{"id":2881,"date":"2026-07-12T11:19:05","date_gmt":"2026-07-12T11:19:05","guid":{"rendered":"https:\/\/likundacnc.com\/cnc%e9%9b%b6%e4%bb%b6%e5%b8%b8%e8%a7%81%e8%a1%a8%e9%9d%a2%e5%a4%84%e7%90%86%e5%b7%a5%e8%89%ba%e4%bb%8b%e7%bb%8d%ef%bc%9a%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%e4%b8%8e%e5%a4%96%e8%a7%82%e8%b4%a8\/"},"modified":"2026-07-29T06:29:36","modified_gmt":"2026-07-29T06:29:36","slug":"cnc-surface-finishing-processes","status":"publish","type":"post","link":"https:\/\/likundacnc.com\/en\/cnc-surface-finishing-processes\/","title":{"rendered":"Common Surface Treatment Processes for CNC Parts: Improving Performance and Appearance Quality"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Why Do CNC Parts Need Surface Treatment?<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-8b97ba0\" data-block-id=\"8b97ba0\"><style>.stk-8b97ba0 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-8b97ba0 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-8b97ba0 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1824\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/aluminum-parts-anodizing-dyeing-processing-scene.webp\" width=\"1200\" height=\"900\" alt=\"Aluminum CNC machined parts immersed in anodizing tank for blue anodized surface finishing process\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/aluminum-parts-anodizing-dyeing-processing-scene.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/aluminum-parts-anodizing-dyeing-processing-scene-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/aluminum-parts-anodizing-dyeing-processing-scene-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/aluminum-parts-anodizing-dyeing-processing-scene-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">During CNC machining, cutting tools directly contact the material surface to achieve the final dimensions and geometry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although precision machining can achieve tight tolerances, many components require additional surface enhancement to perform reliably in real-world operating environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main purposes of surface treatment include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improving corrosion resistance<\/li>\n\n\n\n<li>Increasing surface hardness<\/li>\n\n\n\n<li>Enhancing wear resistance<\/li>\n\n\n\n<li>Improving appearance quality<\/li>\n\n\n\n<li>Extending service life<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum alloy parts can achieve improved corrosion resistance through anodizing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Steel components can obtain higher surface hardness and wear resistance through proper surface treatment and heat treatment processes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1.Anodizing<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-2377895\" data-block-id=\"2377895\"><style>.stk-2377895 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-2377895 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-2377895 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1823\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-machined-multi-color-anodized-aluminum-parts.webp\" width=\"1200\" height=\"900\" alt=\"Display of anodized aluminum CNC precision machined parts in red, blue, black and natural finishes\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-machined-multi-color-anodized-aluminum-parts.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-machined-multi-color-anodized-aluminum-parts-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-machined-multi-color-anodized-aluminum-parts-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-machined-multi-color-anodized-aluminum-parts-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Is Anodizing?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Anodizing is one of the most widely used surface treatment processes for aluminum CNC parts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Through an electrochemical process, a protective oxide layer is formed on the aluminum surface.<\/p>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-8d574bf\" data-block-id=\"8d574bf\"><style>.stk-8d574bf .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-8d574bf .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-8d574bf .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1822\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/mass-aluminum-parts-anodizing-production-line-workshop.webp\" width=\"1200\" height=\"900\" alt=\"\u5de5\u5382\u9633\u6781\u6c27\u5316\u6d41\u6c34\u7ebf\uff0c\u5927\u6279\u91cf\u94dd\u5408\u91d1\u52a0\u5de5\u4ef6\u60ac\u6302\u8f6c\u8fd0\u8fdb\u884c\u8868\u9762\u5904\u7406\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/mass-aluminum-parts-anodizing-production-line-workshop.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/mass-aluminum-parts-anodizing-production-line-workshop-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/mass-aluminum-parts-anodizing-production-line-workshop-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/mass-aluminum-parts-anodizing-production-line-workshop-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">This oxide layer provides:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved corrosion resistance<\/li>\n\n\n\n<li>Increased surface hardness<\/li>\n\n\n\n<li>Enhanced appearance quality<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages of Anodizing<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Improved Corrosion Resistance<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The oxide layer protects the aluminum surface and reduces:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxidation<\/li>\n\n\n\n<li>Corrosion<\/li>\n\n\n\n<li>Environmental impact<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automation equipment components<\/li>\n\n\n\n<li>Electronic housings<\/li>\n\n\n\n<li>Precision mechanical parts<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Various Appearance Options<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Anodizing can provide different surface colors, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Black<\/li>\n\n\n\n<li>Silver<\/li>\n\n\n\n<li>Blue<\/li>\n\n\n\n<li>Red<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It is widely used for industrial products requiring high appearance quality.