{"id":3126,"date":"2026-08-19T18:12:40","date_gmt":"2026-08-19T10:12:40","guid":{"rendered":"http:\/\/0"},"modified":"2026-08-18T17:29:19","modified_gmt":"2026-08-18T09:29:19","slug":"what-is-overmolding-definition-types-and-applications","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/ja\/blog\/what-is-overmolding-definition-types-and-applications\/","title":{"rendered":"\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3068\u306f\uff1f\u5b9a\u7fa9\u3001\u7a2e\u985e\u3001\u304a\u3088\u3073\u7528\u9014"},"content":{"rendered":"<article style=\"font-family: -apple-system, BlinkMacSystemFont, &#039;Segoe UI&#039;, Roboto, Helvetica, Arial, sans-serif;color: #333333;width: 100%\">\n<section style=\"margin-bottom: 30px\">\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u88fd\u54c1\u8a2d\u8a08\u30c1\u30fc\u30e0\u306f\u3001\u5bfe\u7167\u7684\u306a\u7269\u7406\u7684\u7279\u6027\u3092\u5358\u4e00\u306e\u7d71\u5408\u90e8\u54c1\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u305f\u3081\u306b\u3001\u591a\u6750\u6599\u30dd\u30ea\u30de\u30fc\u69cb\u9020\u3092\u983b\u7e41\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002\u5358\u4e00\u5c04\u51fa\u306e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306f\u3001\u30bd\u30d5\u30c8\u30bf\u30c3\u30c1\u306e\u4eba\u9593\u5de5\u5b66\u3001\u632f\u52d5\u6e1b\u8870\u3001\u9632\u6c34\u30b7\u30fc\u30eb\u306e\u8981\u6c42\u3092\u540c\u6642\u306b\u6e80\u305f\u3059\u3053\u3068\u304c\u5e38\u306b\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u67d4\u8edf\u306a\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u5c64\u3092\u525b\u6027\u306e\u3042\u308b\u69cb\u9020\u30d5\u30ec\u30fc\u30e0\u306b\u76f4\u63a5\u878d\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u4e8c\u6b21\u7684\u306a\u6a5f\u68b0\u7684\u7559\u3081\u5177\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u3053\u308c\u3089\u306e\u6a5f\u80fd\u7684\u306a\u5236\u9650\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3127\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding.webp\" alt=\"multi-material-plastic-injection-molding\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/multi-material-plastic-injection-molding-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u8a55\u4fa1\u8005\u306e\u9593\u3067\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u591a\u6a39\u8102\u5c01\u5165\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u91d1\u578b\u306e\u8aa4\u308a\u3084\u63a5\u7740\u4e0d\u826f\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u5f37\u8abf\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6750\u6599\u306e\u9069\u5408\u6027\u3001\u91d1\u578b\u306e\u30b7\u30e3\u30c3\u30c8\u30aa\u30d5\u5f62\u72b6\u3001\u304a\u3088\u3073\u6a5f\u68b0\u306e\u30b5\u30a4\u30af\u30eb\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u3067\u3001\u525b\u6027\u5c64\u3068\u67d4\u8edf\u5c64\u306e\u9593\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u7d71\u5408\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u6559\u80b2\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30b3\u30a2\u30d7\u30ed\u30bb\u30b9\u306e\u5b9a\u7fa9\u3001\u69cb\u9020\u5206\u985e\u3001\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9078\u629e\u57fa\u6e96\u306b\u3064\u3044\u3066\u63a2\u6c42\u3057\u307e\u3059\u3002.<\/p>\n<\/section>\n<p><!-- Navigation Menu (\u9876\u90e8\u6a21\u5757\u5bfc\u822a\u680f) --><\/p>\n<nav style=\"background-color: #f8f9fa;border-left: 4px solid #0056b3;padding: 24px;border-radius: 6px;margin: 30px 0\">\n<h3 style=\"font-size: 22px;font-weight: bold;line-height: 1.5em;margin-top: 0;margin-bottom: 16px;color: #111111\">\u76ee\u6b21<\/h3>\n<ul style=\"list-style-type: none;padding-left: 0;margin: 0\">\n<li style=\"margin-bottom: 10px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#defining-overmolding\">1. \u73fe\u4ee3\u306e\u71b1\u53ef\u5851\u6027\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u9020\u306b\u304a\u3051\u308b\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u5b9a\u7fa9<\/a><\/li>\n<li style=\"margin-bottom: 10px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#main-types\">2. 