{"id":71,"date":"2025-09-02T11:36:37","date_gmt":"2025-09-02T11:36:37","guid":{"rendered":"https:\/\/weldomachining.com\/?page_id=71"},"modified":"2026-08-04T05:56:58","modified_gmt":"2026-08-04T05:56:58","slug":"%e5%b0%84%e5%87%ba%e6%88%90%e5%bd%a2","status":"publish","type":"page","link":"https:\/\/weldomachining.com\/ja\/service\/molding-services\/injection-molding\/","title":{"rendered":"\u5c04\u51fa\u6210\u5f62"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"71\" class=\"elementor elementor-71\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-279dc2f e-flex e-con-boxed e-con e-parent\" data-id=\"279dc2f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22cb4d8 elementor-widget elementor-widget-html\" data-id=\"22cb4d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim.wim-hero{max-width:1600px}.wim-hero .wim__inner{display:grid;grid-template-columns:minmax(0,.98fr) minmax(0,1.02fr);gap:30px;align-items:center}.wim-hero__figure{display:grid;place-items:center;width:100%;max-width:590px;aspect-ratio:4\/3;margin:0 auto;padding:10px;background:#f0f2eb;border:1px solid #dfe3d8;border-radius:14px}.wim-hero__figure img{width:100%!important;height:100%!important;object-fit:contain;border-radius:9px}.wim-hero__facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:16px}.wim-hero__fact{padding:10px;background:#f2f4ed;border:1px solid #e0e3d8;border-radius:9px}.wim-hero__fact span{display:block;margin-bottom:2px;color:#7b8273;font-size:9px;font-weight:760;text-transform:uppercase;letter-spacing:.05em}.wim-hero__fact strong{color:#56634f;font-size:11.5px}.wim-hero__chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}.wim-hero__chips span{padding:5px 8px;color:#62695e;background:#fff;border:1px solid #e0e2da;border-radius:999px;font-size:9.5px;font-weight:700}@media(max-width:850px){.wim-hero .wim__inner{grid-template-columns:1fr}.wim-hero__figure{max-width:540px}}@media(max-width:500px){.wim-hero__facts{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-hero\" aria-labelledby=\"wim-hero-title\"><div class=\"wim__inner\"><figure class=\"wim-hero__figure\"><img decoding=\"async\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/10\/Injection-Molding-Schematic-Diagram.webp\" alt=\"Custom molded plastic production\" fetchpriority=\"high\"><\/figure><div><div class=\"wim__eyebrow\">Custom Plastic molding<\/div><h1 id=\"wim-hero-title\">Injection Molding Services<\/h1><p>From mold development to repeat production, Weldo supports custom injection-molded plastic parts with material selection, tooling, molding and inspection coordinated around your drawing.<\/p><div class=\"wim-hero__facts\"><div class=\"wim-hero__fact\"><span>Production<\/span><strong>Prototype Tooling to Volume Runs<\/strong><\/div><div class=\"wim-hero__fact\"><span>Part Weight<\/span><strong>50\u20135000 g*<\/strong><\/div><div class=\"wim-hero__fact\"><span>General Tolerance<\/span><strong>About \u00b10.05 mm*<\/strong><\/div><div class=\"wim-hero__fact\"><span>Precision Features<\/span><strong>Reviewed to \u00b10.01 mm*<\/strong><\/div><\/div><div class=\"wim-hero__chips\"><span>ABS<\/span><span>PC<\/span><span>PA<\/span><span>PE<\/span><span>PEEK<\/span><span>PP<\/span><\/div><a class=\"wim__button\" href=\"https:\/\/weldomachining.com\/file-upload\/\">Upload Your Molding Project<\/a><p class=\"wim__note\">*Capability depends on resin, geometry, shrinkage, wall thickness, mold design and inspection method.<\/p><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42735fe elementor-widget elementor-widget-html\" data-id=\"42735fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-process__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:17px}.wim-process__step{position:relative}.wim-process__step p{font-size:10.7px}.wim-process__summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:10px}.wim-process__summary div{padding:10px;background:#eef1e8;border-radius:9px}.wim-process__summary strong{display:block;color:#596650;font-size:10.5px}.wim-process__summary small{color:#747b70;font-size:9.5px;line-height:1.4}@media(max-width:800px){.wim-process__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.wim-process__grid,.wim-process__summary{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-process\" aria-labelledby=\"wim-process-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Repeatable Molded Production<\/div><h2 id=\"wim-process-title\">How Injection Molding Works<\/h2><p>Plastic resin is melted, injected into a closed mold, cooled and ejected. The mold controls part geometry, texture and repeatability, while process settings control filling, packing and cooling.