{"id":11702,"date":"2026-03-26T08:36:30","date_gmt":"2026-03-26T08:36:30","guid":{"rendered":"https:\/\/ideal-pro.com\/?p=11702"},"modified":"2026-03-27T05:14:06","modified_gmt":"2026-03-27T05:14:06","slug":"how-to-prevent-stress-cracking-in-plastic-product-design","status":"publish","type":"post","link":"https:\/\/ideal-pro.com\/ja\/\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u54c1\u306e\u8a2d\u8a08\u3067\u5fdc\u529b\u5272\u308c\u3092\u9632\u3050\u65b9\u6cd5\/","title":{"rendered":"\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u54c1\u8a2d\u8a08\u306b\u304a\u3051\u308b\u5fdc\u529b\u5272\u308c\u306e\u9632\u6b62\u65b9\u6cd5"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u5fdc\u529b\u4e80\u88c2\u306f\u3001\u81ea\u52d5\u8eca\u696d\u754c\u3067\u306f\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3067\u3042\u308b\u3002 <a href=\"https:\/\/ideal-pro.com\/ko\/injection-molding-wall-thickness-how-it-impacts-part-quality-cost\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1<\/a><sup id=\"fnref-1\"><a href=\"#fn-1\" class=\"footnote-ref\">1<\/a><\/sup> \u3053\u308c\u306f\u3001\u8cbb\u7528\u306e\u304b\u304b\u308b\u30ea\u30b3\u30fc\u30eb\u3084\u88fd\u54c1\u306e\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6839\u672c\u7684\u306a\u539f\u56e0\u3092\u7406\u89e3\u3057\u3001\u30b9\u30de\u30fc\u30c8\u306a\u8a2d\u8a08\u539f\u5247\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u5185\u90e8\u5fdc\u529b\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u30013\u3064\u306e\u91cd\u8981\u306a\u5206\u91ce\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\uff1a <strong>\u90e8\u54c1\u5f62\u72b6<\/strong>, <strong>\u30e1\u30bf\u30eb\u30fb\u30a4\u30f3\u30b5\u30fc\u30c8\u306e\u7d71\u5408<\/strong>, \u305d\u3057\u3066 <strong>\u30db\u30fc\u30eb\u30c7\u30b6\u30a4\u30f3<\/strong>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ideal-pro.com\/wp-content\/uploads\/2026\/03\/optimized-plastic-part-design-with-rounded-corners-to-prevent-stress-cracking.jpg\" alt=\"\u30b9\u30c8\u30ec\u30b9\u30af\u30e9\u30c3\u30af\u3092\u9632\u3050\u305f\u3081\u306b\u89d2\u3092\u4e38\u304f\u3057\u305f\u6700\u9069\u5316\u3055\u308c\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u8a2d\u8a08\u30b9\u30c8\u30ec\u30b9\u30af\u30e9\u30c3\u30af\u3092\u9632\u3050\u305f\u3081\u306b\u89d2\u3092\u4e38\u304f\u3057\u305f\u6700\u9069\u5316\u3055\u308c\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u8a2d\u8a08\"><\/p>\n<hr>\n<h2>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u5f62\u72b6\u3068\u5bf8\u6cd5\u306e\u6700\u9069\u5316<\/h2>\n<p>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u5f62\u72b6\u306f\u3001\u51b7\u5374\u4e2d\u3084\u4f7f\u7528\u4e2d\u306b\u5185\u90e8\u5fdc\u529b\u304c\u3069\u306e\u3088\u3046\u306b\u5206\u6563\u3055\u308c\u308b\u304b\u306b\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u4e3b\u8981\u8a2d\u8a08\u539f\u5247<\/h3>\n<ul>\n<li><strong>\u7d99\u7d9a\u6027\u3092\u7dad\u6301\u3059\u308b\uff1a<\/strong> \u88fd\u54c1\u306e\u5916\u5f62\u304c\u3067\u304d\u308b\u3060\u3051\u9023\u7d9a\u3057\u305f\u307e\u307e\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/li>\n<li><strong>\u30b9\u30c8\u30ec\u30b9\u306e\u96c6\u4e2d\u3092\u907f\u3051\u308b\uff1a<\/strong> \u92ed\u89d2\u3001\u76f4\u89d2\u3001\u5207\u308a\u6b20\u304d\u3001\u65ad\u9762\u7a4d\u306e\u6025\u6fc0\u306a\u5909\u5316\u306f\u53b3\u7981\u3002.