{"id":3566,"date":"2026-09-23T10:09:53","date_gmt":"2026-09-23T02:09:53","guid":{"rendered":"http:\/\/0"},"modified":"2026-09-16T16:14:37","modified_gmt":"2026-09-16T08:14:37","slug":"micro-overmolding-keeping-tiny-interfaces-under-control","status":"publish","type":"post","link":"https:\/\/www.jcinjectionmolding.com\/ja\/blog\/micro-overmolding-keeping-tiny-interfaces-under-control\/","title":{"rendered":"\u30de\u30a4\u30af\u30ed\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\uff1a\u5fae\u5c0f\u306a\u754c\u9762\u3092\u5236\u5fa1\u4e0b\u306b\u4fdd\u3064"},"content":{"rendered":"<div style=\"font-size: 18px;line-height: 1.8;letter-spacing: .1px;color: #202124\">\n<p><strong>\u30de\u30a4\u30af\u30ed\u30aa\u30fc\u30d0\u30fc\u30e2\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0<\/strong> \u306f\u3001\u5fae\u5c0f\u306a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3001\u91d1\u5c5e\u3001\u96fb\u5b50\u3001\u307e\u305f\u306f\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u8981\u7d20\u306e\u5468\u56f2\u306b\u7b2c\u4e8c\u306e\u6750\u6599\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305d\u306e\u4fa1\u5024\u306f\u3001\u5bc6\u5c01\u3001\u7d76\u7e01\u3001\u30b0\u30ea\u30c3\u30d7\u3001\u6b6a\u307f\u7de9\u548c\u3001\u90e8\u54c1\u4fdd\u6301\u306a\u3069\u306e\u6a5f\u80fd\u3092\u5c0f\u3055\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u30ea\u30b9\u30af\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u7b2c\u4e00\u306e\u90e8\u54c1\u306f\u3001\u7b2c\u4e8c\u306e\u30b7\u30e7\u30c3\u30c8\u4e2d\u306b\u79fb\u52d5\u3001\u5909\u5f62\u3001\u6c5a\u67d3\u3001\u30d0\u30ea\u3001\u307e\u305f\u306f\u4e88\u6e2c\u4e0d\u80fd\u306a\u63a5\u7740\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5065\u5168\u306a\u8a2d\u8a08\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6a5f\u80fd\u7684\u306a\u7279\u5fb4\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u4fdd\u6301\u3001\u6750\u6599\u9069\u5408\u6027\u3001\u30b7\u30e3\u30c3\u30c8\u30aa\u30d5\u3001\u71b1\u3068\u5727\u529b\u3078\u306e\u66dd\u9732\u3001\u96e2\u578b\u3001\u691c\u67fb\u306f\u3001\u4e00\u4f53\u3068\u3057\u3066\u958b\u767a\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n<div style=\"margin: 30px 0;padding: 22px 26px;border: 1px solid #d9dee5;border-radius: 10px;background: #f7f9fb\">\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30ec\u30d3\u30e5\u30fc<\/strong><\/p>\n<ol>\n<li><a href=\"#interface-product\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3059\u308b<\/a><\/li>\n<li><a href=\"#component-location\">\u7b2c\u4e00\u306e\u90e8\u54c1\u3092\u4fdd\u6301\u3059\u308b<\/a><\/li>\n<li><a href=\"#bonding-compatibility\">\u6750\u6599\u9069\u5408\u6027\u3092\u8a8d\u5b9a\u3059\u308b<\/a><\/li>\n<li><a href=\"#micro-boundary\">\u5883\u754c\u30d0\u30ea\u3092\u5236\u5fa1\u3059\u308b<\/a><\/li>\n<li><a href=\"#second-shot\">\u7b2c\u4e8c\u306e\u30b7\u30e7\u30c3\u30c8\u4e2d\u306b\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u4fdd\u8b77\u3059\u308b<\/a><\/li>\n<li><a href=\"#interface-inspection\">\u63a5\u7740\u3068\u5f62\u72b6\u3092\u691c\u67fb\u3059\u308b<\/a><\/li>\n<li><a href=\"#micro-overmold-faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"interface-product\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u88fd\u54c1\u3067\u3042\u308b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3660\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section.webp\" alt=\"micro-overmold-interface-cross-section\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-interface-cross-section-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u4f55\u3092\u3059\u3079\u304d\u304b\u3092\u660e\u793a\u3057\u307e\u3059\u3002\u5f15\u5f35\u8377\u91cd\u3092\u652f\u3048\u308b\u3001\u5265\u96e2\u306b\u62b5\u6297\u3059\u308b\u3001\u5727\u529b\u3092\u5bc6\u5c01\u3059\u308b\u3001\u6e7f\u6c17\u3092\u906e\u65ad\u3059\u308b\u3001\u96fb\u6c17\u7d76\u7e01\u3092\u63d0\u4f9b\u3059\u308b\u3001\u56de\u8ee2\u3092\u9632\u3050\u3001\u30c8\u30eb\u30af\u3092\u4f1d\u9054\u3059\u308b\u3001\u307e\u305f\u306f\u7e70\u308a\u8fd4\u3057\u306e\u5c48\u66f2\u306b\u8010\u3048\u308b\u3001\u306a\u3069\u3067\u3059\u3002\u5404\u6a5f\u80fd\u306f\u7570\u306a\u308b\u6545\u969c\u30e2\u30fc\u30c9\u3068\u8a66\u9a13\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002.