{"id":29946,"date":"2024-06-26T15:29:10","date_gmt":"2024-06-26T07:29:10","guid":{"rendered":"https:\/\/zetarmold.com\/?p=29946"},"modified":"2026-04-29T10:14:00","modified_gmt":"2026-04-29T02:14:00","slug":"3d%e3%83%97%e3%83%aa%e3%83%b3%e3%83%88%e9%87%91%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/ja\/3d%e3%83%97%e3%83%aa%e3%83%b3%e3%83%88%e9%87%91%e5%9e%8b\/","title":{"rendered":"\u5c04\u51fa\u6210\u5f62\u7528\u306e3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u4f5c\u308b\u306b\u306f\uff1f"},"content":{"rendered":"<p><strong>\u306f\u3058\u3081\u306b<\/strong><a href=\"https:\/\/zetarmold.com\/ja\/injection-molding-complete-guide\/\">\u5c04\u51fa\u6210\u5f62<\/a> \u30d7\u30ea\u30f3\u30c8\u3055\u308c\u305f\u91d1\u578b\u30a2\u30bb\u30f3\u30d6\u30ea <a href=\"https:\/\/zetarmold.com\/ja\/injection-mold-complete-guide\/\">\u5c04\u51fa\u6210\u5f62\u91d1\u578b<\/a> to produce high-volume parts with consistent quality. But what if you need <a href=\"https:\/\/zetarmold.com\/ja\/%e4%bd%8e%e3%83%9c%e3%83%aa%e3%83%a5%e3%83%bc%e3%83%a0%e5%b0%84%e5%87%ba%e6%88%90%e5%bd%a2%e3%82%aa%e3%83%97%e3%82%b7%e3%83%a7%e3%83%b3\/\">prototype tooling<\/a><sup id=\"fnref1:1\"><a href=\"#fn:1\" class=\"footnote-ref\">1<\/a><\/sup> fast, without the cost and lead time of steel molds?<\/p>\n<p>However, conventional mold making can be both time-consuming and costly, particularly for small or custom production runs. <a href=\"https:\/\/formlabs.com\/blog\/3d-printing-for-injection-molding\/\">3D\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0<\/a><sup id=\"fnref1:2\"><a href=\"#fn:2\" class=\"footnote-ref\">2<\/a><\/sup> offers a cost-effective solution that slashes lead times from weeks to days. For teams comparing rapid-prototyping suppliers, our <a href=\"https:\/\/zetarmold.com\/ja\/injection-molding-supplier-sourcing-guide\/\">supplier sourcing guide<\/a> explains how to qualify a molding partner before committing to printed tooling.<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design.webp\" alt=\"3D design of plastic injection mold\" class=\"wp-image-51778 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-injection-mold-design-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">3D mold CAD design<\/figcaption><\/figure>\n<p>In this article, we will walk through the complete process of creating 3D printed molds for injection molding\u2014from CAD design to printing, mounting, and running your first shots. We will also share practical lessons from our own tooling floor to help you decide when printed molds make sense and when they do not.<\/p>\n<div class=\"callout-key\" style=\"background:#f0f7ff; border-left:4px solid #2563eb; padding:1em 1.2em; border-radius:6px; margin:1.5em 0;\">\n<strong>\u8981\u70b9<\/strong><\/p>\n<ul>\n<li>3D printed molds cut tooling lead time from weeks to days, ideal for low-volume prototyping<\/li>\n<li>SLA and DLP resins offer the best surface finish and dimensional accuracy for printed molds<\/li>\n<li>Typical 3D printed molds survive 10\u2013100 shots depending on material, geometry, and injection pressure<\/li>\n<li>Always include draft angles (\u22651\u00b0), uniform wall thickness, and proper vent channels in your mold design<\/li>\n<li>For production volumes above a few hundred parts, traditional steel molds are still the better investment<\/li>\n<\/ul>\n<\/div>\n<h2>What Should You Know Before Choosing a 3D Printed Injection Mold?<\/h2>\n<p>A 3D printed injection mold is a fast prototype tool with strict process limits. Before choosing one, verify shot count, draft, part size, resin temperature, injection pressure, and whether the printed insert can survive the expected molding window.<\/p>\n<p><strong>\u30d7\u30ea\u30f3\u30c8\u30e9\u30f3<\/strong> 3D\u30d7\u30ea\u30f3\u30c8\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306f\u3001\u5c11\u91cf\u751f\u7523\u3067\u306f\u8cbb\u7528\u5bfe\u52b9\u679c\u304c\u9ad8\u304f\u52b9\u7387\u7684\u3060\u304c\u3001\u91d1\u5c5e\u91d1\u578b\u306b\u6bd4\u3079\u3066\u69cb\u9020\u7684\u5b8c\u5168\u6027\u304c\u4f4e\u3044\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3060\u3002\u4e00\u822c\u7684\u306b\u3001\u3053\u308c\u3089\u306e\u91d1\u578b\u306f30\uff5e100\u56de\u306e\u751f\u7523\u304c\u53ef\u80fd\u3067\u3001\u30e9\u30d4\u30c3\u30c9\u30d7\u30ed\u30c8\u30bf\u30a4\u30d4\u30f3\u30b0\u306e\u76ee\u7684\u306b\u306f\u7406\u60f3\u7684\u3067\u3059\u3002\u3088\u308a\u5927\u91cf\u306b\u751f\u7523\u3059\u308b\u5834\u5408\u306f\u3001\u5f93\u6765\u306e\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3084\u30b9\u30c1\u30fc\u30eb\u306e\u91d1\u578b\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<p><strong><a href=\"https:\/\/www.hubs.com\/knowledge-base\/draft-angle\/\">\u629c\u304d\u52fe\u914d<\/a><sup id=\"fnref1:3\"><a href=\"#fn:3\" class=\"footnote-ref\">3<\/a><\/sup>:<\/strong> Add practical draft so the molded part releases without tearing the printed cavity or forcing the operator to pry the part out. A common starting point is 1 to 2 degrees per side, with deeper ribs, textured surfaces, or flexible materials often needing more draft after DFM review.<\/p>\n<p><strong>\u30b5\u30a4\u30ba\u3068\u5f62\uff1a<\/strong> Understanding the dimensions of the desired injection molded part is crucial when selecting the appropriate size and shape of the mold. Notably, 3D printed molds differ from CNC machined molds in terms of size, typically being smaller in scale. This size difference impacts the range of injection molded parts that can be produced using 3D printed molds compared to CNC machined counterparts.<\/p>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201c3D printed molds can produce functional injection-molded parts in less than 24 hours from design completion.\u201d<\/b><span class=\"claim-true-or-false\">\u771f<\/span><\/p>\n<p class=\"claim-explanation\">True \u2014 with SLA resin molds and a well-tuned injection machine, you can go from CAD to first shots within a single day. However, mold life is limited to roughly 10\u2013100 cycles depending on geometry and pressure.