{"id":29739,"date":"2026-05-26T00:51:22","date_gmt":"2026-05-26T07:51:22","guid":{"rendered":"https:\/\/www.weforging.com\/surface-roughness-machined-part-performance\/"},"modified":"2026-05-26T00:51:22","modified_gmt":"2026-05-26T07:51:22","slug":"surface-roughness-machined-part-performance","status":"publish","type":"post","link":"https:\/\/www.weforging.com\/it\/surface-roughness-machined-part-performance\/","title":{"rendered":"How Surface Roughness Affects Machined Part Performance"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"29739\" class=\"elementor elementor-29739 elementor-29719\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6204b51 e-flex e-con-boxed e-con e-parent\" data-id=\"6204b51\" 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-02d10e3 elementor-widget elementor-widget-heading\" data-id=\"02d10e3\" 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<h1 class=\"elementor-heading-title elementor-size-default\">How Surface Roughness Affects Machined Part Performance<\/h1>\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-af13c9a e-flex e-con-boxed e-con e-parent\" data-id=\"af13c9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e2cdc85 e-con-full e-flex e-con e-child\" data-id=\"e2cdc85\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dc2667 elementor-widget elementor-widget-text-editor\" data-id=\"7dc2667\" 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><strong><b>Surface roughness<\/b><\/strong>\u00a0affects more than surface appearance in machined parts. In heavy equipment, hydraulic systems, and rotating components, improper surface finish may lead to sealing problems, unstable bearing fit, accelerated wear, or reduced fatigue life.<\/p><p>This is why OEM engineers often specify surface roughness Ra values on technical drawings, especially for bearing seats, sealing surfaces, and other critical contact areas.<\/p><p>In industrial manufacturing, stable surface roughness control helps improve machining consistency, assembly reliability, and long-term component durability. This article explains common Ra values, machining considerations, and how surface roughness measurement supports machining quality control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-40fe596 e-con-full e-flex e-con e-child\" data-id=\"40fe596\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88e0182 elementor-widget elementor-widget-image\" data-id=\"88e0182\" 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 decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-1024x1024.jpg\" class=\"attachment-large size-large wp-image-29721\" alt=\"Surface roughness measurement on CNC machined metal part using industrial roughness tester\" srcset=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-1024x1024.jpg 1024w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-300x300.jpg 300w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-150x150.jpg 150w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-768x768.jpg 768w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-500x500.jpg 500w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-100x100.jpg 100w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness.jpg 1254w\" sizes=\"(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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-90c4235 e-flex e-con-boxed e-con e-parent\" data-id=\"90c4235\" 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-aa4701e elementor-widget elementor-widget-heading\" data-id=\"aa4701e\" 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\">What Is Surface Roughness in Machining<\/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-e5565a4 e-flex e-con-boxed e-con e-parent\" data-id=\"e5565a4\" 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-0effc5b elementor-widget elementor-widget-text-editor\" data-id=\"0effc5b\" 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>Surface roughness refers to the small texture left on a part after machining or forming. In <a href=\"https:\/\/www.weforging.com\/cnc-machining-services\/\"><span style=\"text-decoration: underline;\"><strong><b>CNC machining<\/b><\/strong><\/span><\/a>, the surface is never completely smooth, and these tiny surface patterns can affect how a component performs during operation.<\/p><p>Common factors affecting surface roughness include:<\/p><ul><li>Cutting speed<\/li><li>Feed rate<\/li><li>Tool condition<\/li><li>Machine vibration<\/li><li>Material hardness<\/li><li>Coolant stability<\/li><\/ul><p>The most common parameter is surface roughness Ra. In general, lower Ra values indicate smoother surfaces.<\/p><p>For forged and machined components, surface roughness can influence sealing performance, wear resistance, lubrication stability, and assembly fit, especially in bearing seats, rotating shafts, and hydraulic sealing areas.<\/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-92d3f9a e-flex e-con-boxed e-con e-parent\" data-id=\"92d3f9a\" 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-9efd354 elementor-widget elementor-widget-image\" data-id=\"9efd354\" 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 decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision-1024x683.jpg\" class=\"attachment-large size-large wp-image-29726\" alt=\"Surface roughness comparison after CNC machining showing Ra 6.3 \u03bcm, Ra 3.2 \u03bcm, and Ra 0.8 \u03bcm finishes\" srcset=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision-1024x683.jpg 1024w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision-300x200.jpg 300w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision-768x512.jpg 768w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision-500x333.jpg 500w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/surface-roughness-comparision.jpg 1200w\" sizes=\"(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-243ef75 e-flex e-con-boxed e-con e-parent\" data-id=\"243ef75\" 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-58eab42 elementor-widget elementor-widget-heading\" data-id=\"58eab42\" 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\">Surface Finish vs Surface Roughness: What\u2019s the Difference?<\/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-bc21167 e-flex e-con-boxed e-con e-parent\" data-id=\"bc21167\" 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-c81e976 elementor-widget elementor-widget-text-editor\" data-id=\"c81e976\" 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>In machining, <strong><b>surface roughness<\/b><\/strong>\u00a0usually refers to the small machining marks left on a component surface and is commonly measured by <strong><b>Ra values<\/b><\/strong>.