<\/li>\n<li><strong>\u30d5\u30a3\u30ec\u30c3\u30c8\u306e\u534a\u5f84\uff1a<\/strong>\n<ul>\n<li><strong>\u30a4\u30f3\u30ca\u30fc\u30b3\u30fc\u30ca\u30fc\uff1a<\/strong> \u5185\u5074\u306e\u30d5\u30a3\u30ec\u30c3\u30c8\u534a\u5f84\u306f <strong>70%\u3088\u308a\u5927\u304d\u3044<\/strong> \u3088\u308a\u8584\u3044\u96a3\u306e\u58c1\u306e\u539a\u3055\u306e\u3002.<\/li>\n<li><strong>\u30a2\u30a6\u30bf\u30fc\u30fb\u30b3\u30fc\u30ca\u30fc<\/strong> \u5747\u4e00\u306a\u8089\u539a\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u90e8\u54c1\u5168\u4f53\u306e\u5f62\u72b6\u306b\u57fa\u3065\u3044\u3066\u6c7a\u5b9a\u3059\u308b\u3002.<\/li>\n<\/ul><\/li>\n<\/ul>\n<h3>\u8089\u539a\u306e\u7ba1\u7406<\/h3>\n<p>\u8089\u539a\u306b\u3070\u3089\u3064\u304d\u304c\u3042\u308b\u3068\u3001\u51b7\u5374\u901f\u5ea6\u306b\u3070\u3089\u3064\u304d\u304c\u751f\u3058\u308b\u3002 <strong>\u51b7\u5374\u5185\u90e8\u5fdc\u529b<\/strong> \u305d\u3057\u3066 <strong>\u914d\u5411\u5185\u90e8\u5fdc\u529b<\/strong>.<\/p>\n<ul>\n<li><strong>\u5747\u4e00\u6027\u304c\u9375\uff1a<\/strong> \u53ef\u80fd\u306a\u9650\u308a\u8089\u539a\u304c\u5747\u4e00\u306a\u90e8\u54c1\u3092\u8a2d\u8a08\u3059\u308b\u3002.<\/li>\n<li><strong>\u5f90\u3005\u306b\u79fb\u884c\u3059\u308b\uff1a<\/strong> \u539a\u3055\u306e\u3070\u3089\u3064\u304d\u304c\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <strong>\u6f38\u9032\u7684\u79fb\u884c<\/strong> \u5fdc\u529b\u96c6\u4e2d\u3092\u6700\u5c0f\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u539a\u3044\u90e8\u5206\u3068\u8584\u3044\u90e8\u5206\u306e\u9593\u306b\u3042\u308b\u3002.<\/li>\n<\/ul>\n<hr>\n<h2>\u30e1\u30bf\u30eb\u30a4\u30f3\u30b5\u30fc\u30c8\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306b\u91d1\u5c5e\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u306f\u3001\u71b1\u81a8\u5f35\u306e\u9055\u3044\u306b\u3088\u308b\u5927\u304d\u306a\u8ab2\u984c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306f\u901a\u5e38 <strong>\u71b1\u81a8\u5f35\u4fc2\u6570\uff08CTE\uff09\u304c5\uff5e10\u500d\u9ad8\u3044<\/strong> \u91d1\u5c5e\u3088\u308a\u3082\u3002.