<\/p>\n<p>\u6b21\u306b\u3001\u56f3\u9762\u306b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5f62\u72b6\u3092\u8a18\u5165\u3057\u307e\u3059\u3002\u63a5\u7740\u9818\u57df\u3001\u6a5f\u68b0\u7684\u30a4\u30f3\u30bf\u30fc\u30ed\u30c3\u30af\u3001\u30a8\u30c3\u30b8\u8ddd\u96e2\u3001\u30b7\u30e3\u30c3\u30c8\u30aa\u30d5\u3001\u8a31\u5bb9\u30d0\u30ea\u3001\u304a\u3088\u3073\u975e\u63a5\u89e6\u9762\u306f\u660e\u793a\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002\u300c\u826f\u597d\u306a\u63a5\u7740\u300d\u3068\u3044\u3063\u305f\u5e83\u7bc4\u306a\u8a18\u8ff0\u3067\u306f\u3001\u91d1\u578b\u8a2d\u8a08\u3084\u5408\u5426\u5224\u5b9a\u306e\u6307\u91dd\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p>\u8377\u91cd\u65b9\u5411\u304c\u91cd\u8981\u3067\u3059\u3002\u305b\u3093\u65ad\u306b\u62b5\u6297\u3059\u308b\u63a5\u7740\u3067\u3082\u3001\u8584\u3044\u30a8\u30c3\u30b8\u3067\u306f\u5265\u96e2\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u307e\u307e\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6a5f\u68b0\u7684\u30ad\u30fc\u306f\u4fdd\u6301\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u304c\u3001\u30ac\u30b9\u3092\u9589\u3058\u8fbc\u3081\u305f\u308a\u3001\u30cb\u30c3\u30c8\u30e9\u30a4\u30f3\u3092\u751f\u3058\u3055\u305b\u305f\u308a\u3001\u7b2c\u4e00\u306e\u90e8\u54c1\u3092\u5f31\u3081\u305f\u308a\u3082\u3057\u307e\u3059\u3002\u8a8d\u5b9a\u306f\u3001\u5b9f\u969b\u306e\u8377\u91cd\u65b9\u5411\u3068\u901f\u5ea6\u3092\u518d\u73fe\u3059\u3079\u304d\u3067\u3059\u3002.<\/p>\n<h2 id=\"component-location\">\u6700\u521d\u306e\u90e8\u54c1\u3092\u6240\u5b9a\u4f4d\u7f6e\u306b\u4fdd\u6301\u3059\u308b\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3059\u308b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3664\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold.webp\" alt=\"micro-insert-placement-in-mold\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-insert-placement-in-mold-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u91d1\u578b\u304c\u9589\u3058\u3066\u6eb6\u878d\u6a39\u8102\u304c\u6d41\u5165\u3059\u308b\u9593\u3001\u6700\u521d\u306e\u90e8\u54c1\u306f\u4f4d\u7f6e\u6c7a\u3081\u3055\u308c\u305f\u72b6\u614b\u3092\u7dad\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4f4d\u7f6e\u6c7a\u3081\u30d4\u30f3\u3001\u30cd\u30b9\u30c8\u3001\u771f\u7a7a\u3001\u6a5f\u68b0\u7684\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u3001\u9069\u5207\u306a\u91d1\u5c5e\u306b\u5bfe\u3059\u308b\u78c1\u6c17\u30b5\u30dd\u30fc\u30c8\u3001\u307e\u305f\u306f\u81ea\u52d5\u30a8\u30f3\u30c9\u30aa\u30d6\u30a2\u30fc\u30e0\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u9078\u629e\u3055\u308c\u305f\u8868\u9762\u306f\u5bf8\u6cd5\u30b9\u30bf\u30c3\u30af\u306e\u4e00\u90e8\u3068\u306a\u308a\u3001\u30a6\u30a4\u30c3\u30c8\u30cd\u30b9\u30de\u30fc\u30af\u3092\u6b8b\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5c0f\u3055\u306a\u30a4\u30f3\u30b5\u30fc\u30c8\u306f\u9759\u96fb\u6c17\u3001\u5411\u304d\u3001\u6c5a\u67d3\u306b\u654f\u611f\u3067\u3059\u3002\u4f9b\u7d66\u3068\u914d\u7f6e\u306b\u306f\u5b58\u5728\u691c\u51fa\u3092\u542b\u3081\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5411\u304d\u306e\u691c\u8a3c\u3082\u884c\u3046\u3079\u304d\u3067\u3059\u3002\u300c\u7269\u4f53\u304c\u3042\u308b\u300d\u3053\u3068\u3060\u3