3\u3064\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\uff1a\u57fa\u677f\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3001\u304a\u3088\u30732K\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0<\/a><\/li>\n<li style=\"margin-bottom: 10px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#when-to-choose\">3. \u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u88fd\u54c1\u8a2d\u8a08\u306b\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3092\u3044\u3064\u9078\u629e\u3059\u3079\u304d\u304b\uff1f<\/a><\/li>\n<li style=\"margin-bottom: 10px\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#why-jucheng\">4. \u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u53d7\u8a17\u88fd\u9020\u306bJUCHENG\u3092\u9078\u3076\u7406\u7531<\/a><\/li>\n<li style=\"margin-bottom: 0\"><a style=\"color: #0056b3;text-decoration: none;font-size: 17px;font-weight: 500\" href=\"#faq\">5. \u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><!-- Section 1 (\u524d\u90e8\uff1a\u76ee\u6807\u8bcd\u52a0\u7c97 1 \u6b21) --><\/p>\n<section id=\"defining-overmolding\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">\u73fe\u4ee3\u306e\u71b1\u53ef\u5851\u6027\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u9020\u306b\u304a\u3051\u308b\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u5b9a\u7fa9<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3132\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface.webp\" alt=\"elastomer-substrate-bonding-interface\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/elastomer-substrate-bonding-interface-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u56de\u7b54\uff1a <strong>\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3068\u306f\u4f55\u304b<\/strong> \u3068\u3044\u3046\u554f\u3044\u306b\u306f\u3001\u4e8c\u6b21\u30dd\u30ea\u30de\u30fc\u5c64\u304c\u4e8b\u524d\u306b\u5f62\u6210\u3055\u308c\u305f\u525b\u6027\u57fa\u677f\u306b\u76f4\u63a5\u5c04\u51fa\u3055\u308c\u308b\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u6b21\u52a0\u5de5\u3067\u306f\u3001\u525b\u6027\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30b7\u30e3\u30fc\u30b7\u3092\u6210\u5f62\u3059\u308b\u304b\u3001\u91d1\u578b\u30b3\u30a2\u5185\u306b\u91d1\u5c5e\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u914d\u7f6e\u3057\u307e\u3059\u3002\u4e8c\u6b21\u52a0\u5de5\u3067\u306f\u3001\u67d4\u8edf\u306a <strong>\u30a8\u30e9\u30b9\u30c8\u30de\u30fc<\/strong> \u3092\u6307\u5b9a\u3055\u308c\u305f\u63a5\u89e6\u30be\u30fc\u30f3\u306b\u5c04\u51fa\u3057\u3001\u51b7\u5374\u6642\u306b\u51dd\u96c6\u6027\u306e\u3042\u308b\u591a\u5c64\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u30ab\u30b9\u30bf\u30e0 <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/service\/overmolding-services\/\"><strong>\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u5c04\u51fa\u6210\u5f62<\/strong><\/a> \u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u5316\u5b66\u7684\u306b\u9069\u5408\u3059\u308b\u30dd\u30ea\u30de\u30fc\u30d5\u30a1\u30df\u30ea\u30fc\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u525b\u6027\u57fa\u677f\u30d5\u30ec\u30fc\u30e0\u306f\u901a\u5e38\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u71b1\u53ef\u5851\u6027\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>ABS<\/strong>, <strong>\u30dd\u30ea\u30ab\u30fc\u30dc\u30cd\u30fc\u30c8\uff08PC\uff09<\/strong>, \u3001\u307e\u305f\u306f\u30ca\u30a4\u30ed\u30f3\u3002\u6eb6\u878d\u3057\u305f\u30bb\u30ab\u30f3\u30c9\u30b7\u30e7\u30c3\u30c8\u6a39\u8102\u304c\u57fa\u6750\u306e\u5fae\u8996\u7684\u306a\u5883\u754c\u5c64\u3092\u6eb6\u304b\u3057\u3001\u30dd\u30ea\u30de\u30fc\u9396\u304c\u76f8\u4e92\u62e1\u6563\u3057\u3066\u6c38\u4e45\u7684\u306a\u5316\u5b66\u7d50\u5408\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/p>\n<\/section>\n<p><!