<\/p><\/header><div class=\"wim-process__grid\"><article class=\"wim__card wim-process__step\"><h3>Tooling Review<\/h3><p>Confirm resin, shrinkage, draft, gates, parting lines, ejectors and cooling.<\/p><\/article><article class=\"wim__card wim-process__step\"><h3>Resin Preparation<\/h3><p>Dry and condition the selected resin, colorant and reinforcement as required.<\/p><\/article><article class=\"wim__card wim-process__step\"><h3>Inject and Cool<\/h3><p>Control temperature, pressure, holding time and cooling for stable filling.<\/p><\/article><article class=\"wim__card wim-process__step\"><h3>Eject and Inspect<\/h3><p>Trim, inspect and finish the molded parts before packing or assembly.<\/p><\/article><\/div><div class=\"wim-process__summary\"><div><strong>High Repeatability<\/strong><small>Stable tooling supports consistent batch production.<\/small><\/div><div><strong>Complex Geometry<\/strong><small>Ribs, bosses, clips and inserts can be molded in one part.<\/small><\/div><div><strong>Efficient at Scale<\/strong><small>Tooling cost is distributed across repeat production quantities.<\/small><\/div><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5205612 elementor-widget elementor-widget-html\" data-id=\"5205612\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-material__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:17px}.wim-material__card{display:flex;gap:10px;min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e1e3da;border-radius:12px}.wim-material__card>span{display:grid;place-items:center;flex:0 0 29px;height:29px;color:#66705d;background:#e7eadf;border-radius:8px;font-size:9px;font-weight:800}.wim-material__card p{font-size:10.7px}.wim-material__tooling{margin-top:10px;padding:11px 13px;background:#eef0e8;border-radius:9px}.wim-material__tooling strong{color:#56624f;font-size:10.5px}@media(max-width:800px){.wim-material__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.wim-material__grid{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-material\" aria-labelledby=\"wim-material-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Injection Molding Resins<\/div><h2 id=\"wim-material-title\">Common Materials for Injection Molding Service <\/h2><p>Select resin by strength, impact, heat, chemicals, friction, color, flame rating and regulatory requirements\u2014not by price alone.<\/p><\/header><div class=\"wim-material__grid\"><article class=\"wim-material__card\"><span>01<\/span><div><h3><a class=\"wim__link\" href=\"https:\/\/weldomachining.com\/abs-cnc-machining\/\">ABS<\/a><\/h3><p>Impact-resistant housings, covers, ducts and consumer parts.<\/p><\/div><\/article><article class=\"wim-material__card\"><span>02<\/span><div><h3>PC<\/h3><p>Strong, transparent or flame-retardant parts requiring impact resistance.<\/p><\/div><\/article><article class=\"wim-material__card\"><span>03<\/span><div><h3>PA \/ Nylon<\/h3><p>Wear-resistant gears, clips, bearings and reinforced structural parts.<\/p><\/div><\/article><article class=\"wim-material__card\"><span>04<\/span><div><h3><a class=\"wim__link\" href=\"https:\/\/weldomachining.com\/pe-machining\/\">PE<\/a><\/h3><p>Chemical-resistant containers and low-friction molded components.<\/p><\/div><\/article><article class=\"wim-material__card\"><span>05<\/span><div><h3><a class=\"wim__link\" href=\"https:\/\/weldomachining.com\/peek-cnc-machining\/\">PEEK<\/a><\/h3><p>High-temperature aerospace, medical and industrial components.<\/p><\/div><\/article><article class=\"wim-material__card\"><span>06<\/span><div><h3>PP<\/h3><p>Lightweight living hinges, containers, connectors and repeat-bend parts.<\/p><\/div><\/article><\/div><p class=\"wim-material__tooling\"><strong>Mold and insert materials:<\/strong> aluminum and tool steel are commonly used for mold tooling; stainless steel and other metals may be used as molded-in inserts. These are not listed as plastic molding resins.