300w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-768x348.png 768w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-1030x467.png 1030w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-1536x696.png 1536w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-1500x679.png 1500w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_\u202csurface_sampling-length-and-evaluating-length-705x319.png 705w\" sizes=\"(max-width: 1572px) 100vw, 1572px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-d097a0723f7831a53e7a74a7f2580ccb\">\n#top .flex_column.av-glf43i-d097a0723f7831a53e7a74a7f2580ccb{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-d097a0723f7831a53e7a74a7f2580ccb{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:20px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-d097a0723f7831a53e7a74a7f2580ccb{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-d097a0723f7831a53e7a74a7f2580ccb av_one_full first no_margin flex_column_div '     id=\"kenngroessen\"  ><section  class='av_textblock_section av-ge3yby-89a355af1180b272393a55a86fce156b'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2>Surface quality parameters<\/h2>\n<p>In contrast to dimensional measurement quantities, such as length, surface roughness measurement quantities are not clearly defined. Therefore, there are various roughness measurement values for assessing surface finish that are used in design drawings by means of abbreviations. The most significant roughness parameters, according to the international standard DIN EN ISO 4287, that the classic profile method employs, are:<\/p>\n<ul>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Ra:<\/strong><\/span> The internationally used roughness parameter is defined as an arithmetical mean of the absolute profile deviation value within the defined length.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Rmr(c):<\/strong><\/span> The (percentage) profile material ratio is defined as the quotient of the sum of the material lengths of the profile elements in the given cut height c (in \u03bcm) and the measured length (In).<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>RSm:<\/strong><\/span> The average groove width describes the width mean of the profile elements (Xs). Horizontal and vertical counting thresholds are set for analysis.<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Rt:<\/strong><\/span> The abbreviation stands for \u201cTotal Roughness Profile Height\u201d and is the sum of the heights (Zp) of the largest profile peak and the depths (Zv) of the largest profile valley within the measured length (In).<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Rzi<\/strong><\/span>: The roughness parameter stands for the highest roughness profile and is the sum of the heights of the largest profile peak and the depths of the largest profile valley within the sampling length (Iri).<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Rz1max:<\/strong><\/span> This is the maximum roughness depth and therefore, the largest of the five Rzi values from the sampling lengths (Iri) within the measured length (In).<\/li>\n<li><span style=\"font-family: f45; color: #154194;\"><strong>Rz:<\/strong><\/span> The average roughness depth is defined by the five Rzi values from the sampling lengths (Iri) within the measured length (In).<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rba5jf-20a09efe7c0c382172de66862d741e0b\">\n#top .flex_column.av-rba5jf-20a09efe7c0c382172de66862d741e0b{\nmargin-top:0px;\nmargin-bottom:30px;\n}\n.flex_column.av-rba5jf-20a09efe7c0c382172de66862d741e0b{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-rba5jf-20a09efe7c0c382172de66862d741e0b{\nmargin-top:0px;\nmargin-bottom:30px;\n}\n<\/style>\n<div class='flex_column av-rba5jf-20a09efe7c0c382172de66862d741e0b av_one_full first flex_column_div av-zero-column-padding '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k8iop92f-9b5692b53be4d7f2ec82796650304bc9\">\n.avia-image-container.av-k8iop92f-9b5692b53be4d7f2ec82796650304bc9 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-k8iop92f-9b5692b53be4d7f2ec82796650304bc9 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-k8iop92f-9b5692b53be4d7f2ec82796650304bc9 av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-45342 avia-img-lazy-loading-not-45342 avia_image ' src=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter.png\" alt='Technical drawing: surface profile by stylus and gaussian filter' title='Surface measuring: profile by stylus and gaussian filter'  height=\"1170\" width=\"1571\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter.png 1571w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-300x223.png 300w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-768x572.png 768w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-1030x767.png 1030w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-1536x1144.png 1536w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-1500x1117.png 1500w, https:\/\/www.accretech.eu\/wp-content\/uploads\/2020\/07\/IMG_Surface_profile-by-stylus-and-gaussian-filter-705x525.png 705w\" sizes=\"(max-width: 1571px) 100vw, 1571px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-glf43i-5ae3fc6ecf7bdb3f24a8f7999aab763d\">\n#top .flex_column.av-glf43i-5ae3fc6ecf7bdb3f24a8f7999aab763d{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n.flex_column.av-glf43i-5ae3fc6ecf7bdb3f24a8f7999aab763d{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-glf43i-5ae3fc6ecf7bdb3f24a8f7999aab763d{\nmargin-top:0px;\nmargin-bottom:10px;\n}\n<\/style>\n<div class='flex_column av-glf43i-5ae3fc6ecf7bdb3f24a8f7999aab763d av_one_full first no_margin flex_column_div av-zero-column-padding '     id=\"einflussfaktoren\"  ><section  class='av_textblock_section av-ge3yby-89a355af1180b272393a55a86fce156b'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2>Factors influencing measurement results<\/h2>\n<p>When you <span style=\"font-family: f45; color: #154194;\"><strong>measure surface roughness<\/strong><\/span>, the measurement results can be influenced by many factors. These can be summarised as follows:<\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-ge3yby-e312a4249d971d68c14ea5d83d172a36'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>Environment (environmental factors in production): For example, temperature fluctuations during roughness measuring can influence the result. Humidity or vibration can also have an effect on the measurement results.<\/li>\n<li>Measuring strategy, such as selection of measuring methods and probes<\/li>\n<li>People: The experience of the metrologist also affects the measurement results.<\/li>\n<li>Measurement object: How clean is the surface?<\/li>\n<li>Measuring instrument: The easier a roughness measuring instrument is to handle, the lower the chance of measuring errors. Additionally, the choice of roughness measuring instrument can increase preciseness, such as the SURFCOM Series with its linear drive that drastically reduces vibration and facilitates a higher positioning accuracy.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g83a6e-c11605a0d1875a9c121cb9295a4979f7\">\n.flex_cell.av-g83a6e-c11605a0d1875a9c121cb9295a4979f7{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-g83a6e-c11605a0d1875a9c121cb9295a4979f7{\npadding:15px 0px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-g83a6e-c11605a0d1875a9c121cb9295a4979f7 av-gridrow-cell av_one_fifth no_margin' ><div class='flex_cell_inner'><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":550,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"filter_category":[],"filter_measurements":[],"class_list":["post-47769","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Surface measuring, ensuring quality - ACCRETECH<\/title>\n<meta name=\"description\" content=\"Measuring surface roughness is essential to characterise irregularities. 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