-- Section 2 (\u4e2d\u90e8\uff1a\u76ee\u6807\u8bcd\u4e0d\u52a0\u7c97) --><\/p>\n<section id=\"main-types\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">3\u3064\u306e\u4e3b\u8981\u30bf\u30a4\u30d7\uff1a\u57fa\u6750\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u30012K\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3131\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool.webp\" alt=\"two-shot-rotary-platen-tool\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/two-shot-rotary-platen-tool-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u591a\u6750\u6599\u5c01\u6b62\u30d7\u30ed\u30bb\u30b9\u306e\u5206\u985e\u306b\u306f\u3001\u57fa\u6750\u30bf\u30a4\u30d7\u3068\u6a5f\u68b0\u5de5\u5177\u69cb\u9020\u306e\u5206\u6790\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u57fa\u6750\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306f\u30012\u3064\u306e\u5225\u3005\u306e\u91d1\u578b\u30ad\u30e3\u30d3\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e8b\u524d\u306b\u6210\u5f62\u3055\u308c\u305f\u786c\u8cea\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u4e0a\u306b\u67d4\u3089\u304b\u3044\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u6a39\u8102\u3092\u5c64\u72b6\u306b\u91cd\u306d\u307e\u3059\u3002\u30a4\u30f3\u30b5\u30fc\u30c8\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u771f\u936e\u306d\u3058\u30b9\u30bf\u30c3\u30c9\u3001\u9285\u30d0\u30b9\u30d0\u30fc\u3001\u96fb\u5b50\u30bb\u30f3\u30b5\u30fc\u306a\u3069\u306e\u975e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u8981\u7d20\u3092\u4fdd\u8b77\u7528\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30b7\u30a7\u30eb\u5185\u306b\u76f4\u63a5\u5c01\u5165\u3057\u307e\u3059\u3002.<\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">2\u30b7\u30e7\u30c3\u30c8\u307e\u305f\u306f2K\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u5c02\u7528\u306e\u56de\u8ee2\u30d7\u30e9\u30c6\u30f3\u5de5\u5177\u3092\u4f7f\u7528\u3057\u3066\u30011\u3064\u306e\u30d7\u30ec\u30b9\u30b5\u30a4\u30af\u30eb\u5185\u3067\u4e21\u65b9\u306e\u5c04\u51fa\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3068\u306f\u4f55\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f2\u6bb5\u968e\u8ee2\u5199\u30d7\u30ed\u30bb\u30b9\u3068\u5358\u4e00\u30b5\u30a4\u30af\u30eb\u56de\u8ee22K\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3092\u533a\u5225\u3067\u304d\u307e\u3059\u3002\u9078\u629e <strong>TPE<\/strong>, <strong>TPU<\/strong>, \u3001\u307e\u305f\u306f\u30ac\u30e9\u30b9\u5145\u586b <strong>PA66<\/strong> \u306f\u3001\u5fc5\u8981\u306a\u751f\u7523\u91cf\u3068\u63a5\u5408\u5f37\u5ea6\u76ee\u6a19\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n<p><!-- Table 1: Overmolding Types Comparison Table --><\/p>\n<div style=\"margin: 32px 0\">\n<table style=\"width: 100%;border-collapse: collapse;font-size: 16px;text-align: left;min-width: 600px\">\n<thead>\n<tr style=\"background-color: #f8f9fa;border-bottom: 2px solid #dee2e6\">\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u30ab\u30c6\u30b4\u30ea<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u57fa\u6750\u6750\u6599<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u5de5\u5177\u3068\u6a5f\u68b0\u69cb\u9020<\/th>\n<th style=\"padding: 16px;border: 1px solid #dee2e6;font-weight: 600;color: #111111\">\u4e3b\u306a\u7523\u696d\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u57fa\u6750\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\uff08\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u4e0a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\uff09<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u786c\u8cea\u71b1\u53ef\u5851\u6027\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\uff08ABS\u3001PC\u3001PC\/ABS\uff09<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">2\u3064\u306e\u5225\u3005\u306e\u5358\u4e00\u30b7\u30e7\u30c3\u30c8\u91d1\u578b\u5de5\u5177<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u96fb\u52d5\u5de5\u5177\u30cf\u30f3\u30c9\u30eb\u3068\u6d88\u8cbb\u8005\u5411\u3051\u96fb\u5b50\u6a5f\u5668\u30b0\u30ea\u30c3\u30d7<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u30