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201cAny desktop FDM printer can produce production-quality injection molds.\u201d<\/b><span class=\"claim-true-or-false\">\u507d<\/span><\/p>\n<p class=\"claim-explanation\">False \u2014 while FDM is the most affordable option, layer lines and porosity limit mold quality. Resin-based SLA and DLP printers produce significantly smoother, more dimensionally accurate molds suitable for low-volume runs.<\/p>\n<\/div>\n<div class=\"factory-insight\" data-fact-ids=\"company.experience_20_years,facility.in_house_mold_manufacturing,equipment.injection_machines_47,equipment.tonnage_90_1850\" style=\"background:#f0f7ff;border-left:4px solid #0066cc;padding:12px 16px;margin:1.5em 0;\"><strong>\ud83c\udfed ZetarMold Factory Insight<\/strong><br \/>In our Shanghai factory, rapid prototype molds still have to match production constraints: ZetarMold has 20+ years of tooling experience, an in-house mold manufacturing facility, and 47 injection molding machines from 90T to 1850T, so printed inserts are reviewed against real press, material, and mold-maintenance limits before trial molding.<\/div>\n<p><strong>\u5b8c\u74a7\u306b\u5b8c\u6210\u3057\u305f\uff1a<\/strong> 3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u306e\u8868\u9762\u306e\u5b8c\u5168\u6027\u306f\u3001\u9ad8\u3044\u5c04\u51fa\u6210\u5f62\u6e29\u5ea6\u304c\u91d1\u578b\u306e\u6027\u80fd\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u305f\u3081\u3001\u91d1\u5c5e\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u3088\u308a\u3082\u52a3\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u3053\u308c\u3089\u306e\u91d1\u578b\u306f\u3001\u6d17\u7df4\u3055\u308c\u305f\u4ed5\u4e0a\u3052\u304c\u5fc5\u8981\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u306f\u6700\u9069\u306a\u9078\u629e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u307e\u305f\u306f\u30b9\u30c1\u30fc\u30eb\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u512a\u308c\u305f\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n<p>\u3042\u308b\u3044\u306f\u3001\u5370\u5237\u91d1\u578b\u306b\u30bb\u30e9\u30df\u30c3\u30af\u306e\u3088\u3046\u306a\u6750\u6599\u304b\u3089\u306a\u308b\u906e\u853d\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u71b1\u52a3\u5316\u3092\u7de9\u548c\u3057\u3001\u7814\u78e8\u4ed5\u4e0a\u3052\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<h2>How Do You Create a CAD Design for a 3D Printed Mold?<\/h2>\n<p>\u5c04\u51fa\u6210\u5f62\u7528\u306e3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u4f5c\u6210\u3059\u308b\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u652f\u63f4\u8a2d\u8a08\uff08CAD\uff09\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u91d1\u578b\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u3067\u8003\u616e\u3059\u3079\u304d\u8981\u7d20\u306b\u306f\u3001\u90e8\u54c1\u306e\u5f62\u72b6\u3001\u6210\u5f62\u6750\u6599\u3001\u30b2\u30fc\u30c8\u306e\u4f4d\u7f6e\u3001\u51b7\u5374\u30c1\u30e3\u30f3\u30cd\u30eb\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design.webp\" alt=\"3D plastic injection mold design\" class=\"wp-image-51779 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/3d-plastic-injection-mold-design-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Printed mold prototype design<\/figcaption><\/figure>\n<p>3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u4f5c\u6210\u3059\u308b\u969b\u306e\u8a2d\u8a08\u4e0a\u306e\u8ab2\u984c\u3092\u8efd\u6e1b\u3059\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30d2\u30f3\u30c8\u304c\u6709\u52b9\u3067\u3059\u3002\u307e\u305a\u3001\u9069\u5207\u306a\u91d1\u578b\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u5c04\u51fa\u5de5\u7a0b\u3067\u767a\u751f\u3059\u308b\u5727\u529b\u306b\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u3001\u9811\u4e08\u3067\u525b\u6027\u306e\u9ad8\u3044\u7d20\u6750\u3092\u9078\u3076\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u91d1\u578b\u306e\u878d\u70b9\u306f\u5c04\u51fa\u6210\u5f62\u6750\u6599\u306e\u878d\u70b9\u3092\u4e0a\u56de\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p>\u7b2c\u4e8c\u306b\u3001\u91d1\u578b\u88fd\u9020\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u7dbf\u5bc6\u306a\u91d1\u578b\u8a2d\u8a08\u304c\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u91d1\u578b\u306e\u5185\u9762\u306f\u3001\u30d7\u30ea\u30f3\u30c8\u30fb\u30ad\u30e3\u30ea\u30a2\u3068\u63a5\u89e6\u3057\u306a\u3044\u3088\u3046\u306b\u914d\u7f6e\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u91d1\u578b\u8a2d\u8a08\u306b\u901a\u6c17\u5b54\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u5c04\u51fa\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u7a7a\u6c17\u3092\u6392\u9664\u3057\u3001\u591a\u5b54\u8cea\u90e8\u54c1\u306e\u3088\u3046\u306a\u6b20\u9665\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u91d1\u578b\u8a2d\u8a08\u306b\u51b7\u5374\u6d41\u8def\u3092\u7d44\u307f\u8fbc\u3080\u3068\u3001\u51b7\u5374\u6642\u9593\u306e\u77ed\u7e2e\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u90e8\u54c1\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u629c\u304d\u52fe\u914d\u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u3082\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6210\u5f62\u54c1\u306e\u8089\u539a\u3092\u5747\u4e00\u306b\u3057\u3001\u92ed\u5229\u306a\u89d2\u3092\u907f\u3051\u308b\u3053\u3068\u306f\u3001\u7559\u610f\u3059\u3079\u304d\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u5c04\u51fa\u6210\u5f62\u306e\u30d0\u30ea\u3082\u91cd\u8981\u306a\u691c\u8a0e\u4e8b\u9805\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u62bc\u51fa\u30c0\u30a4\u306e\u30d1\u30fc\u30c6\u30a3\u30f3\u30b0\u30e9\u30a4\u30f3\u304b\u3089\u4f59\u5206\u306a\u6750\u6599\u304c\u62bc\u3057\u51fa\u3055\u308c\u308b\u3053\u3068\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u30d0\u30ea\u3092\u306a\u304f\u3059\u306b\u306f\u3001\u91d1\u578b\u8a2d\u8a08\u306b\u30e9\u30f3\u30ca\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u542b\u3081\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u578b\u7de0\u529b\u306e\u5897\u52a0\u3084\u5c04\u51fa\u5727\u529b\u306e\u4f4e\u6e1b\u306a\u3069\u3001\u8a2d\u8a08\u5f8c\u306e\u8abf\u6574\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>How to Design a 3D Printed Mold for Injection Molding?