{"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\/cs\/2018\/10\/17\/kapitola-25-1-zbytkove-napeti\/","title":{"rendered":"Kapitola 25-1, Zbytkov\u00e9 nap\u011bt\u00ed"},"content":{"rendered":"<h1>Vin\u00edk probl\u00e9m\u016f se smr\u0161\u0165ov\u00e1n\u00edm a deformacemi<\/h1>\n<p>Zbytkov\u00e9 nap\u011bt\u00ed je nap\u011bt\u00ed vyvolan\u00e9 procesem, kter\u00e9 zamrzlo ve v\u00fdlisku. M\u016f\u017ee b\u00fdt zp\u016fsobeno proud\u011bn\u00edm nebo teplem. Zbytkov\u00e1 nap\u011bt\u00ed p\u016fsob\u00ed na d\u00edl podobn\u011b jako extern\u011b p\u016fsob\u00edc\u00ed nap\u011bt\u00ed. Pokud jsou dostate\u010dn\u011b siln\u00e1 na to, aby p\u0159ekonala struktur\u00e1ln\u00ed integritu d\u00edlu, dojde p\u0159i vyhozen\u00ed d\u00edlu k jeho deformaci nebo pozd\u011bji k prasknut\u00ed p\u0159i vn\u011bj\u0161\u00edm provozn\u00edm zat\u00ed\u017een\u00ed. Zbytkov\u00e1 nap\u011bt\u00ed jsou hlavn\u00ed p\u0159\u00ed\u010dinou smr\u0161\u0165ov\u00e1n\u00ed a deformac\u00ed d\u00edl\u016f. Procesn\u00ed podm\u00ednky a konstruk\u010dn\u00ed prvky, kter\u00e9 sni\u017euj\u00ed smykov\u00e9 nap\u011bt\u00ed p\u0159i pln\u011bn\u00ed dutiny, pomohou sn\u00ed\u017eit zbytkov\u00e1 nap\u011bt\u00ed vyvolan\u00e1 proud\u011bn\u00edm. Stejn\u011b tak ty, kter\u00e9 podporuj\u00ed dostate\u010dn\u00e9 zapln\u011bn\u00ed a rovnom\u011brn\u00e9 chlazen\u00ed formy, sn\u00ed\u017e\u00ed tepeln\u011b indukovan\u00e9 zbytkov\u00e9 nap\u011bt\u00ed. U materi\u00e1l\u016f pln\u011bn\u00fdch vl\u00e1kny sn\u00ed\u017e\u00ed tepeln\u011b indukovan\u00e9 zbytkov\u00e9 nap\u011bt\u00ed ty procesn\u00ed podm\u00ednky, kter\u00e9 podporuj\u00ed rovnom\u011brn\u00e9 mechanick\u00e9 vlastnosti.\u00a0<a title=\"Dodavatel forem v \u010c\u00edn\u011b\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">Dodavatel forem v \u010c\u00edn\u011b<\/a><\/p>\n<h1>Zbytkov\u00e9 nap\u011bt\u00ed vyvolan\u00e9 proud\u011bn\u00edm<\/h1>\n<p>Nenapjat\u00e9 molekuly polymer\u016f s dlouh\u00fdm \u0159et\u011bzcem maj\u00ed tendenci se p\u0159i teplot\u00e1ch vy\u0161\u0161\u00edch ne\u017e teplota taveniny (tj. v roztaven\u00e9m stavu) p\u0159izp\u016fsobit rovnov\u00e1\u017en\u00e9mu stavu n\u00e1hodn\u00e9ho z\u00e1vitu. B\u011bhem zpracov\u00e1n\u00ed se molekuly orientuj\u00ed ve sm\u011bru toku, proto\u017ee polymer se st\u0159ih\u00e1 a prodlu\u017euje. Pokud dojde k tuhnut\u00ed p\u0159ed \u00fapln\u00fdm uvoln\u011bn\u00edm molekul polymeru do rovnov\u00e1\u017en\u00e9ho stavu, je orientace molekul uzam\u010dena uvnit\u0159 polymeru.<br \/>\nv\u00fdlisek. Tento typ zamrzl\u00e9ho napjat\u00e9ho stavu se \u010dasto ozna\u010duje jako zbytkov\u00e9 nap\u011bt\u00ed vyvolan\u00e9 proud\u011bn\u00edm. Vzhledem k rozta\u017een\u00e9 orientaci molekul ve sm\u011bru toku doch\u00e1z\u00ed k anizotropn\u00edmu, nerovnom\u011brn\u00e9mu smr\u0161\u0165ov\u00e1n\u00ed a mechanick\u00fdm vlastnostem ve sm\u011brech rovnob\u011b\u017en\u00fdch a kolm\u00fdch na sm\u011br toku.