{"id":15697,"date":"2025-11-20T07:59:41","date_gmt":"2025-11-20T07:59:41","guid":{"rendered":"https:\/\/www.rallyprecision.com\/?page_id=15697"},"modified":"2026-02-24T12:37:08","modified_gmt":"2026-02-24T12:37:08","slug":"custom-cnc-machined-heat-sinks","status":"publish","type":"page","link":"https:\/\/www.rallyprecision.com\/pt\/products\/custom-cnc-machined-heat-sinks\/","title":{"rendered":"Custom CNC Machined Heat Sinks"},"content":{"rendered":"\r\n\r\n\t\t\t<h1>Custom CNC Machined Heat Sinks<\/h1>\t\t\t\r\n\t\t\t\t<p>From rapid prototyping to high-volume production, we deliver exactly what your design demands.<\/p>\r\n<ul>\r\n<li>\r\n<b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">Extreme Precision:<\/b> Tight tolerances for optimal thermal contact.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">Complex Geometries:<\/b> Unrestricted pin and fin designs.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"11,3,0\" data-index-in-node=\"0\">No MOQ:<\/b> Order 1 part or 10,000.\r\n<\/li>\r\n<\/ul>\r\n\t\t\t<div class=\"wpforms-container wpforms-container-full\" id=\"wpforms-7838\"><form id=\"wpforms-form-7838\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"7838\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/pt\/wp-json\/wp\/v2\/pages\/15697?wpforms_form_id=7838\" data-token=\"b870652d9d572869b3520b2294aee953\" data-token-time=\"1792906437\"><noscript class=\"wpforms-error-noscript\">Ative o JavaScript no seu navegador para preencher este formul\u00e1rio.<\/noscript><div class=\"wpforms-field-container\"><div id=\"wpforms-7838-field_8-container\" class=\"wpforms-field wpforms-field-layout\" data-field-type=\"layout\" data-field-id=\"8\"><div class=\"wpforms-field-layout-columns wpforms-field-layout-preset-50-50\"><div class=\"wpforms-layout-column wpforms-layout-column-50\" ><div id=\"wpforms-7838-field_0-container\" class=\"wpforms-field wpforms-field-name\" data-field-type=\"name\" data-field-id=\"0\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_0\">Your Name <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-7838-field_0\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][0]\" required><\/div><div id=\"wpforms-7838-field_9-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"9\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_9\">Subject<\/label><input type=\"text\" id=\"wpforms-7838-field_9\" class=\"wpforms-field-medium\" name=\"wpforms[fields][9]\" ><\/div><\/div><div class=\"wpforms-layout-column wpforms-layout-column-50\" ><div id=\"wpforms-7838-field_1-container\" class=\"wpforms-field wpforms-field-email\" data-field-type=\"email\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_1\">Email <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"email\" id=\"wpforms-7838-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" spellcheck=\"false\" required><\/div><div id=\"wpforms-7838-field_10-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"10\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_10\">Country<\/label><input type=\"text\" id=\"wpforms-7838-field_10\" class=\"wpforms-field-medium\" name=\"wpforms[fields][10]\" ><\/div><\/div><\/div><\/div><div id=\"wpforms-7838-field_2-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-type=\"textarea\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_2\">Project Description <span class=\"wpforms-required-label\">*<\/span><\/label><textarea id=\"wpforms-7838-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" required><\/textarea><\/div><div id=\"wpforms-7838-field_4-container\" class=\"wpforms-field wpforms-field-file-upload\" data-field-type=\"file-upload\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-7838-field_4\">Upload 2D\/3D Drawings  (Multiple File Support)<\/label><div\n\t\tclass=\"wpforms-uploader \"\n\t\tdata-field-id=\"4\"\n\t\tdata-form-id=\"7838\"\n\t\tdata-input-name=\"wpforms_7838_4\"\n\t\tdata-extensions=\"pdf,jpg,jpeg,png,zip,step,stp,iges,igs,pdf,jpg,jpeg,png,zip,step,stp,iges,igs\"\n\t\tdata-max-size=\"268435456\"\n\t\tdata-max-file-number=\"8\"\n\t\tdata-post-max-size=\"268435456\"\n\t\tdata-max-parallel-uploads=\"4\"\n\t\tdata-parallel-uploads=\"true\"\n\t\tdata-file-chunk-size=\"2097152\">\n\t<div class=\"dz-message\">\n\t\t<svg  viewBox=\"0 0 640 640\" focusable=\"false\" data-icon=\"inbox\" width=\"50px\" height=\"50px\" fill=\"currentColor\" aria-hidden=\"true\">\n\t\t\t<path d=\"M352 173.3L352 384C352 401.7 337.7 416 320 416C302.3 416 288 401.7 288 384L288 173.3L246.6 214.7C234.1 227.2 213.8 227.2 201.3 214.7C188.8 202.2 188.8 181.9 201.3 169.4L297.3 73.4C309.8 60.9 330.1 60.9 342.6 73.4L438.6 169.4C451.1 181.9 451.1 202.2 438.6 214.7C426.1 227.2 405.8 227.2 393.3 214.7L352 173.3zM320 464C364.2 464 400 428.2 400 384L480 384C515.3 384 544 412.7 544 448L544 480C544 515.3 515.3 544 480 544L160 544C124.7 544 96 515.3 96 480L96 448C96 412.7 124.7 384 160 384L240 384C240 428.2 275.8 464 320 464zM464 488C477.3 488 488 477.3 488 464C488 450.7 477.3 440 464 440C450.7 440 440 450.7 440 464C440 477.3 450.7 488 464 488z\"\/>\n\t\t<\/svg>\n\n\t\t<span class=\"modern-title\">\n\t\t\t\t\t\t\tDrag &amp; Drop Files, \t\t\t\t<span>Choose Files to Upload<\/span>\n\t\t\t\t\t<\/span>\n\n\t\t\t\t\t<span class=\"modern-hint\">Voc\u00ea pode enviar at\u00e9 8 arquivos.<\/span>\n\t\t\t<\/div>\n<\/div>\n\n<input\n\t\ttype=\"text\"\n\t\tautocomplete=\"off\"\n\t\treadonly\n\t\tclass=\"dropzone-input\"\n\t\tstyle=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\"\n\t\tid=\"wpforms-7838-field_4\"\n\t\tname=\"wpforms_7838_4\" \t\tvalue=\"\">\n<div class=\"wpforms-field-description\">Available files include PDF, JPG, PNG, ZIP, DWG, STEP, STP, IGES.<\/div><\/div><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"7838\"><input type=\"hidden\" name=\"wpforms[time_token]\" value=\"1792906437.16400fd63db0e0c19bf53e9ff603c7836e7f7bec7a1711faa737a754fb8ab3f9\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/www.rallyprecision.com\/pt\/wp-json\/wp\/v2\/pages\/15697\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-7838\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Request a Quote\" aria-live=\"assertive\" value=\"wpforms-submit\">Request a Quote<\/button><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Carregando\"><\/div><\/form><\/div>  <!-- .wpforms-container -->\r\n\t\t\t<a href=\"javascript:void(0)\" title=\"Get a Free Quote\" target=\"_self\"  data-modal=  role=\"button\" aria-label=\"Get a Free Quote\">\r\n\t\t\t\t\t\t\tGet a Free Quote\r\n\t\t<\/a>\r\n\t\t\t<h2>Why Choose CNC Machining for Heat Sinks?<\/h2>\r\n\t\t\t\t<p>You might wonder why you should choose <a href=\"https:\/\/www.rallyprecision.com\/services\/cnc-machining-china\/\">CNC machining<\/a> over traditional die casting or extrusion. The answer is simple: <b data-path-to-node=\"21\" data-index-in-node=\"118\">Design Freedom and Thermal Efficiency<\/b>. Extrusion processes are limited by mold constraints, meaning you can only create straight fins with specific thickness ratios. <a href=\"https:\/\/www.rallyprecision.com\/services\/cnc-machining-china\/\">CNC machining<\/a> removes these barriers.<\/p>\r\n\t\t\t\t<ul>\r\n<li data-path-to-node=\"22,0,0\"><b data-path-to-node=\"22,0,0\" data-index-in-node=\"0\">Optimize Airflow:<\/b> You can design complex pin-fin arrays, cross-cuts, and angled fins to maximize surface area and direct airflow exactly where you need it.<\/li>\r\n<li>\r\n<b data-path-to-node=\"22,1,0\" data-index-in-node=\"0\">Superior Flatness:<\/b> Machined base plates achieve incredibly flat surfaces (down to Ra 0.4), eliminating air gaps between the heat sink and your processor (CPU\/GPU) for maximum heat transfer.