a4\u30f3\u30b5\u30fc\u30c8\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\uff08\u91d1\u5c5e\u4e0a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\uff09<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u91d1\u5c5e\u30d5\u30a1\u30b9\u30ca\u30fc\u3001\u30d0\u30b9\u30d0\u30fc\u3001PCB<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u30b3\u30a2\u4f4d\u7f6e\u6c7a\u3081\u30d4\u30f3\u3092\u5099\u3048\u305f\u5358\u4e00\u91d1\u578b\u30c4\u30fc\u30eb<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">EV\u30d0\u30c3\u30c6\u30ea\u30fc\u30d0\u30b9\u30d0\u30fc\u3068\u5bc6\u9589\u578b\u96fb\u5b50\u30bb\u30f3\u30b5\u30fc<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #dee2e6\">\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u30c4\u30fc\u30b7\u30e7\u30c3\u30c8 \/ 2K\u6210\u5f62\uff08\u5358\u4e00\u30d7\u30ec\u30b9\uff09<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u4e00\u6b21\u6210\u5f62\u30ea\u30b8\u30c3\u30c9\u30b7\u30a7\u30eb<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">180\u00b0\u56de\u8ee2\u30d7\u30e9\u30c6\u30f3\u30c4\u30fc\u30eb\u3092\u5099\u3048\u305f\u5358\u4e00\u30d7\u30ec\u30b9<\/td>\n<td style=\"padding: 16px;border: 1px solid #dee2e6;color: #333333\">\u81ea\u52d5\u8eca\u7528\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u30dc\u30bf\u30f3\u3068\u4e8c\u8272\u30ec\u30f3\u30ba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<p><!-- Section 3 (\u4e2d\u540e\u90e8\uff1a\u76ee\u6807\u8bcd\u4e0d\u52a0\u7c97) --><\/p>\n<section id=\"when-to-choose\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u88fd\u54c1\u8a2d\u8a08\u306b\u304a\u3044\u3066\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3092\u3044\u3064\u9078\u629e\u3059\u3079\u304d\u304b\uff1f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3130\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip.webp\" alt=\"tactile-soft-touch-tool-grip\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/tactile-soft-touch-tool-grip-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u7279\u5b9a\u306e\u88fd\u54c1\u8a2d\u8a08\u306b\u5bfe\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u9069\u5408\u6027\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u306f\u3001\u6a5f\u80fd\u6027\u80fd\u76ee\u6a19\u3068\u7d44\u7acb\u30b3\u30b9\u30c8\u76ee\u6a19\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u6ed1\u308a\u306b\u304f\u3044\u30bd\u30d5\u30c8\u30bf\u30c3\u30c1\u30cf\u30f3\u30c9\u30eb\u3001\u632f\u52d5\u7d76\u7e01\u3001\u307e\u305f\u306f\u7d71\u5408\u3055\u308c\u305f\u6d41\u4f53\u30b7\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u90e8\u54c1\u306b\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u6307\u5b9a\u304c\u975e\u5e38\u306b\u6709\u5229\u3067\u3059\u3002\u90e8\u54c1\u306e\u30d1\u30fc\u30c6\u30a3\u30f3\u30b0\u30e9\u30a4\u30f3\u4e0a\u306b\u7d71\u5408\u30b7\u30fc\u30eb\u3092\u5f62\u6210\u3059\u308b\u3053\u3068\u3067\u3001 <strong>IP67\u9632\u6c34\u30b7\u30fc\u30ea\u30f3\u30b0<\/strong> \u624b\u52d5\u30d5\u30a9\u30fc\u30e0\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u53d6\u308a\u4ed8\u3051\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">\u9ad8\u6027\u80fd\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u7279\u6b8a\u306a\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/materials\/thermoplastic-vulcanizate-tpv\/\"><strong>\u30b5\u30f3\u30c8\u30d7\u30ec\u30fc\u30f3TPV<\/strong><\/a> \u8010\u5019\u6027\u3001\u81ea\u52d5\u8eca\u7528\u30aa\u30a4\u30eb\u3001\u9ad8\u6e29\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u6301\u305f\u305b\u307e\u3059\u3002\u4e8c\u6b21\u7684\u306a\u624b\u52d5\u7d44\u7acb\u5de5\u7a0b\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u90e8\u54c1\u5358\u4fa1\u306e\u52b4\u52d9\u8cbb\u3092\u524a\u6e1b\u3057\u3001\u5468\u671f\u7684\u306a\u9053\u8def\u632f\u52d5\u4e0b\u3067\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u7de9\u307f\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n<p><!