<\/p><p><strong><b>Surface finish<\/b><\/strong>\u00a0is a broader term that includes roughness, surface texture, and overall machining quality.<\/p><p>In OEM machining, Ra values are often specified on drawings to control:<\/p><ul><li>sealing performance<\/li><li>assembly fit<\/li><li>wear resistance<\/li><li>fatigue reliability<\/li><\/ul><p>Lower Ra values usually require additional finishing processes such as grinding, honing, or lapping.<\/p><table><tbody><tr><td><p><strong><b>Item<\/b><\/strong><\/p><\/td><td><p><strong><b>Surface Roughness<\/b><\/strong><\/p><\/td><td><p><strong><b>Surface Finish<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>Meaning<\/p><\/td><td><p>Surface texture<\/p><\/td><td><p>Overall surface quality<\/p><\/td><\/tr><tr><td><p>Measurement<\/p><\/td><td><p>Ra value<\/p><\/td><td><p>Includes roughness &amp; texture<\/p><\/td><\/tr><tr><td><p>Typical Use<\/p><\/td><td><p>Machining inspection<\/p><\/td><td><p>OEM drawing requirements<\/p><\/td><\/tr><\/tbody><\/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-33fa5e5 e-flex e-con-boxed e-con e-parent\" data-id=\"33fa5e5\" 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-d443a35 elementor-widget elementor-widget-heading\" data-id=\"d443a35\" 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\">Why Surface Roughness Matters in Machined Parts<\/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-53a218f e-flex e-con-boxed e-con e-parent\" data-id=\"53a218f\" 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-82427eb elementor-widget elementor-widget-text-editor\" data-id=\"82427eb\" 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>Machined parts are often used in heavy-duty applications where stable surface quality directly affects component performance.<\/p><p>Even with good material properties and machining accuracy, poor surface roughness can still cause operational problems over time.<\/p><p>Common issues caused by improper surface finish include:<\/p><ul><li>Increased friction<\/li><li>Seal leakage<\/li><li>Unstable lubrication<\/li><li>Faster surface wear<\/li><li>Poor assembly fit<\/li><\/ul><p>For OEM components, stable surface roughness is important for machining quality, sealing performance, and long-term reliability.<\/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-ea938b5 e-flex e-con-boxed e-con e-parent\" data-id=\"ea938b5\" 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-10f6492 elementor-widget elementor-widget-heading\" data-id=\"10f6492\" 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\">What Surface Roughness Ra Is Suitable for Machined Parts?<\/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-c1fa10f e-flex e-con-boxed e-con e-parent\" data-id=\"c1fa10f\" 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-01a0038 elementor-widget elementor-widget-text-editor\" data-id=\"01a0038\" 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>Different applications require different surface roughness levels. General machined parts usually allow higher Ra values, while bearing seats and sealing surfaces often require smoother finishes for stable fit and sealing performance.<\/p><table><tbody><tr><td><p><strong><b>Application Area<\/b><\/strong><\/p><\/td><td><p><strong><b>Recommended Ra<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>General machined parts<\/p><\/td><td><p>Ra 3.2\u20136.3 \u03bcm<\/p><\/td><\/tr><tr><td><p>Bearing seats<\/p><\/td><td><p>Ra 0.8\u20131.6 \u03bcm<\/p><\/td><\/tr><tr><td><p>Hydraulic sealing surfaces<\/p><\/td><td><p>Ra 0.4\u20131.6 \u03bcm<\/p><\/td><\/tr><\/tbody><\/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-d056eec e-flex e-con-boxed e-con e-parent\" data-id=\"d056eec\" 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-722a06f elementor-widget elementor-widget-heading\" data-id=\"722a06f\" 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\">Different Processes for Different Surface Roughness Levels<\/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-cd38fc5 e-flex e-con-boxed e-con e-parent\" data-id=\"cd38fc5\" 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-a359fb0 elementor-widget elementor-widget-text-editor\" data-id=\"a359fb0\" 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>Different surface roughness levels usually require different machining processes, equipment, and finishing methods.<\/p><p>General machined parts are commonly finished by turning or milling, while lower Ra values often require grinding, honing, polishing, or lapping processes with tighter machining control.<\/p><h3>Surface Roughness, Process, and Cost Reference<\/h3><table><tbody><tr><td><p><strong><b>Ra Value<\/b><\/strong><\/p><\/td><td><p><strong><b>Typical Process<\/b><\/strong><\/p><\/td><td><p><strong><b>Typical Equipment<\/b><\/strong><\/p><\/td><td><p><strong><b>Common Finishing Method<\/b><\/strong><\/p><\/td><td><p><strong><b>Relative Cost<\/b><\/strong><\/p><\/td><\/tr><tr><td><p>Ra 6.3 \u03bcm<\/p><\/td><td><p>Rough Turning<\/p><\/td><td><p>CNC Lathe<\/p><\/td><td><p>None \/ Basic Machining<\/p><\/td><td><p>Low<\/p><\/td><\/tr><tr><td><p>Ra 3.2 \u03bcm<\/p><\/td><td><p>Finish Turning \/ Milling<\/p><\/td><td><p>CNC Machining Center<\/p><\/td><td><p>Fine Cutting<\/p><\/td><td><p>Low\u2013Medium<\/p><\/td><\/tr><tr><td><p>Ra 1.6 \u03bcm<\/p><\/td><td><p>Grinding<\/p><\/td><td><p>Cylindrical Grinder<\/p><\/td><td><p>Surface Grinding<\/p><\/td><td><p>Medium<\/p><\/td><\/tr><tr><td><p>Ra 0.8 \u03bcm<\/p><\/td><td><p>Precision Grinding<\/p><\/td><td><p>CNC Grinder<\/p><\/td><td><p>Fine Grinding \/ Polishing<\/p><\/td><td><p>Medium\u2013High<\/p><\/td><\/tr><tr><td><p>Below Ra 0.4 \u03bcm<\/p><\/td><td><p>Honing \/ Lapping<\/p><\/td><td><p>Honing Machine<\/p><\/td><td><p>Honing \/ Lapping \/ Superfinishing<\/p><\/td><td><p>High<\/p><\/td><\/tr><\/tbody><\/table><p>Lower Ra values usually require additional finishing operations, slower machining speeds, tighter tooling control, and more inspection time, which can significantly increase manufacturing cost.<\/p><p>In actual production, Ra 0.8 \u03bcm or below often requires multiple finishing operations and additional inspection time, especially for sealing and rotating contact surfaces.