<\/p>\n<p>\u51b7\u5374\u4e2d\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306f\u91d1\u5c5e\u3088\u308a\u3082\u53ce\u7e2e\u3057\u3001\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u5f37\u304f\u3064\u304b\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a <strong>\u5727\u7e2e\u5fdc\u529b<\/strong> \u5185\u5074\u306e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u5c64\u3068 <strong>\u5f15\u5f35\u5fdc\u529b<\/strong> \u5916\u5c64\u306e\u3072\u3073\u5272\u308c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<h3>\u633f\u5165\u306b\u3088\u308b\u30b9\u30c8\u30ec\u30b9\u3092\u6700\u5c0f\u5316\u3059\u308b\u6226\u7565<\/h3>\n<p>\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30fb\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ol>\n<li><strong>\u7d20\u6750\u306e\u9078\u629e\uff1a<\/strong>\n<ul>\n<li>\u53ef\u80fd\u306a\u9650\u308a\u3001\u91d1\u5c5e\u88fd\u30a4\u30f3\u30b5\u30fc\u30c8\u3092 <strong>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30a4\u30f3\u30b5\u30fc\u30c8<\/strong>.<\/li>\n<li>\u91d1\u5c5e\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306b\u8fd1\u3044CTE\u3092\u6301\u3064\u6750\u6599\u3092\u9078\u3076\u3002 <strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0<\/strong>, <strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5408\u91d1<\/strong>, \u3042\u308b\u3044\u306f <strong>\u9285<\/strong>.<\/li>\n<\/ul><\/li>\n<li><strong>\u30d0\u30c3\u30d5\u30a1\u30fc\u30fb\u30ec\u30a4\u30e4\u30fc\uff1a<\/strong> \u3092\u9069\u7528\u3059\u308b\u3002 <strong>\u30b4\u30e0\u307e\u305f\u306f\u30dd\u30ea\u30a6\u30ec\u30bf\u30f3\u5f3e\u6027\u30d0\u30c3\u30d5\u30a1\u30fc\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong> \u3092\u91d1\u5c5e\u30a4\u30f3\u30b5\u30fc\u30c8\u306b\u633f\u5165\u3059\u308b\u3002\u3053\u306e\u5c64\u304c\u6210\u5f62\u4e2d\u306b\u6eb6\u3051\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3001\u53ce\u7e2e\u5dee\u3092\u52b9\u679c\u7684\u306b\u6e1b\u3089\u3059\u3002.<\/li>\n<li><strong>\u8868\u9762\u51e6\u7406\uff1a<\/strong>\n<ul>\n<li>\u51fa\u6f14 <strong>\u8131\u8102\u51e6\u7406<\/strong> \u91d1\u5c5e\u88fd\u30a4\u30f3\u30b5\u30fc\u30c8\u3067\u3001\u30aa\u30a4\u30eb\u306e\u4fc3\u9032\u3092\u9632\u3050 <a href=\"https:\/\/ideal-pro.com\/ja\/no-more-cracks-in-injection-molded-parts-heres-why-they-happen-and-how-to-fix-them\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5fdc\u529b\u5272\u308c<\/a><sup id=\"fnref-2\"><a href=\"#fn-2\" class=\"footnote-ref\">2<\/a><\/sup>.<\/li>\n<li><strong>\u30d7\u30ea\u30d2\u30fc\u30c8<\/strong> \u71b1\u885d\u6483\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u6210\u5f62\u524d\u306b\u91d1\u5c5e\u30a4\u30f3\u30b5\u30fc\u30c8\u3092\u633f\u5165\u3059\u308b\u3002.<\/li>\n<\/ul><\/li>\n<li><strong>\u5f62\u72b6\u3068\u539a\u307f\uff1a<\/strong>\n<ul>\n<li>\u30a4\u30f3\u30b5\u30fc\u30c8\u306e\u5468\u56f2\u306b\u5341\u5206\u306a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306e\u539a\u307f\u3092\u78ba\u4fdd\u3059\u308b\u3002.\n<ul>\n<li>\u306b\u3064\u3044\u3066 <strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u88fd\u30a4\u30f3\u30b5\u30fc\u30c8<\/strong>:\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u539a\u307f\uff08$h$\uff09 $ge$ <strong>0.8 $imes$\u30a4\u30f3\u30b5\u30fc\u30c8\u5f84\uff08$D$\uff09<\/strong>.