{"id":603,"date":"2018-10-17T00:14:55","date_gmt":"2018-10-16T16:14:55","guid":{"rendered":"https:\/\/plasticmoldco.com\/?p=603"},"modified":"2018-10-17T00:14:55","modified_gmt":"2018-10-16T16:14:55","slug":"chapter-25-1-residual-stress","status":"publish","type":"post","link":"https:\/\/www.plasticmoldco.com\/ja\/2018\/10\/17\/\u7b2c25\u7ae0-1-\u6b8b\u7559\u5fdc\u529b\/","title":{"rendered":"\u7b2c25-1\u7ae0\u6b8b\u7559\u5fdc\u529b"},"content":{"rendered":"<h1>\u53ce\u7e2e\u3068\u53cd\u308a\u306e\u554f\u984c\u306e\u539f\u56e0<\/h1>\n<p>\u6b8b\u7559\u5fdc\u529b\u3068\u306f\u3001\u6210\u5f62\u54c1\u306b\u51cd\u7d50\u3057\u3066\u3044\u308b\u52a0\u5de5\u8a98\u8d77\u5fdc\u529b\u306e\u3053\u3068\u3067\u3059\u3002\u6b8b\u7559\u5fdc\u529b\u306b\u306f\u6d41\u52d5\u8a98\u8d77\u306e\u3082\u306e\u3068\u71b1\u8a98\u8d77\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u6b8b\u7559\u5fdc\u529b\u306f\u3001\u5916\u90e8\u304b\u3089\u52a0\u3048\u3089\u308c\u308b\u5fdc\u529b\u3068\u540c\u69d8\u306b\u90e8\u54c1\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6b8b\u7559\u5fdc\u529b\u304c\u90e8\u54c1\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u306b\u6253\u3061\u52dd\u3064\u307b\u3069\u5f37\u3044\u5834\u5408\u3001\u5916\u90e8\u304b\u3089\u306e\u4f7f\u7528\u8377\u91cd\u304c\u52a0\u308f\u308b\u3068\u3001\u90e8\u54c1\u306f\u5c04\u51fa\u6642\u306b\u53cd\u3063\u305f\u308a\u3001\u5f8c\u306b\u5272\u308c\u305f\u308a\u3057\u307e\u3059\u3002\u6b8b\u7559\u5fdc\u529b\u306f\u3001\u90e8\u54c1\u306e\u53ce\u7e2e\u3068\u53cd\u308a\u306e\u4e3b\u306a\u539f\u56e0\u3067\u3059\u3002\u30ad\u30e3\u30d3\u30c6\u30a3\u5145\u586b\u6642\u306e\u305b\u3093\u65ad\u5fdc\u529b\u3092\u4f4e\u6e1b\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u6761\u4ef6\u3084\u8a2d\u8a08\u8981\u7d20\u306f\u3001\u6d41\u52d5\u306b\u8d77\u56e0\u3059\u308b\u6b8b\u7559\u5fdc\u529b\u306e\u4f4e\u6e1b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u5341\u5206\u306a\u5145\u586b\u3068\u5747\u4e00\u306a\u91d1\u578b\u51b7\u5374\u3092\u4fc3\u9032\u3059\u308b\u5de5\u7a0b\u6761\u4ef6\u306f\u3001\u71b1\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u7e4a\u7dad\u5145\u586b\u6750\u6599\u306e\u5834\u5408\u3001\u5747\u4e00\u306a\u6a5f\u68b0\u7684\u7279\u6027\u3092\u4fc3\u9032\u3059\u308b\u5de5\u7a0b\u6761\u4ef6\u306f\u3001\u71b1\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u00a0<a title=\"\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc<\/a><\/p>\n<h1>\u6d41\u52d5\u8a98\u8d77\u6b8b\u7559\u5fdc\u529b<\/h1>\n<p>\u5fdc\u529b\u306e\u304b\u304b\u3063\u3066\u3044\u306a\u3044\u9577\u9396\u30dd\u30ea\u30de\u30fc\u5206\u5b50\u306f\u3001\u6eb6\u878d\u6e29\u5ea6\u3088\u308a\u9ad8\u3044\u6e29\u5ea6\uff08\u3059\u306a\u308f\u3061\u6eb6\u878d\u72b6\u614b\uff09\u3067\u306f\u3001\u5e73\u8861\u306e\u30e9\u30f3\u30c0\u30e0\u30b3\u30a4\u30eb\u72b6\u614b\u306b\u306a\u308b\u50be\u5411\u304c\u3042\u308b\u3002\u52a0\u5de5\u4e2d\u3001\u30dd\u30ea\u30de\u30fc\u306f\u526a\u65ad\u3055\u308c\u3066\u4f38\u9577\u3059\u308b\u305f\u3081\u3001\u5206\u5b50\u306f\u6d41\u308c\u65b9\u5411\u306b\u914d\u5411\u3059\u308b\u3002\u30dd\u30ea\u30de\u30fc\u5206\u5b50\u304c\u5e73\u8861\u72b6\u614b\u307e\u3067\u5b8c\u5168\u306b\u5f1b\u7de9\u3059\u308b\u524d\u306b\u51dd\u56fa\u304c\u8d77\u3053\u308b\u3068\u3001\u5206\u5b50\u914d\u5411\u306f\u30dd\u30ea\u30de\u30fc\u5206\u5b50\u5185\u306b\u56fa\u5b9a\u3055\u308c\u308b\u3002<br \/>\n\u6210\u5f62\u90e8\u54c1\u3002\u3053\u306e\u7a2e\u306e\u51cd\u7d50\u5fdc\u529b\u72b6\u614b\u306f\u3001\u3057\u3070\u3057\u3070\u6d41\u52d5\u8a98\u8d77\u6b8b\u7559\u5fdc\u529b\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u6d41\u52d5\u65b9\u5411\u306b\u5206\u5b50\u914d\u5411\u304c\u5f15\u304d\u4f38\u3070\u3055\u308c\u308b\u305f\u3081\u3001\u6d41\u52d5\u65b9\u5411\u306b\u5e73\u884c\u306a\u65b9\u5411\u3068\u5782\u76f4\u306a\u65b9\u5411\u3067\u53ce\u7e2e\u7387\u3084\u6a5f\u68b0\u7684\u6027\u8cea\u306b\u7570\u65b9\u6027\u3001\u4e0d\u5747\u4e00\u6027\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n<h2>\u51cd\u308a\u3064\u3044\u305f\u5206\u5b50\u914d\u5411<\/h2>\n<p>\u9ad8\u3044\u305b\u3093\u65ad\u5fdc\u529b\u3068\u91d1\u578b\u58c1\u306b\u96a3\u63a5\u3059\u308b\u9ad8\u3044\u51b7\u5374\u901f\u5ea6\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u90e8\u54c1\u8868\u9762\u306e\u76f4\u4e0b\u306b\u51cd\u7d50\u3057\u305f\u9ad8\u914d\u5411\u5c64\u304c\u5b58\u5728\u3059\u308b\u3002\u3053\u308c\u3092\u56f31\u306b\u793a\u3059\u3002\u9ad8\u6b8b\u7559\u6d41\u52d5\u5fdc\u529b\uff08\u307e\u305f\u306f\u51cd\u7d50\u3057\u305f\u914d\u5411\uff09\u3092\u6709\u3059\u308b\u90e8\u54c1\u306f\u3001\u305d\u306e\u5f8c\u9ad8\u6e29\u306b\u66dd\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5fdc\u529b\u306e\u4e00\u90e8\u304c\u7de9\u548c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u90e8\u54c1\u306e\u53ce\u7e2e\u3084\u53cd\u308a\u304c\u751f\u3058\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u51cd\u7d50\u5c64\u306e\u65ad\u71b1\u52b9\u679c\u306b\u3088\u308a\u3001\u30db\u30c3\u30c8\u30b3\u30a2\u5185\u306e\u30dd\u30ea\u30de\u30fc\u6eb6\u878d\u7269\u306f\u3088\u308a\u9ad8\u5ea6\u306b\u7de9\u548c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f4e\u5206\u5b50\u914d\u5411\u9818\u57df\u304c\u5f62\u6210\u3055\u308c\u308b\u3002\u00a0<a title=\"\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1303\" title=\"\u51cd\u7d50\u5206\u5b50\u30aa\u30ea\u30a8\u30f3\u30bf\" src=\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\" alt=\"\u51cd\u7d50\u5206\u5b50\u30aa\u30ea\u30a8\u30f3\u30bf\" width=\"579\" height=\"258\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u56f31.