<\/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-259f347 e-flex e-con-boxed e-con e-parent\" data-id=\"259f347\" 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-8510e55 elementor-widget elementor-widget-heading\" data-id=\"8510e55\" 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\">How Does Surface Roughness Affect Fatigue Resistance?<\/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-c43b873 e-flex e-con-boxed e-con e-parent\" data-id=\"c43b873\" 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-b823310 elementor-widget elementor-widget-text-editor\" data-id=\"b823310\" 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>Surface roughness has a direct influence on <a href=\"https:\/\/www.weforging.com\/fatigue-resistance-in-forgings\/\"><span style=\"text-decoration: underline;\"><strong><b>fatigue resistance<\/b><\/strong><\/span><\/a>\u00a0in machined components. In heavy equipment applications, fatigue cracks often start from the surface under repeated loading and vibration.<\/p><p>If the surface finish is too rough, small machining marks can become stress concentration points. Over time, these areas are more likely to develop cracks and shorten component service life.<\/p><p>This is especially important for:<\/p><ul><li>Forged shafts<\/li><li>Bearing seats<\/li><li>Gear blanks<\/li><li>Rotating components<\/li><\/ul><p>For these parts, tighter surface roughness control after CNC machining is often necessary to improve long-term reliability.<\/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-52874e0 e-flex e-con-boxed e-con e-parent\" data-id=\"52874e0\" 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-5e51d3d elementor-widget elementor-widget-heading\" data-id=\"5e51d3d\" 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\">Surface Roughness Measurement in Machined Components<\/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-3d7f13c e-flex e-con-boxed e-con e-parent\" data-id=\"3d7f13c\" 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-d8f0b33 elementor-widget elementor-widget-text-editor\" data-id=\"d8f0b33\" 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>Surface roughness measurement is an important part of machining quality control. In industrial manufacturing, profilometers and surface roughness gauges are commonly used to verify Ra values before shipment.<\/p><p>Stable roughness inspection helps manufacturers:<\/p><ul><li>Verify machining quality<\/li><li>Reduce assembly issues<\/li><li>Improve batch consistency<\/li><li>Meet OEM inspection requirements<\/li><li>Maintain quality traceability<\/li><\/ul><p>In many industrial applications, roughness inspection is often performed together with dimensional inspection and hardness testing.<\/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-dbeb5f4 e-flex e-con-boxed e-con e-parent\" data-id=\"dbeb5f4\" 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-525f6ab elementor-widget elementor-widget-heading\" data-id=\"525f6ab\" 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\">Surface Roughness Measurement with Mitutoyo Testers<\/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-966fe57 e-flex e-con-boxed e-con e-parent\" data-id=\"966fe57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1fd087f e-con-full e-flex e-con e-child\" data-id=\"1fd087f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-345b08c elementor-widget elementor-widget-text-editor\" data-id=\"345b08c\" 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 data-start=\"7\" data-end=\"135\">Surface roughness measurement helps maintain machining quality, especially for CNC machined parts with tighter OEM requirements.<\/p><p data-start=\"137\" data-end=\"345\">Mitutoyo surface roughness testers are commonly used to measure Ra values and check machining consistency. Compared with visual inspection, probe-based measurement provides more stable and repeatable results.<\/p><p data-section-id=\"16lti6q\" data-start=\"347\" data-end=\"405\"><strong>Advantages of Using Mitutoyo Surface Roughness Testers<\/strong><\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"407\" data-end=\"605\"><thead data-start=\"407\" data-end=\"430\"><tr data-start=\"407\" data-end=\"430\"><th class=\"last:pe-10\" data-start=\"407\" data-end=\"419\" data-col-size=\"sm\"><strong>Advantage<\/strong><\/th><th class=\"last:pe-10\" data-start=\"419\" data-end=\"430\" data-col-size=\"sm\"><strong>Benefit<\/strong><\/th><\/tr><\/thead><tbody data-start=\"441\" data-end=\"605\"><tr data-start=\"441\" data-end=\"502\"><td data-start=\"441\" data-end=\"467\" data-col-size=\"sm\">Accurate Ra measurement<\/td><td data-start=\"467\" data-end=\"502\" data-col-size=\"sm\">Improves inspection consistency<\/td><\/tr><tr data-start=\"503\" data-end=\"553\"><td data-start=\"503\" data-end=\"524\" data-col-size=\"sm\">Repeatable results<\/td><td data-col-size=\"sm\" data-start=\"524\" data-end=\"553\">Reduces quality variation<\/td><\/tr><tr data-start=\"554\" data-end=\"605\"><td data-start=\"554\" data-end=\"576\" data-col-size=\"sm\">Portable inspection<\/td><td data-start=\"576\" data-end=\"605\" data-col-size=\"sm\">Suitable for workshop use<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"607\" data-end=\"747\">For bearing seats, sealing surfaces, and other precision contact areas, stable roughness inspection is an important part of quality control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16c6e27 e-con-full e-flex e-con e-child\" data-id=\"16c6e27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d746e7 elementor-widget elementor-widget-image\" data-id=\"2d746e7\" 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 decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-1024x1024.jpg\" class=\"attachment-large size-large wp-image-29730\" alt=\"Mitutoyo surface roughness tester measuring Ra value on precision CNC machined component\" srcset=\"https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-1024x1024.jpg 1024w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-300x300.jpg 300w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-150x150.jpg 150w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-768x768.jpg 768w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-500x500.jpg 500w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers-100x100.jpg 100w, https:\/\/www.weforging.com\/wp-content\/uploads\/2026\/05\/Mitutoyo-surface-roughness-testers.jpg 1254w\" sizes=\"(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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-720834d e-flex e-con-boxed e-con e-parent\" data-id=\"720834d\" 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-5eb313d elementor-widget elementor-widget-heading\" data-id=\"5eb313d\" 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\">Conclusion<\/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-bc646bf e-flex e-con-boxed e-con e-parent\" data-id=\"bc646bf\" 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-049556f elementor-widget elementor-widget-text-editor\" data-id=\"049556f\" 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>Surface roughness is more than a machining specification. It directly affects sealing performance, wear resistance, fatigue life, and assembly stability in machined components.