{"id":3602,"date":"2025-07-07T10:34:25","date_gmt":"2025-07-07T02:34:25","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&#038;p=3602"},"modified":"2025-07-07T10:54:22","modified_gmt":"2025-07-07T02:54:22","slug":"metal-spacers","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/ko\/products\/metal-spacers\/","title":{"rendered":"CNC Machined Metal Spacers with DLC Coating for LED and Solar Panel Mounting"},"content":{"rendered":"<h2>What are Metal Spacers?<\/h2>\n<p class=\"ds-markdown-paragraph\">Metal spacers are precision components used to create and maintain specific gaps or distances between two or more parts in mechanical assemblies. Metal spacers serve as rigid separators that provide accurate spacing while often bearing loads, transferring forces, or maintaining alignment in various industrial applications.<\/p>\n<h2>Materials:<\/h2>\n<p>Stainless steel (304, 316, 17-4PH) \u2014 valued for corrosion resistance<\/p>\n<p>Aluminum (6061, 7075) \u2014 lightweight and easy to machine<\/p>\n<p>Titanium (Grade 2, Grade 5) \u2014 high strength-to-weight ratio<\/p>\n<p>Brass or bronze \u2014 excellent conductivity and wear resistance<\/p>\n<p>Carbon steel \u2014 cost-effective with good mechanical properties<\/p>\n<p>Nickel-based alloys (like Inconel) \u2014 ideal for extreme environments<\/p>\n<h2>Surface Treatments:<\/h2>\n<p><strong>DLC (Diamond-Like Carbon) Coating, also referred to as S-D<\/strong>: ultra-hard, low-friction layer ideal for high-wear environments<\/p>\n<p>Anodizing (mainly for aluminum) for enhanced corrosion protection<\/p>\n<p>Passivation for stainless steel to improve oxide layer stability<\/p>\n<p>Zinc or nickel plating for added surface protection<\/p>\n<p>Black oxide for aesthetic and mild rust resistance<\/p>\n<p>Powder coating for insulation and visual appeal<\/p>\n<h2>Specifications:<\/h2>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Diameter range: 1mm to 200mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Thickness range: 0.1mm to 50mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Tolerance: Typically \u00b10.01mm to \u00b10.1mm (can be tighter for precision applications)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Flatness: Usually within 0.005mm to 0.05mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Parallelism: Typically 0.005mm to 0.03mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Surface roughness: Ra 0.2\u03bcm to 3.2\u03bcm<\/p>\n<\/li>\n<\/ul>\n<h2>Applications:<\/h2>\n<p>LED panel and solar panel mounting systems<\/p>\n<p>Electronics (for PCB stand-offs or heat management)<\/p>\n<p>Aerospace and automotive assemblies<\/p>\n<p>Medical devices and instruments<\/p>\n<p>Optical equipment (lens alignment, structural spacing)<\/p>\n<p>Industrial machinery (shock isolation, wear prevention)<\/p>\n<h2>Excellent Use Case: Aerospace Turbine Engine Assembly<\/h2>\n<p class=\"ds-markdown-paragraph\">In modern jet engine manufacturing, precision stainless steel spacers with DLC coating play a critical role in compressor section assembly. These spacers maintain exact blade clearances while withstanding extreme temperatures (up to 600\u00b0C) and rotational forces (up to 15,000 RPM).<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Key benefits in this application:<\/strong><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">The DLC coating reduces friction between rotating components by 40% compared to uncoated spacers<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Maintains dimensional stability under thermal cycling<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Prevents micro-welding and galling between titanium alloy components<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Extends maintenance intervals by 3-5 times compared to traditional spacer solutions<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Contributes to overall engine efficiency by maintaining precise tolerances over extended service life<\/p>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>CNC Machined Metal Spacers with DLC Coating for LED and Solar Panel Mounting<\/p>","protected":false},"featured_media":3606,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[31],"product_tag":[1646,1425,1647,1648,473,491,1649,1638,1636,1641,1637,1427,487,1424,1423,1645,1644,1640],"class_list":{"0":"post-3602","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-metal-spacers","7":"product_tag-1-2-inch-metal-spacers","8":"product_tag-2-inch-metal-spacers","9":"product_tag-aluminum-square-spacers","10":"product_tag-black-dlc-coating","11":"product_tag-cnc-machined-parts","12":"product_tag-cnc-machining-metal-spacers","13":"product_tag-cnc-metal-spacers","14":"product_tag-custom-dlc-coating","15":"product_tag-dlc-coating","16":"product_tag-dlc-coating-aluminum","17":"product_tag-dlc-coating-service","18":"product_tag-m8-metal-spacers","19":"product_tag-metal-spacers","20":"product_tag-metal-spacers-for-screws","21":"product_tag-round-metal-spacers","22":"product_tag-sheet-metal-spacers","23":"product_tag-square-metal-spacers","24":"product_tag-titanium-dlc-coating","26":"first","27":"instock","28":"shipping-taxable","29":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/product\/3602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/comments?post=3602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/media\/3606"}],"wp:attachment":[{"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/media?parent=3602"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/product_brand?post=3602"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/product_cat?post=3602"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/machinedwasher.com\/ko\/wp-json\/wp\/v2\/product_tag?post=3602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}