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"22,2,0\" data-index-in-node=\"0\">Zero Tooling Costs:<\/b> Unlike die casting, <a href=\"https:\/\/www.rallyprecision.com\/services\/cnc-machining-china\/\">CNC machining<\/a> requires no expensive molds, saving you upfront costs and allowing for immediate design changes.\r\n<\/li>\r\n<\/ul>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machining-Services-CNC-Machined-Heat-Sinks.png\" alt=\"CNC Machining Services CNC Machined Heat Sinks\" height=\"463\" width=\"500\" title=\"CNC Machining Services CNC Machined Heat Sinks\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n\t\t\t<h2>Our CNC Heat Sink Manufacturing Capabilities<\/h2>\r\n\t\t\t\t<p>RALLY utilizes advanced 3-axis, 4-axis, and 5-axis <a href=\"https:\/\/www.rallyprecision.com\/services\/cnc-milling\/\">CNC milling<\/a> centers to bring your most challenging thermal designs to life.<\/p>\r\n<ul>\r\n<li>\r\n<b data-path-to-node=\"33,0,0\" data-index-in-node=\"0\">Fin Thickness:<\/b> Minimum fin thickness down to 0.5mm.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"33,1,0\" data-index-in-node=\"0\">Fin Pitch (Gap):<\/b> High-density fin gaps down to 1.0mm.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"33,2,0\" data-index-in-node=\"0\">Base Flatness:<\/b> Up to 0.01mm per 100mm, ensuring perfect chip contact.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"33,3,0\" data-index-in-node=\"0\">Machining Tolerances:<\/b> Standard ISO 2768-m or up to \u00b10.005mm for critical mounting features.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"33,4,0\" data-index-in-node=\"0\">Max Dimensions:<\/b> Capability to machine large heat sinks up to 1000mm x 500mm. Whether you need skived heat sinks, cross-cut fins, or integrated heat pipe grooves, our engineers ensure your specifications are met exactly.\r\n<\/li>\r\n<\/ul>\r\n\t\t\t\t<img decoding=\"async\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f527.svg\" alt=\"\ud83d\udd27\" \/> <strong data-start=\"309\" data-end=\"334\">CNC Machining Centers<\/strong>\r\n<ul data-start=\"337\" data-end=\"426\">\r\n<li data-start=\"337\" data-end=\"375\">\r\n3-axis, 4-axis, and 5-axis milling\r\n<\/li>\r\n<li data-start=\"376\" data-end=\"426\">\r\nSuitable for complex shapes and tight tolerances\r\n<\/li>\r\n<\/ul>\r\n\t\t\t\t<img decoding=\"async\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/17.0.2\/svg\/1f529.svg\" alt=\"\ud83d\udd29\" \/> <strong data-start=\"440\" data-end=\"464\">CNC Turning Machines<\/strong>\r\n<ul data-start=\"467\" data-end=\"551\">\r\n<li data-start=\"467\" data-end=\"502\">\r\nHigh-speed turning up to \u00d8300mm\r\n<\/li>\r\n<li data-start=\"503\" data-end=\"551\">\r\nIdeal for round parts like shafts and bushings\r\n<\/li>\r\n<\/ul>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2024\/12\/CNC-machining-equipment.jpg\" alt=\"CNC machining equipment\" title=\"CNC machining equipment\" itemprop=\"image\"  \/>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2023\/08\/O1CN01gjI2V71Gh7OvUCcpw_2495100653-0-cib.jpeg\" alt=\"5 axis CNC Machine\" title=\"5 axis CNC Machine\" itemprop=\"image\"  \/>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2024\/12\/3-4-axis-CNC-machines.jpg\" alt=\"3-, 4-axis CNC machines from RALLY Precision ltd\" title=\"3-, 4-axis CNC machines from RALLY Precision ltd\" itemprop=\"image\"  \/>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2023\/08\/O1C5454cpw_2495100653-0-cib.jpeg\" alt=\"CNC Lathe Machine\" title=\"CNC Lathe Machine\" itemprop=\"image\"  \/>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/01\/Automatic-Lathe-Machine-Swiss-Machine-Shops.jpg\" alt=\"Automatic Lathe Machine Swiss Machine Shops\" height=\"400\" width=\"600\" title=\"Automatic Lathe Machine Swiss Machine Shops\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/01\/CNC-Lathe-Equipment-RALLY.jpg\" alt=\"CNC Lathe Equipment - RALLY\" height=\"400\" width=\"600\" title=\"CNC Lathe Equipment - RALLY\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2023\/08\/5454353.jpeg\" alt=\"Automatic lathe centering machine\" height=\"400\" width=\"600\" title=\"Automatic lathe centering machine\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/03\/CNC-Machining-Centre-RALLY.jpg\" alt=\"CNC machining center equipment workshop\" height=\"400\" width=\"600\" title=\"CNC machining center equipment workshop\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n\t\t\t<h2>Material Selection: Aluminum vs. Copper<\/h2>\r\n\t\t\t\t<p>Selecting the right material is crucial for your thermal management system. We stock premium, certified metals.<\/p>\r\n\t\t\t<h2>Aluminum Alloys (6061-T6, 7075-T6, 6063)<\/h2>\t\t\t\r\n\t\t\t\t<ul>\r\n<li>\r\n<b data-path-to-node=\"45,0,0\" data-index-in-node=\"0\">Pros:<\/b> Lightweight, highly machinable, cost-effective, and excellent natural corrosion resistance.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"45,1,0\" data-index-in-node=\"0\">Thermal Conductivity:<\/b> ~167 to 200 W\/m\u00b7K.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"45,2,0\" data-index-in-node=\"0\">Best For:<\/b> Aerospace, automotive LED lighting, and general electronics where weight and cost are primary factors.\r\n<\/li>\r\n<\/ul>\r\n\t\t\t<h2>Copper Alloys (C11000, C10100 Oxygen-Free)<\/h2>\t\t\t\r\n\t\t\t\t<ul>\r\n<li>\r\n<b data-path-to-node=\"47,0,0\" data-index-in-node=\"0\">Pros:<\/b> Outstanding thermal absorption and spreading capabilities.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"47,1,0\" data-index-in-node=\"0\">Thermal Conductivity:<\/b> ~390 to 400 W\/m\u00b7K (nearly double that of aluminum).\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"47,2,0\" data-index-in-node=\"0\">Best For:<\/b> High-power CPUs, lasers, telecom base stations, and compact spaces requiring aggressive heat dissipation.\r\n<\/li>\r\n<\/ul>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/Aluminum-vs.-Copper-CNC-Machined-Heat-Sinks.png\" alt=\"Aluminum vs. Copper CNC Machined Heat Sinks\" height=\"449\" width=\"798\" title=\"Aluminum vs. Copper CNC Machined Heat Sinks\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n\t\t<h2><img decoding=\"async\" alt=\"\ud83d\udc49\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/1f449.svg\" role=\"img\"\/> Get Your Custom CNC Machining Heatsink Quote Today!<\/h2>\r\n\t\t\t<a href=\"https:\/\/www.rallyprecision.com\/contact\/\" title=\"Request a Quote\" target=\"_blank\" rel=\"noopener\"  role=\"button\" aria-label=\"Request a Quote\">\r\n\t\t\t\t\t\t\tRequest a Quote\r\n\t\t<\/a>\r\n\t\t\t<h2>Surface Treatments Tailored for Thermal Efficiency<\/h2>\r\n\t\t\t\t<p>A raw machined surface isn&#8217;t always enough. We offer advanced surface finishes that not only protect your parts but can actually enhance thermal radiation.<\/p>\r\n\t\t\t\t<ul>\r\n<li>\r\n<b data-path-to-node=\"63,0,0\" data-index-in-node=\"0\">Black Anodizing (Type II):<\/b> The most popular choice for aluminum heat sinks. Black anodizing increases surface emissivity, meaning the heat sink radiates heat into the air more effectively than raw metal.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"63,1,0\" data-index-in-node=\"0\">Clear Anodizing:<\/b> Protects against corrosion and electrical conductivity without altering the natural silver appearance.\r\n<\/li>\r\n<\/ul>\r\n\t\t\t\t<ul>\r\n<li data-path-to-node=\"63,2,0\"><b data-path-to-node=\"63,2,0\" data-index-in-node=\"0\">Electroless Nickel Plating:<\/b> Frequently used for copper heat sinks to prevent oxidation and tarnishing over time, while maintaining excellent solderability.<\/li>\r\n<li>\r\n<b data-path-to-node=\"63,3,0\" data-index-in-node=\"0\">Chromate Conversion (Chem Film):<\/b> Provides excellent electrical conductivity and corrosion resistance.