{"id":509,"date":"2018-10-16T21:45:19","date_gmt":"2018-10-16T13:45:19","guid":{"rendered":"https:\/\/plasticmoldco.com\/?p=509"},"modified":"2018-10-20T01:25:01","modified_gmt":"2018-10-19T17:25:01","slug":"what-is-injection-molding","status":"publish","type":"post","link":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/16\/vad-ar-formsprutning\/","title":{"rendered":"vad \u00e4r formsprutning"},"content":{"rendered":"<p>[et_pb_section bb_built=\"1\u2033 fullwidth=\"off\" specialty=\"off\"][et_pb_row][et_pb_column type=\"4_4\u2033][et_pb_text _builder_version=\"3.10.2\u2033 border_width_all=\"3px\" border_color_all=\"#e5e5e5\u2033]<\/p>\n<h1>vad \u00e4r formsprutning<\/h1>\n<p>I filmen The Graduate fr\u00e5n 1967 ger Mr Robinson ett enda karri\u00e4rr\u00e5d till Benjamin Braddock, som spelas av Dustin Hoffman: \"<strong>Plast<\/strong>.\" Det verkar som om Robinson hade r\u00e4tt id\u00e9. Den industriella vetenskapen att omvandla plasthartser till anv\u00e4ndbara saker genom formsprutning har haft en enorm inverkan p\u00e5 industrin och p\u00e5 de flesta av v\u00e5ra liv.<\/p>\n<p>Den\u00a0<strong>formsprutningsprocess<\/strong>\u00a0Formsprutningen b\u00f6rjade anv\u00e4ndas p\u00e5 1930-talet och baserades ursprungligen p\u00e5 formgjutning av metall. Formsprutning erbjuder m\u00e5nga f\u00f6rdelar j\u00e4mf\u00f6rt med alternativa tillverkningsmetoder, bland annat minimala f\u00f6rluster fr\u00e5n skrot (eftersom skrotbitar kan sm\u00e4ltas och \u00e5tervinnas) och minimala krav p\u00e5 efterbehandling. Formsprutning skiljer sig fr\u00e5n metallgjutning genom att sm\u00e4lta metaller helt enkelt kan h\u00e4llas; plasthartser m\u00e5ste injiceras med kraft.<\/p>\n<p>Processen anv\u00e4nder stora\u00a0<strong>formsprutningsmaskiner<\/strong>som f\u00f6r fram hartserna genom sex stora processer f\u00f6r att tillverka allt fr\u00e5n datordelar till Halloween-spindlar i plast. \u00c4ven om en formsprutningsmaskin \u00e4r en komplex utrustning best\u00e5r den av tv\u00e5 grundl\u00e4ggande delar, insprutningsenheten och fastsp\u00e4nningsenheten.<\/p>\n<p>Processen b\u00f6rjar med en form som sp\u00e4nns fast under tryck f\u00f6r att m\u00f6jligg\u00f6ra injektions- och kylningsprocessen. D\u00e4refter matas pelleterade hartser in i maskinen, f\u00f6ljt av l\u00e4mpliga f\u00e4rg\u00e4mnen. Hartserna faller sedan ner i en injektionsfat d\u00e4r de v\u00e4rms upp till sm\u00e4ltpunkten och sedan injiceras i formen genom antingen en skruv eller en st\u00e4mpelanordning.<\/p>\n<p>D\u00e4refter kommer den s.k. bockningsfasen, d\u00e5 den sm\u00e4lta plasten innesluts i formen och hydrauliskt eller mekaniskt tryck appliceras f\u00f6r att s\u00e4kerst\u00e4lla att alla h\u00e5lrum i formen fylls. Plasten f\u00e5r sedan svalna i formen, som sedan \u00f6ppnas genom att de tv\u00e5 halvorna av formen separeras. I det sista steget matas plastdelen ut ur formen med hj\u00e4lp av utmatningsstift. Den f\u00e4rdiga delen kan inneh\u00e5lla fr\u00e4mmande delar, s\u00e5 kallade runners, som trimmas bort och \u00e5tervinns. Hela processen \u00e4r cyklisk och cykeltiderna varierar mellan tio och 100 sekunder beroende p\u00e5 vilken kyltid som kr\u00e4vs.<\/p>\n<p>Formsprutningsprocessen kr\u00e4ver en del komplexa ber\u00e4kningar. Alla olika typer av hartser har ett krympningsv\u00e4rde som m\u00e5ste tas med i ber\u00e4kningen, och formen m\u00e5ste kompensera f\u00f6r det. Om detta v\u00e4rde inte best\u00e4ms exakt kommer slutprodukten att ha fel storlek eller kan inneh\u00e5lla brister. Vanligtvis kompenseras detta genom att f\u00f6rst fylla formen med harts, h\u00e5lla den under tryck och sedan tills\u00e4tta mer harts f\u00f6r att kompensera f\u00f6r sammandragningen. Andra komplikationer kan vara br\u00e4nda delar till f\u00f6ljd av att sm\u00e4lttemperaturen har st\u00e4llts in f\u00f6r h\u00f6gt, skevhet till f\u00f6ljd av oj\u00e4mn yttemperatur eller ofullst\u00e4ndig fyllning p\u00e5 grund av ett f\u00f6r l\u00e5ngsamt injektionsslag.<\/p>\n<p><strong>Formsprutningsverktyg<\/strong>\u00a0sj\u00e4lva kan vara f\u00f6rv\u00e5nansv\u00e4rt dyra, ibland upp\u00e5t $100.000. Om den \u00f6nskade delkvantiteten emellertid \u00e4r tillr\u00e4ckligt stor blir formkostnaden relativt obetydlig och de resulterande plastdelarna \u00e4r mycket rimligt prissatta. Vissa formar \u00e4r tillverkade med mer \u00e4n en kavitet; dessa multikavitetsformar kostar mer \u00e4n deras motsvarigheter med en kavitet, men p\u00e5 grund av \u00f6kad produktionseffektivitet minimeras kostnaden per del.<\/p>\n<p><strong>Formsprutning<\/strong>\u00a0kan anv\u00e4ndas med en m\u00e4ngd olika plasthartser. De mest popul\u00e4ra hartserna f\u00f6r denna typ av gjutning inkluderar: polypropylen (PP), polyeten (PE) och ABS. Varje harts har sina egna f\u00f6rdelar och nackdelar och v\u00e4ljs utifr\u00e5n de \u00f6nskade egenskaperna hos den slutliga delen.