{"id":13631,"date":"2026-06-16T09:00:00","date_gmt":"2026-06-16T07:00:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?post_type=case_studies&#038;p=13631"},"modified":"2026-05-19T04:18:27","modified_gmt":"2026-05-19T02:18:27","slug":"tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures","status":"publish","type":"case_studies","link":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/","title":{"rendered":"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures"},"content":{"rendered":"<article class=\"blog-post\" lang=\"en\"><header>\n<p>System integrators and panel builders rarely see the mechanical drawings that dictate whether a high\u2011density electronic enclosure will function as intended. A semiconductor test equipment manufacturer learned this lesson when their latest\u2011generation instrument failed thermal validation. Not because of a circuit design flaw, but because the custom aluminum heat sink and copper I\/O panel were machined with insufficient flatness. The resulting 50\u2011micron gap between the heat sink and the power transistors caused a 12\u202f\u00b0C junction temperature rise. Which pushing the device outside its safe operating area.<br \/>TPS Elektronik\u2019s <strong>precision CNC milling service<\/strong> was brought in to solve the problem. The goal: achieve 5\u2011micron flatness and positional tolerances across multiple aluminum and copper parts. And integrate the mechanical deliverables with the instrument\u2019s PCB assembly and final test. All under one quality system.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/cnc-milling\/\">Request a precision CNC milling consultation \u2192<\/a><\/p>\n<\/header><nav class=\"toc\" aria-label=\"Table of contents\">\n<h2 id=\"toc-en\">Table of contents<\/h2>\n<ol>\n<li><a href=\"#en-challenge\">The machining challenge: 5\u2011micron tolerances in aluminum and copper<\/a><\/li>\n<li><a href=\"#en-dfm\">DFM integration: closing the gap between PCB and enclosure<\/a><\/li>\n<li><a href=\"#en-results\">Measurable results: flatness, fit, and thermal performance<\/a><\/li>\n<li><a href=\"#en-rfq\">RFQ checklist for precision enclosure machining<\/a><\/li>\n<li><a href=\"#en-faq\">FAQ<\/a><\/li>\n<\/ol>\n<\/nav>\n<section id=\"en-challenge\">\n<h2>1. The machining challenge: 5\u2011micron tolerances in aluminum and copper<\/h2>\n<p>The test instrument contained two critical machined components: an aluminum heat sink with precision\u2011milled fin channels and mounting bosses. And a copper I\/O panel that formed part of the RF shielding enclosure. The heat sink required flatness of 5\u202f\u00b5m across the transistor mounting surface to ensure uniform thermal interface material (TIM) compression. The copper panel needed positional tolerances of \u00b15\u202f\u00b5m on the connector cutouts, because any deviation would misalign the SMA connectors with the PCB\u2011mounted jacks. Which creating impedance discontinuities in the RF path.<\/p>\n<p>Aluminum and copper present opposite machining challenges. Aluminum 6061\u2011T6 is relatively soft and can gall if cutting speeds and coolant delivery are not optimized. Copper is ductile and abrasive, causing rapid tool wear if the wrong carbide grade or coating is selected. Achieving 5\u2011micron tolerances in both materials on the same production line demands precise control of spindle speed, feed rate, tool runout, and thermal growth of the machine itself.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-13639\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/05\/Precision-CNC-Milling-Aluminum-Electronic-Enclosure-5-Micron-Tolerance-High-Speed-Spindle-\u2013-TPS-Elektronik.jpg\" alt=\"Precision CNC Milling Aluminum Electronic Enclosure 5 Micron Tolerance High Speed Spindle \u2013 TPS Elektronik\" width=\"1920\" height=\"1008\" \/><\/p>\n<p>TPS addressed these challenges through a combination of high\u2011speed machining centers equipped with thermal compensation, balanced tool holders with runout below 3\u202f\u00b5m. And in\u2011process probing that verified critical dimensions between operations. The aluminum heat sink machined with polished carbide end mills and high\u2011pressure coolant to prevent chip re\u2011cutting. The copper panel machined with diamond\u2011coated tools to extend tool life and maintain edge quality. Both components inspected on a coordinate measuring machine (CMM) with a volumetric accuracy of 1.5\u202f\u00b5m, against a CAD\u2011based datum system that matched the PCB assembly reference points. For further detail on precision machining capabilities, refer to the TPS guide on <a href=\"https:\/\/tps-elektronik.com\/en\/precision-cnc-machining-high-accuracy\/\">precision CNC machining for high accuracy<\/a>.<\/p>\n<\/section>\n<section id=\"en-dfm\">\n<h2>2. DFM integration: closing the gap between PCB and enclosure<\/h2>\n<p>A common failure mode in outsourced machining is the disconnect between the mechanical drawing and the PCB assembly. A machinist can deliver a part that meets every dimension on the drawing and still produce an enclosure that does not fit the PCB, because the drawing datums chosen independently from the board outline and connector positions.