<\/h2>\n<p>A good 3D printed mold design is a supported insert built around draft, venting, gate strength, and controlled ejection. Start with material strength, parting-line support, wall thickness, and a rigid frame so the cheaper tool still produces useful trial data.<\/p>\n<p>3D\u30d7\u30ea\u30f3\u30c8\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306e\u88fd\u9020\u306b\u306f\u3001PETG\u3001ABS\u3001\u30ca\u30a4\u30ed\u30f3\u3001PP\u3001\u30a2\u30bb\u30bf\u30fc\u30eb\u306a\u3069\u6570\u591a\u304f\u306e\u6750\u6599\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u30023D\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\u306e\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e2\u70b9\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a<\/p>\n<p><strong>\u5f37\u3055\u3068\u525b\u6027\uff1a <\/strong>3D\u30d7\u30ea\u30f3\u30c8\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306b\u9069\u3057\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30dd\u30ea\u30de\u30fc\u306f\u3001\u30d7\u30ea\u30f3\u30c8\u5f8c\u306b\u5f37\u5ea6\u3068\u525b\u6027\u3092\u793a\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u6027\u8cea\u306f\u3001\u5c04\u51fa\u5de5\u7a0b\u3067\u767a\u751f\u3059\u308b\u5fdc\u529b\u306b\u91d1\u578b\u304c\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram.webp\" alt=\"Injection mold lifter and ejector stroke diagram\" class=\"wp-image-51673 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/injection-mold-lifter-diagram-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Mold lifter stroke diagram<\/figcaption><\/figure>\n<p><strong>\u6e29\u5ea6\u8010\u6027\uff1a<\/strong> As injection molding operates at elevated temperatures to facilitate optimal flow of molten plastic, it is imperative that the plastic material chosen for mold creation possesses a melting point higher than that of the injection molding material.<\/p>\n<p><strong>\u91d1\u578b\u306e\u30c7\u30b6\u30a4\u30f3\uff1a<\/strong> \u5f8c\u52a0\u5de5\u3084\u30b5\u30a4\u30ba\u5909\u66f4\u306e\u305f\u3081\u306b\u3001\u91d1\u578b\u306b\u6a5f\u68b0\u52a0\u5de5\u306e\u8a31\u5bb9\u8aa4\u5dee\u3092\u8003\u616e\u3057\u3001\u5bf8\u6cd5\u7cbe\u5ea6\u306e\u5411\u4e0a\u306b\u52aa\u3081\u308b\u3002\u5bf8\u6cd5\u306e\u4e0d\u4e00\u81f4\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u4e00\u9023\u306e\u91d1\u578b\u3092\u4f5c\u6210\u3057\u3001\u3053\u308c\u3089\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u91d1\u578b\u306eCAD\u30e2\u30c7\u30eb\u306b\u7d44\u307f\u8fbc\u3080\u3002<\/p>\n<p>\u30b2\u30fc\u30c8\u3092\u958b\u3044\u3066\u91d1\u578b\u30ad\u30e3\u30d3\u30c6\u30a3\u5185\u306e\u5727\u529b\u3092\u7de9\u548c\u3057\u3001\u91d1\u578b\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3057\u307e\u3059\u3002\u30b9\u30bf\u30c3\u30af\u30e2\u30fc\u30eb\u30c9\u306e\u7247\u5074\u3092\u5e73\u3089\u306b\u3057\u3001\u3082\u3046\u7247\u5074\u3092\u8a2d\u8a08\u90e8\u54c1\u306e\u4fdd\u6301\u306b\u5229\u7528\u3059\u308b\u3002\u3053\u306e\u6226\u7565\u306f\u3001\u91d1\u578b\u30d6\u30ed\u30c3\u30af\u306e\u30ba\u30ec\u3084\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u53ef\u80fd\u6027\u3092\u8efd\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u52b9\u7387\u7684\u306a\u6392\u6c17\u306e\u305f\u3081\u306b\u3001\u91d1\u578b\u30ad\u30e3\u30d3\u30c6\u30a3\u306e\u7aef\u304b\u3089\u91d1\u578b\u306e\u7aef\u307e\u3067\u3001\u5927\u304d\u306a\u30d9\u30f3\u30c8\u30db\u30fc\u30eb\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u91d1\u578b\u5185\u3078\u306e\u6750\u6599\u306e\u6d41\u308c\u3092\u52a9\u3051\u3001\u5727\u529b\u3092\u4e0b\u3052\u3001\u30b2\u30fc\u30c8\u90e8\u306e\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3092\u9632\u304e\u3001\u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002\u539a\u3055\u304c1\uff5e2mm\u672a\u6e80\u306e\u8868\u9762\u306f\u71b1\u306b\u3088\u308b\u5909\u5f62\u3092\u53d7\u3051\u3084\u3059\u3044\u305f\u3081\u3001\u904e\u5ea6\u306b\u8584\u3044\u65ad\u9762\u306f\u907f\u3051\u308b\u3002<\/p>\n<p>\u30e2\u30fc\u30eb\u30c9\u30d0\u30c3\u30af\u3092\u8abf\u6574\u3057\u3066\u6750\u6599\u306e\u4f7f\u7528\u91cf\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u3067\u3001\u5370\u5237\u30d7\u30ed\u30bb\u30b9\u3092\u6d17\u7df4\u3055\u305b\u307e\u3059\u3002\u91d1\u578b\u30ad\u30e3\u30d3\u30c6\u30a3\u4ee5\u5916\u306e\u30b5\u30dd\u30fc\u30c8\u30a8\u30ea\u30a2\u306e\u65ad\u9762\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u3066\u3001\u6a39\u8102\u8cbb\u3092\u524a\u6e1b\u3057\u3001\u5370\u5237\u6b20\u9665\u3084\u5909\u5f62\u306e\u53ef\u80fd\u6027\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002\u9762\u53d6\u308a\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u9020\u5f62\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u306e\u30ef\u30fc\u30af\u30d4\u30fc\u30b9\u306e\u53d6\u308a\u5916\u3057\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u30022\u3064\u306e\u30d7\u30ea\u30f3\u30c8\u3092\u52b9\u679c\u7684\u306b\u4f4d\u7f6e\u5408\u308f\u305b\u3059\u308b\u305f\u3081\u306b\u3001\u30b3\u30fc\u30ca\u30fc\u306b\u30bb\u30f3\u30bf\u30ea\u30f3\u30b0\u30d4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<p><strong>\u5185\u5074\u306e\u9854\u306e\u5411\u304d\uff1a<\/strong> \u5185\u5074\u306e\u91d1\u578b\u9762\u3092\u30b5\u30dd\u30fc\u30c8\u3068\u306e\u63a5\u89e6\u3092\u907f\u3051\u308b\u3088\u3046\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30dd\u30fc\u30c8\u306e\u8de1\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3001\u307e\u305f\u306f\u306a\u304f\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u5370\u5237\u9762\u306e\u54c1\u8cea\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u65b9\u5411\u306f\u5f8c\u51e6\u7406\u306e\u5fc5\u8981\u6027\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u6d45\u3044\u901a\u6c17\u53e3\uff1a <\/strong>\u91d1\u578b\u8a2d\u8a08\u306b\u30d9\u30f3\u30c8\u3092\u7d44\u307f\u8fbc\u3080\u3068\u3001\u5c04\u51fa\u6210\u5f62\u5de5\u7a0b\u3067\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u7a7a\u6c17\u306e\u9664\u53bb\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u63a8\u5968\u3055\u308c\u308b\u7d040.05 