{"id":3458,"date":"2025-11-05T02:53:29","date_gmt":"2025-11-05T02:53:29","guid":{"rendered":"https:\/\/weldomachining.com\/?page_id=3458"},"modified":"2026-11-09T07:53:05","modified_gmt":"2026-11-09T07:53:05","slug":"usinage-du-plastique-a-commande-numerique","status":"publish","type":"page","link":"https:\/\/weldomachining.com\/fr\/cnc-plastic-machining\/","title":{"rendered":"Usinage CNC des mati\u00e8res plastiques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3458\" class=\"elementor elementor-3458\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15e47e8 e-con-full e-flex e-con e-parent\" data-id=\"15e47e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1763d07 elementor-widget elementor-widget-html\" data-id=\"1763d07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!doctype html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"utf-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n  <meta name=\"description\" content=\"Custom CNC plastic machining in ABS, POM, PTFE, acrylic, nylon, PEEK and other polymers, plus FR-4 composite laminates. Drawing-based milling, turning, finishing and inspection.\">\n  <title>CNC Plastic Machining Services | Weldo<\/title>\n  <style>\n    body{margin:0;background:#fff}\n    #weldo-plastic-machining-page{\n      --pl-ink:#182135;--pl-muted:#626f83;--pl-brand:#292c91;--pl-dark:#202370;\n      --pl-cyan:#2f9fc2;--pl-line:#dfe5ec;--pl-soft:#f5f7fa;--pl-sky:#edf8fd;\n      --pl-wrap:min(1180px,calc(100% - 40px));\n      color:var(--pl-ink);background:#fff;font-family:Arial,\"Helvetica Neue\",Helvetica,sans-serif!important;\n      font-size:15.5px;font-weight:400;line-height:1.62;-webkit-font-smoothing:antialiased;\n    }\n    #weldo-plastic-machining-page *,#weldo-plastic-machining-page *::before,#weldo-plastic-machining-page *::after{box-sizing:border-box}\n    #weldo-plastic-machining-page [hidden]{display:none!important}\n    #weldo-plastic-machining-page :where(h1,h2,h3,p,figure,ul,dl){margin:0}\n    #weldo-plastic-machining-page 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#weldo-plastic-machining-page button{margin:0;cursor:pointer;font:inherit;text-transform:none;letter-spacing:0;-webkit-appearance:none;appearance:none}\n    #weldo-plastic-machining-page :where(a,button,summary){-webkit-tap-highlight-color:transparent}\n    #weldo-plastic-machining-page .pl-wrap{width:var(--pl-wrap);margin-inline:auto}\n    #weldo-plastic-machining-page .pl-section{padding:76px 0}\n    #weldo-plastic-machining-page .pl-soft{background:var(--pl-soft)}\n    #weldo-plastic-machining-page .pl-heading{max-width:800px;margin:0 auto 35px;text-align:center}\n    #weldo-plastic-machining-page .pl-button,#weldo-plastic-machining-page .pl-button:visited{display:inline-flex;min-height:48px;padding:12px 23px;align-items:center;justify-content:center;gap:12px;border:1px solid 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.pl-hero-copy>p{max-width:630px}\n    #weldo-plastic-machining-page .pl-points{display:flex;margin:25px 0 29px;flex-wrap:wrap;gap:12px 22px;padding:0;list-style:none}\n    #weldo-plastic-machining-page .pl-points li{display:flex;align-items:center;gap:9px;color:#344157;font-size:15px;font-weight:600;line-height:1.4}\n    #weldo-plastic-machining-page .pl-points li::before{content:\"\u2713\";display:grid;flex:0 0 25px;width:25px;height:25px;place-items:center;border-radius:50%;background:var(--pl-sky);color:var(--pl-brand);font-size:15px;font-weight:600}\n\n    \/* 02 \u2014 Reference properties *\/\n    #weldo-plastic-machining-page .pl-properties-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:45px;align-items:center}\n    #weldo-plastic-machining-page .pl-property-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:25px}\n    #weldo-plastic-machining-page .pl-property{padding:18px 16px;border:1px solid #d9e4ec;border-radius:11px;background:#fff}\n    #weldo-plastic-machining-page .pl-property dt{color:#56657b;font-size:15px;line-height:1.4}\n    #weldo-plastic-machining-page .pl-property dd{margin:7px 0 0;color:var(--pl-brand);font-size:20px;font-weight:600;line-height:1.35}\n    #weldo-plastic-machining-page .pl-property dd span{display:block;margin-top:3px;color:#617188;font-size:15px;font-weight:400}\n    #weldo-plastic-machining-page .pl-properties-media{display:flex;max-width:350px;min-width:0;padding:17px;align-items:center;justify-content:center;border:1px solid var(--pl-line);border-radius:14px;background:#fff}\n    #weldo-plastic-machining-page .pl-properties-media img{width:100%;max-height:310px;object-fit:contain}\n    #weldo-plastic-machining-page .pl-properties-note{margin-top:17px;font-size:15px!important}\n\n    \/* 03 \u2014 Stainless steel grades *\/\n    #weldo-plastic-machining-page .pl-tabs{display:flex;width:max-content;max-width:100%;gap:5px;padding:5px;margin:0 auto 28px;border:1px solid var(--pl-line);border-radius:10px;background:#fff}\n    #weldo-plastic-machining-page .pl-tabs .pl-tab{min-height:44px;padding:10px 23px;border:0!important;border-radius:7px;background:#fff!important;color:#536076!important;-webkit-text-fill-color:#536076!important;font-size:15px;font-weight:600;line-height:1.4;opacity:1!important;visibility:visible!important;box-shadow:none!important}\n    #weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"false\"]:hover,#weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"false\"]:focus,#weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"false\"]:active{background:var(--pl-sky)!important;color:var(--pl-brand)!important;-webkit-text-fill-color:var(--pl-brand)!important}\n    #weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"true\"],#weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"true\"]:hover,#weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"true\"]:focus,#weldo-plastic-machining-page .pl-tabs .pl-tab[aria-selected=\"true\"]:active{background:var(--pl-brand)!important;color:#fff!important;-webkit-text-fill-color:#fff!important;opacity:1!important;visibility:visible!important}\n    #weldo-plastic-machining-page .pl-tabs .pl-tab>*{color:inherit!important;-webkit-text-fill-color:inherit!important;opacity:1!important;visibility:visible!important}\n    #weldo-plastic-machining-page .pl-grade-panel{display:grid;grid-template-columns:minmax(0,.73fr) minmax(0,1.27fr);gap:42px;padding:30px;border:1px solid var(--pl-line);border-radius:15px;background:#fff;align-items:center}\n    #weldo-plastic-machining-page .pl-grade-media{display:flex;min-width:0;align-items:center;justify-content:center}\n    #weldo-plastic-machining-page .pl-grade-media img{width:100%;height:290px;object-fit:contain}\n    #weldo-plastic-machining-page .pl-grade-copy{min-width:0}\n    #weldo-plastic-machining-page .pl-grade-copy h3{font-size:24px!important}\n    #weldo-plastic-machining-page .pl-grade-copy details{margin-top:20px;border-top:1px solid var(--pl-line)}\n    #weldo-plastic-machining-page .pl-grade-copy summary{position:relative;display:block;padding:16px 28px 0 0;color:var(--pl-brand)!important;font-size:15px;font-weight:600;cursor:pointer;list-style:none}\n    #weldo-plastic-machining-page summary::-webkit-details-marker{display:none}\n    #weldo-plastic-machining-page .pl-grade-copy summary::after{content:\"+\";position:absolute;right:1px;top:11px;font-size:23px;font-weight:400;line-height:1.4}\n    #weldo-plastic-machining-page .pl-grade-copy details[open] summary::after{content:\"\u2212\"}\n    #weldo-plastic-machining-page .pl-grade-copy dl{margin-top:13px}\n    #weldo-plastic-machining-page .pl-grade-copy dl>div{padding-top:12px;margin-top:12px;border-top:1px solid #edf0f4}\n    #weldo-plastic-machining-page .pl-grade-copy dt{margin-bottom:3px;color:#445166;font-size:15px;font-weight:600}\n    #weldo-plastic-machining-page .pl-grade-copy dd{margin:0;color:var(--pl-muted);font-size:15px;line-height:1.55}\n    #weldo-plastic-machining-page .pl-note{margin-top:20px;padding:17px 21px;border:1px solid #d7e7ee;border-radius:11px;background:var(--pl-sky)}\n    #weldo-plastic-machining-page .pl-note p{font-size:15px!important}\n\n    \/* 04 \u2014 Drawing-based capabilities *\/\n    #weldo-plastic-machining-page .pl-cap-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:24px;align-items:start}\n    #weldo-plastic-machining-page .pl-cap-box{min-width:0;overflow:hidden;border:1px solid var(--pl-line);border-radius:14px;background:#fff}\n    #weldo-plastic-machining-page .pl-box-heading{padding:22px 23px 18px;border-bottom:1px solid var(--pl-line)}\n    #weldo-plastic-machining-page .pl-box-heading h3{margin:0}\n    #weldo-plastic-machining-page .pl-table{width:100%;border-collapse:collapse;color:var(--pl-muted);font-size:15px;line-height:1.55}\n    #weldo-plastic-machining-page .pl-table th,#weldo-plastic-machining-page .pl-table td{padding:17px 22px;border-bottom:1px solid #e7ecf1;text-align:left;vertical-align:top}\n    #weldo-plastic-machining-page .pl-table th{width:39%;color:#445166;font-weight:600}\n    #weldo-plastic-machining-page .pl-table td strong{display:block;color:var(--pl-brand);font-weight:600}\n    #weldo-plastic-machining-page .pl-table td span{display:block;margin-top:4px}\n    #weldo-plastic-machining-page .pl-table tr:last-child>*{border-bottom:0}\n    #weldo-plastic-machining-page .pl-controls{padding:0 23px}\n    #weldo-plastic-machining-page .pl-control{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:22px 0;border-bottom:1px solid #e7ecf1}\n    #weldo-plastic-machining-page .pl-control:last-child{border-bottom:0}\n    #weldo-plastic-machining-page .pl-control h3{font-size:17px!important}\n    #weldo-plastic-machining-page .pl-control p{font-size:15px!important}\n    #weldo-plastic-machining-page .pl-icon{display:grid;width:42px;height:42px;place-items:center;border-radius:10px;background:var(--pl-sky);color:var(--pl-brand)}\n    #weldo-plastic-machining-page .pl-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}\n    #weldo-plastic-machining-page .pl-cap-note{margin:19px auto 0;max-width:990px;font-size:15px!important;text-align:center}\n\n    \/* 05 \u2014 Surface finishing *\/\n    #weldo-plastic-machining-page .pl-finish-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px;align-items:stretch}\n    #weldo-plastic-machining-page .pl-finish-card{min-width:0;overflow:hidden;border:1px solid var(--pl-line);border-radius:13px;background:#fff}\n    #weldo-plastic-machining-page .pl-finish-media{padding:13px;background:#fff}\n    #weldo-plastic-machining-page .pl-finish-media img{width:100%;height:auto;aspect-ratio:1;object-fit:contain}\n    #weldo-plastic-machining-page .pl-finish-copy{padding:19px 18px 22px;border-top:1px solid var(--pl-line)}\n    #weldo-plastic-machining-page .pl-finish-copy h3{font-size:17px!important}\n    #weldo-plastic-machining-page .pl-finish-copy p{font-size:15px!important}\n    #weldo-plastic-machining-page .pl-finish-link{margin-top:23px;text-align:center}\n\n    \/* 06 \/ 07 \u2014 Actual images share a height; widths follow their natural proportions. *\/\n    #weldo-plastic-machining-page .pl-gallery-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}\n    #weldo-plastic-machining-page .pl-gallery-head>div:first-child{max-width:790px;min-width:0}\n    #weldo-plastic-machining-page .pl-slider-controls{display:flex;flex:0 0 auto;gap:8px}\n    #weldo-plastic-machining-page .pl-slider-button{display:grid;width:44px;height:44px;padding:0;place-items:center;border:1px solid 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dd{margin:0;color:var(--pl-muted);font-size:15px;line-height:1.55}\n    @media(max-width:1000px){\n      #weldo-plastic-machining-page .pl-material-grid{grid-template-columns:1fr 1fr}\n      #weldo-plastic-machining-page .pl-dfm-layout{grid-template-columns:1fr;gap:30px}\n      #weldo-plastic-machining-page .pl-dfm-media{max-width:420px;margin-inline:auto}\n    }\n    @media(max-width:780px){\n      #weldo-plastic-machining-page .pl-hero-media{margin-inline:auto}\n      #weldo-plastic-machining-page .pl-benefits{grid-template-columns:1fr;gap:24px}\n      #weldo-plastic-machining-page .pl-quality-layout{grid-template-columns:1fr;gap:30px}\n      #weldo-plastic-machining-page .pl-inspection-media{max-width:340px;margin-inline:auto}\n    }\n    @media(max-width:560px){\n      #weldo-plastic-machining-page .pl-hero-media img{max-width:340px;height:auto;max-height:none;aspect-ratio:auto}\n      #weldo-plastic-machining-page .pl-material-grid,#weldo-plastic-machining-page .pl-dfm-items{grid-template-columns:1fr;gap:20px}\n      #weldo-plastic-machining-page .pl-material-card{padding:22px 20px}\n      #weldo-plastic-machining-page .pl-inspection-media{max-width:290px}\n    }\n  <\/style>\n<\/head>\n<body>\n<main id=\"weldo-plastic-machining-page\">\n\n  <!