<\/p>\n<p>TPS eliminated this risk through an integrated DFM review. The enclosure CAD model overlaid with the PCB assembly data, and critical interfaces \u2014 mounting hole patterns, connector cutouts, thermal pad contact areas \u2014 were checked for alignment and tolerance accumulation. One issue identified early was that the original design specified a 2.0\u202fmm wall thickness at the SMA connector cutouts, which left insufficient material for secure connector fastening after plating. TPS recommended increasing the local thickness to 2.5\u202fmm, a change that would have required a complete redesign if discovered after machining. For a broader perspective on integrating design with machining, see our article on <a href=\"https:\/\/tps-elektronik.com\/en\/ems-cnc-milling-electronics-fast-rfq-dfm\/\">EMS CNC milling for electronics: RFQ, DFM, and fixture strategy<\/a>.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/cnc-milling\/\">Request a DFM review for your enclosure design \u2192<\/a><\/p>\n<\/section>\n<section id=\"en-results\">\n<h2>3. Measurable results: flatness, fit, and thermal performance<\/h2>\n<p>The outcome of the TPS precision CNC milling intervention validated through three measurable criteria. First, CMM inspection of the aluminum heat sink confirmed a flatness of 4.3\u202f\u00b5m across the transistor mounting surface. Which exceeding the 5\u202f\u00b5m requirement. Second, the copper I\/O panel and aluminum enclosure body assembled to the PCB without any rework. All 24 SMA connector positions aligned within the positional tolerance, confirmed by a go\/no\u2011go fixture. Third, the thermal validation test showed a junction\u2011to\u2011ambient thermal resistance (RthJA) within 3\u202f% of the simulated value. Which confirming that the TIM bond line thickness was uniform and the heat sink performed as designed.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-13634\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/05\/CMM-Inspection-Precision-CNC-Machined-Copper-Component-Electronic-Enclosure-Quality-Control-\u2013-TPS-Elektronik-2.jpg\" alt=\"CMM Inspection Precision CNC Machined Copper Component Electronic Enclosure Quality Control \u2013 TPS Elektronik\" width=\"1920\" height=\"1005\" \/><\/p>\n<p>From a procurement perspective, consolidating precision machining with the existing EMS partnership reduced the supplier count and eliminated the need for incoming dimensional inspection. A cost that the customer had previously absorbed through a dedicated metrology technician. Full dimensional reports and material certificates provided with each delivery lot, supporting the customer\u2019s ISO\u202f9001 documentation requirements. For more detail on scaling from prototype to production with consistent quality, refer to our guide on <a href=\"https:\/\/tps-elektronik.com\/en\/ems-cnc-milling-precision-machining-prototype-to-production\/\">EMS CNC milling: high\u2011precision machining from prototype to production<\/a>.<\/p>\n<\/section>\n<section id=\"en-rfq\">\n<h2>4. RFQ checklist for precision enclosure machining<\/h2>\n<ul>\n<li><strong>CAD models and drawings<\/strong>: 3D STEP or IGES files with GD&amp;T annotations for all critical features. Native files accepted.<\/li>\n<li><strong>Material specification<\/strong>: Alloy and temper (e.g., AL6061\u2011T6, Cu\u2011ETP), plating or surface treatment requirements.<\/li>\n<li><strong>Tolerance requirements<\/strong>: Target flatness, positional, and profile tolerances. Indicate which features are critical\u2011to\u2011function.<\/li>\n<li><strong>PCB interface data<\/strong>: Board outline, connector positions, and mounting hole locations for alignment verification.<\/li>\n<li><strong>Quantities and schedule<\/strong>: Prototype, pilot, and series volumes with target delivery dates.<\/li>\n<li><strong>Inspection and documentation<\/strong>: Required dimensional reports, material certificates, and any customer\u2011specific FAI or PPAP formats.<\/li>\n<\/ul>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/cnc-milling\/\">Submit your precision CNC milling RFQ \u2192<\/a><\/p>\n<\/section>\n<section id=\"en-faq\">\n<h2>5. FAQ<\/h2>\n<p><strong>What tolerances can TPS achieve in aluminum and copper CNC milling?<\/strong><br \/>TPS routinely achieves tolerances of \u00b15\u202f\u00b5m for critical features such as flatness, positional accuracy, and profile tolerances. Achievable tolerance depends on part geometry, material, and feature size.<\/p>\n<p><strong>How does TPS ensure that machined enclosures fit the PCB assembly?<\/strong><br \/>We perform an integrated DFM review overlaying the enclosure CAD model with the PCB assembly data. Critical interfaces \u2014 mounting holes, connector cutouts, thermal contact areas \u2014 are checked for alignment and tolerance accumulation before machining begins.<\/p>\n<p><strong>What inspection documentation is provided?<\/strong><br \/>Full CMM dimensional reports traceable to calibrated instruments are delivered with each production lot. Material certificates, FAI reports per AS9102, and PPAP documentation can be provided upon request.<\/p>\n<p><strong>Can TPS machine both prototype and production quantities?<\/strong><br \/>Yes. Prototypes are machined on the same equipment and with the same process documentation used for series production, ensuring a seamless transition from prototype to volume without requalification.<\/p>\n<p><strong>Where can I learn more about TPS CNC milling capabilities?