051\u3092\u691c\u77e5\u3059\u308b\u30bb\u30f3\u30b5\u30fc\u3067\u306f\u3001\u4e0a\u4e0b\u9006\u3055\u307e\u3084\u90e8\u5206\u7684\u306b\u3057\u304b\u88c5\u7740\u3055\u308c\u3066\u3044\u306a\u3044\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u533a\u5225\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u30a4\u30f3\u30b5\u30fc\u30c8\u3068\u4f4d\u7f6e\u6c7a\u3081\u30cd\u30b9\u30c8\u9593\u306e\u516c\u5dee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u305a\u308c\u3084\u30d0\u30ea\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u904e\u5ea6\u306e\u7de0\u3081\u4ee3\u306f\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u640d\u50b7\u3057\u305f\u308a\u3001\u5b8c\u5168\u306a\u88c5\u7740\u3092\u59a8\u3052\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/service\/insert-injection-molding\/\">\u30a4\u30f3\u30b5\u30fc\u30c8\u5c04\u51fa\u6210\u5f62<\/a> \u30d7\u30ed\u30bb\u30b9\u306f\u3001\u6700\u521d\u306e\u90e8\u54c1\u304c\u91d1\u5c5e\u307e\u305f\u306f\u4ed6\u306e\u65e2\u88fd\u90e8\u54c1\u3067\u3042\u308b\u5834\u5408\u306b\u95a2\u9023\u3059\u308b\u4f4d\u7f6e\u6c7a\u3081\u3068\u4fdd\u6301\u306e\u539f\u5247\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"bonding-compatibility\">\u6750\u6599\u9069\u5408\u6027\u306f\u63a5\u7740\u3060\u3051\u3067\u306f\u306a\u3044<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3661\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing.webp\" alt=\"micro-overmold-material-bond-testing\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-material-bond-testing-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u5316\u5b66\u7684\u9069\u5408\u6027\u306f\u91cd\u8981\u3067\u3059\u304c\u3001\u8868\u9762\u72b6\u614b\u3001\u6eb6\u878d\u6e29\u5ea6\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u6e29\u5ea6\u3001\u63a5\u89e6\u5727\u529b\u3001\u6642\u9593\u3001\u7740\u8272\u5264\u3001\u6dfb\u52a0\u5264\u3001\u6c34\u5206\u3001\u7d4c\u6642\u5909\u5316\u304c\u63a5\u7740\u6027\u80fd\u3092\u5909\u5316\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u9069\u5408\u6027\u30c1\u30e3\u30fc\u30c8\u306f\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u751f\u7523\u627f\u8a8d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<div style=\"margin: 24px 0\">\n<table style=\"width: 100%;border-collapse: collapse;font-size: 17px\">\n<thead>\n<tr>\n<th style=\"padding: 12px;border: 1px solid #ccd3da;background: #eef2f5;text-align: left\">\u754c\u9762\u6226\u7565<\/th>\n<th style=\"padding: 12px;border: 1px solid #ccd3da;background: #eef2f5;text-align: left\">\u5f37\u5ea6<\/th>\n<th style=\"padding: 12px;border: 1px solid #ccd3da;background: #eef2f5;text-align: left\">\u691c\u8a3c\u3059\u3079\u304d\u30ea\u30b9\u30af<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u5316\u5b66\u7684\u63a5\u7740<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u6e05\u6d44\u306a\u5f62\u72b6\u3068\u9023\u7d9a\u30b7\u30fc\u30eb\u306e\u53ef\u80fd\u6027<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u30b0\u30ec\u30fc\u30c9\u3001\u8868\u9762\u3001\u6e29\u5ea6\u3001\u7d4c\u6642\u5909\u5316\u3078\u306e\u611f\u53d7\u6027<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u6a5f\u68b0\u7684\u30a4\u30f3\u30bf\u30fc\u30ed\u30c3\u30af<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u30dd\u30ea\u30de\u30fc\u89aa\u548c\u6027\u3078\u306e\u4f9d\u5b58\u5ea6\u304c\u4f4e\u3044<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u30ac\u30b9\u30c8\u30e9\u30c3\u30d7\u3001\u8584\u8089\u90e8\u3001\u5fdc\u529b\u96c6\u4e2d<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u8868\u9762\u51e6\u7406\u307e\u305f\u306f\u30d7\u30e9\u30a4\u30de\u30fc<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u56f0\u96e3\u306a\u754c\u9762\u3092\u6539\u5584\u3067\u304d\u308b<\/td>\n<td style=\"padding: 11px;border: 1px