-- 01 \u2014 Left-image hero -->\n  <section class=\"pl-hero\" aria-labelledby=\"pl-title\"><div class=\"pl-wrap pl-hero-grid\">\n    <figure class=\"pl-hero-media\"><img fetchpriority=\"high\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/09\/cnc-plastic-machining-part.webp\" width=\"700\" height=\"700\" alt=\"Custom CNC machined plastic component\" fetchpriority=\"high\" decoding=\"async\"><\/figure>\n    <div class=\"pl-hero-copy\"><h1 id=\"pl-title\">Custom CNC Plastic Machining<\/h1><p>Weldo machines engineering plastics and composite stock into custom prototypes and repeat-production parts. We review the exact grade, geometry, critical dimensions, and inspection condition before planning milling, turning, and finishing.<\/p><ul class=\"pl-points\"><li>Engineering Plastics &amp; FR-4<\/li><li>CNC Milling &amp; Turning<\/li><li>Drawing-Based Inspection<\/li><\/ul><a class=\"pl-button\" href=\"https:\/\/weldomachining.com\/file-upload\/\">Upload Your Plastic Part Drawing <svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"m11.2 4.5 5.5 5.5-5.5 5.5-1.4-1.4 3.1-3.1H3.5V9h9.4L9.8 5.9z\"\/><\/svg><\/a><\/div>\n  <\/div><\/section>\n\n  <!-- 02 \u2014 Process selection -->\n  <section class=\"pl-section\" aria-labelledby=\"pl-process-title\"><div class=\"pl-wrap\">\n    <div class=\"pl-heading\"><h2 id=\"pl-process-title\">When CNC Plastic Machining Makes Sense<\/h2><p>Machining is a practical route when the design is evolving, specific material performance matters, or the quantity favors production from stock.<\/p><\/div>\n    <div class=\"pl-benefits\">\n      <article class=\"pl-benefit\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M4 5h16v14H4zM8 5v14m8-14v14M4 10h16M4 14h16\"\/><\/svg><\/span><h3>Prototypes Without Mold Tooling<\/h3><p>Machine functional samples from suitable sheet, plate, rod, or tube while the design and test requirements are evolving.<\/p><\/article>\n      <article class=\"pl-benefit\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M4 3v15h16M8 3v6m8-6v6M4 6h16M10 18v3m7-3v3\"\/><path d=\"M9 12h8m-4-3v6\"\/><\/svg><\/span><h3>Features Defined by the Drawing<\/h3><p>Create bores, pockets, threads, and mating surfaces around the dimensions that control the assembly.<\/p><\/article>\n      <article class=\"pl-benefit\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"m3 7 5-3 5 3-5 3-5-3Zm0 0v6l5 3 5-3V7M13 11l4-2 4 2-4 3-4-3Zm0 0v6l4 3 4-3v-6M8 10v6m9-2v6\"\/><\/svg><\/span><h3>Flexible Production Quantities<\/h3><p>Support engineering samples and repeat batches. Compare total machining and molding costs when the design and sustained volume justify tooling.<\/p><\/article>\n    <\/div><p class=\"pl-process-link\"><a class=\"pl-link\" href=\"https:\/\/weldomachining.com\/cnc-machining\/\">Explore CNC machining services \u2192<\/a><\/p>\n  <\/div><\/section>\n\n  <!-- 03 \u2014 Plastic and composite materials -->\n  <section class=\"pl-section pl-soft\" aria-labelledby=\"pl-materials-title\"><div class=\"pl-wrap\">\n    <div class=\"pl-heading\"><h2 id=\"pl-materials-title\">Plastics and Composites for Custom Parts<\/h2><p>Choose the exact grade for load, heat, chemicals, wear, clarity, and dimensional stability. Fillers, color, and stock form can change the machining route and finished performance.<\/p><\/div>\n    <div class=\"pl-material-grid\">\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/abs-cnc-machining\/\">ABS<\/a><\/h3><p>Impact-resistant grades for machined housings, brackets, covers, and functional prototypes.