<\/p>\n<h2>Zamrzl\u00e1 molekul\u00e1rn\u00ed orientace<\/h2>\n<p>V d\u016fsledku kombinace vysok\u00e9ho smykov\u00e9ho nap\u011bt\u00ed a vysok\u00e9 rychlosti chlazen\u00ed v bl\u00edzkosti st\u011bny formy vznik\u00e1 bezprost\u0159edn\u011b pod povrchem d\u00edlu vysoce orientovan\u00e1 vrstva zmrzl\u00e9 hmoty. To je zn\u00e1zorn\u011bno na obr\u00e1zku 1. N\u00e1sledn\u00e9 vystaven\u00ed d\u00edlu s vysok\u00fdmi zbytkov\u00fdmi nap\u011bt\u00edmi v toku (nebo se zamrzlou orientac\u00ed) vysok\u00e9 teplot\u011b m\u016f\u017ee umo\u017enit uvoln\u011bn\u00ed n\u011bkter\u00fdch nap\u011bt\u00ed. To m\u00e1 obvykle za n\u00e1sledek smr\u0161t\u011bn\u00ed a deformaci d\u00edlu. D\u00edky tepeln\u011b izola\u010dn\u00edmu \u00fa\u010dinku zmrzl\u00fdch vrstev m\u016f\u017ee polymern\u00ed tavenina v hork\u00e9m j\u00e1d\u0159e ve v\u011bt\u0161\u00ed m\u00ed\u0159e relaxovat, co\u017e vede ke vzniku z\u00f3ny s n\u00edzkou molekul\u00e1rn\u00ed orientac\u00ed.\u00a0<a title=\"Dodavatel forem v \u010c\u00edn\u011b\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">Dodavatel forem v \u010c\u00edn\u011b<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1303\" title=\"Zamrzl\u00e1 molekul\u00e1rn\u00ed orientace\" src=\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\" alt=\"Zamrzl\u00e1 molekul\u00e1rn\u00ed orientace\" width=\"579\" height=\"258\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>OBR\u00c1ZEK 1.<\/strong>\u00a0V\u00fdvoj zbytkov\u00fdch nap\u011bt\u00ed p\u0159i toku v d\u016fsledku zamrzl\u00e9 orientace molekul b\u011bhem f\u00e1ze pln\u011bn\u00ed a balen\u00ed.<br \/>\n(1) Z\u00f3na vysok\u00e9ho chlazen\u00ed, smyku a orientace (2) Z\u00f3na n\u00edzk\u00e9ho chlazen\u00ed, smyku a orientace<\/p>\n<h2>Sn\u00ed\u017een\u00ed zbytkov\u00e9ho nap\u011bt\u00ed vyvolan\u00e9ho pr\u016ftokem<\/h2>\n<p>Procesn\u00ed podm\u00ednky, kter\u00e9 sni\u017euj\u00ed smykov\u00e9 nap\u011bt\u00ed v tavenin\u011b, sni\u017euj\u00ed \u00farove\u0148 zbytkov\u00fdch nap\u011bt\u00ed vyvolan\u00fdch proud\u011bn\u00edm. Obecn\u011b je zbytkov\u00e9 nap\u011bt\u00ed vyvolan\u00e9 proud\u011bn\u00edm o jeden \u0159\u00e1d men\u0161\u00ed ne\u017e zbytkov\u00e9 nap\u011bt\u00ed vyvolan\u00e9 teplem.\u00a0<a title=\"Dodavatel forem v \u010c\u00edn\u011b\" href=\"https:\/\/web.archive.org\/web\/20130131102842\/http:\/\/www.moldchina.org\/\" target=\"_blank\" rel=\"noopener\">Dodavatel forem v \u010c\u00edn\u011b<\/a><\/p>\n<ul>\n<li>vy\u0161\u0161\u00ed teplota t\u00e1n\u00ed<\/li>\n<li>vy\u0161\u0161\u00ed teplota st\u011bn formy<\/li>\n<li>del\u0161\u00ed doba pln\u011bn\u00ed (ni\u017e\u0161\u00ed rychlost t\u00e1n\u00ed).<\/li>\n<li>sn\u00ed\u017een\u00fd tlak v ucp\u00e1vce<\/li>\n<li>krat\u0161\u00ed pr\u016ftokov\u00e1 cesta.<\/li>\n<\/ul>\n<h1>\u00a0Tepeln\u011b indukovan\u00e9 zbytkov\u00e9 nap\u011bt\u00ed<\/h1>\n<p>Tepeln\u011b indukovan\u00e9 zbytkov\u00e9 nap\u011bt\u00ed vznik\u00e1 z n\u00e1sleduj\u00edc\u00edch d\u016fvod\u016f:<\/p>\n<ul>\n<li>Materi\u00e1l se smr\u0161\u0165uje p\u0159i poklesu teploty z procesn\u00edho nastaven\u00ed na okoln\u00ed podm\u00ednky dosa\u017een\u00e9 po dokon\u010den\u00ed procesu.