<\/strong>\u00a0\u5145\u586b\u30fb\u5305\u88c5\u6bb5\u968e\u3067\u306e\u5206\u5b50\u914d\u5411\u306e\u51cd\u7d50\u306b\u3088\u308b\u6b8b\u7559\u6d41\u52d5\u5fdc\u529b\u306e\u767a\u751f\u3002<br \/>\n(1) \u9ad8\u51b7\u5374\u3001\u305b\u3093\u65ad\u3001\u914d\u5411\u30be\u30fc\u30f3 (2) \u4f4e\u51b7\u5374\u3001\u305b\u3093\u65ad\u3001\u914d\u5411\u30be\u30fc\u30f3<\/p>\n<h2>\u30d5\u30ed\u30fc\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u306e\u4f4e\u6e1b<\/h2>\n<p>\u6eb6\u878d\u7269\u306e\u305b\u3093\u65ad\u5fdc\u529b\u3092\u4f4e\u6e1b\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u6761\u4ef6\u306f\u3001\u6d41\u52d5\u8a98\u8d77\u6b8b\u7559\u5fdc\u529b\u306e\u30ec\u30d9\u30eb\u3092\u4f4e\u6e1b\u3059\u308b\u3002\u4e00\u822c\u306b\u3001\u6d41\u52d5\u8a98\u8d77\u6b8b\u7559\u5fdc\u529b\u306f\u71b1\u8a98\u8d77\u6b8b\u7559\u5fdc\u529b\u3088\u308a\u30821\u6841\u5c0f\u3055\u3044\u3002\u00a0<a title=\"\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">\u4e2d\u56fd\u91d1\u578b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc<\/a><\/p>\n<ul>\n<li>\u3088\u308a\u9ad8\u3044\u6eb6\u878d\u6e29\u5ea6<\/li>\n<li>\u91d1\u578b\u58c1\u6e29\u5ea6\u306e\u4e0a\u6607<\/li>\n<li>\u5145\u586b\u6642\u9593\u304c\u9577\u3044\uff08\u6eb6\u878d\u901f\u5ea6\u304c\u4f4e\u3044\uff09<\/li>\n<li>\u30d1\u30c3\u30ad\u30f3\u30b0\u5727\u306e\u4f4e\u4e0b<\/li>\n<li>\u3088\u308a\u77ed\u3044\u6d41\u8def\u3002<\/li>\n<\/ul>\n<h1>\u00a0\u71b1\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b<\/h1>\n<p>\u71b1\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u306f\u6b21\u306e\u3088\u3046\u306a\u7406\u7531\u3067\u767a\u751f\u3059\u308b\uff1a<\/p>\n<ul>\n<li>\u30d7\u30ed\u30bb\u30b9\u8a2d\u5b9a\u6e29\u5ea6\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u5b8c\u4e86\u6642\u306b\u5230\u9054\u3059\u308b\u5468\u56f2\u6761\u4ef6\u307e\u3067\u6e29\u5ea6\u304c\u4e0b\u304c\u308b\u3068\u3001\u6750\u6599\u306f\u53ce\u7e2e\u3059\u308b\u3002<\/li>\n<li>\u6750\u6599\u304c\u92f3\u578b\u306e\u58c1\u304b\u3089\u4e2d\u5fc3\u306b\u5411\u304b\u3063\u3066\u51dd\u56fa\u3059\u308b\u969b\u3001\u6750\u6599\u8981\u7d20\u306f\u7570\u306a\u308b\u71b1\u6a5f\u68b0\u5c65\u6b74\uff08\u4f8b\u3048\u3070\u3001\u7570\u306a\u308b\u51b7\u5374\u901f\u5ea6\u3084\u5145\u586b\u5727\u529b\uff09\u3092\u7d4c\u9a13\u3059\u308b\u3002<\/li>\n<li>\u5727\u529b\u3001\u6e29\u5ea6\u3001\u5206\u5b50\u3084\u7e4a\u7dad\u306e\u914d\u5411\u304c\u5909\u5316\u3059\u308b\u3068\u3001\u5bc6\u5ea6\u3084\u6a5f\u68b0\u7684\u7279\u6027\u304c\u5909\u5316\u3059\u308b\u3002<\/li>\n<li>\u7279\u5b9a\u306e\u91d1\u578b\u5236\u7d04\u306b\u3088\u308a\u3001\u6210\u5f62\u54c1\u306f\u5e73\u9762\u65b9\u5411\u306b\u53ce\u7e2e\u3057\u306a\u3044\u3002<\/li>\n<\/ul>\n<h2>\u30d5\u30ea\u30fc\u30af\u30a8\u30f3\u30c1\u306e\u4f8b<\/h2>\n<p>\u5c04\u51fa\u6210\u5f62\u4e2d\u306e\u6750\u6599\u306e\u53ce\u7e2e\u306f\u3001\u6e29\u5ea6\u304c\u5747\u4e00\u306a\u90e8\u54c1\u304c\u7a81\u7136\u51b7\u305f\u3044\u91d1\u578b\u58c1\u3067\u631f\u307e\u308c\u308b\u30d5\u30ea\u30fc\u30af\u30a8\u30f3\u30c1\u306e\u4f8b\u3067\u7c21\u4fbf\u306b\u793a\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u5916\u5074\u306e\u8868\u9762\u5c64\u304c\u51b7\u3048\u3066\u53ce\u7e2e\u3057\u59cb\u3081\u308b\u521d\u671f\u306e\u51b7\u5374\u6bb5\u968e\u3067