mm\u306e\u6d45\u3044\u30d9\u30f3\u30c8\u306f\u3001\u5c04\u51fa\u30d0\u30ea\u306a\u3069\u306e\u6b20\u9665\u306e\u53ef\u80fd\u6027\u3092\u4f4e\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><strong>\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u6d3b\u7528\u3059\u308b\uff1a<\/strong> 20\u56de\u4ee5\u4e0a\u306e\u6210\u5f62\u3092\u76ee\u7684\u3068\u3057\u305f\u91d1\u578b\u306b\u306f\u3001\u91d1\u578b\u8a2d\u8a08\u306b\u6e9d\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u91d1\u5c5e\u68d2\u3084\u30c1\u30e5\u30fc\u30d6\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u3001\u53cd\u308a\u306a\u3069\u306e\u5c04\u51fa\u6210\u5f62\u4e0d\u826f\u3092\u52b9\u679c\u7684\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6e9d\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u6642\u9593\u306e\u77ed\u7e2e\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance.webp\" alt=\"Injection Molding Product vs CNC machining tolerance\" class=\"wp-image-52399 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/im-vs-cnc-tolerance-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Tolerance comparison chart<\/figcaption><\/figure>\n<p><strong>\u30ec\u30a4\u30e4\u30fc\u306e\u9ad8\u3055\uff1a <\/strong> \u3088\u308a\u4f4e\u3044\u5c64\u9ad8\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u5370\u5237\u3055\u308c\u305f\u91d1\u578b\u306e\u5e73\u6ed1\u6027\u304c\u5411\u4e0a\u3057\u3001\u5370\u5237\u3055\u308c\u305f\u7dda\u306e\u8996\u8a8d\u6027\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u308b\u3002<\/p>\n<p><strong>\u30d1\u30fc\u30c4\u30c7\u30b6\u30a4\u30f3\uff1a<\/strong> \u5c04\u51fa\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u306e\u54c1\u8cea\u306f\u3001\u4f7f\u7528\u3059\u308b3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u629c\u304d\u52fe\u914d\u3092\u53d6\u308a\u5165\u308c\u308b\u306a\u3069\u3001\u5370\u5237\u88fd\u54c1\u306e\u6210\u529f\u3068\u52b9\u7387\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u90e8\u54c1\u8a2d\u8a08\u6bb5\u968e\u3067\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a8\u5968\u3055\u308c\u308b\u629c\u304d\u52fe\u914d20\u306f\u3001\u30d7\u30ea\u30f3\u30c8\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u304b\u3089\u306e\u5c04\u51fa\u6210\u5f62\u54c1\u306e\u53d6\u308a\u5916\u3057\u3092\u7c21\u5358\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u7d20\u6750\u306e\u9078\u629e\uff1a<\/strong> 3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u306e\u7d20\u6750\u9078\u3073\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u53cd\u3063\u305f\u308a\u6eb6\u3051\u305f\u308a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u5c04\u51fa\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u306b\u4f34\u3046\u9ad8\u6e29\u3068\u9ad8\u5727\u306b\u8010\u3048\u3089\u308c\u308b\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30ca\u30a4\u30ed\u30f3\u3001ABS\u3001\u30dd\u30ea\u30ab\u30fc\u30dc\u30cd\u30fc\u30c8\u306a\u3069\u306e\u7d20\u6750\u306f\u30013D\u30d7\u30ea\u30f3\u30c8\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306b\u3088\u304f\u63a1\u7528\u3055\u308c\u308b\u3002<\/p>\n<p><strong>\u5747\u4e00\u306a\u8089\u539a\uff1a<\/strong> \u5c04\u51fa\u6210\u5f62\u90e8\u54c1\u306f\u3001\u5c04\u51fa\u4e2d\u3084\u5c04\u51fa\u5f8c\u306e\u53cd\u308a\u306a\u3069\u306e\u6b20\u9665\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u3001\u4e00\u5b9a\u306e\u8089\u539a\u304c\u5fc5\u8981\u3067\u3059\u3002\u8584\u8089\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u8584\u3044\u30ea\u30d6\u3084\u30ac\u30bb\u30c3\u30c8\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u58c1\u306e\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201cPrinted molds need production-style DFM checks.\u201d<\/b><span class=\"claim-true-or-false\">\u771f<\/span><\/p>\n<p class=\"claim-explanation\">This is true because wall thickness, radii, draft, venting, and gate support determine whether a low-cost printed insert generates useful molding data or only a failed trial.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201cRelease agent cannot fix a weak mold design.\u201d<\/b><span class=\"claim-true-or-false\">\u507d<\/span><\/p>\n<p class=\"claim-explanation\">This is false because release compound helps demolding, but it cannot correct poor parting-line fit, inadequate draft, weak cavity walls, or a printed insert that deforms under injection pressure.<\/p>\n<\/div>\n<p><strong>\u92ed\u3044\u89d2\u306f\u907f\u3051\u308b\uff1a<\/strong> \u92ed\u89d2\u306a\u89d2\u3092\u306a\u304f\u3059\u305f\u3081\u306b\u3001\u91d1\u578b\u306e\u7e01\u306bR\u3092\u3064\u3051\u307e\u3057\u305f\u3002\u3053\u306e\u8abf\u6574\u306f\u3001\u6eb6\u878d\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u6d41\u308c\u3092\u4fc3\u9032\u3057\u3001\u5c04\u51fa\u6210\u5f62\u306e\u6b20\u9665\u306e\u767a\u751f\u3092\u4f4e\u6e1b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><strong>\u30d5\u30e9\u30c3\u30b7\u30e5\u3092\u9632\u3050\uff1a<\/strong> \u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u5c04\u51fa\u6210\u5f62\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u554f\u984c\u3067\u3001\u5c04\u51fa\u5de5\u7a0b\u4e2d\u306b\u6eb6\u878d\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u304c\u91d1\u578b\u304b\u3089\u629c\u3051\u51fa\u3057\u56fa\u5316\u3057\u3066\u3057\u307e\u3046\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u6b20\u9665\u306f\u3001\u91d1\u578b\u534a\u4f53\u9593\u306e\u9069\u5408\u4e0d\u826f\u3001\u904e\u5270\u306a\u5c04\u51fa\u5727\u529b\u3001\u307e\u305f\u306f\u91d1\u578b\u306e\u904e\u5145\u586b\u306b\u3088\u3063\u3066\u751f\u3058\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30f3\u30ca\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u91d1\u578b\u8a2d\u8a08\u306b\u7d44\u307f\u8fbc\u307f\u3001\u90e8\u54c1\u30e9\u30a4\u30f3\u306e\u516c\u5dee\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u30013D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u304b\u3089\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