<\/li>\n<li>\u306b\u3064\u3044\u3066 <strong>\u9285\u88fd\u30a4\u30f3\u30b5\u30fc\u30c8<\/strong>:\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u539a\u307f\uff08$h$\uff09 $ge$ <strong>0.9 $imes$\u30a4\u30f3\u30b5\u30fc\u30c8\u5f84\uff08$D$\uff09<\/strong>.<\/li>\n<\/ul><\/li>\n<li>\u30c7\u30b6\u30a4\u30f3\u30a4\u30f3\u30b5\u30fc\u30c8 <strong>\u6ed1\u3089\u304b\u306a\u5f62\u72b6<\/strong>, \u3067\u304d\u308c\u3070\u4e0a\u8cea\u306a\u3082\u306e\u3092 <strong>\u30ca\u30fc\u30ea\u30f3\u30b0<\/strong> \u92ed\u5229\u306a\u30a8\u30c3\u30b8\u306e\u306a\u3044\u6a5f\u68b0\u7684\u7d50\u5408\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002.<\/li>\n<\/ul><\/li>\n<\/ol>\n<hr>\n<h2>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u6226\u7565\u7684\u7a74\u8a2d\u8a08<\/h2>\n<p>\u7a74\u306e\u5f62\u72b6\u3001\u6570\u3001\u4f4d\u7f6e\u306f\u5fdc\u529b\u96c6\u4e2d\u30ec\u30d9\u30eb\u306b\u5927\u304d\u304f\u5f71\u97ff\u3059\u308b\u3002.<\/p>\n<h3>\u30db\u30fc\u30eb\u5f62\u72b6\u306e\u30eb\u30fc\u30eb<\/h3>\n<ul>\n<li><strong>\u89d2\u5f35\u3063\u305f\u5f62\u306f\u907f\u3051\u308b\uff1a<\/strong> \u6c7a\u3057\u3066\u4f7f\u7528\u3057\u306a\u3044\u3053\u3068 <strong>\u89d2\u67f1\u3001\u9577\u65b9\u5f62\u3001\u6b63\u65b9\u5f62\u3001\u591a\u89d2\u5f62\u306e\u7a74<\/strong>, \u89d2\u304c\u5fdc\u529b\u3092\u96c6\u4e2d\u3055\u305b\u308b\u304b\u3089\u3060\u3002.<\/li>\n<li><strong>\u597d\u307f\u306e\u5f62\uff1a<\/strong>\n<ul>\n<li><strong>\u5186\u5f62\u306e\u7a74\uff1a<\/strong> \u5b9a\u756a\u306e\u5b89\u5168\u306a\u9078\u629e\u3060\u3002.<\/li>\n<li><strong>\u6955\u5186\u5f62\u306e\u7a74\uff1a<\/strong> \u3057\u3070\u3057\u3070 <strong>\u6700\u3082\u52b9\u679c\u7684<\/strong> \u89e3\u6c7a\u7b56\u306e\u5411\u304d\u3092\u5909\u3048\u308b\u3002 <strong>\u5916\u529b\u306e\u65b9\u5411\u306b\u5e73\u884c\u306a\u6955\u5186\u306e\u9577\u8ef8<\/strong>.<\/li>\n<\/ul><\/li>\n<\/ul>\n<h3>\u30b9\u30c8\u30ec\u30b9\u5206\u6563\u306e\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n<p>\u5186\u5f62\u306e\u7a74\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6955\u5186\u5f62\u306e\u7a74\u306e\u5229\u70b9\u3092\u6a21\u5023\u3059\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b\uff1a<\/p>\n<ul>\n<li><strong>\u88dc\u52a9\u30d7\u30ed\u30bb\u30b9\u30db\u30fc\u30eb\uff1a<\/strong> \u30e1\u30a4\u30f3\u30db\u30fc\u30eb\u306b\u96a3\u63a5\u3057\u3066\u3001\u7b49\u3057\u3044\u76f4\u5f84\u306e\u30d7\u30ed\u30bb\u30b9\u30db\u30fc\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3002\u7a74\u306e\u4f4d\u7f6e\u3092\u5408\u308f\u305b\u308b\u3002 <strong>\u5916\u529b\u306b\u5e73\u884c\u306a\u7a74\u3092\u7d50\u3076\u4e2d\u5fc3\u7dda<\/strong>.<\/li>\n<li><strong>\u5bfe\u79f0\u30b9\u30ed\u30c3\u30c8\uff1a<\/strong> \u5185\u90e8\u5fdc\u529b\u3092\u52b9\u679c\u7684\u306b\u5206\u6563\u3055\u305b\u308b\u305f\u3081\u3001\u5186\u5f62\u306e\u7a74\u306e\u5468\u56f2\u306b\u5bfe\u79f0\u7684\u306a\u6e9d\u3092\u5165\u308c\u308b\u3002.