\r\n<\/li>\r\n<\/ul>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/Aluminum-CNC-Machined-Heat-Sinks-Black-Anodizing-Type-II.png\" alt=\"Aluminum CNC Machined Heat Sinks Black Anodizing (Type II)\" height=\"400\" width=\"600\" title=\"Aluminum CNC Machined Heat Sinks Black Anodizing (Type II)\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/Chemical-Nickel-Plating-for-Copper-CNC-Machined-Heat-Sinks.png\" alt=\"Chemical Nickel Plating for Copper CNC-Machined Heat Sinks\" height=\"400\" width=\"600\" title=\"Chemical Nickel Plating for Copper CNC-Machined Heat Sinks\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n\t\t\t<h6>CNC Heat Sinks Industries &#038; Applications<\/h6><h2>Where Our Custom Heat Sinks Are Used<\/h2>\r\n\t\t\t\t<p>If it generates heat, RALLY can help you cool it down. We provide thermal solutions for strict-tolerance industries:<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-Telecommunications-Applications.png\" alt=\"CNC-Machined Heat Sinks for Telecommunications Applications\" title=\"CNC-Machined Heat Sinks for Telecommunications Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Telecommunications &#038; 5G<\/h5>\t\t\t\r\n\t\t\t\t<p>We provide high-efficiency thermal solutions for 5G base stations, routers, and telecom enclosures. Our custom heat sinks ensure optimal signal integrity and prevent critical RF amplifiers from overheating.<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-High-Performance-Computing-Applications.png\" alt=\"CNC-Machined Heat Sinks for High-Performance Computing Applications\" title=\"CNC-Machined Heat Sinks for High-Performance Computing Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>High-Performance Computing<\/h5>\t\t\t\r\n\t\t\t\t<p>AI processors and heavy-duty servers generate immense heat. Our precision-machined copper and aluminum heat sinks deliver aggressive cooling for CPUs and GPUs, keeping data centers running at peak efficiency.<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-Automotive-Applications.png\" alt=\"CNC-Machined Heat Sinks for Automotive Applications\" title=\"CNC-Machined Heat Sinks for Automotive Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Automotive &#038; EV<\/h5>\t\t\t\r\n\t\t\t\t<p>We manufacture robust thermal management components for electric vehicle battery systems (BMS), motor controllers, and high-power LED headlamps, ensuring passenger safety and extending component lifespans in harsh automotive environments.<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-Medical-Equipment-Applications.png\" alt=\"CNC-Machined Heat Sinks for Medical Equipment Applications\" title=\"CNC-Machined Heat Sinks for Medical Equipment Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Medical &#038; Diagnostic Equipment<\/h5>\t\t\t\r\n\t\t\t\t<p>Precision cooling is vital for healthcare. Our CNC machined heat sinks reliably regulate temperatures in MRI machines, CT scanners, and surgical lasers, where consistent thermal control is non-negotiable.<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-Power-Electronics-Applications.png\" alt=\"CNC-Machined Heat Sinks for Power Electronics Applications\" title=\"CNC-Machined Heat Sinks for Power Electronics Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Power Electronics &#038; Inverters<\/h5>\t\t\t\r\n\t\t\t\t<p>Designed for high-wattage power supplies, solar inverters, and industrial motor drives. Our custom skived and milled fins maximize heat dissipation to prevent thermal throttling in heavy-duty power conversion systems.<\/p>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/CNC-Machined-Heat-Sinks-for-Aerospace-Applications.png\" alt=\"CNC-Machined Heat Sinks for Aerospace Applications\" title=\"CNC-Machined Heat Sinks for Aerospace Applications\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Aerospace &#038; Defense<\/h5>\t\t\t\r\n\t\t\t\t<p>Lightweight aluminum heat sinks are essential for flight. We machine flight-ready thermal components for avionics, radar systems, and military communications, meeting strict weight and structural integrity requirements.