{"id":600,"date":"2018-10-17T00:14:39","date_gmt":"2018-10-16T16:14:39","guid":{"rendered":"https:\/\/plasticmoldco.com\/?p=600"},"modified":"2018-10-17T00:14:39","modified_gmt":"2018-10-16T16:14:39","slug":"chapter-25-2-residual-stress-china-injection-mold","status":"publish","type":"post","link":"https:\/\/www.plasticmoldco.com\/ko\/2018\/10\/17\/25\uc7a5-2-\uc794\ub958-\uc751\ub825-\uc911\uad6d-\uc0ac\ucd9c-\uae08\ud615\/","title":{"rendered":"25-2\uc7a5, \uc794\ub958 \uc751\ub825, \uc911\uad6d \uc0ac\ucd9c \uae08\ud615"},"content":{"rendered":"<h1>\ubd88\uade0\ud615 \ub0c9\uac01<\/h1>\n<p>\uae08\ud615 \ubcbd\uc5d0\uc11c \uc911\uc559\uc73c\ub85c \uc5f4 \uc720\ub3c4 \uc794\ub958 \uc751\ub825\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ub450 \ud45c\uba74\uc758 \ub0c9\uac01 \uc18d\ub3c4\uac00 \ubd88\uade0\ud615\ud558\uba74 \ube44\ub300\uce6d\uc801\uc778 \uc5f4 \uc720\ub3c4 \uc794\ub958 \uc751\ub825\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd88\uade0\ud615 \ub0c9\uac01\uc740 \ubd80\ud488 \uc804\uccb4\uc5d0 \ube44\ub300\uce6d \uc778\uc7a5-\uc555\ucd95 \ud328\ud134\uc744 \ucd08\ub798\ud558\uc5ec \ubd80\ud488 \ud728\uc744 \uc720\ubc1c\ud558\ub294 \uad7d\ud798 \ubaa8\uba58\ud2b8\ub97c \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub294 \uc544\ub798 \uadf8\ub9bc 3\uc5d0 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub450\uaed8\uac00 \uade0\uc77c\ud558\uc9c0 \uc54a\uac70\ub098 \ub0c9\uac01\uc774 \uc81c\ub300\ub85c \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\ub294 \ubd80\ud488\uc740 \ub0c9\uac01 \ubd88\uade0\ud615\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc794\ub958 \uc5f4 \uc751\ub825\uc774 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uc911\uac04 \uc815\ub3c4\uc758 \ubcf5\uc7a1\ud55c \ubd80\ud488\uc758 \uacbd\uc6b0 \ubd88\uade0\uc77c\ud55c \ubcbd \ub450\uaed8, \uae08\ud615 \ub0c9\uac01, \uc790\uc720 \uc218\ucd95\uc5d0 \ub300\ud55c \uae08\ud615 \uc81c\uc57d\uc73c\ub85c \uc778\ud574 \uc5f4\ub85c \uc778\ud55c \uc794\ub958 \uc751\ub825 \ubd84\ud3ec\uac00 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1328\" title=\"\ubd88\uade0\ud615 \ub0c9\uac01\" src=\"https:\/\/web.archive.org\/web\/20130131102852im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Unbalanced-cooling.gif\" alt=\"\" width=\"584\" height=\"287\" \/><\/p>\n<h3>\uadf8\ub9bc 3. \uc131\ud615 \ubd80\ud488 \ub450\uaed8\uc758 \ubd88\uade0\ud615 \ub0c9\uac01\uc73c\ub85c \uc778\ud55c \ube44\ub300\uce6d \uc5f4 \uc720\ub3c4 \uc794\ub958 \uc751\ub825\uc73c\ub85c \uc778\ud574 \ubd80\ud488 \ub4a4\ud2c0\ub9bc\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/h3>\n<h2>\uac00\ubcc0 \ub3d9\uacb0 \ubc00\ub3c4<\/h2>\n<p>\uc544\ub798 \uadf8\ub9bc\uc740 \ud3ec\uc7a5 \uc555\ub825 \uc774\ub825\uc5d0 \ub530\ub978 \ub3d9\uacb0 \ubc00\ub3c4\uc758 \ubcc0\ud654\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<h3>\uc628\ub3c4 \ud504\ub85c\ud544<\/h3>\n<p>\uc67c\ucabd \uadf8\ub9bc\uc740 \ubd80\ud488\uc758 \ud55c \uc704\uce58\uc5d0\uc11c \uc628\ub3c4 \ud504\ub85c\ud30c\uc77c\uc744 \ud45c\uc2dc\ud55c \uac83\uc785\ub2c8\ub2e4. \uc124\uba85\uc744 \uc704\ud574 \ubd80\ud488\uc744 \ubd80\ud488 \ub450\uaed8 \uc804\uccb4\uc5d0 \uac78\uccd0 8\uac1c\uc758 \ub3d9\uc77c\ud55c \uce35\uc73c\ub85c \ub098\ub204\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ud504\ub85c\ud30c\uc77c\uc740 \uac01 \ub808\uc774\uc5b4(t1~t8)\uc758 \uc751\uace0(\ud504\ub9ac\uc988 \uc624\ud504) \uc2dc\uc810\uc758 \uc628\ub3c4\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc7ac\ub8cc\uac00 \ubc14\uae65\ucabd \ub808\uc774\uc5b4\ubd80\ud130 \uc751\uace0\ub418\uae30 \uc2dc\uc791\ud558\uace0 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ub3d9\uacb0\ub41c \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc548\ucabd\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc555\ub825 \ucd94\uc801<\/h3>\n<p>\uac00\uc6b4\ub370 \uadf8\ub9bc\uc740 \uac01 \uce35\uc774 \uc751\uace0\ub420 \ub54c\uc758 \uc555\ub825 \uc218\uc900(P1~P8)\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc77c\ubc18\uc801\uc778 \uc555\ub825 \uc774\ub825\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc555\ub825\uc740 \ucda9\uc804 \uc911\uc5d0 \uc11c\uc11c\ud788 \uc99d\uac00\ud558\uc5ec \ucd08\uae30 \ud3ec\uc7a5 \ub2e8\uacc4\uc5d0\uc11c \ucd5c\ub300\uc5d0 \ub3c4\ub2ec\ud55c \ud6c4 \ub0c9\uac01 \ubc0f \uac8c\uc774\ud2b8 \ub3d9\uacb0\ub85c \uc778\ud574 \ubd95\uad34\ub418\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc555\ub825 \uc218\uc900\uc774 \ub0ae\uc744 \ub54c \uc678\uce35\uacfc \uc911\uc559\uce35\uc758 \uc7ac\ub8cc\ub294 \uc751\uace0\ub418\ub294 \ubc18\uba74, \uc911\uac04\uce35\uc740 \ub192\uc740 \ud3ec\uc7a5 \uc555\ub825\uc5d0\uc11c \ub3d9\uacb0\ub429\ub2c8\ub2e4.<\/p>\n<h3>\ud2b9\uc815 \ubcfc\ub968 \uace0\uc815<\/h3>\n<p>\uc624\ub978\ucabd \uadf8\ub9bc\uc740 pvT \ud50c\ub86f\uc5d0\uc11c \ub808\uc774\uc5b4 5\uc758 \ud2b9\uc815 \ubcfc\ub968 \ud2b8\ub808\uc774\uc2a4\uc640 \ubaa8\ub4e0 \ub808\uc774\uc5b4\uc758 \ucd5c\uc885 \uace0\uc815\ub41c \ud2b9\uc815 \ubcfc\ub968\uc744 \ubc88\ud638\uac00 \ub9e4\uaca8\uc9c4 \uc194\ub9ac\ub4dc \uc6d0\uc73c\ub85c \ud45c\uc2dc\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1329\" title=\"\ud2b9\uc815 \ubcfc\ub968\uc5d0 \uace0\uc815\" src=\"https:\/\/web.archive.org\/web\/20130131102852im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-specific-volume.gif\" alt=\"\" width=\"680\" height=\"251\" \/><\/p>\n<h3>\uadf8\ub9bc 4. \"\ub3d9\uacb0\ub41c\" \ud2b9\uc815 \ubcfc\ub968\uc758 \uac1c\ubc1c\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778<br \/>\n\ucc28\ub4f1 \uc218\ucd95<\/h3>\n<p>\uace0\uc815\ub41c \ud2b9\uc815 \ubd80\ud53c\uac00 \uc8fc\uc5b4\uc9c0\uba74 \uc7ac\ub8cc \uc218\ucd95 \uac70\ub3d9\uc744 \uc9c0\ubc30\ud558\ub294 pvT \uace1\uc120\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \ub808\uc774\uc5b4\uac00 \ub2e4\ub974\uac8c \uc218\ucd95\ud569\ub2c8\ub2e4. \uac00\uc124\uc801\uc73c\ub85c \uac01 \ub808\uc774\uc5b4\uac00 \ub2e4\ub978 \ub808\uc774\uc5b4\uc5d0\uc11c \ubd84\ub9ac\ub418\uc5b4 \uc788\ub2e4\uba74(\uadf8\ub9bc 5 \ucc38\uc870) \uc544\ub798 \uc67c\ucabd \uadf8\ub9bc\uc758 \uba38\ud2f0\ub9ac\uc5bc \uc694\uc18c\ub294 \uac00\uc6b4\ub370 \uadf8\ub9bc\uacfc \uac19\uc774 \uc904\uc5b4\ub4e4\uc5c8\uc744 \uac83\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uc911\uac04 \ub808\uc774\uc5b4\ub294 \ub3d9\uacb0 \ube44 \uc6a9\uc801\uc774 \ub0ae\uae30 \ub54c\ubb38\uc5d0(\ub610\ub294 \ub3d9\uacb0 \ubc00\ub3c4\uac00 \ub192\uae30 \ub54c\ubb38\uc5d0) \ub2e4\ub978 \ub808\uc774\uc5b4\ubcf4\ub2e4 \ub35c \uc218\ucd95\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c\ub294 \ubaa8\ub4e0 \ub808\uc774\uc5b4\uac00 \ud568\uaed8 \ubb36\uc5ec \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucd5c\uc885 \uacb0\uacfc\ub294 \uc911\uac04\uce35\uc740 \uc555\ucd95\ub418\uace0 \ubc14\uae65\ucabd \ubc0f \uc911\uc2ec\uce35\uc740 \ub298\uc5b4\ub098\ub294 \uc808\ucda9\ub41c \uc218\ucd95 \ubd84\ud3ec\uac00 \ub429\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Unbalanced cooling from the mold wall to its center can cause thermal-induced residual stress. Furthermore, asymmetrical thermal-induced residual stress can occur if the cooling rate of the two surfaces is unbalanced. Such unbalanced cooling will result in an asymmetric tension-compression pattern across the part, causing a bending moment that tends to cause part warpage. This [&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-600","post","type-post","status-publish","format-standard","hentry","category-mould-technology-blog-1"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chapter 25-2, Residual stress, china injection mold - 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\/ko\/2018\/10\/17\/25-2-fejezet-marado-feszultseg-porcelan-froccsontoforma\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chapter 25-2, Residual stress, china injection mold - Plastic Mold | China Mold Maker\" \/>\n<meta property=\"og:description\" content=\"Unbalanced cooling from the mold wall to its center can cause thermal-induced residual stress. Furthermore, asymmetrical thermal-induced residual stress can occur if the cooling rate of the two surfaces is unbalanced. Such unbalanced cooling will result in an asymmetric tension-compression pattern across the part, causing a bending moment that tends to cause part warpage. 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