solid #ccd3da\">\u88ab\u8986\u6027\u3001\u6e05\u6d44\u5ea6\u3001\u8caf\u8535\u5bff\u547d\u3001\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8a66\u9a13\u306b\u306f\u5b9f\u969b\u306e\u6a39\u8102\u30b0\u30ec\u30fc\u30c9\u3001\u7740\u8272\u5264\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u306e\u72b6\u614b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3002\u30bd\u30d5\u30c8\u30bf\u30c3\u30c1\u5c64\u3084\u30b7\u30fc\u30eb\u5c64\u306b\u3064\u3044\u3066\u306f\u3001 <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/materials\/thermoplastic-elastomers\/\">\u71b1\u53ef\u5851\u6027\u30a8\u30e9\u30b9\u30c8\u30de\u30fc<\/a> \u30d5\u30a1\u30df\u30ea\u30fc\u30da\u30fc\u30b8\u304c\u521d\u671f\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3092\u652f\u63f4\u3057\u3001\u305d\u306e\u5f8c\u30b0\u30ec\u30fc\u30c9\u5225\u306e\u8a66\u9a13\u3092\u884c\u3046\u3002.<\/p>\n<h2 id=\"micro-boundary\">\u30df\u30cb\u30c1\u30e5\u30a2\u5883\u754c\u5468\u8fba\u306e\u30d0\u30ea\u3092\u5236\u5fa1\u3059\u308b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3658\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash.webp\" alt=\"micro-overmold-boundary-flash\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-boundary-flash-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u30b7\u30e3\u30c3\u30c8\u30aa\u30d5\u306f\u3001\u7b2c\u4e00\u6210\u5206\u3092\u6f70\u3057\u305f\u308a\u30de\u30fc\u30af\u3092\u4ed8\u3051\u305f\u308a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066\u30b7\u30fc\u30eb\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30a4\u30f3\u30b5\u30fc\u30c8\u516c\u5dee\u3001\u88c5\u7740\u3070\u3089\u3064\u304d\u3001\u91d1\u578b\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3001\u71b1\u81a8\u5f35\u3001\u8868\u9762\u7570\u7269\u3001\u30ad\u30e3\u30d3\u30c6\u30a3\u5727\u529b\u306f\u3059\u3079\u3066\u5883\u754c\u306b\u5f71\u97ff\u3059\u308b\u3002\u5c0f\u3055\u306a\u30df\u30b9\u30de\u30c3\u30c1\u3067\u3082\u3001\u30b7\u30fc\u30eb\u3084\u7d44\u7acb\u3092\u59a8\u3052\u308b\u30d0\u30ea\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<p>\u92fc\u304c\u92fc\u306b\u5bfe\u3057\u3066\u9589\u3058\u308b\u7b87\u6240\u3068\u3001\u92fc\u304c\u30a4\u30f3\u30b5\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u9589\u3058\u308b\u7b87\u6240\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3002\u67d4\u8edf\u307e\u305f\u306f\u5bf8\u6cd5\u7684\u306b\u5909\u52d5\u3059\u308b\u30a4\u30f3\u30b5\u30fc\u30c8\u306b\u306f\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30c8\u306a\u6226\u7565\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u304c\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u79fb\u52d5\u3092\u8a31\u5bb9\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u3002\u5de5\u5177\u63a5\u89e6\u306f\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u516c\u5dee\u5168\u4f53\u306b\u308f\u305f\u308a\u3001\u4e88\u60f3\u3055\u308c\u308b\u6469\u8017\u5f8c\u306b\u3082\u78ba\u8a8d\u3059\u3079\u304d\u3067\u3042\u308b\u3002.<\/p>\n<p>\u30d9\u30f3\u30c8\u306f\u3001\u7279\u306b\u9589\u9396\u3055\u308c\u305f\u754c\u9762\u4ed8\u8fd1\u3067\u91cd\u8981\u3067\u3042\u308b\u3002\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u7a7a\u6c17\u306f\u3001\u7b2c\u4e8c\u6750\u6599\u304c\u30a8\u30c3\u30b8\u306b\u5230\u9054\u3059\u308b\u306e\u3092\u59a8\u3052\u305f\u308a\u3001\u5727\u7e2e\u3055\u308c\u3066\u713c\u3051\u8de1\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u30d9\u30f3\u30c8\u7d4c\u8def\u306f\u3001\u30d5\u30ed\u30fc\u30d5\u30ed\u30f3\u30c8\u304c\u5230\u9054\u3059\u308b\u307e\u3067\u958b\u3044\u305f\u307e\u307e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u540c\u6642\u306b\u30d0\u30ea\u7d4c\u8def\u306b\u306a\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002.