<\/strong><br \/>Visit the <a href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/cnc-milling\/\">TPS CNC milling service page<\/a> or read our technical overviews on <a href=\"https:\/\/tps-elektronik.com\/en\/types-of-milling-machine\/\">types of milling machines<\/a> and <a href=\"https:\/\/tps-elektronik.com\/en\/top-cnc-milling-machine-options\/\">top CNC milling machine options<\/a>.<\/p>\n<\/section>\n<footer style=\"background: #2d5797; padding: 30px; border-radius: 14px; margin-top: 40px;\">\n<p style=\"color: #ffffff; font-size: 16px; line-height: 1.6; margin: 0;\"><strong>Ready to solve your precision enclosure machining challenge?<\/strong><br \/>Contact TPS Elektronik for an integrated CNC milling service that delivers 5\u2011micron tolerances, full CMM documentation, and seamless integration with your PCB assembly.<br \/><a style=\"color: #ffffff; font-weight: 600; text-decoration: underline; display: block; margin-top: 10px;\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/cnc-milling\/\">Request your precision CNC milling consultation \u2192<\/a><\/p>\n<\/footer><\/article>\n\n<style id=\"wpforms-css-vars-4659-block-5d41d185-7625-4a90-a357-5347e984ae2b\">\n\t\t\t\t#wpforms-4659.wpforms-block-5d41d185-7625-4a90-a357-5347e984ae2b {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-block wpforms-block-5d41d185-7625-4a90-a357-5347e984ae2b wpforms-render-modern\" id=\"wpforms-4659\"><form id=\"wpforms-form-4659\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"4659\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/en\/wp-json\/wp\/v2\/case_studies\/13631\" data-token=\"22082cbcb34c72cb5c100dd2f6ab2ed1\" data-token-time=\"1781611276\"><noscript class=\"wpforms-error-noscript\">Please enable JavaScript in your browser to complete this form.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Please enable JavaScript in your browser to complete this form.<\/div><div class=\"wpforms-field-container\"><div id=\"wpforms-4659-field_1-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"1\"><fieldset><legend class=\"wpforms-field-label\">Name <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><div class=\"wpforms-field-row wpforms-field-large\"><div class=\"wpforms-field-row-block wpforms-first wpforms-one-half\"><input type=\"text\" id=\"wpforms-4659-field_1\" class=\"wpforms-field-name-first wpforms-field-required\" name=\"wpforms[fields][1][first]\" aria-errormessage=\"wpforms-4659-field_1-error\" required><label for=\"wpforms-4659-field_1\" class=\"wpforms-field-sublabel after\">First<\/label><\/div><div class=\"wpforms-field-row-block wpforms-one-half\"><input type=\"text\" id=\"wpforms-4659-field_1-last\" class=\"wpforms-field-name-last wpforms-field-required\" name=\"wpforms[fields][1][last]\" aria-errormessage=\"wpforms-4659-field_1-last-error\" required><label for=\"wpforms-4659-field_1-last\" class=\"wpforms-field-sublabel after\">Last<\/label><\/div><\/div><\/fieldset><\/div><div id=\"wpforms-4659-field_4-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_4\">Company <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"text\" id=\"wpforms-4659-field_4\" class=\"wpforms-field-large wpforms-field-required\" name=\"wpforms[fields][4]\" aria-errormessage=\"wpforms-4659-field_4-error\" required><\/div>\t\t<div id=\"wpforms-4659-field_5-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"5\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-4659-field_5\" >or Email Message<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-4659-field_5\" class=\"wpforms-field-medium\" name=\"wpforms[fields][5]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-4659-field_2-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_2\">Email <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-4659-field_2\" class=\"wpforms-field-large wpforms-field-required\" name=\"wpforms[fields][2]\" spellcheck=\"false\" aria-errormessage=\"wpforms-4659-field_2-error\" required><\/div><div id=\"wpforms-4659-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_3\">Comment or Message<\/label><textarea id=\"wpforms-4659-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-4659-field_3-error\" ><\/textarea><\/div><div id=\"wpforms-4659-field_6-container\" class=\"wpforms-field wpforms-field-checkbox\" data-field-id=\"6\"><fieldset><legend class=\"wpforms-field-label wpforms-label-hide\" aria-hidden=\"false\">Checkbox <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><ul id=\"wpforms-4659-field_6\" class=\"wpforms-field-required\"><li class=\"choice-1 depth-1 wpforms-selected\"><input type=\"checkbox\" id=\"wpforms-4659-field_6_1\" name=\"wpforms[fields][6][]\" value=\"I agree to the processing of my information for the purpose of creating a quote.\" aria-errormessage=\"wpforms-4659-field_6_1-error\" aria-describedby=\"wpforms-4659-field_6-description\" required  checked='checked'><label class=\"wpforms-field-label-inline\" for=\"wpforms-4659-field_6_1\">I agree to the processing of my information for the purpose of creating a quote.<\/label><\/li><\/ul><div id=\"wpforms-4659-field_6-description\" class=\"wpforms-field-description\">For information see Privacy.<\/div><\/fieldset><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-4659-field_5-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-4659-field_5-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-4659-field_5-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"4659\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/case_studies\/13631\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-4659\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Submit<\/button><img decoding=\"async\" src=\"https:\/\/tps-elektronik.com\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Loading\"><\/div><\/form><\/div>  <!