u65b9\u6cd5\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u578b\u7de0\u529b\u306e\u5897\u52a0\u3084\u5c04\u51fa\u5727\u529b\u306e\u4f4e\u6e1b\u306a\u3069\u3001\u8a2d\u8a08\u5f8c\u306e\u8abf\u6574\u3092\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u90e8\u54c1\u3092\u53d6\u308a\u5916\u3059\u306b\u306f\u3001\u96e2\u578b\u5264\u3092\u4f7f\u7528\u3059\u308b\uff1a<\/strong> \u96e2\u578b\u5264\u306f\u3001\u5c04\u51fa\u6210\u5f62\u3055\u308c\u305f\u90e8\u54c1\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u53d6\u308a\u5916\u3057\u3092\u52a9\u3051\u308b\u305f\u3081\u306b\u3001\u96e2\u578b\u5de5\u7a0b\u3067\u5c0e\u5165\u3055\u308c\u308b\u3002\u96e2\u578b\u5264\u304c\u306a\u3044\u3068\u3001\u90e8\u54c1\u304c\u91d1\u578b\u306b\u306f\u307e\u308a\u8fbc\u3093\u3067\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u90e8\u54c1\u3092\u53d6\u308a\u5916\u3059\u306e\u306b\u904e\u5ea6\u306e\u529b\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u90e8\u54c1\u3084\u91d1\u578b\u306b\u640d\u50b7\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30c6\u30b9\u30c8\u3068\u691c\u8a3c\uff1a <\/strong>3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u5c04\u51fa\u6210\u5f62\u306b\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u305d\u306e\u6027\u80fd\u3092\u30c6\u30b9\u30c8\u3057\u3066\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c6\u30b9\u30c8\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u91d1\u578b\u8a2d\u8a08\u3084\u6750\u6599\u9078\u629e\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001\u90e8\u54c1\u306e\u751f\u7523\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u5fc5\u8981\u306a\u8abf\u6574\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>How Do You Export CAD Design Files for 3D Printing?<\/h2>\n<p>CAD export is the step that turns the final mold geometry into a printable STL or 3MF file. Check units, mesh quality, wall thickness, orientation, and tolerance before slicing so the printed insert is accurate enough for molding trials.<\/p>\n<h2>What 3D Printing Technologies Work Best for Injection Molds?<\/h2>\n<p>STL\u30d5\u30a1\u30a4\u30eb\u304c\u6e96\u5099\u3055\u308c\u308b\u3068\u30013D\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u3092\u88fd\u9020\u3067\u304d\u307e\u3059\u3002\u91d1\u578b\u306f\u3001\u6eb6\u878d\u7a4d\u5c64\u9020\u5f62\u6cd5\uff08FDM\uff09\u3001\u30b9\u30c6\u30ec\u30aa\u30ea\u30bd\u30b0\u30e9\u30d5\u30a3\u30fc\u6cd5\uff08SLA\uff09\u3001\u9078\u629e\u7684\u30ec\u30fc\u30b6\u30fc\u713c\u7d50\u6cd5\uff08SLS\uff09\u3001\u30c7\u30b8\u30bf\u30eb\u5149\u9020\u5f62\u6cd5\uff08DLP\uff09\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a3D\u30d7\u30ea\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u3067\u4f5c\u6210\u3067\u304d\u307e\u3059\u30023D\u30d7\u30ea\u30f3\u30bf\u30fc\u3068\u5370\u5237\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u91d1\u578b\u306e\u8907\u96d1\u3055\u3084\u91d1\u578b\u306e\u5bff\u547d\u306a\u3069\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>FDM\u306f\u901a\u5e38\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\u3068\u30c4\u30fc\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306e\u6700\u3082\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u30443D\u30d7\u30ea\u30f3\u30c8\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3068\u306f\u3044\u3048\u3001\u6700\u7d42\u7684\u306a\u91d1\u578b\u306b\u306f\u76ee\u306b\u898b\u3048\u308b\u5c64\u7dda\u304c\u898b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u3053\u308c\u3092\u9664\u53bb\u3059\u308b\u305f\u3081\u306b\u30b5\u30f3\u30c7\u30a3\u30f3\u30b0\u3084\u5316\u5b66\u4ed5\u4e0a\u3052\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>SLA\u3084DLP\u306e\u3088\u3046\u306a\u6a39\u8102\u30d9\u30fc\u30b9\u306e3D\u30d7\u30ea\u30f3\u30c8\u6280\u8853\u306f\u3001\u3088\u308a\u6ed1\u3089\u304b\u306a\u8868\u9762\u4ed5\u4e0a\u3052\u306e\u91d1\u578b\u304c\u5f97\u3089\u308c\u308b\u305f\u3081\u3001\u5927\u898f\u6a21\u306a\u5f8c\u51e6\u7406\u306e\u5fc5\u8981\u6027\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u4eba\u6c17\u306e\u3042\u308b\u9078\u629e\u80a2\u3067\u3059\u3002\u3082\u30461\u3064\u306e\u6a39\u8102\u30d9\u30fc\u30b9\u306e3D\u30d7\u30ea\u30f3\u30c8\u624b\u6cd5\u3067\u3042\u308b\u30de\u30c6\u30ea\u30a2\u30eb\u30fb\u30b8\u30a7\u30c3\u30c8\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7d20\u6750\u3084\u8272\u3092\u4f7f\u7528\u3057\u3066\u3001\u512a\u308c\u305f\u8868\u9762\u4ed5\u4e0a\u3052\u306e\u91d1\u578b\u3092\u88fd\u4f5c\u3067\u304d\u307e\u3059\u3002SLS\u306f\u91d1\u578b\u88fd\u9020\u306b\u5f37\u5316\u30ca\u30a4\u30ed\u30f3\u3092\u4f7f\u7528\u3057\u3001\u5f37\u5ea6\u3068\u9ad8\u3044\u8868\u9762\u54c1\u8cea\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201cFor prototyping under 100 parts, 3D printed molds can be 90% cheaper and 80% faster than traditional steel tooling.\u201d<\/b><span class=\"claim-true-or-false\">\u771f<\/span><\/p>\n<p class=\"claim-explanation\">True \u2014 a printed mold might cost $50\u2013$200 and take 1\u20132 days, while a steel mold for the same geometry could cost $5,000\u2013$20,000 and take 4\u20138 weeks. The trade-off is durability and part consistency.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201c3D printed molds can withstand the same injection pressures as aluminum or steel molds.\u201d<\/b><span class=\"claim-true-or-false\">\u507d<\/span><\/p>\n<p class=\"claim-explanation\">False \u2014 3D printed molds typically handle 200\u2013500 bar, whereas production steel molds can endure 1,000+ bar. You must reduce injection pressure and speed when using printed tooling.<\/p>\n<\/div>\n<h2>What Are the Standard Configurations for 3D Printed Molds?<\/h2>\n<p>The standard configurations for 3d printed molds are the main categories or options explained in this section. 3D printing molds for injection molding mainly have the following two standard configurations.