-- Bulleted List --><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 16px\">\u4e3b\u8981\u306a\u88fd\u54c1\u8a2d\u8a08\u9078\u629e\u306e\u30c8\u30ea\u30ac\u30fc\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n<ul style=\"list-style-type: disc;padding-left: 24px;font-size: 18px;line-height: 1.8em;margin-bottom: 24px\">\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>\u89e6\u611f\u30b0\u30ea\u30c3\u30d7\u8981\u4ef6<\/strong>\u2014Adding TPE or TPU layers onto handheld equipment improves user comfort and slip resistance.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Environmental sealing needs<\/strong>\u2014Encapsulating enclosure joints directly provides long-term IP67\/IP68 fluid protection.<\/li>\n<li style=\"margin-bottom: 12px;text-align: left\"><strong>Vibration dampening goals<\/strong>\u2014Cushioning rigid structural frames protects internal circuit boards against dynamic shock.<\/li>\n<\/ul>\n<\/section>\n<p><!-- Section 4 (\u540e\u90e8\uff1a\u76ee\u6807\u8bcd\u4e0d\u52a0\u7c97\uff0c\u603b\u7ed3\u4e0e\u5de5\u5382\u5b9e\u529b) --><\/p>\n<section id=\"why-jucheng\" style=\"margin-bottom: 50px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">Why Choose JUCHENG for Overmolding Contract Manufacturing<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3133\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell.webp\" alt=\"jucheng-cleanroom-manufacturing-cell\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/jucheng-cleanroom-manufacturing-cell-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Partnering with JUCHENG for multi-material encapsulation projects provides access to an extensive production floor equipped with 35+ automated injection presses ranging from 15T to 3000T clamping force. Operating an in-house tool room with 25 sets of 5-axis CNC machines permits precise machining of shut-off steel lands from hardened <strong>S136 stainless steel<\/strong> \u307e\u305f\u306f <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/materials\/mold-steel\/h13-tool-steel\/\"><strong>H13\u5de5\u5177\u92fc<\/strong><\/a>. Our engineering team delivers a free 24-hour DfM review for every CAD submission, analyzing substrate wall thickness, draft angles, and shut-off feasibility before cutting steel.<\/p>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Evaluating what is overmolding feasibility during early DfM stages prevents expensive steel modifications during series production. Quality management systems certified to IATF 16949 and ISO 13485 back every multi-shot production run, offering full PPAP Level 3 documentation for automotive programs. Operating an ISO Class 8 cleanroom molding department protects medical components from particulate contamination during molding and drop-packaging.<\/p>\n<\/section>\n<p><!-- FAQ Section (Module 5: 6 FAQs) --><\/p>\n<section id=\"faq\" style=\"margin-bottom: 40px\">\n<h2 style=\"font-size: 28px;line-height: 1.5em;font-weight: bold;margin-top: 40px;margin-bottom: 24px;color: #111111;border-bottom: 1px solid #eaeaea;padding-bottom: 8px\">\u3088\u304f\u3042\u308b\u8cea\u554f (FAQ)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3128\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler.webp\" alt=\"optical-metrology-lens-profiler\" width=\"1376\" height=\"768\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler.webp 1376w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler-300x167.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler-1024x572.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler-768x429.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/08\/optical-metrology-lens-profiler-18x10.webp 18w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">What is overmolding in simple terms?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Overmolding is an injection molding process where a secondary plastic or elastomeric resin is injected over a pre-formed rigid plastic or metal substrate. This multi-material process combines two contrasting properties, such as a rigid structural frame and a soft-touch grip, into a single integrated component.