<\/p><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8988ae elementor-widget elementor-widget-html\" data-id=\"d8988ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-cap__layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:11px;margin-top:17px}.wim-cap__table{overflow:visible;border:1px solid #e0e2d9;border-radius:11px}.wim-cap table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}.wim-cap td{padding:9px;color:#6e746b;background:#fffefa;border-bottom:1px solid #e5e5dd;font-size:10.5px;line-height:1.42;vertical-align:top}.wim-cap tr:last-child td{border-bottom:0}.wim-cap td:first-child{width:43%;color:#58644f;background:#f0f2eb;font-weight:760}.wim-cap__cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.wim-cap__cards p{font-size:10.3px}@media(max-width:800px){.wim-cap__layout{grid-template-columns:1fr}}@media(max-width:480px){.wim-cap__cards{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-cap\" aria-labelledby=\"wim-cap-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Project-Based Capability<\/div><h2 id=\"wim-cap-title\">Injection Molding Capabilities<\/h2><p>These figures reflect the range stated on the original page. Final capability must be confirmed after DFM, mold-flow and resin review.<\/p><\/header><div class=\"wim-cap__layout\"><div class=\"wim-cap__table\"><table><tbody><tr><td>Positioning accuracy<\/td><td>About \u00b10.01 mm<\/td><\/tr><tr><td>Repeat positioning<\/td><td>Up to \u22640.005 mm<\/td><\/tr><tr><td>Injection amount<\/td><td>50\u20135000 g<\/td><\/tr><tr><td>Mold stroke<\/td><td>500\u20131200 mm<\/td><\/tr><tr><td>Mold size<\/td><td>400\u20131800 mm<\/td><\/tr><tr><td>Part tolerance<\/td><td>About \u00b10.05 mm general; precision features reviewed to \u00b10.01 mm<\/td><\/tr><tr><td>Minimum wall reference<\/td><td>About 0.3 mm for PC; 0.5 mm for ABS<\/td><\/tr><tr><td>Mold surface reference<\/td><td>Mirror polish up to Ra 0.02 \u03bcm; texture resolution about 50 \u03bcm<\/td><\/tr><\/tbody><\/table><\/div><div class=\"wim-cap__cards\"><article class=\"wim__card\"><h3>Tooling Options<\/h3><p>Prototype aluminum molds and durable steel molds selected by quantity and resin.<\/p><\/article><article class=\"wim__card\"><h3>Insert Molding<\/h3><p>Metal inserts can be positioned and encapsulated during molding.<\/p><\/article><article class=\"wim__card\"><h3>Color and Texture<\/h3><p>Color matching, polished surfaces and molded textures are available.<\/p><\/article><article class=\"wim__card\"><h3>Secondary Work<\/h3><p>Machining, printing, coating, assembly and inspection can follow molding.<\/p><\/article><\/div><\/div><a class=\"wim__button\" href=\"https:\/\/weldomachining.com\/file-upload\/\">Send a Drawing for Capability Review<\/a><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2eaa0a elementor-widget elementor-widget-html\" data-id=\"b2eaa0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-guide__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:17px}.wim-guide__grid article{border-top:3px solid #aeb6a1}.wim-guide__grid p{font-size:10.7px}.wim-guide__defects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:10px}.wim-guide__defects div{padding:10px;background:#eef1e8;border-radius:9px}.wim-guide__defects strong{display:block;color:#596650;font-size:10px}.wim-guide__defects small{color:#757b71;font-size:9.4px;line-height:1.4}@media(max-width:800px){.wim-guide__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.wim-guide__grid,.wim-guide__defects{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-guide\" aria-labelledby=\"wim-guide-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Design for Molding<\/div><h2 id=\"wim-guide-title\">Injection Molding Design Guide<\/h2><p>Good molded-part design balances filling, cooling, ejection and appearance before tooling is released.<\/p><\/header><div class=\"wim-guide__grid\"><article class=\"wim__card\"><h3>Uniform Wall<\/h3><p>Keep walls as consistent as possible to reduce sink, warpage and uneven cooling.<\/p><\/article><article class=\"wim__card\"><h3>Draft Angles<\/h3><p>Add suitable draft to vertical faces, especially on textured surfaces.