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Control heat, stock stress, clamping marks, and thin-wall movement. Specify the exact ABS grade, color, and cosmetic surfaces before finishing.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3>PVC<\/h3><p>Rigid PVC options for chemical-service valve components, insulating spacers, and fluid-handling parts.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Specify rigid grade, chemicals, temperature, and stock form. Match cutting and compatible finishing methods to the material and operating conditions.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/pom-cnc-machining\/\">POM \/ Acetal<\/a><\/h3><p>Low friction and low moisture uptake make acetal useful for gears, bushings, guides, and precision mechanical parts.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Confirm homopolymer or copolymer grade, fillers, load, and service conditions. Review thermal movement, stress release, fits, and controlled deburring.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/ptfe-machining\/\">PTFE<\/a><\/h3><p>Low friction and broad chemical compatibility for seals, valve seats, sleeves, and insulating components.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Account for creep, low stiffness, thermal movement, and clamping deformation. Specify unfilled or filled grade and the accepted measurement condition.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/cnc-machining-acrylic\/\">PMMA \/ Acrylic<\/a><\/h3><p>Transparent stock for viewing windows, light guides, instrument covers, and selected display components.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Protect edges and surfaces from cracking, heat, and incompatible chemicals. Define the required clarity, stock type, and any polishing or optical acceptance.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3>PC \/ Polycarbonate<\/h3><p>Impact-resistant transparent grades for protective covers, machine guards, and instrument housings.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Review residual stress, chemical compatibility, coolant selection, edge condition, and any forming or finishing. Specify transparency and impact requirements for the actual grade.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/cnc-machining-fr4\/\">FR-4<\/a><\/h3><p>Stiff glass-epoxy laminate for insulating plates, spacers, fixtures, and electrical test supports.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Glass reinforcement is abrasive. Match tooling, edge support, and dust control to the laminate, and specify thickness, orientation, surface condition, and required electrical grade.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/nylon-cnc-machining\/\">PA \/ Nylon<\/a><\/h3><p>Tough, wear-resistant grades for rollers, guide wheels, bushings, and mechanical components.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Specify PA type, cast or extruded stock, fillers, and moisture condition. Moisture uptake can change dimensions, so agree conditioning and close-fit inspection requirements.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/pe-machining\/\">PE \/ HDPE<\/a><\/h3><p>Chemical-resistant grades for wear strips, guides, low-load fluid-handling parts, and equipment components.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Review stiffness, creep, heat, and clamping distortion. Define the actual PE grade and the requirements for threads, sealing faces, joining, and any surface treatment.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3><a href=\"https:\/\/weldomachining.com\/peek-cnc-machining\/\">PEEK<\/a><\/h3><p>High-performance grades for heat-exposed fixtures, insulating spacers, bearing parts, and demanding mechanical components.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Select unfilled, glass-filled, carbon-filled, or bearing grade for the duty. Confirm stock condition, grain or filler effects, cutting tools, service temperature, and required material records.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3>PP \/ Polypropylene<\/h3><p>Lightweight, chemically resistant stock for lab fittings, fluid-system components, and process-equipment parts.