<\/li>\n<li>P\u0159i tuhnut\u00ed materi\u00e1lu od st\u011bny formy sm\u011brem do st\u0159edu doch\u00e1z\u00ed k rozd\u00edln\u00fdm tepeln\u011b-mechanick\u00fdm d\u011bj\u016fm (nap\u0159. rozd\u00edln\u00e9 rychlosti ochlazov\u00e1n\u00ed a tlak\u016fm p\u0159i tuhnut\u00ed).<\/li>\n<li>Zm\u011bna tlaku, teploty a orientace molekul a vl\u00e1ken vede k prom\u011bnliv\u00e9 hustot\u011b a mechanick\u00fdm vlastnostem.<\/li>\n<li>Ur\u010dit\u00e1 omezen\u00ed formy br\u00e1n\u00ed smr\u0161\u0165ov\u00e1n\u00ed v\u00fdlisku v rovinn\u00fdch sm\u011brech.<\/li>\n<\/ul>\n<h2>P\u0159\u00edklad voln\u00e9ho ha\u0161en\u00ed<\/h2>\n<p>Smr\u0161\u0165ov\u00e1n\u00ed materi\u00e1lu p\u0159i vst\u0159ikov\u00e1n\u00ed lze vhodn\u011b demonstrovat na p\u0159\u00edkladu voln\u00e9ho ochlazov\u00e1n\u00ed, kdy je d\u00edl s rovnom\u011brnou teplotou n\u00e1hle p\u0159ilo\u017een ke studen\u00fdm st\u011bn\u00e1m formy. B\u011bhem ran\u00fdch f\u00e1z\u00ed chlazen\u00ed, kdy vn\u011bj\u0161\u00ed povrchov\u00e9 vrstvy chladnou a za\u010d\u00ednaj\u00ed se smr\u0161\u0165ovat, je v\u011bt\u0161ina polymeru v hork\u00e9m j\u00e1dru st\u00e1le roztaven\u00e1 a m\u016f\u017ee se voln\u011b smr\u0161\u0165ovat. Jak v\u0161ak vnit\u0159n\u00ed j\u00e1dro chladne, je lok\u00e1ln\u00ed tepeln\u00e9 smr\u0161\u0165ov\u00e1n\u00ed omezeno ji\u017e tuh\u00fdmi vn\u011bj\u0161\u00edmi vrstvami. V\u00fdsledkem je typick\u00fd stav rozlo\u017een\u00ed nap\u011bt\u00ed s tahem v j\u00e1d\u0159e vyv\u00e1\u017een\u00fdm tlakem ve vn\u011bj\u0161\u00edch vrstv\u00e1ch, jak je zn\u00e1zorn\u011bno na obr\u00e1zku 2 n\u00ed\u017ee.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1304\" title=\"Voln\u00e9 ha\u0161en\u00ed - p\u0159\u00edklad\" src=\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Free-quenching-example.gif\" alt=\"Voln\u00e9 ha\u0161en\u00ed - p\u0159\u00edklad\" width=\"579\" height=\"258\" \/><\/p>\n<p><strong>OBR\u00c1ZEK 2.<\/strong>\u00a0V\u00fdvoj zbytkov\u00e9ho tepeln\u00e9ho nap\u011bt\u00ed v d\u00edlu s \"voln\u00fdm ochlazov\u00e1n\u00edm\" v d\u016fsledku zm\u011bn v ochlazov\u00e1n\u00ed nap\u0159\u00ed\u010d tvarovan\u00fdm d\u00edlem a reakce materi\u00e1lu na pr\u016fb\u011bh teploty.<\/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 [&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 v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\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\/cs\/2018\/10\/17\/kapitel-25-1-restspanning\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\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. 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 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.plasticmoldco.com\/cs\/2018\/10\/17\/kapitel-25-1-restspanning\/\" \/>\n<meta property=\"og:site_name\" content=\"Plastic Mold | China Mold Maker\" \/>\n<meta property=\"article:published_time\" content=\"2018-10-16T16:14:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777\"},\"headline\":\"Chapter 25-1, Residual stress\",\"datePublished\":\"2018-10-16T16:14:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/\"},\"wordCount\":657,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\",\"articleSection\":[\"Mould