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Maintains Dimensional Stability<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Because the anodized layer is relatively thin, it has minimal impact on precision component dimensions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-precision aluminum parts<\/li>\n\n\n\n<li>Precision structural components<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2.Electroplating<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-837f368\" data-block-id=\"837f368\"><style>.stk-837f368 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-837f368 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-837f368 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1821\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/copper-parts-electroplating-production-line-factory.webp\" width=\"1200\" height=\"900\" alt=\"Electroplating production line applying corrosion-resistant surface treatment to copper alloy gear parts\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/copper-parts-electroplating-production-line-factory.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/copper-parts-electroplating-production-line-factory-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/copper-parts-electroplating-production-line-factory-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/copper-parts-electroplating-production-line-factory-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Is Electroplating?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Electroplating is a surface treatment process that uses electrochemical methods to deposit a protective metal layer on the component surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common types include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nickel plating<\/li>\n\n\n\n<li>Chrome plating<\/li>\n\n\n\n<li>Zinc plating<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Main Benefits of Electroplating<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Improved Corrosion Resistance<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The plating layer protects the base material and extends component service life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Steel components<\/li>\n\n\n\n<li>Mechanical connectors<\/li>\n\n\n\n<li>Industrial equipment parts<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Enhanced Wear Resistance<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Certain plating processes improve:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surface hardness<\/li>\n\n\n\n<li>Friction performance<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Suitable for long-term moving components.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Improved Surface Appearance<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Electroplating can provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Smooth surface finish<\/li>\n\n\n\n<li>Metallic appearance<\/li>\n\n\n\n<li>Enhanced visual quality<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3.Sand Blasting<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-cc7e550\" data-block-id=\"cc7e550\"><style>.stk-cc7e550 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-cc7e550 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-cc7e550 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1820\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-cnc-parts-sandblasting-deburring-process.webp\" width=\"1200\" height=\"900\" alt=\"Sandblasting CNC aluminum housings with a spray gun to remove tool marks, burrs and improve surface finish\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-cnc-parts-sandblasting-deburring-process.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-cnc-parts-sandblasting-deburring-process-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-cnc-parts-sandblasting-deburring-process-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-cnc-parts-sandblasting-deburring-process-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Is Sand Blasting?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sand blasting uses high-speed abrasive particles to treat the component surface and create a uniform texture.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits of Sand Blasting<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Improved Surface Texture<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Sand blasting removes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Machining marks<\/li>\n\n\n\n<li>Surface irregularities<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">and creates a consistent matte finish.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Industrial appearance components<\/li>\n\n\n\n<li>Aluminum housings<\/li>\n\n\n\n<li>Precision structural parts<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4.Protective Coating<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-6efe8c6\" data-block-id=\"6efe8c6\"><style>.stk-6efe8c6 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-6efe8c6 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-6efe8c6 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1819\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-parts-powder-coating-spraying-workshop.webp\" width=\"1200\" height=\"900\" alt=\"Powder coating protection for CNC sheet metal parts in clean painting workshop\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-parts-powder-coating-spraying-workshop.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-parts-powder-coating-spraying-workshop-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-parts-powder-coating-spraying-workshop-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/metal-parts-powder-coating-spraying-workshop-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Is Protective Coating?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Protective coating forms a protective layer on component surfaces to improve resistance against environmental conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Advantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Corrosion protection<\/li>\n\n\n\n<li>Improved appearance<\/li>\n\n\n\n<li>Enhanced weather resistance<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Industrial equipment<\/li>\n\n\n\n<li>Outdoor machinery<\/li>\n\n\n\n<li>Components used in harsh environments<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5.Heat Treatment<\/h2>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-7481d67\" data-block-id=\"7481d67\"><style>.stk-7481d67 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-7481d67 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-7481d67 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1818\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-metal-parts-heat-treatment-furnace-equipment.webp\" width=\"1200\" height=\"900\" alt=\"Heat treatment furnace processing metal parts to improve hardness and toughness\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-metal-parts-heat-treatment-furnace-equipment.