<\/p><\/article><article class=\"wim__card\"><h3>Ribs and Bosses<\/h3><p>Use balanced ribs and supported bosses instead of unnecessarily thick sections.<\/p><\/article><article class=\"wim__card\"><h3>Radii and Corners<\/h3><p>Use smooth transitions to improve flow and reduce stress concentration.<\/p><\/article><article class=\"wim__card\"><h3>Gate Location<\/h3><p>Place gates to support balanced filling and limit visible marks or weld lines.<\/p><\/article><article class=\"wim__card\"><h3>Material Shrinkage<\/h3><p>Size the mold around the selected resin, filler content and expected shrinkage.<\/p><\/article><\/div><div class=\"wim-guide__defects\"><div><strong>Warpage<\/strong><small>Balance walls, cooling and packing pressure.<\/small><\/div><div><strong>Sink Marks<\/strong><small>Reduce thick sections and optimize holding pressure.<\/small><\/div><div><strong>Flash<\/strong><small>Review parting lines, clamping and mold condition.<\/small><\/div><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33dd038 elementor-widget elementor-widget-html\" data-id=\"33dd038\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-app__layout{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:12px;margin-top:17px;align-items:center}.wim-app__figure{display:grid;place-items:center;aspect-ratio:4\/3;margin:0;padding:8px;background:#eef1e9;border:1px solid #e0e2d9;border-radius:11px}.wim-app__figure img{width:100%!important;height:100%!important;object-fit:contain;border-radius:7px}.wim-app__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.wim-app__grid article{border-left:3px solid #aeb6a1}.wim-app__grid p{font-size:10.7px}@media(max-width:800px){.wim-app__layout{grid-template-columns:1fr}.wim-app__figure{max-width:520px;margin:auto}}@media(max-width:500px){.wim-app__grid{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-app\" aria-labelledby=\"wim-app-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Production Applications<\/div><h2 id=\"wim-app-title\">Injection-Molded Part Applications<\/h2><p>Injection molding suits repeat production of detailed plastic parts across regulated, structural and cosmetic applications.<\/p><\/header><div class=\"wim-app__layout\"><figure class=\"wim-app__figure\"><img decoding=\"async\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/09\/20250903145345-ezgif.com-optiwebp.webp\" alt=\"Small molded plastic production components\" loading=\"lazy\"><\/figure><div class=\"wim-app__grid\"><article class=\"wim__card\"><h3>Automotive<\/h3><p>Dashboard frames, battery housings, ducts and reinforced structural parts.<\/p><\/article><article class=\"wim__card\"><h3>Medical Devices<\/h3><p>Instrument housings, handles and controlled-material plastic components.<\/p><\/article><article class=\"wim__card\"><h3>Consumer Electronics<\/h3><p>Enclosures, frames, buttons, connectors and wearable-device parts.<\/p><\/article><article class=\"wim__card\"><h3>Aerospace<\/h3><p>Lightweight cabin parts and high-temperature PEEK components.<\/p><\/article><\/div><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e1f6c4 elementor-widget elementor-widget-html\" data-id=\"9e1f6c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-quality__layout{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:12px;margin-top:17px}.wim-quality__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.wim-quality__grid p{font-size:10.5px}.wim-quality__gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.wim-quality__gallery figure{margin:0;overflow:hidden;background:#eef1e9;border:1px solid #e0e2d9;border-radius:10px}.wim-quality__gallery img{width:100%!important;aspect-ratio:4\/3;object-fit:contain}.wim-quality__gallery figcaption{padding:7px;color:#60695b;font-size:9px;font-weight:700;text-align:center}@media(max-width:800px){.wim-quality__layout{grid-template-columns:1fr}}@media(max-width:480px){.wim-quality__grid,.wim-quality__gallery{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-quality\" aria-labelledby=\"wim-quality-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Stable Production<\/div><h2 id=\"wim-quality-title\">Why Choose Injection Molding<\/h2><p>Injection molding combines repeatable geometry, broad resin choice and efficient production when tooling and process control are matched to the project.