<\/p>\n<h2 id=\"second-shot\">\u7b2c\u4e8c\u30b7\u30e7\u30c3\u30c8\u4e2d\u306e\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u4fdd\u8b77\u3059\u308b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3662\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert.webp\" alt=\"second-shot-protecting-micro-insert\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-second-shot-protecting-micro-insert-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>\u7b2c\u4e8c\u30b7\u30e7\u30c3\u30c8\u306f\u71b1\u3001\u5727\u529b\u3001\u305b\u3093\u65ad\u3092\u52a0\u3048\u308b\u3002\u8584\u3044\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u57fa\u6750\u306f\u8edf\u5316\u307e\u305f\u306f\u5909\u5f62\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u30ef\u30a4\u30e4\u3001\u30b3\u30f3\u30bf\u30af\u30c8\u3001\u30e1\u30f3\u30d6\u30ec\u30f3\u3001\u30de\u30a4\u30af\u30ed\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u306f\u79fb\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u654f\u611f\u306a\u96fb\u5b50\u90e8\u54c1\u306f\u6e29\u5ea6\u3001\u5727\u529b\u3001\u6e7f\u6c17\u306e\u5236\u7d04\u306b\u76f4\u9762\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<p>\u30b2\u30fc\u30c8\u4f4d\u7f6e\u306f\u3001\u529b\u3092\u652f\u6301\u3055\u308c\u305f\u9818\u57df\u306b\u5c0e\u304d\u3001\u7e4a\u7d30\u306a\u8981\u7d20\u3092\u6a2a\u5207\u308b\u30b8\u30a7\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u907f\u3051\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u5145\u586b\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u6bb5\u968e\u7684\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u304c\u3001\u3042\u308b\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u6975\u7aef\u306a\u30d7\u30ed\u30bb\u30b9\u304c\u3001\u5225\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u3092\u672a\u5145\u586b\u306e\u307e\u307e\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u652f\u6301\u5f62\u72b6\u3001\u30d9\u30f3\u30c8\u3001\u6750\u6599\u6e29\u5ea6\u3001\u5c04\u51fa\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u3001\u5b9f\u884c\u53ef\u80fd\u306a\u30d7\u30ed\u30bb\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u5f62\u6210\u3059\u3079\u304d\u3067\u3042\u308b\u3002.<\/p>\n<ol>\n<li>Measure the first component and seating position.<\/li>\n<li>Verify presence and orientation before mold close.<\/li>\n<li>Record gate-facing deformation and interface fill.<\/li>\n<li>Inspect hidden areas with sectioning or suitable imaging.<\/li>\n<li>Test electrical, sealing, or mechanical function after molding.<\/li>\n<li>Repeat after environmental conditioning and aging.<\/li>\n<\/ol>\n<h2 id=\"interface-inspection\">Inspect Bonding Without Hiding Dimensional Error<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3657\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection.webp\" alt=\"micro-overmold-bond-inspection\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmold-bond-inspection-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<p>A pull test can demonstrate retention while missing a shifted insert, thin seal, or local flash. Visual inspection can find boundary defects but cannot quantify adhesion. Use complementary methods tied to the failure modes.<\/p>\n<p>Dimensional inspection should reference the finished assembly datum. Cross-sections can reveal overmold thickness, voids, wetting, and insert location. Leak, peel, torque, electrical, or flex tests should reproduce the use direction and environment.<\/p>\n<p>The main <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/service\/overmolding-services\/\">overmolding process<\/a> page covers broader multi-material capability. For a micro-scale project, the <a href=\"https:\/\/www.jcinjectionmolding.com\/ja\/service\/micro-injection-molding\/\">\u30de\u30a4\u30af\u30ed\u5c04\u51fa\u6210\u5f62<\/a> controls for small-shot delivery, precise tool location, gentle handling, and feature-level metrology remain equally important.