<\/p><p>Different applications require different Ra values, and achieving stable surface finish often depends on the right machining process, equipment, and inspection method. From CNC turning and grinding to honing and roughness measurement, every step influences final component quality.<\/p><p>For OEM machined parts, stable surface roughness control helps improve long-term reliability and production consistency.<\/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-a66ca4d e-flex e-con-boxed e-con e-parent\" data-id=\"a66ca4d\" 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-e9611e4 elementor-widget elementor-widget-button\" data-id=\"e9611e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.weforging.com\/get-a-quote\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send Your Drawing for Evaluation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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-6098e75 e-flex e-con-boxed e-con e-parent\" data-id=\"6098e75\" 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-05f8fab elementor-widget elementor-widget-elementskit-faq\" data-id=\"05f8fab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-faq.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n                <div class=\"elementskit-single-faq elementor-repeater-item-bc26b6d\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">What surface roughness Ra is commonly used for machined parts?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                For general machined parts, Ra 3.2\u20136.3 \u03bcm is commonly used. Bearing seats, sealing surfaces, and precision contact areas usually require lower Ra values such as Ra 0.8\u20131.6 \u03bcm.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-43aea0e\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">How does surface roughness affect machined part performance?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Surface roughness can affect sealing performance, wear resistance, lubrication stability, assembly fit, and fatigue resistance. Improper surface finish may reduce long-term component reliability.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-c7e4fa1\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Which machining processes are used to achieve lower Ra values?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Lower Ra values are usually achieved through grinding, honing, polishing, or lapping after CNC machining. Different finishing processes are selected based on OEM drawing requirements and application areas.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-93614e1\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">What equipment is commonly used for surface roughness control?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Common equipment includes CNC lathes, machining centers, cylindrical grinders, honing machines, and surface roughness testers such as Mitutoyo profilometers.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-828ddf7\">\n            <div class=\"elementskit-faq-header\">\n                <h2 class=\"elementskit-faq-title\">Why is surface roughness important for bearing and sealing areas?<\/h2>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                Bearing seats and sealing surfaces usually require smoother finishes to reduce leakage, vibration, uneven wear, and unstable assembly fit during operation.            <\/div>\n        <\/div>\n                                <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What surface roughness Ra is commonly used for machined parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For general machined parts, Ra 3.2\u20136.3 \u03bcm is commonly used. 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In heavy equipment, hydraulic [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":29723,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3293],"tags":[],"class_list":["post-29739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conoscenza-del-settore"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.1 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Surface Roughness Affects Machined Part Performance - Quanzhou Weforging Machinery Manufacturing Co., Ltd.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.weforging.com\/it\/surface-roughness-machined-part-performance\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Surface Roughness Affects Machined Part Performance\" \/>\n<meta property=\"og:description\" content=\"How Surface Roughness Affects Machined Part Performance Surface roughness\u00a0affects more than surface appearance in machined parts. 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Performance\",\"header_size\":\"h1\",\"align\":\"center\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"9c061cb\"}],\"_border_border\":\"double\"},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"af13c9a\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"row\",\"flex_gap\":{\"unit\":\"px\",\"size\":0,\"column\":\"0\",\"row\":\"0\"},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"3fbda31\"}]},\"elements\":[{\"id\":\"e2cdc85\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":\"50\"},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"d472736\"}]},\"elements\":[{\"id\":\"7dc2667\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong><b>Surface roughness<\\\/b><\\\/strong>\\u00a0affects more than surface appearance in machined parts. In heavy equipment, hydraulic systems, and rotating components, improper surface finish may lead to sealing problems, unstable bearing fit, accelerated wear, or reduced fatigue life.