<\/p>\r\n<h5>\r\n\t\tWhy Choose RALLY for\r\n\t\tCNC Machining Heat Sinks?\r\n\t\t\t\t<\/h5>\t\r\n\t\t\t\tYou have many options for machine shops, but RALLY specifically understands the geometry and precision required for thermal dynamics.\r\n<ul data-path-to-node=\"85\">\r\n<li>\r\n<b data-path-to-node=\"85,0,0\" data-index-in-node=\"0\">1. 100% Quality Guarantee:<\/b> Every heat sink is CMM inspected to ensure base flatness and fin pitch match your CAD exactly. ISO 9001 certified.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"85,1,0\" data-index-in-node=\"0\">2. Agile Manufacturing:<\/b> From 1-piece functional prototypes to batches of 50,000+, our facility scales with your project timeline.\r\n<\/li>\r\n<li>\r\n<b data-path-to-node=\"85,3,0\" data-index-in-node=\"0\">3. Global Logistics:<\/b> We securely package delicate fins to prevent bending in transit, offering fast DDP or FOB shipping globally.\r\n<\/li>\r\n<\/ul>\r\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/04\/Why-Choose-RALLY-for-Your-Aluminum-Heatsinks.jpg\" alt=\"Why Choose RALLY for Your Aluminum Heatsinks\" height=\"631\" width=\"550\" title=\"Why Choose RALLY for Your Aluminum Heatsinks\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\r\n\t<\/figure>\r\n\t\t\t<h5>Request a Quote Now!<\/h5>\t\t\t\r\n\t\t\t\tReady to start your custom CNC heatsink project?\r\n<strong data-start=\"3522\" data-end=\"3582\">Custom CNC machining | Fast turnaround | Global shipping<\/strong>\r\n\t\t\t<h5>By email or online form<\/h5><h1>Send your 2D\/3D drawings<\/h1>\r\n\t\t\t\t<p><a href=\"mailto:sales@rallyprecision.com\">sales@rallyprecision.com<\/a><\/p>\r\n\t\t\t<div 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73.4L438.6 169.4C451.1 181.9 451.1 202.2 438.6 214.7C426.1 227.2 405.8 227.2 393.3 214.7L352 173.3zM320 464C364.2 464 400 428.2 400 384L480 384C515.3 384 544 412.7 544 448L544 480C544 515.3 515.3 544 480 544L160 544C124.7 544 96 515.3 96 480L96 448C96 412.7 124.7 384 160 384L240 384C240 428.2 275.8 464 320 464zM464 488C477.3 488 488 477.3 488 464C488 450.7 477.3 440 464 440C450.7 440 440 450.7 440 464C440 477.3 450.7 488 464 488z\"\/>\n\t\t<\/svg>\n\n\t\t<span class=\"modern-title\">\n\t\t\t\t\t\t\tDrag &amp; Drop Files, \t\t\t\t<span>Choose Files to Upload<\/span>\n\t\t\t\t\t<\/span>\n\n\t\t\t\t\t<span class=\"modern-hint\">Voc\u00ea pode enviar at\u00e9 8 arquivos.<\/span>\n\t\t\t<\/div>\n<\/div>\n\n<input\n\t\ttype=\"text\"\n\t\tautocomplete=\"off\"\n\t\treadonly\n\t\tclass=\"dropzone-input\"\n\t\tstyle=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\"\n\t\tid=\"wpforms-7838-field_4\"\n\t\tname=\"wpforms_7838_4\" \t\tvalue=\"\">\n<div class=\"wpforms-field-description\">Available files include PDF, JPG, PNG, ZIP, DWG, STEP, STP, IGES.<\/div><\/div><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"7838\"><input type=\"hidden\" name=\"wpforms[time_token]\" value=\"1792906437.16400fd63db0e0c19bf53e9ff603c7836e7f7bec7a1711faa737a754fb8ab3f9\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/www.rallyprecision.com\/pt\/wp-json\/wp\/v2\/pages\/15697\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-7838\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Request a Quote\" aria-live=\"assertive\" value=\"wpforms-submit\">Request a Quote<\/button><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Carregando\"><\/div><\/form><\/div>  <!-- .wpforms-container -->\r\n\t\t\t<a href=\"javascript:void(0)\" title=\"Get A Quick Quote\" target=\"_self\"  data-modal=  role=\"button\" aria-label=\"Get A Quick Quote\">\r\n\t\t\t\t\t\t\tGet A Quick Quote\r\n\t\t<\/a>\r\n<h2>\r\n\t\t\tFAQ About CNC Machined Heat Sinks\t<\/h2>\r\n<h2  id=\"general\">\r\n\t\t\tGeneral Questions:\t<\/h2>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-0\">1. How do you protect my custom heat sink designs?