-- .wpforms-container -->","protected":false},"excerpt":{"rendered":"<p>System integrators and panel builders rarely see the mechanical drawings that dictate whether a high\u2011density electronic enclosure will function as intended. A semiconductor test equipment manufacturer learned this lesson when their latest\u2011generation instrument failed thermal validation. Not because of a circuit design flaw, but because the custom aluminum heat sink and copper I\/O panel were\u2026 <a href=\"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/\">Read More &raquo;<\/a><\/p>\n","protected":false},"author":9,"featured_media":12291,"template":"","class_list":["post-13631","case_studies","type-case_studies","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS<\/title>\n<meta name=\"description\" content=\"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS\" \/>\n<meta property=\"og:description\" content=\"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/\" \/>\n<meta property=\"og:site_name\" content=\"TPS\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/04\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1408\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/\",\"name\":\"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg\",\"datePublished\":\"2026-06-16T07:00:00+00:00\",\"description\":\"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/#primaryimage\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg\",\"contentUrl\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg\",\"width\":1408,\"height\":768,\"caption\":\"High-precision laser cut sheet metal enclosure manufacturing process for industrial power supplies. Hochpr\u00e4ziser Herstellungsprozess f\u00fcr laser cut sheet metal enclosure f\u00fcr industrielle Stromversorgungen.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Case Studies\",\"item\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/case-studies\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/\",\"name\":\"TPS\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS","description":"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/","og_locale":"en_US","og_type":"article","og_title":"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS","og_description":"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.","og_url":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/","og_site_name":"TPS","og_image":[{"width":1408,"height":768,"url":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/04\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/","url":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/","name":"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures - TPS","isPartOf":{"@id":"https:\/\/tps-elektronik.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/#primaryimage"},"image":{"@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/#primaryimage"},"thumbnailUrl":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/04\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg","datePublished":"2026-06-16T07:00:00+00:00","description":"TPS precision CNC milling achieves 5\u2011micron tolerances in aluminum and copper for high\u2011density electronic enclosures. Full DFM and CMM inspection included.","breadcrumb":{"@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/#primaryimage","url":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/04\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg","contentUrl":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/04\/Precision-Sheet-Metal-Cutting-Service-for-Electronics-Enclosures-1.jpg","width":1408,"height":768,"caption":"High-precision laser cut sheet metal enclosure manufacturing process for industrial power supplies. Hochpr\u00e4ziser Herstellungsprozess f\u00fcr laser cut sheet metal enclosure f\u00fcr industrielle Stromversorgungen."},{"@type":"BreadcrumbList","@id":"https:\/\/tps-elektronik.com\/en\/case-studies\/tps-precision-cnc-milling-how-to-achieve-5-micron-tolerances-with-aluminum-and-copper-machining-for-high-density-electronic-enclosures\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/tps-elektronik.com\/en\/"},{"@type":"ListItem","position":2,"name":"Case Studies","item":"https:\/\/tps-elektronik.com\/en\/case-studies\/"},{"@type":"ListItem","position":3,"name":"TPS Precision CNC Milling: How to Achieve 5\u2011Micron Tolerances with Aluminum and Copper Machining for High\u2011Density Electronic Enclosures"}]},{"@type":"WebSite","@id":"https:\/\/tps-elektronik.com\/en\/#website","url":"https:\/\/tps-elektronik.com\/en\/","name":"TPS","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tps-elektronik.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/case_studies\/13631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/case_studies"}],"about":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/types\/case_studies"}],"author":[{"embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/users\/9"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/media\/12291"}],"wp:attachment":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/media?parent=13631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}