{"id":10928,"date":"2026-02-28T08:00:25","date_gmt":"2026-02-28T08:00:25","guid":{"rendered":"https:\/\/ideal-pro.com\/?p=10928"},"modified":"2026-02-28T08:30:10","modified_gmt":"2026-02-28T08:30:10","slug":"how-to-fix-leaking-injection-molds-complete-troubleshooting-solutions","status":"publish","type":"post","link":"https:\/\/ideal-pro.com\/ja\/\u5c04\u51fa\u6210\u5f62\u7528\u91d1\u578b\u306e\u6f0f\u308c\u3092\u4fee\u7406\u3059\u308b\u65b9\u6cd5-\u5b8c\u5168\u306a\u30c8\u30e9\/","title":{"rendered":"\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306e\u6f0f\u308c\u3092\u76f4\u3059\u306b\u306f\uff1f\u5b8c\u5168\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u89e3\u6c7a\u7b56"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u6c34\u6f0f\u308c\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u3067\u5384\u4ecb\u306a\u554f\u984c\u306e\u3072\u3068\u3064\u3067\u3042\u308b\u3002 <a href=\"https:\/\/ideal-pro.com\/ja\/how-injection-speed-profiling-affects-injection-molding-part-quality-a-technical-guide\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5c04\u51fa\u6210\u5f62<\/a><sup id=\"fnref-1\"><a href=\"#fn-1\" class=\"footnote-ref\">1<\/a><\/sup>. .\u91d1\u578b\u304b\u3089\u306e\u6f0f\u308c\u306f\u51b7\u5374\u52b9\u7387\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0\u3092\u9577\u304f\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6210\u5f62\u54c1\u306e\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3084\u8868\u9762\u54c1\u8cea\u306b\u3082\u5f71\u97ff\u3059\u308b\u3002\u3072\u3069\u3044\u5834\u5408\u306b\u306f\u3001\u96fb\u6c17\u7684\u306a\u5371\u967a\u3084\u91d1\u578b\u306e\u8150\u98df\u3001\u4e88\u671f\u305b\u306c\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001\u305d\u306e\u8981\u7d04\u3067\u3042\u308b\u3002 <strong>\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u6c34\u6f0f\u308c\u306e5\u5927\u539f\u56e0<\/strong> \u307e\u305f\u3001\u73fe\u5834\u3067\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u4fee\u7406\u306e\u305f\u3081\u306e\u5b9f\u7528\u7684\u3067\u5c02\u9580\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u306e\u554f\u984c\u3092\u7d20\u65e9\u304f\u8a3a\u65ad\u3057\u3066\u89e3\u6c7a\u3059\u308b\u304a\u624b\u4f1d\u3044\u3092\u3057\u307e\u3059\u3002.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ideal-pro.com\/wp-content\/uploads\/2026\/02\/how-to-fix-leaking-injection-molds.jpg\" alt=\"\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u306e\u6f0f\u308c\u3092\u76f4\u3059\u65b9\u6cd5\"><\/p>\n<h2>\u51b7\u5374\u6c34\u30d1\u30a4\u30d7\u306e\u7d99\u304e\u76ee\u304b\u3089\u306e\u6f0f\u308c<\/h2>\n<p>\u6700\u3082\u4e00\u822c\u7684\u306a\u6c34\u6f0f\u308c\u306e\u5834\u6240\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\u3002 <strong>\u51b7\u5374\u6c34\u30d1\u30a4\u30d7\u7d99\u304e\u624b<\/strong>.<\/p>\n<ul>\n<li>\u6f0f\u308c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30e9\u30c3\u30d7 <strong>\u30b7\u30fc\u30eb\u30c6\u30fc\u30d7<\/strong> \u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u518d\u3073\u53d6\u308a\u4ed8\u3051\u3001\u7de0\u3081\u4ed8\u3051\u308b\u524d\u306b\u3001\u30cd\u30b8\u5c71\u306e\u5468\u56f2\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u30b3\u30cd\u30af\u30bf\u30fc\u304c\u5b8c\u5168\u306b\u304b\u307f\u5408\u3044\u3001\u9069\u5207\u306a\u30c8\u30eb\u30af\u3067\u7de0\u3081\u4ed8\u3051\u3089\u308c \u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30cd\u30b8\u5c71\u306e\u7de9\u307f\u3084\u30ba\u30ec\u306b\u3088\u308b\u9699\u9593\u3092\u306a\u304f\u3059\u3002.