<\/p><\/header><div class=\"wim-quality__layout\"><div class=\"wim-quality__grid\"><article class=\"wim__card\"><h3>Repeatable Output<\/h3><p>Controlled tooling and process parameters support consistent production batches.<\/p><\/article><article class=\"wim__card\"><h3>Integrated Features<\/h3><p>Ribs, bosses, clips, textures and inserts can reduce later assembly.<\/p><\/article><article class=\"wim__card\"><h3>Material Choice<\/h3><p>Commodity and engineering resins support different mechanical environments.<\/p><\/article><article class=\"wim__card\"><h3>Scalable Cost<\/h3><p>Unit economics improve as tooling is distributed across repeat quantities.<\/p><\/article><\/div><div class=\"wim-quality__gallery\"><figure><img decoding=\"async\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1.webp\" alt=\"CMM dimensional inspection\" loading=\"lazy\"><figcaption>CMM Inspection<\/figcaption><\/figure><figure><img decoding=\"async\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/Projector-testing.webp\" alt=\"Optical projector inspection\" loading=\"lazy\"><figcaption>Optical Inspection<\/figcaption><\/figure><\/div><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b16ad2e elementor-widget elementor-widget-html\" data-id=\"b16ad2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n.wim,.wim *{box-sizing:border-box}.elementor .e-con:has(.wim){--width:100%!important;width:100%!important;max-width:none!important;padding-inline:0!important}.elementor .e-con-boxed:has(.wim)>.e-con-inner{--content-width:min(100%,1312px)!important;width:100%!important;max-width:1312px!important}.wim{width:calc(100% - 32px);max-width:1280px;margin:10px auto 12px;padding:10px;color:#3d4140;background:#f1f2ed;border-radius:22px;font-family:inherit}.wim__inner{padding:28px;background:#fffefa;border:1px solid #dfdfd6;border-radius:17px}.wim__eyebrow{margin-bottom:9px;color:#77806b;font-size:10px;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.wim h1,.wim h2,.wim h3,.wim p{overflow-wrap:anywhere}.wim h1{margin:0 0 12px;color:#303431;font-size:clamp(27px,3vw,36px);font-weight:770;line-height:1.13;letter-spacing:-.025em}.wim h2{margin:0 0 9px;color:#343834;font-size:clamp(22px,2vw,28px);font-weight:760;line-height:1.18;letter-spacing:-.015em}.wim h3{margin:0 0 6px;color:#465044;font-size:14px;line-height:1.3}.wim p{margin:0;color:#6c726a;font-size:clamp(13px,1.1vw,15px);line-height:1.58}.wim a{color:inherit}.wim img{display:block;max-width:100%}.wim__head{max-width:900px}.wim__card{min-width:0;padding:14px;background:#f5f6f1;border:1px solid #e2e3da;border-radius:12px}.wim__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:17px;padding:10px 18px;color:#fff!important;background:#7b856a;border-radius:9px;font-size:12px;font-weight:760;text-decoration:none!important;transition:.2s ease}.wim__button:hover{color:#fff!important;background:#667158;transform:translateY(-1px)}.wim__link{text-decoration:none;border-bottom:1px solid #b7bcaa}.wim__note{margin-top:9px!important;font-size:10px!important}\n\n.wim-faq__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:17px}.wim-faq details{min-width:0;background:#f5f6f1;border:1px solid #e1e3da;border-radius:11px}.wim-faq summary{position:relative;padding:12px 36px 12px 13px;color:#4d5848;font-size:11px;font-weight:740;line-height:1.4;cursor:pointer;list-style:none}.wim-faq summary::-webkit-details-marker{display:none}.wim-faq summary:after{position:absolute;top:9px;right:12px;color:#818b71;content:'+';font-size:18px}.wim-faq details[open] summary:after{content:'\u2013'}.wim-faq details>div{padding:0 13px 12px}.wim-faq details p{font-size:10.7px}.wim-faq__cta{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:14px;align-items:center;margin-top:13px;padding:15px;background:#ecefe6;border:1px solid #dce1d5;border-radius:12px}.wim-faq__steps{display:grid;gap:6px}.wim-faq__step{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#fffefa;border-radius:8px}.wim-faq__step span{display:grid;place-items:center;flex:0 0 23px;height:23px;color:#fff;background:#818b71;border-radius:6px;font-size:8.5px;font-weight:800}.wim-faq__step strong{color:#5c6755;font-size:10px}@media(max-width:700px){.wim-faq__list,.wim-faq__cta{grid-template-columns:1fr}}\n\n@media(max-width:700px){.wim{width:calc(100% - 16px);margin:7px auto 9px;padding:7px;border-radius:17px}.wim__inner{padding:22px 16px}.wim h1{font-size:27px}.wim h2{font-size:22px}}\n<\/style>\n<section class=\"wim wim-faq\" aria-labelledby=\"wim-faq-title\"><div class=\"wim__inner\"><header class=\"wim__head\"><div class=\"wim__eyebrow\">Injection Molding FAQ<\/div><h2 id=\"wim-faq-title\">Frequently Asked Questions<\/h2><p>Concise guidance on resin selection, tolerances, tooling, defects and quote preparation.