<\/p>\n<p><strong>3D\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0\u91d1\u578b<\/strong><br \/>\u3053\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u306f\u3001\u5168\u4f53\u304c\u5370\u5237\u3055\u308c\u308b\u305f\u3081\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306e\u30b5\u30dd\u30fc\u30c8\u30d5\u30ec\u30fc\u30e0\u306f\u5fc5\u8981\u306a\u3044\u3002\u305d\u306e\u7d50\u679c\u3001\u91d1\u578b\u306f\u3088\u308a\u591a\u304f\u306e\u5370\u5237\u6750\u6599\u3092\u5fc5\u8981\u3068\u3057\u3001\u5370\u5237\u30b3\u30b9\u30c8\u3068\u6642\u9593\u306e\u4e21\u65b9\u304c\u5897\u5927\u3059\u308b\u3002\u3068\u306f\u3044\u3048\u3001\u30d5\u30ec\u30fc\u30e0\u304c\u306a\u3044\u305f\u3081\u3001\u591a\u7528\u3059\u308b\u3068\u53cd\u308a\u306a\u3069\u306e\u4e0d\u5177\u5408\u304c\u751f\u3058\u3084\u3059\u3044\u3002<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display.webp\" alt=\"Prototype injection mold and parts display\" class=\"wp-image-51685 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/12\/plastic-injection-mold-parts-display-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Prototype mold and sample parts<\/figcaption><\/figure>\n<p><strong>\u91d1\u578b\u3092\u91d1\u5c5e\u30d5\u30ec\u30fc\u30e0\u306b\u53d6\u308a\u4ed8\u3051\u308b<\/strong><\/p>\n<p>3D\u30d7\u30ea\u30f3\u30c8\u3055\u308c\u305f\u91d1\u578b\u304c\u5b8c\u6210\u3057\u305f\u3089\u3001\u5c04\u51fa\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u3067\u91d1\u578b\u3092\u56fa\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u91d1\u5c5e\u88fd\u306e\u30d5\u30ec\u30fc\u30e0\uff08\u30e2\u30fc\u30eb\u30c9\u30d9\u30fc\u30b9\uff09\u306b\u53d6\u308a\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u30e2\u30fc\u30eb\u30c9\u30d9\u30fc\u30b9\u306b\u306f\u30b9\u30d7\u30eb\u30fc\u30d6\u30c3\u30b7\u30e5\u304c\u542b\u307e\u308c\u3001\u6eb6\u878d\u3057\u305f\u6750\u6599\u304c\u91d1\u578b\u306b\u6ce8\u5165\u3055\u308c\u308b\u3002<\/p>\n<p>The configuration of the mold determines how it is mounted to the frame. There are two standard configurations of injection molds for 3D printing. The first configuration inserts the printed mold into an aluminum frame, providing stability, accuracy, and support to the mold. This configuration is more suitable for producing precise injection molded parts, helps prevent molding defects such as warping, maintains the integrity of the mold, and ensures consistent pressure distribution during the injection molding process.<\/p>\n<p>2\u3064\u76ee\u306e\u69cb\u6210\u306f\u3001\u30a2\u30eb\u30df\u30d5\u30ec\u30fc\u30e0\u306a\u3057\u3067\u5b8c\u5168\u306b3D\u30d7\u30ea\u30f3\u30c8\u3055\u308c\u305f\u91d1\u578b\u3067\u3042\u308b\u3002\u3053\u306e\u5834\u5408\u3001\u30d5\u30ec\u30fc\u30e0\u306f\u4e0d\u8981\u306b\u306a\u308b\u304c\u3001\u5370\u5237\u6750\u6599\u304c\u5897\u3048\u308b\u305f\u3081\u3001\u5370\u5237\u30b3\u30b9\u30c8\u3068\u6642\u9593\u304c\u5897\u52a0\u3059\u308b\u3002\u307e\u305f\u3001\u3053\u306e\u69cb\u6210\u3067\u4f5c\u6210\u3055\u308c\u305f\u91d1\u578b\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u53cd\u308a\u306a\u3069\u306e\u6b20\u9665\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308b\u3002<\/p>\n<h2>How Do You Start the Injection Molding Process with a 3D Printed Mold?<\/h2>\n<div class=\"factory-insight\" data-fact-ids=\"equipment.injection_machines_47,location.shanghai_factory,team.senior_engineers_8\" style=\"background:#f0f7ff;border-left:4px solid #0066cc;padding:12px 16px;margin:1.5em 0;\"><strong>\ud83c\udfed ZetarMold Factory Insight<\/strong><br \/>Starting a printed-mold injection trial is a controlled setup process, not a normal production launch. In our Shanghai factory, we run 47 injection molding machines from 90T to 1850T; our engineers review printed inserts against press tonnage, resin temperature, and mold support, and we found that conservative startup shots make prototype tooling data more reliable.<\/div>\n<p>The startup process is a controlled first-shot sequence for proving the printed insert safely. We mount the printed insert in a rigid frame, verify shutoff contact, confirm the sprue and gate path, and run conservative first shots before increasing pressure. In our factory trials, this staged startup helps separate mold-design problems from process-setting problems.<\/p>\n<h2>What Post-Processing Is Required for 3D Printed Molds?<\/h2>\n<p>Post-processing is required to make a printed mold smooth, clean, dimensionally usable, and easier to release. This can include sanding to remove layer lines, assembling multiple prints, cleaning supports, checking critical dimensions, and applying a release aid or surface treatment before injection molding trials.<\/p>\n<p><strong>\u30b5\u30f3\u30c7\u30a3\u30f3\u30b0\uff1a<\/strong> \u30b5\u30f3\u30c7\u30a3\u30f3\u30b0\u306f\u30013D\u30d7\u30ea\u30f3\u30c8\u30e2\u30c7\u30eb\u306e\u8868\u9762\u306e\u30ec\u30a4\u30e4\u30fc\u7dda\u3092\u306a\u304f\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6700\u521d\u306f\u76ee\u306e\u7c97\u3044\u30b5\u30f3\u30c9\u30da\u30fc\u30d1\u30fc\u3092\u4f7f\u3044\u3001\u5f90\u3005\u306b\u76ee\u306e\u7d30\u304b\u3044\u30b5\u30f3\u30c9\u30da\u30fc\u30d1\u30fc\u306b\u5909\u3048\u3066\u3044\u304d\u307e\u3059\u3002\u904e\u5ea6\u306e\u6469\u64e6\u3084\u71b1\u3067\u8868\u9762\u304c\u6eb6\u3051\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u540c\u3058\u5834\u6240\u3092\u9577\u6642\u9593\u30b5\u30f3\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u306e\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u306b\u3001\u5f8c\u3067\u63a5\u7740\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u7d99\u304e\u76ee\u306e\u5468\u308a\u3092\u30b5\u30f3\u30c9\u30da\u30fc\u30d1\u30fc\u3067\u524a\u308a\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design.webp\" alt=\"3D model of plastic injection mold assembly\" class=\"wp-image-53430 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/3d-plastic-injection-mold-design-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Printed mold