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Account for low stiffness, creep, thermal movement, and chip behavior. Specify grade, chemical exposure, temperature, and compatible joining or coating requirements.<\/p><\/div><\/details><\/article>\n      <article class=\"pl-material-card\"><h3>HIPS<\/h3><p>Impact-modified polystyrene for economical covers, panels, and prototype housings with modest heat and load demands.<\/p><details><summary>Machining notes<\/summary><div class=\"pl-material-detail\"><p>Confirm impact needs, temperature, chemicals, and cosmetic finish. Support thin sections and plan cutting and deburring to limit damage or distortion.<\/p><\/div><\/details><\/article>\n    <\/div><div class=\"pl-note\"><p>FR-4 is a glass-epoxy composite laminate. For each material, confirm the exact grade, filler, stock form, available size, and required documentation. Critical fits should state the temperature, moisture, and loading conditions used for acceptance.<\/p><\/div>\n  <\/div><\/section>\n\n  <!-- 04 \u2014 DFM and process control -->\n  <section class=\"pl-section\" aria-labelledby=\"pl-dfm-title\"><div class=\"pl-wrap\">\n    <div class=\"pl-heading\"><h2 id=\"pl-dfm-title\">Plan for Plastic Movement and Surface Quality<\/h2><p>Thermal expansion, low stiffness, moisture uptake, and stock stress can affect machined plastic dimensions. Match the route to the actual grade and geometry.<\/p><\/div>\n    <div class=\"pl-dfm-layout\">\n      <div class=\"pl-dfm-items\">\n        <article class=\"pl-dfm-item\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M12 3v11m-3-2V5a3 3 0 0 1 6 0v7a5 5 0 1 1-6 0\"\/><path d=\"M12 16v2m7-12h2m-2 4h2\"\/><\/svg><\/span><div><h3>Heat and Chip Control<\/h3><p>Use sharp tools, suitable engagement, and reliable chip evacuation to limit rubbing, softening, melting, and edge damage.<\/p><\/div><\/article>\n        <article class=\"pl-dfm-item\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M3 7h18M3 17h18M7 7v10m10-10v10M5 10h4m6 4h4\"\/><rect x=\"9\" y=\"9\" width=\"6\" height=\"6\" rx=\"1\"\/><\/svg><\/span><div><h3>Low-Stress Support<\/h3><p>Use broad, controlled support and clamping to limit marks, deflection, and springback in flexible or thin features.<\/p><\/div><\/article>\n        <article class=\"pl-dfm-item\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M12 3s-6 7-6 11a6 6 0 0 0 12 0c0-4-6-11-6-11Z\"\/><path d=\"M9 15a3 3 0 0 0 3 3\"\/><\/svg><\/span><div><h3>Moisture and Stock Stress<\/h3><p>Review moisture-sensitive materials and residual stock stress. Plan conditioning or grade-specific stress relief where appropriate.<\/p><\/div><\/article>\n        <article class=\"pl-dfm-item\"><span class=\"pl-icon\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\"><path d=\"M4 3v15h16M8 3v6m8-6v6M4 6h16M10 18v3m7-3v3\"\/><path d=\"M9 12h8m-4-3v6\"\/><\/svg><\/span><div><h3>Defined Inspection Conditions<\/h3><p>Agree datums, support, measurement method, temperature, and moisture condition for the features that control the assembly.<\/p><\/div><\/article>\n      <\/div>\n      <figure class=\"pl-dfm-media\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/elementor\/thumbs\/5-axis-machining--rnq7erev995ngeeyg6vl67336whnepyi40c19jq360.webp\" width=\"600\" height=\"500\" alt=\"Multi-axis machining equipment at Weldo\" loading=\"lazy\" decoding=\"async\"><\/figure>\n    <\/div>\n  <\/div><\/section>\n\n  <!-- 05 \u2014 Machined plastic projects -->\n  <section class=\"pl-section pl-soft\" aria-labelledby=\"pl-projects-title\"><div class=\"pl-wrap\">\n    <div class=\"pl-gallery-head\"><div><h2 id=\"pl-projects-title\">Weldo Plastic Machining Projects<\/h2><p>Examples of ABS housings, POM precision parts, PTFE components, FR-4 insulating parts, and machined PE components produced by Weldo.