<\/p><\/header><div class=\"wim-faq__list\"><details open><summary>What information is needed for an injection molding quote?<\/summary><div><p>Send the 3D model, 2D drawing, resin, color, finish, quantity, annual demand and critical quality requirements.<\/p><\/div><\/details><details><summary>Which plastic is best for injection molding?<\/summary><div><p>There is no universal best resin. Select by strength, impact, heat, chemicals, friction, appearance, compliance and cost.<\/p><\/div><\/details><details><summary>How tight can injection molding tolerances be?<\/summary><div><p>About \u00b10.05 mm is a useful general reference; tighter features may reach \u00b10.01 mm after drawing, resin and tooling review.<\/p><\/div><\/details><details><summary>Can you support inserts and secondary operations?<\/summary><div><p>Yes. Projects may include insert molding, machining, printing, coating, assembly and dimensional inspection.<\/p><\/div><\/details><details><summary>What causes warpage and sink marks?<\/summary><div><p>Uneven walls, cooling and packing are common causes. DFM and mold-flow review help reduce these risks before tooling.<\/p><\/div><\/details><details><summary>When is injection molding cost-effective?<\/summary><div><p>It is generally strongest for repeat production where mold cost can be distributed across sufficient part quantities.<\/p><\/div><\/details><\/div><div class=\"wim-faq__cta\"><div><h3>Start Your Injection Molding Project<\/h3><p>Upload the CAD files and tell us the resin, quantity, finish and critical dimensions. We will review the part for tooling and production.<\/p><a class=\"wim__button\" href=\"https:\/\/weldomachining.com\/file-upload\/\">Upload Your Design Files<\/a><\/div><div class=\"wim-faq__steps\"><div class=\"wim-faq__step\"><span>1<\/span><strong>Upload STEP and 2D Drawing<\/strong><\/div><div class=\"wim-faq__step\"><span>2<\/span><strong>Confirm Resin, Finish and Quantity<\/strong><\/div><div class=\"wim-faq__step\"><span>3<\/span><strong>Receive DFM Feedback and Quote<\/strong><\/div><\/div><\/div><\/div><\/section>\n\t\t\t\t<\/div>\n\t\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>Custom Plastic molding Injection Molding Services From mold development to repeat production, Weldo supports custom injection-molded plastic parts with material selection, tooling, molding and inspection coordinated around your drawing. ProductionPrototype Tooling to Volume RunsPart Weight50\u20135000 g*General ToleranceAbout \u00b10.05 mm*Precision FeaturesReviewed to \u00b10.01 mm*ABSPCPAPEPEEKPPUpload Your Molding Project *Capability depends on resin, geometry, shrinkage, wall thickness, mold design and inspection method. Repeatable Molded Production How Injection Molding Works Plastic resin is melted, injected into a closed mold, cooled and ejected. The mold controls part geometry, texture and repeatability, while process settings control filling, packing and cooling. Tooling Review Confirm resin, shrinkage, draft, gates, parting lines, ejectors and cooling. Resin Preparation Dry and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":69,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-71","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/pages\/71","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/comments?post=71"}],"version-history":[{"count":33,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/pages\/71\/revisions"}],"predecessor-version":[{"id":12883,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/pages\/71\/revisions\/12883"}],"up":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/pages\/69"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/media?parent=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}