assembly<\/figcaption><\/figure>\n<p><strong>\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0\uff1a<\/strong> \u63a5\u7740\u3059\u308b\u969b\u306f\u30012\u3064\u306e\u9762\u3092\u8f2a\u30b4\u30e0\u3067\u7e1b\u308b\u3088\u3046\u306b\u3001\u63a5\u7740\u5264\u3092\u70b9\u3005\u3068\u5857\u5e03\u3057\u3066\u5bc6\u7740\u3055\u305b\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3059\u308b\u3002\u7d99\u304e\u76ee\u304c\u7c97\u3044\u5834\u5408\u3084\u9699\u9593\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30dc\u30f3\u30c9\u306e\u63a5\u7740\u5264\u3084\u30d5\u30a3\u30e9\u30fc\u3092\u4f7f\u3046\u3068\u3001\u3088\u308a\u6ed1\u3089\u304b\u306b\u4ed5\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<p><strong>\u30ab\u30e9\u30fc\u30ea\u30f3\u30b0\u3060\uff1a<\/strong> \u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u98a8\u901a\u3057\u304c\u3088\u304f\u3001\u307b\u3053\u308a\u306e\u306a\u3044\u5834\u6240\u3067\u884c\u3046\u3088\u3046\u306b\u3057\u3001\u3059\u3079\u3066\u306e\u9762\u306b\u5747\u7b49\u306b\u8272\u304c\u3064\u304f\u3088\u3046\u306b\u3059\u308b\u3002\u30b9\u30d7\u30ec\u30fc\u3059\u308b\u3068\u304d\u306f\u3001\u8155\u306e\u9577\u3055\u306e\u8ddd\u96e2\u3092\u4fdd\u3061\u306a\u304c\u3089\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u540a\u308b\u3059\u3002\u30bd\u30d5\u30c8\u30b0\u30eb\u30fc3D\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0\u30e2\u30c7\u30eb\u3092\u5857\u88c5\u3057\u305f\u5f8c\u30011\uff5e2\u65e5\u4e7e\u71e5\u3055\u305b\u3066\u304b\u3089\u78e8\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u30b9\u30af\u30ea\u30e5\u30fc\u30b9\u30ed\u30c3\u30c8\u306e\u53d6\u308a\u4ed8\u3051\uff1a<\/strong> \u30b9\u30af\u30ea\u30e5\u30fc\u30b9\u30ed\u30c3\u30c8\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u30013D\u30d7\u30ea\u30f3\u30c8\u30b7\u30a7\u30eb\u306e\u8010\u7528\u5e74\u6570\u3092\u5ef6\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u30d5\u30a3\u30c3\u30c8\u3055\u305b\u308b\u305f\u3081\u3001\u30e2\u30c7\u30eb\u306e\u7a74\u306f\u30cd\u30b8\u6e9d\u3088\u308a\u5c11\u3057\u5c0f\u3055\u3081\u306b\u3057\u307e\u3059\u3002\u7a74\u306e\u5909\u5f62\u3092\u9632\u3050\u305f\u3081\u3001\u5b89\u5b9a\u6027\u306e\u305f\u3081\u306b\u30e2\u30c7\u30eb\u3092\u56fa\u5b9a\u3057\u3001\u9ad8\u901f\u307e\u305f\u306f\u5f37\u5f15\u306a\u64cd\u4f5c\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u30b7\u30ea\u30b3\u30f3\u578b\u53cd\u8ee2\uff1a<\/strong> \u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u30013D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u30dc\u30c3\u30af\u30b9\u3001\u30b7\u30ea\u30b3\u30f3\u3001\u6a39\u8102\u3001\u8a08\u91cf\u30ab\u30c3\u30d7\u3001\u305d\u306e\u4ed6\u306e\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002\u91d1\u578b\u306e\u4f53\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u307e\u305a3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u30dc\u30c3\u30af\u30b9\u306b\u6c34\u3092\u5165\u308c\u3001\u6b21\u306b\u8a08\u91cf\u30ab\u30c3\u30d7\u306b\u6c34\u3092\u6ce8\u304e\u307e\u3059\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u30a2\u30bb\u30f3\u30d6\u30ea\u306e3D\u30e2\u30c7\u30eb<\/h3>\n<p>A 3D printed mold can produce a small validation run or a limited production batch, but the realistic shot count depends on resin temperature, cavity thickness, gate stress, clamping pressure, and cooling time. Some printed inserts only survive a few dozen shots, while well-supported SLA or high-temperature resin molds may run hundreds of cycles. Treat the number as an engineering estimate, not a guarantee, and inspect the cavity, gates, vents, and part dimensions during the trial. Record each shot count and failure mode carefully.<\/p>\n<h3>What is the best 3D printing technology for injection molds?<\/h3>\n<p>SLA is usually the most practical starting point for 3D printed injection molds because it can produce smoother cavity surfaces and tighter details than many low-cost FDM setups. DLP and material jetting can also work when dimensional accuracy and surface finish are controlled. FDM is useful for fit checks or very rough trials, but layer lines, porosity, and lower heat resistance often create flash, poor surface quality, or early insert failure during actual injection molding. Match the technology to resin and pressure.<\/p>\n<h3>Can you use a 3D printed mold for production manufacturing?<\/h3>\n<p>A 3D printed mold can support production only when the volume, resin, tolerance, and surface requirements are modest. It is best used for prototype validation, bridge production, and low-volume trials where speed matters more than long tool life. For high-volume programs, abrasive materials, tight tolerances, or cosmetic surfaces, aluminum or steel tooling is still the safer production path because it holds dimensions, cooling performance, and clamping pressure more consistently over many cycles. Use printed tooling to learn before scaling, then lock the production mold specification.<\/p>\n<h3>What materials can be injection molded using 3D printed molds?<\/h3>\n<p>Lower-temperature thermoplastics are the safest candidates for 3D printed molds. PP, PE, TPE, and selected ABS or nylon grades can be tested when melt temperature, injection pressure, and cycle count stay within the printed insert limits. High-temperature engineering resins, glass-filled compounds, and abrasive materials are much riskier because they can soften, crack, or wear the printed cavity quickly. Always confirm the material data sheet, mold temperature, and expected shot count before committing to printed tooling. Start with conservative processing windows.<\/p>\n<h3>How much does a 3D printed injection mold cost?<\/h3>\n<p>The cost of a 3D printed injection mold is usually far lower than a CNC-machined production mold, but the exact range depends on insert size, resin type, surface finishing, validation work, and whether a support mold base is required. A simple printed insert can be inexpensive for design validation, while a more durable prototype tool with polishing, assembly, and trial molding costs more. The right comparison is total learning cost: how quickly the mold proves geometry, gating, shrinkage, and part function before production investment.<\/p>\n<h3>Do 3D printed molds need post-processing before use?