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">What is the difference between overmolding and insert molding?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Insert molding encapsulates non-plastic substrates like brass threaded bushings or copper busbars inside molten resin. Overmolding specifically layers a secondary resin (typically a soft elastomer like TPE or TPU) over a rigid plastic chassis or over an already encapsulated insert.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">How do materials bond during overmolding?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Materials bond primarily through chemical fusion, where molten second-shot resin melts a thin skin layer on the substrate, allowing polymer chains to entangle across the boundary. When chemical affinity between polymers is low, mold designers incorporate mechanical interlocks like undercuts or dovetails.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">Can overmolding eliminate secondary manual assembly steps?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Overmolding eliminates manual assembly steps by molding soft grips, seals, or multi-color symbols directly onto the part inside the injection press. Eliminating secondary glues, fasteners, and manual handling lowers overall unit manufacturing costs and improves joint reliability.<\/p>\n<\/div>\n<div style=\"margin-bottom: 30px\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">What are the most common polymers used for plastic overmolding?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Rigid substrates typically utilize ABS, polycarbonate (PC), PC\/ABS alloys, and glass-filled Nylon (PA66-GF). Overmold layers commonly use thermoplastic elastomers (TPE), thermoplastic polyurethanes (TPU), and thermoplastic vulcanizates (TPV\/Santoprene).<\/p>\n<\/div>\n<div style=\"margin-bottom: 0\">\n<h3 style=\"font-size: 22px;line-height: 1.5em;font-weight: bold;margin-top: 24px;margin-bottom: 12px;color: #111111\">Why is cleanroom processing important for medical overmolding?<\/h3>\n<p style=\"font-size: 18px;line-height: 1.8em;text-align: left;margin-bottom: 24px\">Cleanroom molding inside ISO Class 8 environments controls airborne particulate contamination during multi-material processing. Sterile medical devices, surgical tool handles, and fluidic diagnostic cartridges require cleanroom encapsulation to satisfy ISO 13485 and USP Class VI compliance.<\/p>\n<\/div>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Product design teams frequently specify multi-material polymer construction to combine contrasting physical properties into a single unified part. Single-shot plastic components cannot always satisfy demanding requirements for soft-touch ergonomics, vibration dampening, and waterproof sealing concurrently. Fusing a flexible elastomeric layer directly onto a rigid structural frame resolves these functional limitations without requiring secondary mechanical fasteners. Community discussions among plastics evaluators emphasize that understanding multi-resin encapsulation mechanics prevents tooling mistakes and adhesion failures. Evaluating material compatibility, mold shut-off geometries, and machine cycle parameters ensures seamless integration between rigid and flexible layers. This technical educational guide explores core process definitions, structural classifications, and application selection criteria. Table of Contents 1. Defining Overmolding [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/posts\/3126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/comments?post=3126"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/posts\/3126\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media\/3129"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media?parent=3126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/categories?post=3126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/tags?post=3126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}