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-0\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-0\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\t<p>We sign strict Non-Disclosure Agreements (NDAs) before you share any CAD files. Your proprietary thermal designs are stored securely, and manufacturing is strictly in-house to prevent IP leaks.<\/p>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-1\">2. How do you prevent thin fins from bending during international shipping?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-1\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-1\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\t<p>Heat sinks require special care. We use custom-cut EPE foam packaging. Each heat sink is individually slotted to ensure fragile fins are fully supported and protected from impact during transit.<\/p>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-2\">3. How can I be sure you use genuine aluminum or copper?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-2\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-2\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\t<p>We source raw materials only from certified suppliers. Full Material Test Reports (MTRs) and Certificates of Conformance (CoC) are provided with every shipment for complete traceability.<\/p>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-3\">4. How do you verify the critical base flatness of the heat sink?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-3\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-3\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\t<p>We use advanced CMMs and surface profilometers to inspect every batch. We can guarantee base flatness down to 0.01mm, ensuring perfect thermal contact with your CPU or heat source.<\/p>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-4\">5. Do you handle customs clearance and international freight?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-4\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-4\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\t<p>Yes. We offer flexible shipping via DHL\/UPS\/FedEx for urgent prototypes, and cost-effective sea\/air freight for bulk orders. We can quote DDP terms to handle all import duties for you.<\/p>\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-5\">6. Can you help lower the manufacturing cost of my heat sink?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-5\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-5\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\tAbsolutely. Our engineers provide free DFM (Design for Manufacturing) analysis. We suggest minor adjustments to fin thickness or tool radiuses to significantly reduce CNC machining time and costs.\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-6\">7. What is your Minimum Order Quantity (MOQ)?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-6\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-6\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\tWe have zero strict MOQ requirements. Whether you need 1 piece for immediate thermal testing or 10,000 pieces for mass production, we provide scalable manufacturing solutions.\r\n\t\t\t\t\t<a role=\"heading\" aria-level=\"2\" tabindex=\"-1\"  id=\"fl-accordion--label-7\">8. What happens if parts are out of tolerance upon arrival?<\/a>\r\n\t\t\t\t\t\t\t\t\t\t\t<button type=\"button\" id=\"fl-accordion--icon-7\" aria-expanded=\"false\" aria-controls=\"fl-accordion--panel-7\"><i>Expand<\/i><\/button>\r\n\t\t\t\t\tWe stand entirely behind our quality. If any part fails to meet your approved 2D drawing specifications, we will immediately rework or remake the parts at our own expense.