Technology Blog 1\"],\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/\",\"url\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/\",\"name\":\"Chapter 25-1, Residual stress - Plastic Mold | China Mold Maker\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\",\"datePublished\":\"2018-10-16T16:14:55+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage\",\"url\":\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\",\"contentUrl\":\"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.plasticmoldco.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Chapter 25-1, Residual stress\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#website\",\"url\":\"https:\/\/www.plasticmoldco.com\/el\/\",\"name\":\"Plastic Mold | China Mold Maker\",\"description\":\"Are you looking for injection mold china? We are plastic mold maker\",\"publisher\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.plasticmoldco.com\/el\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#organization\",\"name\":\"Plastic Mold | China Mold Maker\",\"url\":\"https:\/\/www.plasticmoldco.com\/el\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/plasticmoldco.com\/wp-content\/uploads\/2018\/10\/nlogon.png\",\"contentUrl\":\"https:\/\/plasticmoldco.com\/wp-content\/uploads\/2018\/10\/nlogon.png\",\"width\":204,\"height\":54,\"caption\":\"Plastic Mold | China Mold Maker\"},\"image\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.plasticmoldco.com\/wp-content\/litespeed\/avatar\/dc9e67dc3cb4dac8041577aae375cd6d.jpg?ver=1776568007\",\"contentUrl\":\"https:\/\/www.plasticmoldco.com\/wp-content\/litespeed\/avatar\/dc9e67dc3cb4dac8041577aae375cd6d.jpg?ver=1776568007\",\"caption\":\"admin\"},\"url\":\"https:\/\/www.plasticmoldco.com\/cs\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kapitola 25-1, Zbytkov\u00e9 nap\u011bt\u00ed - Plastov\u00e9 formy | \u010c\u00edna Mold Maker","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.plasticmoldco.com\/cs\/2018\/10\/17\/kapitel-25-1-restspanning\/","og_locale":"cs_CZ","og_type":"article","og_title":"Chapter 25-1, Residual stress - Plastic Mold | China Mold Maker","og_description":"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 [&hellip;]","og_url":"https:\/\/www.plasticmoldco.com\/cs\/2018\/10\/17\/kapitel-25-1-restspanning\/","og_site_name":"Plastic Mold | China Mold Maker","article_published_time":"2018-10-16T16:14:55+00:00","og_image":[{"url":"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif","type":"","width":"","height":""}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"admin","Odhadovan\u00e1 doba \u010dten\u00ed":"3 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#article","isPartOf":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/"},"author":{"name":"admin","@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777"},"headline":"Chapter 25-1, Residual stress","datePublished":"2018-10-16T16:14:55+00:00","mainEntityOfPage":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/"},"wordCount":657,"commentCount":0,"publisher":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#organization"},"image":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage"},"thumbnailUrl":"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif","articleSection":["Mould