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-metal-parts-heat-treatment-furnace-equipment-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-metal-parts-heat-treatment-furnace-equipment-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/cnc-metal-parts-heat-treatment-furnace-equipment-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What Is Heat Treatment?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Heat treatment improves material properties by changing the internal structure of metals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Main purposes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increasing hardness<\/li>\n\n\n\n<li>Improving strength<\/li>\n\n\n\n<li>Enhancing wear resistance<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Steel components<\/li>\n\n\n\n<li>Shaft parts<\/li>\n\n\n\n<li>High-load mechanical components<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to Choose the Right Surface Treatment?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selection should consider:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Material Type<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum alloy:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Anodizing<\/li>\n\n\n\n<li>Sand blasting<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Steel:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Electroplating<\/li>\n\n\n\n<li>Heat treatment<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Operating Environment<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Normal environment:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Basic surface treatment may be sufficient.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moisture or corrosive environment:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stronger protective treatment is recommended.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Functional Requirements<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the requirement is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wear resistance:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choose:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hardening treatment<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Appearance quality:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choose:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sand blasting or anodizing<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Surface Treatment Capability of Qingdao Likunda CNC Machinery Co., Ltd.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qingdao Likunda CNC Machinery Co., Ltd. provides not only precision CNC machining services but also customized surface treatment solutions based on customer requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Available surface treatments include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Anodizing<\/li>\n\n\n\n<li>Electroplating<\/li>\n\n\n\n<li>Sand blasting<\/li>\n\n\n\n<li>Protective coating<\/li>\n\n\n\n<li>Heat treatment<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Through a complete manufacturing and quality control system, we provide one-stop manufacturing services from raw materials and precision machining to surface finishing.<\/p>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-b3d0e18\" data-block-id=\"b3d0e18\"><style>.stk-b3d0e18 .stk-img-wrapper{aspect-ratio:16\/9 !important;height:auto !important;}@media screen and (max-width:999px){.stk-b3d0e18 .stk-img-wrapper{height:auto !important;}}@media screen and (max-width:689px){.stk-b3d0e18 .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-1817\" src=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/surface-roughness-tester-aluminum-cnc-parts-inspection.webp\" width=\"1200\" height=\"900\" alt=\"Surface roughness testing of CNC aluminum housings with Ra\/Rz measurement\" srcset=\"https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/surface-roughness-tester-aluminum-cnc-parts-inspection.webp 1200w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/surface-roughness-tester-aluminum-cnc-parts-inspection-300x225.webp 300w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/surface-roughness-tester-aluminum-cnc-parts-inspection-1024x768.webp 1024w, https:\/\/likundacnc.com\/wp-content\/uploads\/2026\/07\/surface-roughness-tester-aluminum-cnc-parts-inspection-768x576.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Surface treatment is not only related to part appearance but also directly affects product performance and service life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the correct surface treatment process helps CNC machined components achieve better corrosion resistance, wear resistance, and long-term reliability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A professional CNC machining supplier requires not only advanced machining capability but also complete manufacturing supply chain management and quality control systems to meet diverse customer requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After CNC machining, metal components often require additional surface treatments depending on their application environment and functional requirements.<\/p>\n<p>Different surface treatment processes can improve corrosion resistance, wear resistance, surface hardness, and overall appearance quality.<\/p>\n<p>This article introduces common surface treatments for CNC parts, including anodizing, electroplating, sand blasting, protective coating, and heat treatment, helping customers select the most suitable manufacturing solution.<\/p>\n","protected":false},"author":1,"featured_media":2631,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[167,190,168,169,171,172],"class_list":["post-2881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-surface-treatment","tag-cnc","tag-190","tag-168","tag-169","tag-171","tag-172"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn about common CNC part surface treatments including anodizing, electroplating, sand blasting, coating, and heat treatment to 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