<\\\/p><p>This is why OEM engineers often specify surface roughness Ra values on technical drawings, especially for bearing seats, sealing surfaces, and other critical contact areas.<\\\/p><p>In industrial manufacturing, stable surface roughness control helps improve machining consistency, assembly reliability, and long-term component durability. This article explains common Ra values, machining considerations, and how surface roughness measurement supports machining quality control.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"0100b6a\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true},{\"id\":\"40fe596\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":\"50\"},\"flex_justify_content\":\"center\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"65368c0\"}]},\"elements\":[{\"id\":\"88e0182\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.weforging.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/surface-roughness.jpg\",\"id\":29721,\"size\":\"\",\"alt\":\"Surface roughness measurement on CNC machined metal part using industrial roughness tester\",\"source\":\"library\"},\"width\":{\"unit\":\"%\",\"size\":85,\"sizes\":[]},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"0ab2a00\"}]},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true}],\"isInner\":false},{\"id\":\"90c4235\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"fe5d819\"}]},\"elements\":[{\"id\":\"aa4701e\",\"elType\":\"widget\",\"settings\":{\"title\":\"What Is Surface Roughness in Machining\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"f468f5c\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"e5565a4\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"d828a1c\"}]},\"elements\":[{\"id\":\"0effc5b\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Surface roughness refers to the small texture left on a part after machining or forming. In <a href=\\\"https:\\\/\\\/www.weforging.com\\\/cnc-machining-services\\\/\\\"><span style=\\\"text-decoration: underline;\\\"><strong><b>CNC machining<\\\/b><\\\/strong><\\\/span><\\\/a>, the surface is never completely smooth, and these tiny surface patterns can affect how a component performs during operation.<\\\/p><p>Common factors affecting surface roughness include:<\\\/p><ul><li>Cutting speed<\\\/li><li>Feed rate<\\\/li><li>Tool condition<\\\/li><li>Machine vibration<\\\/li><li>Material hardness<\\\/li><li>Coolant stability<\\\/li><\\\/ul><p>The most common parameter is surface roughness Ra. In general, lower Ra values indicate smoother surfaces.<\\\/p><p>For forged and machined components, surface roughness can influence sealing performance, wear resistance, lubrication stability, and assembly fit, especially in bearing seats, rotating shafts, and hydraulic sealing areas.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"c77307f\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"92d3f9a\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"9993ac9\"}]},\"elements\":[{\"id\":\"9efd354\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.weforging.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/surface-roughness-comparision.jpg\",\"id\":29726,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"%\",\"size\":81,\"sizes\":[]},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"b7941a3\"}]},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":false},{\"id\":\"243ef75\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"490d8f0\"}]},\"elements\":[{\"id\":\"58eab42\",\"elType\":\"widget\",\"settings\":{\"title\":\"Surface Finish vs Surface Roughness: What\\u2019s the Difference?\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"afaf733\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"bc21167\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"02be101\"}]},\"elements\":[{\"id\":\"c81e976\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>In machining, <strong><b>surface roughness<\\\/b><\\\/strong>\\u00a0usually refers to the small machining marks left on a component surface and is commonly measured by <strong><b>Ra values<\\\/b><\\\/strong>.<\\\/p><p><strong><b>Surface finish<\\\/b><\\\/strong>\\u00a0is a broader term that includes roughness, surface texture, and overall machining quality.<\\\/p><p>In OEM machining, Ra values are often specified on drawings to control:<\\\/p><ul><li>sealing performance<\\\/li><li>assembly fit<\\\/li><li>wear resistance<\\\/li><li>fatigue reliability<\\\/li><\\\/ul><p>Lower Ra values usually require additional finishing processes such as grinding, honing, or lapping.<\\\/p><table><tbody><tr><td><p><strong><b>Item<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Surface Roughness<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Surface Finish<\\\/b><\\\/strong><\\\/p><\\\/td><\\\/tr><tr><td><p>Meaning<\\\/p><\\\/td><td><p>Surface texture<\\\/p><\\\/td><td><p>Overall surface quality<\\\/p><\\\/td><\\\/tr><tr><td><p>Measurement<\\\/p><\\\/td><td><p>Ra value<\\\/p><\\\/td><td><p>Includes roughness &amp; texture<\\\/p><\\\/td><\\\/tr><tr><td><p>Typical Use<\\\/p><\\\/td><td><p>Machining inspection<\\\/p><\\\/td><td><p>OEM drawing requirements<\\\/p><\\\/td><\\\/tr><\\\/tbody><\\\/table>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"1849936\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"33fa5e5\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"1666dff\"}]},\"elements\":[{\"id\":\"d443a35\",\"elType\":\"widget\",\"settings\":{\"title\":\"Why Surface Roughness Matters in Machined Parts\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"9fd933e\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"53a218f\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"bfbe121\"}]},\"elements\":[{\"id\":\"82427eb\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Machined parts are often used in heavy-duty applications where stable surface quality directly affects component performance.<\\\/p><p>Even with good material properties and machining accuracy, poor surface roughness can still cause operational problems over time.<\\\/p><p>Common issues caused by improper surface finish include:<\\\/p><ul><li>Increased friction<\\\/li><li>Seal leakage<\\\/li><li>Unstable lubrication<\\\/li><li>Faster surface wear<\\\/li><li>Poor assembly fit<\\\/li><\\\/ul><p>For OEM components, stable surface roughness is important for machining quality, sealing performance, and long-term reliability.