Technology Blog 1"],"inLanguage":"cs","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/","url":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/","name":"Kapitola 25-1, Zbytkov\u00e9 nap\u011bt\u00ed - Plastov\u00e9 formy | \u010c\u00edna Mold Maker","isPartOf":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage"},"image":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage"},"thumbnailUrl":"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif","datePublished":"2018-10-16T16:14:55+00:00","breadcrumb":{"@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#primaryimage","url":"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif","contentUrl":"https:\/\/web.archive.org\/web\/20130131102842im_\/http:\/\/www.moldchina.org\/wp-content\/uploads\/2011\/10\/Frozen-in-molecular-orienta.gif"},{"@type":"BreadcrumbList","@id":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/17\/kapitel-25-1-restspanning\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.plasticmoldco.com\/"},{"@type":"ListItem","position":2,"name":"Chapter 25-1, Residual stress"}]},{"@type":"WebSite","@id":"https:\/\/www.plasticmoldco.com\/el\/#website","url":"https:\/\/www.plasticmoldco.com\/el\/","name":"Plastov\u00e9 formy | \u010c\u00edna Mold Maker","description":"Hled\u00e1te vst\u0159ikovac\u00ed formy z \u010c\u00edny? Jsme v\u00fdrobce plastov\u00fdch forem","publisher":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.plasticmoldco.com\/el\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/www.plasticmoldco.com\/el\/#organization","name":"Plastov\u00e9 formy | \u010c\u00edna Mold Maker","url":"https:\/\/www.plasticmoldco.com\/el\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/logo\/image\/","url":"https:\/\/plasticmoldco.com\/wp-content\/uploads\/2018\/10\/nlogon.png","contentUrl":"https:\/\/plasticmoldco.com\/wp-content\/uploads\/2018\/10\/nlogon.png","width":204,"height":54,"caption":"Plastic Mold | China Mold Maker"},"image":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777","name":"admin","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/image\/","url":"https:\/\/www.plasticmoldco.com\/wp-content\/litespeed\/avatar\/dc9e67dc3cb4dac8041577aae375cd6d.jpg?ver=1776568007","contentUrl":"https:\/\/www.plasticmoldco.com\/wp-content\/litespeed\/avatar\/dc9e67dc3cb4dac8041577aae375cd6d.jpg?ver=1776568007","caption":"admin"},"url":"https:\/\/www.plasticmoldco.com\/cs\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/posts\/603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/comments?post=603"}],"version-history":[{"count":0,"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/posts\/603\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/media?parent=603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/categories?post=603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/cs\/wp-json\/wp\/v2\/tags?post=603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}