<\/p><\/div><div class=\"pl-slider-controls\"><button class=\"pl-slider-button\" type=\"button\" data-pl-track=\"pl-projects\" data-pl-direction=\"-1\" aria-controls=\"pl-projects\" aria-label=\"Previous project images\"><svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"m8.8 4.5-5.5 5.5 5.5 5.5 1.4-1.4L7.1 11h9.4V9H7.1l3.1-3.1z\"\/><\/svg><\/button><button class=\"pl-slider-button\" type=\"button\" data-pl-track=\"pl-projects\" data-pl-direction=\"1\" aria-controls=\"pl-projects\" aria-label=\"Next project images\"><svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"m11.2 4.5 5.5 5.5-5.5 5.5-1.4-1.4 3.1-3.1H3.5V9h9.4L9.8 5.9z\"\/><\/svg><\/button><\/div><\/div>\n    <div class=\"pl-gallery-track\" id=\"pl-projects\" role=\"region\" aria-labelledby=\"pl-projects-title\" tabindex=\"0\">\n      <figure class=\"pl-gallery-image\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/cnc-ABS-housing-1.webp\" width=\"800\" height=\"600\" alt=\"CNC machined ABS housing\" loading=\"lazy\" decoding=\"async\"><\/figure>\n      <figure class=\"pl-gallery-image\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/cnc-machining-pom-part-1.webp\" width=\"700\" height=\"525\" alt=\"Precision machined POM part\" loading=\"lazy\" decoding=\"async\"><\/figure>\n      <figure class=\"pl-gallery-image\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/turn-mill-compound-ptfe-parts-2.webp\" width=\"750\" height=\"563\" alt=\"Turn-milled PTFE components\" loading=\"lazy\" decoding=\"async\"><\/figure>\n      <figure class=\"pl-gallery-image\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/12\/FR4-green-color-resin-glass-fiber-precision-part-11.webp\" width=\"800\" height=\"600\" alt=\"FR-4 glass-epoxy insulating part\" loading=\"lazy\" decoding=\"async\"><\/figure>\n      <figure class=\"pl-gallery-image\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/5-axis-machined-PE-part.webp\" width=\"700\" height=\"525\" alt=\"Five-axis machined PE component\" loading=\"lazy\" decoding=\"async\"><\/figure>\n    <\/div>\n  <\/div><\/section>\n\n  <!-- 06 \u2014 Finishing and inspection -->\n  <section class=\"pl-section\" aria-labelledby=\"pl-quality-title\"><div class=\"pl-wrap pl-quality-layout\">\n    <figure class=\"pl-inspection-media\"><img loading=\"lazy\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/elementor\/thumbs\/CMM-test-center-rnq7escpg36xs0dlapa7qoujsad0mf28g4ziqtoozs.webp\" width=\"600\" height=\"500\" alt=\"Coordinate measuring machine for dimensional inspection\" loading=\"lazy\" decoding=\"async\"><\/figure>\n    <div><h2 id=\"pl-quality-title\">Finishing and Inspection for Plastic Parts<\/h2><p>Functional parts often use an as-machined surface with controlled deburring. Additional finishing is selected for the resin, geometry, and target appearance.<\/p><dl class=\"pl-quality-list\">\n      <div><dt>Surface and edge requirements<\/dt><dd>Specify roughness, burr limits, corner condition, cosmetic faces, and any surfaces that need special protection.<\/dd><\/div>\n      <div><dt>Resin-compatible finishing<\/dt><dd>Review polishing, texture, printing, or coating with suitable surface preparation. Define clarity or adhesion acceptance where required.<\/dd><\/div>\n      <div><dt>Dimensional verification<\/dt><dd>Select suitable gauges, optical methods, or CMM checks. Agree support, contact force, datums, and environmental conditions for critical features.<\/dd><\/div>\n      <div><dt>Material records<\/dt><dd>Request the exact resin grade, filler, color, stock condition, and traceability documents needed for the application.<\/dd><\/div>\n    <\/dl><a class=\"pl-link\" href=\"https:\/\/weldomachining.com\/surface-finish\/\">Review surface finishing options \u2192<\/a><\/div>\n  <\/div><\/section>\n\n  <!-- 07 \u2014 FAQ and project CTA -->\n  <section class=\"pl-section pl-soft\" aria-labelledby=\"pl-faq-title\"><div class=\"pl-wrap pl-final-grid\">\n    <div><h2 id=\"pl-faq-title\">CNC Plastic Machining Questions<\/h2><div class=\"pl-faq\">\n      <details open><summary>What tolerances can machined plastic parts hold?<\/summary><div class=\"pl-answer\"><p>Review the grade, feature size, geometry, wall thickness, temperature, moisture, support, and measurement method. Mark critical dimensions and acceptance conditions on the drawing so the machining and inspection route can be agreed.