\u306f\u3001\u9ad8\u6e29\u306e\u30b3\u30a2\u306e\u30dd\u30ea\u30de\u30fc\u306e\u5927\u90e8\u5206\u306f\u307e\u3060\u6eb6\u3051\u3066\u304a\u308a\u3001\u81ea\u7531\u306b\u53ce\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5185\u90e8\u30b3\u30a2\u304c\u51b7\u3048\u308b\u306b\u3064\u308c\u3066\u3001\u5c40\u6240\u7684\u306a\u71b1\u53ce\u7e2e\u306f\u3059\u3067\u306b\u786c\u3044\u5916\u90e8\u5c64\u306b\u3088\u3063\u3066\u62d8\u675f\u3055\u308c\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u4e0b\u306e\u56f32\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u30b3\u30a2\u306e\u5f35\u529b\u3068\u5916\u5c64\u306e\u5727\u7e2e\u304c\u91e3\u308a\u5408\u3063\u305f\u5178\u578b\u7684\u306a\u5fdc\u529b\u5206\u5e03\u72b6\u614b\u306b\u306a\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1304\" title=\"\u30d5\u30ea\u30fc\u30af\u30a8\u30f3\u30c1\u30f3\u30b0\u306e\u4f8b\" src=\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Free-quenching-example.gif\" alt=\"\u30d5\u30ea\u30fc\u30af\u30a8\u30f3\u30c1\u30f3\u30b0\u306e\u4f8b\" width=\"579\" height=\"258\" \/><\/p>\n<p><strong>\u56f32.<\/strong>\u00a0\u6210\u5f62\u54c1\u5168\u4f53\u306e\u51b7\u5374\u306e\u3070\u3089\u3064\u304d\u3068\u3001\u6e29\u5ea6\u5c65\u6b74\u306b\u5bfe\u3059\u308b\u6750\u6599\u306e\u53cd\u5fdc\u306b\u8d77\u56e0\u3059\u308b\u3001\u300c\u81ea\u7531\u713c\u5165\u308c\u300d\u90e8\u54c1\u306e\u6b8b\u7559\u71b1\u5fdc\u529b\u306e\u767a\u751f\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>A culprit in shrinkage and warpage problems Residual stress is a process-induced stress, frozen in a molded part. It can be either\u00a0flow-induced or thermal-induced. Residual stresses affect a part similarly to externally applied stresses. If they are strong enough to overcome the structural integrity of the part, the part will warp upon ejection, or later crack, when external service load is applied. Residual stresses are the main cause of part shrinkage and warpage. The process conditions and design elements that reduce shear stress during cavity filling will help to reduce flow-induced residual stress. Likewise, those that promote sufficient packing and uniform mold cooling will reduce thermal-induced residual stress. For fiber-filled [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-603","post","type-post","status-publish","format-standard","hentry","category-mould-technology-blog-1"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chapter 25-1, Residual stress - Plastic Mold | China Mold Maker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.plasticmoldco.com\/ja\/2018\/10\/17\/kapitel-25-1-restspanning\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chapter 25-1, Residual stress - Plastic Mold | China Mold Maker\" \/>\n<meta property=\"og:description\" content=\"A culprit in shrinkage and warpage problems Residual stress is a process-induced stress, frozen in a molded part. 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