<\/li>\n<\/ul>\n<h2>Worn or Damaged O&#8209;Ring Seals<\/h2>\n<p>After long&#8209;term production, <strong><a href=\"https:\/\/www.applerubber.com\/blog\/o-ring-preventative-maintenance-ensuring-long-term-seal-performance\/\" target=\"_blank\" rel=\"noopener noreferrer\">O&#8209;ring rubber seals<\/a><sup id=\"fnref-2\"><a href=\"#fn-2\" class=\"footnote-ref\">2<\/a><\/sup><\/strong> \u306f\u786c\u5316\u3001\u4e80\u88c2\u3001\u5909\u5f62\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u30b7\u30fc\u30eb\u304c\u7834\u640d\u3059\u308b\u3002.<\/p>\n<ul>\n<li>\u307e\u305f\u3001\u4e0d\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051\u306f\u3001\u65b0\u3057\u3044\u30b7\u30fc\u30eb\u3067\u3082\u6f0f\u308c\u306e\u539f\u56e0\u3068\u306a\u308b\u3002.<\/li>\n<li><strong>\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong>: Regularly inspect seal condition, seating position, and elasticity. Replace damaged or aged O&#8209;rings immediately.<\/li>\n<\/ul>\n<h2>\u640d\u50b7\u3057\u305f\u51b7\u5374\u6c34\u8def\u58c1<\/h2>\n<p>\u3053\u306e\u554f\u984c\u306f <strong>\u65b0\u91d1\u578b<\/strong>. .\u5341\u5206\u306a\u8a2d\u8a08\u8089\u539a\u304c\u3042\u3063\u3066\u3082\u3001, <strong>\u52a0\u5de5\u30df\u30b9\u3084\u4e8c\u6b21\u52a0\u5de5<\/strong> \u306f\u51b7\u5374\u6c34\u8def\u306e\u58c1\u3092\u8cab\u901a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n<ul>\n<li>\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u640d\u50b7\u3057\u305f\u6c34\u8def\u306f\u3082\u306f\u3084\u4f7f\u7528\u4e0d\u53ef\u80fd\u3067\u3042\u308a\u3001\u5b89\u5168\u306b\u585e\u3050\u304b\u3001\u4f5c\u308a\u76f4\u3055\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/li>\n<\/ul>\n<h2>\u51b7\u5374\u6c34\u8def\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u30b9\u30b1\u30fc\u30eb\u9664\u53bb<\/h2>\n<p>\u51b7\u5374\u6c34\u8def\u306b\u305f\u307e\u308a\u3084\u3059\u3044 <strong>\u3046\u308d\u3053\u30fb\u3055\u3073<\/strong>, \u3053\u308c\u306f\u6c34\u306e\u6d41\u308c\u3092\u59a8\u3052\u3001\u71b1\u4f1d\u9054\u3092\u6e1b\u5c11\u3055\u305b\u308b\u3002.<\/p>\n<ul>\n<li>\u30b9\u30c8\u30ec\u30fc\u30c8\u30fb\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u5834\u5408\uff1a\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u76f4\u5f84\u3088\u308a\u7d040.5 mm\u5c0f\u3055\u3044\u30b9\u30c1\u30fc\u30eb\u68d2\u3092\u4f7f\u7528\u3057\u3001\u512a\u3057\u304f\u53e9\u304f\u3053\u3068\u3067\u30b9\u30b1\u30fc\u30eb\u3084\u9306\u3092\u9664\u53bb\u3059\u308b\u3002.<\/li>\n<li>\u57cb\u3081\u8fbc\u307f\u306e\u51b7\u5374\u30e9\u30a4\u30f3\u7528\uff1a\u91d1\u578b\u3092\u5206\u89e3\u3057\u3066\u5fb9\u5e95\u7684\u306b\u6d17\u6d44\u3059\u308b\u3002.<\/li>\n<\/ul>\n<p><strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u5f8c\u306e\u30ea\u30fc\u30af\u30c6\u30b9\u30c8<\/strong>:\n\u30cf\u30f3\u30c9\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u30fb\u30dd\u30f3\u30d7\u3067\u51b7\u5374\u56de\u8def\u3092\u52a0\u5727\u3057\u3066 <strong>2MPa\u30015\u5206\u9593\u4fdd\u6301<\/strong>. If pressure remains stable, the system is sealed properly.\nLeak points can be sealed using elastic materials such as rubber or cork via mechanical compression. Room&#8209;temperature curing silicone is also a reliable option.<\/p>\n<h2>\u52a0\u71b1\u30c1\u30e3\u30f3\u30cd\u30eb\u3068\u771f\u7a7a\u30dd\u30f3\u30d7\u30b7\u30b9\u30c6\u30e0\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/h2>\n<p>Heating channels provide effective heat transfer, especially for cooling slender, deep cores.\nInstalling unidirectional heating channels in high&#8209;flow areas helps reduce leakage risks.