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"dcaa888\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"ea938b5\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"78953d5\"}]},\"elements\":[{\"id\":\"10f6492\",\"elType\":\"widget\",\"settings\":{\"title\":\"What Surface Roughness Ra Is Suitable for Machined Parts?\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"56d379c\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"c1fa10f\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"2a684d8\"}]},\"elements\":[{\"id\":\"01a0038\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Different applications require different surface roughness levels. General machined parts usually allow higher Ra values, while bearing seats and sealing surfaces often require smoother finishes for stable fit and sealing performance.<\\\/p><table><tbody><tr><td><p><strong><b>Application Area<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Recommended Ra<\\\/b><\\\/strong><\\\/p><\\\/td><\\\/tr><tr><td><p>General machined parts<\\\/p><\\\/td><td><p>Ra 3.2\\u20136.3 \\u03bcm<\\\/p><\\\/td><\\\/tr><tr><td><p>Bearing seats<\\\/p><\\\/td><td><p>Ra 0.8\\u20131.6 \\u03bcm<\\\/p><\\\/td><\\\/tr><tr><td><p>Hydraulic sealing surfaces<\\\/p><\\\/td><td><p>Ra 0.4\\u20131.6 \\u03bcm<\\\/p><\\\/td><\\\/tr><\\\/tbody><\\\/table>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"7163497\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"d056eec\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"2e40c1a\"}]},\"elements\":[{\"id\":\"722a06f\",\"elType\":\"widget\",\"settings\":{\"title\":\"Different Processes for Different Surface Roughness Levels\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"933117a\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"cd38fc5\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"5b4787c\"}]},\"elements\":[{\"id\":\"a359fb0\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Different surface roughness levels usually require different machining processes, equipment, and finishing methods.<\\\/p><p>General machined parts are commonly finished by turning or milling, while lower Ra values often require grinding, honing, polishing, or lapping processes with tighter machining control.<\\\/p><h3>Surface Roughness, Process, and Cost Reference<\\\/h3><table><tbody><tr><td><p><strong><b>Ra Value<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Typical Process<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Typical Equipment<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Common Finishing Method<\\\/b><\\\/strong><\\\/p><\\\/td><td><p><strong><b>Relative Cost<\\\/b><\\\/strong><\\\/p><\\\/td><\\\/tr><tr><td><p>Ra 6.3 \\u03bcm<\\\/p><\\\/td><td><p>Rough Turning<\\\/p><\\\/td><td><p>CNC Lathe<\\\/p><\\\/td><td><p>None \\\/ Basic Machining<\\\/p><\\\/td><td><p>Low<\\\/p><\\\/td><\\\/tr><tr><td><p>Ra 3.2 \\u03bcm<\\\/p><\\\/td><td><p>Finish Turning \\\/ Milling<\\\/p><\\\/td><td><p>CNC Machining Center<\\\/p><\\\/td><td><p>Fine Cutting<\\\/p><\\\/td><td><p>Low\\u2013Medium<\\\/p><\\\/td><\\\/tr><tr><td><p>Ra 1.6 \\u03bcm<\\\/p><\\\/td><td><p>Grinding<\\\/p><\\\/td><td><p>Cylindrical Grinder<\\\/p><\\\/td><td><p>Surface Grinding<\\\/p><\\\/td><td><p>Medium<\\\/p><\\\/td><\\\/tr><tr><td><p>Ra 0.8 \\u03bcm<\\\/p><\\\/td><td><p>Precision Grinding<\\\/p><\\\/td><td><p>CNC Grinder<\\\/p><\\\/td><td><p>Fine Grinding \\\/ Polishing<\\\/p><\\\/td><td><p>Medium\\u2013High<\\\/p><\\\/td><\\\/tr><tr><td><p>Below Ra 0.4 \\u03bcm<\\\/p><\\\/td><td><p>Honing \\\/ Lapping<\\\/p><\\\/td><td><p>Honing Machine<\\\/p><\\\/td><td><p>Honing \\\/ Lapping \\\/ Superfinishing<\\\/p><\\\/td><td><p>High<\\\/p><\\\/td><\\\/tr><\\\/tbody><\\\/table><p>Lower Ra values usually require additional finishing operations, slower machining speeds, tighter tooling control, and more inspection time, which can significantly increase manufacturing cost.<\\\/p><p>In actual production, Ra 0.8 \\u03bcm or below often requires multiple finishing operations and additional inspection time, especially for sealing and rotating contact surfaces.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"0164fdb\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"259f347\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"6cdf9af\"}]},\"elements\":[{\"id\":\"8510e55\",\"elType\":\"widget\",\"settings\":{\"title\":\"How Does Surface Roughness Affect Fatigue Resistance?\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"9e69bcf\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"c43b873\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"1ba6540\"}]},\"elements\":[{\"id\":\"b823310\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Surface roughness has a direct influence on <a href=\\\"https:\\\/\\\/www.weforging.com\\\/fatigue-resistance-in-forgings\\\/\\\"><span style=\\\"text-decoration: underline;\\\"><strong><b>fatigue resistance<\\\/b><\\\/strong><\\\/span><\\\/a>\\u00a0in machined components. In heavy equipment applications, fatigue cracks often start from the surface under repeated loading and vibration.<\\\/p><p>If the surface finish is too rough, small machining marks can become stress concentration points. Over time, these areas are more likely to develop cracks and shorten component service life.<\\\/p><p>This is especially important for:<\\\/p><ul><li>Forged shafts<\\\/li><li>Bearing seats<\\\/li><li>Gear blanks<\\\/li><li>Rotating components<\\\/li><\\\/ul><p>For these parts, tighter surface roughness control after CNC machining is often necessary to improve long-term reliability.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"65c8382\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"52874e0\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"c55a950\"}]},\"elements\":[{\"id\":\"5e51d3d\",\"elType\":\"widget\",\"settings\":{\"title\":\"Surface Roughness Measurement in Machined Components\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"c2a24b2\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"3d7f13c\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"38cec89\"}]},\"elements\":[{\"id\":\"d8f0b33\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Surface roughness measurement is an important part of machining quality control. In industrial manufacturing, profilometers and surface roughness gauges are commonly used to verify Ra values before shipment.