<\/li>\n<\/ul>\n<hr>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5fdc\u529b\u4e80\u88c2\u306e\u9632\u6b62\u306f\u88fd\u56f3\u677f\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u539f\u5247\u3092\u5b88\u308b\u3053\u3068\u3067 <strong>\u5e7e\u4f55\u5b66\u7684\u9023\u7d9a\u6027<\/strong>, \u614e\u91cd\u306b\u7ba1\u7406\u3059\u308b <strong>\u30e1\u30bf\u30eb\u30fb\u30a4\u30f3\u30b5\u30fc\u30c8\u30fb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9<\/strong>, \u305d\u3057\u3066\u6700\u9069\u5316 <strong>\u7a74\u306e\u69cb\u6210<\/strong>, \u8a2d\u8a08\u8005\u306f\u3001\u5b9f\u4e16\u754c\u306e\u9700\u8981\u306b\u8010\u3048\u308b\u5805\u7262\u306a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u54c1\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6226\u7565\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u54c1\u306e\u5bff\u547d\u3092\u5411\u4e0a\u3055\u305b\u3001\u6545\u969c\u7387\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<hr><div class=\"footnotes\"><hr><ol><li id=\"fn-1\"><p>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u306e\u8010\u4e45\u6027\u3068\u6027\u80fd\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u8a2d\u8a08\u624b\u6cd5\u3092\u767a\u898b\u3059\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>\u5fdc\u529b\u4e80\u88c2\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u9ad8\u4fa1\u306a\u88fd\u54c1\u306e\u4e0d\u5177\u5408\u3092\u9632\u3050\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.\r <a href=\"#fnref-2\" class=\"footnote-backref\">&#8617;<\/a><\/p><\/li><\/ol><\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Stress cracking is a common failure mode in plastic components1 that can lead to costly recalls and product failures. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11707,"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 Prevent Stress Cracking in Plastic Product Design","_seopress_titles_desc":"Discover expert strategies to prevent stress cracking in plastic products through optimal design. Learn about wall thickness, metal inserts, and hole geometry to enhance durability and SEO your engineering blog.","_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":[139],"class_list":["post-11702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-stress-cracking"],"acf":[],"_links":{"self":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/11702","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=11702"}],"version-history":[{"count":5,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/11702\/revisions"}],"predecessor-version":[{"id":11736,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/posts\/11702\/revisions\/11736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/media\/11707"}],"wp:attachment":[{"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/media?parent=11702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/categories?post=11702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ideal-pro.com\/ja\/wp-json\/wp\/v2\/tags?post=11702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}