<\/p>\n<p>Keep test results traceable to insert lot, cavity, material lot, placement system, and cycle sequence. That record is often the fastest way to distinguish a bonding drift from a dimensional seating problem.<\/p>\n<h2 id=\"micro-overmold-faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3659\" src=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion.webp\" alt=\"micro-overmolding-engineering-discussion\" width=\"1600\" height=\"900\" srcset=\"https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion.webp 1600w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion-300x169.webp 300w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion-1024x576.webp 1024w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion-768x432.webp 768w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion-1536x864.webp 1536w, https:\/\/www.jcinjectionmolding.com\/wp-content\/uploads\/2026\/09\/h2-micro-overmolding-engineering-discussion-18x10.webp 18w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3>Does compatible material chemistry guarantee a bond?<\/h3>\n<p>No. Surface condition, temperature, pressure history, additives, moisture, geometry, and aging can change performance. Test the actual production pair.<\/p>\n<h3>When is a mechanical interlock useful?<\/h3>\n<p>It is useful when chemical adhesion is weak or extra retention is needed, provided the interlock can fill, vent, and release without weakening the components.<\/p>\n<h3>Why does flash appear only around some inserts?<\/h3>\n<p>Insert dimensional variation, incomplete seating, contamination, local shutoff wear, or placement error can change the boundary from cycle to cycle.<\/p>\n<h3>Should bond strength be tested immediately?<\/h3>\n<p>Immediate testing is useful, but qualification should also include the conditioning, aging, chemical, temperature, or flex exposure expected in service.<\/p>\n<h3>What belongs in a micro-overmolding RFQ?<\/h3>\n<p>Include both component drawings, exact materials, interface function, load direction, insert tolerances, allowed witness zones, environmental tests, automation needs, and annual volume.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Micro overmolding adds a second material around a tiny plastic, metal, electronic, or elastomeric element. Its value comes from combining functions such as sealing, insulation, grip, strain relief, or component retention in a small package. Its risk sits at the interface: the first component can shift, deform, contaminate, flash, or bond unpredictably during the second shot. A sound design treats the interface as a functional feature. Retention, material compatibility, shutoff, heat and pressure exposure, ejection, and inspection must be developed together. Interface review Define the interface function Hold the first component Qualify material compatibility Control boundary flash Protect the insert during the second shot Inspect bond and geometry Frequently asked [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3663,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3566","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\/3566","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=3566"}],"version-history":[{"count":0,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/posts\/3566\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media\/3663"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/media?parent=3566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/categories?post=3566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/ja\/wp-json\/wp\/v2\/tags?post=3566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}