<\\\/p><p>Stable roughness inspection helps manufacturers:<\\\/p><ul><li>Verify machining quality<\\\/li><li>Reduce assembly issues<\\\/li><li>Improve batch consistency<\\\/li><li>Meet OEM inspection requirements<\\\/li><li>Maintain quality traceability<\\\/li><\\\/ul><p>In many industrial applications, roughness inspection is often performed together with dimensional inspection and hardness testing.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"1b2ce1f\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"dbeb5f4\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"d63cac4\"}]},\"elements\":[{\"id\":\"525f6ab\",\"elType\":\"widget\",\"settings\":{\"title\":\"Surface Roughness Measurement with Mitutoyo Testers\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"c194e9e\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"966fe57\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"row\",\"flex_gap\":{\"unit\":\"px\",\"size\":0,\"column\":\"0\",\"row\":\"0\"},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"a92e066\"}]},\"elements\":[{\"id\":\"1fd087f\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":\"50\"},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"f9ac96f\"}]},\"elements\":[{\"id\":\"345b08c\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p data-start=\\\"7\\\" data-end=\\\"135\\\">Surface roughness measurement helps maintain machining quality, especially for CNC machined parts with tighter OEM requirements.<\\\/p><p data-start=\\\"137\\\" data-end=\\\"345\\\">Mitutoyo surface roughness testers are commonly used to measure Ra values and check machining consistency. Compared with visual inspection, probe-based measurement provides more stable and repeatable results.<\\\/p><p data-section-id=\\\"16lti6q\\\" data-start=\\\"347\\\" data-end=\\\"405\\\"><strong>Advantages of Using Mitutoyo Surface Roughness Testers<\\\/strong><\\\/p><div class=\\\"TyagGW_tableContainer\\\"><div class=\\\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\\\" tabindex=\\\"-1\\\"><table class=\\\"w-fit min-w-(--thread-content-width)\\\" data-start=\\\"407\\\" data-end=\\\"605\\\"><thead data-start=\\\"407\\\" data-end=\\\"430\\\"><tr data-start=\\\"407\\\" data-end=\\\"430\\\"><th class=\\\"last:pe-10\\\" data-start=\\\"407\\\" data-end=\\\"419\\\" data-col-size=\\\"sm\\\"><strong>Advantage<\\\/strong><\\\/th><th class=\\\"last:pe-10\\\" data-start=\\\"419\\\" data-end=\\\"430\\\" data-col-size=\\\"sm\\\"><strong>Benefit<\\\/strong><\\\/th><\\\/tr><\\\/thead><tbody data-start=\\\"441\\\" data-end=\\\"605\\\"><tr data-start=\\\"441\\\" data-end=\\\"502\\\"><td data-start=\\\"441\\\" data-end=\\\"467\\\" data-col-size=\\\"sm\\\">Accurate Ra measurement<\\\/td><td data-start=\\\"467\\\" data-end=\\\"502\\\" data-col-size=\\\"sm\\\">Improves inspection consistency<\\\/td><\\\/tr><tr data-start=\\\"503\\\" data-end=\\\"553\\\"><td data-start=\\\"503\\\" data-end=\\\"524\\\" data-col-size=\\\"sm\\\">Repeatable results<\\\/td><td data-col-size=\\\"sm\\\" data-start=\\\"524\\\" data-end=\\\"553\\\">Reduces quality variation<\\\/td><\\\/tr><tr data-start=\\\"554\\\" data-end=\\\"605\\\"><td data-start=\\\"554\\\" data-end=\\\"576\\\" data-col-size=\\\"sm\\\">Portable inspection<\\\/td><td data-start=\\\"576\\\" data-end=\\\"605\\\" data-col-size=\\\"sm\\\">Suitable for workshop use<\\\/td><\\\/tr><\\\/tbody><\\\/table><\\\/div><\\\/div><p data-start=\\\"607\\\" data-end=\\\"747\\\">For bearing seats, sealing surfaces, and other precision contact areas, stable roughness inspection is an important part of quality control.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"3cde96f\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true},{\"id\":\"16c6e27\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":\"50\"},\"flex_justify_content\":\"center\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"05e2c05\"}]},\"elements\":[{\"id\":\"2d746e7\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.weforging.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/Mitutoyo-surface-roughness-testers.jpg\",\"id\":29730,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"%\",\"size\":85,\"sizes\":[]},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"9594e7c\"}]},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true}],\"isInner\":false},{\"id\":\"720834d\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"8bbd8cf\"}]},\"elements\":[{\"id\":\"5eb313d\",\"elType\":\"widget\",\"settings\":{\"title\":\"Conclusion\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"22d3c58\"}]},\"elements\":[],\"widgetType\":\"heading\"}],\"isInner\":false},{\"id\":\"bc646bf\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"cd4b988\"}]},\"elements\":[{\"id\":\"049556f\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Surface roughness is more than a machining specification. It directly affects sealing performance, wear resistance, fatigue life, and assembly stability in machined components.<\\\/p><p>Different applications require different Ra values, and achieving stable surface finish often depends on the right machining process, equipment, and inspection method. From CNC turning and grinding to honing and roughness measurement, every step influences final component quality.<\\\/p><p>For OEM machined parts, stable surface roughness control helps improve long-term reliability and production consistency.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"f7c7bd6\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"a66ca4d\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"bb2b460\"}]},\"elements\":[{\"id\":\"e9611e4\",\"elType\":\"widget\",\"settings\":{\"text\":\"Send Your Drawing for Evaluation\",\"link\":{\"url\":\"https:\\\/\\\/www.weforging.com\\\/get-a-quote\\\/\",\"is_external\":\"\",\"nofollow\":\"\",\"custom_attributes\":\"\"},\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"f52a4d6\"}]},\"elements\":[],\"widgetType\":\"button\"}],\"isInner\":false},{\"id\":\"6098e75\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"31c6e4e\"}]},\"elements\":[{\"id\":\"05f8fab\",\"elType\":\"widget\",\"settings\":{\"ekit_faq_content_items\":[{\"ekit_faq_title\":\"What surface roughness Ra is commonly used for machined parts?\",\"ekit_faq_content\":\"For general machined parts, Ra 3.2\\u20136.3 \\u03bcm is commonly used. Bearing seats, sealing surfaces, and precision contact areas usually require lower Ra values such as Ra 0.8\\u20131.6 \\u03bcm.\",\"_id\":\"bc26b6d\"},{\"ekit_faq_title\":\"How does surface roughness affect machined part performance?