\r\n<h5>\r\n\t\tExplore More\r\n\t\tProducts\r\n\t\t\t\t<\/h5>\t\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/03\/Custom-CNC-Machining-Metal-Parts-Manufacturer.jpeg\" alt=\"Custom CNC Machining Metal Parts Manufacturer\" title=\"Custom CNC Machining Metal Parts Manufacturer\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>CNC Aluminum Enclosures<\/h5>\t\t\t\r\n\t\t\t<a href=\"https:\/\/www.rallyprecision.com\/products\/custom-aluminum-enclosure\/\" title=\"View More\" target=\"_blank\" rel=\"noopener\"  role=\"button\" aria-label=\"View More\">\r\n\t\t\t\t\t\t\tView More\r\n\t\t<\/a>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2025\/06\/waveguide-flange-for-medical-application.jpg\" alt=\"Waveguide Flange\" title=\"waveguide-flange-for-medical-application\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Waveguide Flanges<\/h5>\t\t\t\r\n\t\t\t<a href=\"https:\/\/www.rallyprecision.com\/products\/waveguide-flange\/\" title=\"View More\" target=\"_blank\" rel=\"noopener\"  role=\"button\" aria-label=\"View More\">\r\n\t\t\t\t\t\t\tView More\r\n\t\t<\/a>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/Brass-Electrical-Connector-Pins.jpg\" alt=\"Brass Electrical Connector Pins\" title=\"Brass Electrical Connector Pins\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>Brass Connector Pins<\/h5>\t\t\t\r\n\t\t\t<a href=\"https:\/\/www.rallyprecision.com\/products\/connector-pins\/\" title=\"View More\" target=\"_blank\" rel=\"noopener\"  role=\"button\" aria-label=\"View More\">\r\n\t\t\t\t\t\t\tView More\r\n\t\t<\/a>\r\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.rallyprecision.com\/wp-content\/uploads\/2026\/02\/Custom-CNC-Machined-Brackets-Motor-Sensor-Mounts.png\" alt=\"Custom CNC Machined Brackets Motor &amp; Sensor Mounts\" title=\"Custom CNC Machined Brackets Motor &amp; Sensor Mounts\" itemprop=\"image\"  \/>\r\n\t\t\t<h5>CNC Machined Brackets<\/h5>\t\t\t\r\n\t\t\t<a href=\"https:\/\/www.rallyprecision.com\/products\/cnc-machined-brackets\/\" title=\"View More\" target=\"_blank\" rel=\"noopener\"  role=\"button\" aria-label=\"View More\">\r\n\t\t\t\t\t\t\tView More\r\n\t\t<\/a>\r\n\t<h4>\r\n\t\t\t\tQuick Quote\r\n\t\t\t<\/h4>\r\n\t<p>Get An Accurate Quote For Your Projects. Send your 2D\/3D drawings via online form.<\/p>\r\n<ul>\r\n<li>Machined prototypes in 3-5 days<\/li>\r\n<li>60+metal and plastic material<\/li>\r\n<li>20+ surface finishes<\/li>\r\n<li>Tolerances down to +\/-0.01mm<\/li>\r\n<li>Customized design based on drawing<\/li>\r\n<li>Free samples before order confirmation<\/li>\r\n<\/ul>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Custom CNC Machined Heat Sinks From rapid prototyping to high-volume production, we deliver exactly what your design demands. Extreme Precision: Tight tolerances for optimal thermal contact. Complex Geometries: Unrestricted pin and fin designs. No MOQ: Order 1 part or 10,000. Get a Free Quote Why Choose CNC Machining for Heat Sinks? You might wonder why [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1066,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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":""},"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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"class_list":["post-15697","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Custom CNC Machined Heat Sinks Manufacturer | RALLY<\/title>\n<meta name=\"description\" content=\"Looking for precision custom CNC machined heat sinks? RALLY offers high-performance aluminum and copper thermal solutions.\" \/>\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.rallyprecision.com\/pt\/produtos\/custom-cnc-machined-heat-sinks\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom CNC Machined Heat Sinks Manufacturer | RALLY\" \/>\n<meta property=\"og:description\" content=\"Looking for precision custom CNC machined heat sinks? 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