<\/p><\/div><\/details>\n      <details><summary>How can warping be reduced?<\/summary><div class=\"pl-answer\"><p>Use suitable stock, sharp tools, supported workholding, controlled heat, and balanced material removal. For sensitive materials or large stock removal, review grade-specific conditioning or stress relief and finish critical dimensions in the required condition.<\/p><\/div><\/details>\n      <details><summary>When is molding more economical?<\/summary><div class=\"pl-answer\"><p>CNC machining supports prototypes, design revisions, and smaller or repeated batches from stock. Molding can reduce unit cost when the stable geometry, annual quantity, tooling investment, material, and qualification needs support that route.<\/p><\/div><\/details>\n      <details><summary>Can machined plastic parts be polished or coated?<\/summary><div class=\"pl-answer\"><p>Often, with a compatible process. Acrylic can be polished toward a specified clarity, while low-surface-energy polymers may need special preparation for coating or printing. Define the actual resin, surface requirement, and finished acceptance criteria.<\/p><\/div><\/details>\n    <\/div><\/div>\n    <aside class=\"pl-cta\"><h2>Let's Review Your Plastic Part<\/h2><p>Send the model and drawing. We will review material, machining, finishing, and inspection for a practical production plan and quotation.<\/p><ul class=\"pl-checks\"><li>3D model and controlled 2D drawing<\/li><li>Resin grade, filler, color, and stock form<\/li><li>Quantity and target schedule<\/li><li>Critical fits, datums, and loading conditions<\/li><li>Surface finish, clarity, or coating requirements<\/li><li>Conditioning, inspection, and material records<\/li><\/ul><div class=\"pl-files\" aria-label=\"Project file formats\"><span>STEP<\/span><span>IGES<\/span><span>DWG<\/span><span>DXF<\/span><span>PDF<\/span><\/div><a class=\"pl-button\" href=\"https:\/\/weldomachining.com\/file-upload\/\">Start Your Plastic Part Review <svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"m11.2 4.5 5.5 5.5-5.5 5.5-1.4-1.4 3.1-3.1H3.5V9h9.4L9.8 5.9z\"\/><\/svg><\/a><p class=\"pl-cta-note\">If the grade is not yet selected, include load, temperature, chemicals, moisture, wear, electrical requirements, and the intended appearance.<\/p><\/aside>\n  <\/div><\/section>\n<\/main>\n<script>\n  (()=>{\n    const root=document.getElementById('weldo-plastic-machining-page');\n    if(!root)return;\n    const reduceMotion=window.matchMedia('(prefers-reduced-motion: reduce)').matches;\n    root.querySelectorAll('[data-pl-track]').forEach(button=>{\n      button.addEventListener('click',()=>{\n        const track=root.querySelector('#'+button.dataset.plTrack);\n        if(track)track.scrollBy({left:Number(button.dataset.plDirection)*track.clientWidth*.82,behavior:reduceMotion?'auto':'smooth'});\n      });\n    });\n  })();\n<\/script>\n<\/body>\n<\/html>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CNC Plastic Machining Services | Weldo Custom CNC Plastic Machining Weldo machines engineering plastics and composite stock into custom prototypes and repeat-production parts. We review the exact grade, geometry, critical dimensions, and inspection condition before planning milling, turning, and finishing. Engineering Plastics &amp; FR-4 CNC Milling &amp; Turning Drawing-Based Inspection Upload Your Plastic Part Drawing [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3482,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3458","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/pages\/3458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/comments?post=3458"}],"version-history":[{"count":77,"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/pages\/3458\/revisions"}],"predecessor-version":[{"id":15769,"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/pages\/3458\/revisions\/15769"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/media\/3482"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/fr\/wp-json\/wp\/v2\/media?parent=3458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}