\",\"ekit_faq_content\":\"Surface roughness can affect sealing performance, wear resistance, lubrication stability, assembly fit, and fatigue resistance. Improper surface finish may reduce long-term component reliability.\",\"_id\":\"43aea0e\"},{\"ekit_faq_title\":\"Which machining processes are used to achieve lower Ra values?\",\"ekit_faq_content\":\"Lower Ra values are usually achieved through grinding, honing, polishing, or lapping after CNC machining. Different finishing processes are selected based on OEM drawing requirements and application areas.\",\"_id\":\"c7e4fa1\"},{\"ekit_faq_title\":\"What equipment is commonly used for surface roughness control?\",\"ekit_faq_content\":\"Common equipment includes CNC lathes, machining centers, cylindrical grinders, honing machines, and surface roughness testers such as Mitutoyo profilometers.\",\"_id\":\"93614e1\"},{\"ekit_faq_title\":\"Why is surface roughness important for bearing and sealing areas?\",\"ekit_faq_content\":\"Bearing seats and sealing surfaces usually require smoother finishes to reduce leakage, vibration, uneven wear, and unstable assembly fit during 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class=\\\"elementor-element elementor-element-ea938b5 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"ea938b5\\\" 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-10f6492 elementor-widget elementor-widget-heading\\\" data-id=\\\"10f6492\\\" 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\\\">What Surface Roughness Ra Is Suitable for Machined Parts?<\\\/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-c1fa10f e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"c1fa10f\\\" data-element_type=\\\"container\\\" data-e-type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div 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class=\\\"elementor-element elementor-element-d056eec e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"d056eec\\\" 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-722a06f elementor-widget elementor-widget-heading\\\" data-id=\\\"722a06f\\\" 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\\\">Different Processes for Different Surface Roughness Levels<\\\/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-cd38fc5 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"cd38fc5\\\" data-element_type=\\\"container\\\" data-e-type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div 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class=\\\"elementor-element elementor-element-52874e0 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"52874e0\\\" 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-5e51d3d elementor-widget elementor-widget-heading\\\" data-id=\\\"5e51d3d\\\" 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\\\">Surface Roughness Measurement in Machined Components<\\\/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-3d7f13c e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"3d7f13c\\\" data-element_type=\\\"container\\\" data-e-type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div class=\\\"e-con-inner\\\">\\n\\t\\t[elementor-element k=\\\"75880ca98d8cbf418ad84d30fbfb125f\\\" 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class=\\\"elementor-element elementor-element-dbeb5f4 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"dbeb5f4\\\" 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-525f6ab elementor-widget elementor-widget-heading\\\" data-id=\\\"525f6ab\\\" 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\\\">Surface Roughness Measurement with Mitutoyo Testers<\\\/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-966fe57 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"966fe57\\\" data-element_type=\\\"container\\\" data-e-type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div 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class=\\\"elementor-element elementor-element-720834d e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"720834d\\\" 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-5eb313d elementor-widget elementor-widget-heading\\\" data-id=\\\"5eb313d\\\" 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\\\">Conclusion<\\\/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-bc646bf e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"bc646bf\\\" data-element_type=\\\"container\\\" data-e-type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div class=\\\"e-con-inner\\\">\\n\\t\\t[elementor-element k=\\\"75880ca98d8cbf418ad84d30fbfb125f\\\" 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class=\\\"elementor-element elementor-element-a66ca4d e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"a66ca4d\\\" 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-e9611e4 elementor-widget elementor-widget-button\\\" data-id=\\\"e9611e4\\\" data-element_type=\\\"widget\\\" data-e-type=\\\"widget\\\" data-widget_type=\\\"button.default\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-widget-container\\\">\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t<div class=\\\"elementor-button-wrapper\\\">\\n\\t\\t\\t\\t\\t<a class=\\\"elementor-button elementor-button-link elementor-size-sm\\\" href=\\\"https:\\\/\\\/www.weforging.com\\\/get-a-quote\\\/\\\">\\n\\t\\t\\t\\t\\t\\t<span class=\\\"elementor-button-content-wrapper\\\">\\n\\t\\t\\t\\t\\t\\t\\t\\t\\t<span class=\\\"elementor-button-text\\\">Send Your Drawing for Evaluation<\\\/span>\\n\\t\\t\\t\\t\\t<\\\/span>\\n\\t\\t\\t\\t\\t<\\\/a>\\n\\t\\t\\t\\t<\\\/div>\\n\\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-6098e75 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"6098e75\\\" 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-05f8fab elementor-widget elementor-widget-elementskit-faq\\\" data-id=\\\"05f8fab\\\" data-element_type=\\\"widget\\\" data-e-type=\\\"widget\\\" data-widget_type=\\\"elementskit-faq.default\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-widget-container\\\">\\n\\t\\t\\t\\t\\t<div class=\\\"ekit-wid-con\\\" >\\n                <div class=\\\"elementskit-single-faq elementor-repeater-item-bc26b6d\\\">\\n            <div class=\\\"elementskit-faq-header\\\">\\n                <h2 class=\\\"elementskit-faq-title\\\">What surface roughness Ra is commonly used for machined parts?<\\\/h2>\\n            <\\\/div>\\n            <div class=\\\"elementskit-faq-body\\\">\\n                For general machined parts, Ra 3.2\\u20136.3 \\u03bcm is commonly used. 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