\nIn addition, using a <strong>\u771f\u7a7a\u30dd\u30f3\u30d7<\/strong> \u51b7\u5374\u6c34\u3092\u6c72\u307f\u4e0a\u3052\u308b\u3053\u3068\u3067\u3001\u610f\u56f3\u3057\u306a\u3044\u6f0f\u308c\u3092\u3055\u3089\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n<hr>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u306e\u30ab\u30d3\u6f0f\u308c\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067\u307b\u3068\u3093\u3069\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <strong><a href=\"https:\/\/www.plasticdesign.com\/blog\/the-importance-of-injection-mold-maintenance-and-how-to-do-it\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5b9a\u671f\u70b9\u691c\u3068\u9069\u5207\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/a><sup id=\"fnref-3\"><a href=\"#fn-3\" class=\"footnote-ref\">3<\/a><\/sup><\/strong>. By focusing on pipe joints, O&#8209;ring seals, cooling channel integrity, descaling, and pressure testing, you can greatly reduce downtime and maintain stable production.<\/p>\n<p>\u9069\u6642\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306f\u3001\u65e2\u5b58\u306e\u6f0f\u308c\u3092\u4fee\u6b63\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u91d1\u578b\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3057\u3001\u51b7\u5374\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u3001\u5b89\u5b9a\u3057\u305f\u90e8\u54c1\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<hr><div class=\"footnotes\"><hr><ol><li id=\"fn-1\"><p>\u5c04\u51fa\u6210\u5f62\u751f\u7523\u306e\u52b9\u7387\u3068\u54c1\u8cea\u3092\u9ad8\u3081\u308b\u52b9\u679c\u7684\u306a\u6226\u7565\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u3001\u3053\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002.\r <a href=\"#fnref-1\" class=\"footnote-backref\">&#8617;<\/a><\/p><\/li><li id=\"fn-2\"><p>O\u30ea\u30f3\u30b0\u30fb\u30b4\u30e0\u30b7\u30fc\u30eb\u306e\u9069\u5207\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u65b9\u6cd5\u3092\u5b66\u3073\u3001\u6f0f\u308c\u3092\u9632\u304e\u3001\u91d1\u578b\u3092\u9577\u6301\u3061\u3055\u305b\u307e\u3057\u3087\u3046\u3002.\r <a href=\"#fnref-2\" class=\"footnote-backref\">&#8617;<\/a><\/p><\/li><li id=\"fn-3\"><p>\u5c04\u51fa\u6210\u5f62\u306b\u304a\u3051\u308b\u5b9a\u671f\u7684\u306a\u691c\u67fb\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u91cd\u8981\u6027\u3092\u63a2\u308a\u3001\u6f0f\u308c\u3092\u9632\u304e\u3001\u54c1\u8cea\u3092\u78ba\u4fdd\u3059\u308b\u3002.\r <a href=\"#fnref-3\" class=\"footnote-backref\">&#8617;<\/a><\/p><\/li><\/ol><\/div>","protected":false},"excerpt":{"rendered":"<p>Overview Water leakage in the cooling system is one of the most common and troublesome issues in injection molding production1. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10932,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"How to Fix Leaking Injection Molds? Complete Troubleshooting & Solutions","_seopress_titles_desc":"Persistent water leakage in injection molds can cause poor cooling, unstable product quality, and mold damage. This article covers the 5 most common causes of mold cooling water leaks, professional repair methods, descaling, pressure testing, and preventive maintenance.","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[21],"tags":[98,99,96,97],"class_list":["post-10928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-how-to-fix-mold-leakage","tag-injection-mold-troubleshooting","tag-leaking-injection-mold","tag-mold-cooling-water-leak"],"acf":[],"_links":{"self":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/10928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/comments?post=10928"}],"version-history":[{"count":5,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/10928\/revisions"}],"predecessor-version":[{"id":10937,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/10928\/revisions\/10937"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/media\/10932"}],"wp:attachment":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/media?parent=10928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/categories?post=10928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/tags?post=10928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}