<\/h3>\n<p>Yes. Most 3D printed molds need post-processing before injection molding trials. Typical work includes removing supports, cleaning uncured resin, sanding layer marks, checking cavity dimensions, adding vents if needed, and sometimes applying a coating to improve release or reduce porosity. The mold should also be assembled into a rigid support frame so clamping force does not crack the insert. Good post-processing improves surface finish, reduces flash risk, and makes trial data more reliable. Inspect the insert again after the first shots.<\/p>\n<h2>When Should You Choose 3D Printed Molds Over Traditional Tooling?<\/h2>\n<p>3D printed molds are best when speed, learning, and low-volume validation matter more than long production life. They are useful for prototype trials, bridge tooling, and simple or moderately complex parts where the resin, pressure, tolerance, and surface requirements stay within printed-insert limits.<\/p>\n<p>\u8981\u3059\u308b\u306b\u3001\u5c04\u51fa\u6210\u5f62\u7528\u306e3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u4f5c\u6210\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u69cb\u9020\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u5f93\u3063\u3066\u3044\u308b\u3002CAD\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u3063\u3066\u91d1\u578b\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308a\u3001\u9ad8\u54c1\u8cea\u306e\u30d7\u30ea\u30f3\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u30d7\u30ea\u30f3\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5fae\u8abf\u6574\u3059\u308b\u3002\u91d1\u578b\u306e\u8868\u9762\u3092\u3088\u308a\u7f8e\u3057\u304f\u4ed5\u4e0a\u3052\u308b\u305f\u3081\u306b\u3001\u7814\u524a\u3084\u7814\u78e8\u306a\u3069\u306e\u5f8c\u51e6\u7406\u5de5\u7a0b\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3002<\/p>\n<p>Incorporating essential components, like plug-ins, and conducting comprehensive testing ensure functionality and precision. Once validated, the mold is primed for injection molding production, facilitating the rapid prototyping and manufacturing of plastic parts with intricate designs.<\/p>\n<p>Need a quote for your injection molding project?<\/p>\n<p>Get competitive pricing, DFM feedback, and production timeline from ZetarMold\u2019s engineering team.<\/p>\n<p>Request a Free Quote \u2192 See our <a href=\"https:\/\/zetarmold.com\/ja\/injection-molding-complete-guide\/\">Injection Molding Complete Guide<\/a> for a comprehensive overview.<\/p>\n<hr style=\"margin:2em 0;border:none;border-top:1px solid #e0e0e0;\" \/>\n<ol class=\"footnotes\">\n<li id=\"fn:1\">\n<p><strong>prototype tooling:<\/strong> Prototype tooling is an early mold or insert used to test part design, material behavior, and process risk before production tooling. <a href=\"#fnref1:1\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:2\">\n<p><strong>3D printing:<\/strong> 3D printing is a layer-by-layer manufacturing method used to build prototype mold inserts from digital geometry. <a href=\"#fnref1:2\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:3\">\n<p><strong>draft angle:<\/strong> Draft angle refers to the taper added to molded part walls so the part can release from the mold without damage. <a href=\"#fnref1:3\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3:\u5c04\u51fa\u6210\u5f62\u306f\u3001\u7cbe\u5bc6\u306a\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306b\u4f9d\u5b58\u3057\u3066\u3001\u4e00\u8cab\u3057\u305f\u54c1\u8cea\u3067\u5927\u91cf\u306e\u90e8\u54c1\u3092\u751f\u7523\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u92fc\u88fd\u91d1\u578b\u306e\u30b3\u30b9\u30c8\u3084\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u306a\u3057\u3067\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u91d1\u578b1\u3092\u8fc5\u901f\u306b\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f\u3057\u304b\u3057\u3001\u5f93\u6765\u306e\u91d1\u578b\u88fd\u9020\u306f\u6642\u9593\u3068\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u7279\u306b\u5c0f\u898f\u6a21\u307e\u305f\u306f\u30ab\u30b9\u30bf\u30e0\u751f\u7523\u30ed\u30c3\u30c8\u3067\u306f\u9855\u8457\u3067\u3059\u30023D\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b02\u306f\u3001\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3092\u6570\u9031\u9593\u304b\u3089\u6570\u65e5\u306b\u77ed\u7e2e\u3059\u308b\u3001\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30e9\u30d4\u30c3\u30c9\u30d7\u30ed\u30c8\u30bf\u30a4\u30d4\u30f3\u30b0\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u6bd4\u8f03\u3057\u3066\u3044\u308b\u30c1\u30fc\u30e0\u5411\u3051\u306b\u3001\u5f53\u793e\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u8abf\u9054\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u306b\u7740\u624b\u3059\u308b\u524d\u306b\u6210\u5f62\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u8a8d\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u30023D\u91d1\u578bCAD\u8a2d\u8a08 \u672c\u8a18\u4e8b\u3067\u306f\u3001CAD\u8a2d\u8a08\u304b\u3089\u30d7\u30ea\u30f3\u30c6\u30a3\u30f3\u30b0\u307e\u3067\u3001\u5c04\u51fa\u6210\u5f62\u7528\u306e3D\u30d7\u30ea\u30f3\u30c8\u91d1\u578b\u3092\u4f5c\u6210\u3059\u308b\u5b8c\u5168\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002[\u2026]<\/p>","protected":false},"author":1,"featured_media":30564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"How to Create a 3D Printed Mold for Injection Molding | ZetarMold","_seopress_titles_desc":"Introduction: Injection molding relies on a precision injection mold to produce high-volume parts with consistent quality. But what if you need prototype tooling.","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[43],"tags":[378,379,48],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/posts\/29946"}],"collection":[{"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/comments?post=29946"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/posts\/29946\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/media\/30564"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/media?parent=29946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/categories?post=29946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/ja\/wp-json\/wp\/v2\/tags?post=29946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}