<\/p>\n<p>[\/et_pb_text][\/et_pb_kolumn][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p><div class=\"et_pb_row et_pb_row_0 et_pb_row_empty\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div> vad \u00e4r formsprutning I filmen The Graduate fr\u00e5n 1967 gav Mr Robinson ett enda ord som karri\u00e4rr\u00e5d till Benjamin Braddock, som spelas av Dustin Hoffman: \u201cPlast\u201d. Det verkar som om Robinson hade r\u00e4tt id\u00e9. Den industriella vetenskapen om att omvandla plasthartser till anv\u00e4ndbara saker genom formsprutningsprocessen har [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[13,9],"tags":[],"class_list":["post-509","post","type-post","status-publish","format-standard","hentry","category-mold-indstry-blogy-1","category-news2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>what is injection molding - 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\/sv\/2018\/10\/16\/vad-ar-formsprutning\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"what is injection molding - Plastic Mold | China Mold Maker\" \/>\n<meta property=\"og:description\" content=\"what is injection molding In 1967 film The Graduate, Mr. Robinson offered a single word of career advice to Benjamin Braddock, the character played by Dustin Hoffman: \u201cPlastics.\u201d It would seem that Robinson had the right idea. The industrial science of transforming plastic resins into useful things through the process of injection molding, has [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/16\/vad-ar-formsprutning\/\" \/>\n<meta property=\"og:site_name\" content=\"Plastic Mold | China Mold Maker\" \/>\n<meta property=\"article:published_time\" content=\"2018-10-16T13:45:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-19T17:25:01+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777\"},\"headline\":\"what is injection molding\",\"datePublished\":\"2018-10-16T13:45:19+00:00\",\"dateModified\":\"2018-10-19T17:25:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/\"},\"wordCount\":614,\"publisher\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#organization\"},\"articleSection\":[\"mold indstry blogy 1\",\"news2\"],\"inLanguage\":\"sv-SE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/\",\"url\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/\",\"name\":\"what is injection molding - Plastic Mold | China Mold Maker\",\"isPartOf\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/el\/#website\"},\"datePublished\":\"2018-10-16T13:45:19+00:00\",\"dateModified\":\"2018-10-19T17:25:01+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#breadcrumb\"},\"inLanguage\":\"sv-SE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.plasticmoldco.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"what is injection molding\"}]},{\"@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\":\"sv-SE\"},{\"@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\":\"sv-SE\",\"@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\":\"sv-SE\",\"@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\/sv\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"vad \u00e4r formsprutning - Plastgjutning | Kina formtillverkare","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\/sv\/2018\/10\/16\/vad-ar-formsprutning\/","og_locale":"sv_SE","og_type":"article","og_title":"what is injection molding - Plastic Mold | China Mold Maker","og_description":"what is injection molding In 1967 film The Graduate, Mr. Robinson offered a single word of career advice to Benjamin Braddock, the character played by Dustin Hoffman: \u201cPlastics.\u201d It would seem that Robinson had the right idea. The industrial science of transforming plastic resins into useful things through the process of injection molding, has [&hellip;]","og_url":"https:\/\/www.plasticmoldco.com\/sv\/2018\/10\/16\/vad-ar-formsprutning\/","og_site_name":"Plastic Mold | China Mold Maker","article_published_time":"2018-10-16T13:45:19+00:00","article_modified_time":"2018-10-19T17:25:01+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Skriven av":"admin","Ber\u00e4knad l\u00e4stid":"3 minuter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#article","isPartOf":{"@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/"},"author":{"name":"admin","@id":"https:\/\/www.plasticmoldco.com\/el\/#\/schema\/person\/8377d429cf711f79d68feec3e8648777"},"headline":"what is injection molding","datePublished":"2018-10-16T13:45:19+00:00","dateModified":"2018-10-19T17:25:01+00:00","mainEntityOfPage":{"@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/"},"wordCount":614,"publisher":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#organization"},"articleSection":["mold indstry blogy 1","news2"],"inLanguage":"sv-SE"},{"@type":"WebPage","@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/","url":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/","name":"vad \u00e4r formsprutning - Plastgjutning | Kina formtillverkare","isPartOf":{"@id":"https:\/\/www.plasticmoldco.com\/el\/#website"},"datePublished":"2018-10-16T13:45:19+00:00","dateModified":"2018-10-19T17:25:01+00:00","breadcrumb":{"@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#breadcrumb"},"inLanguage":"sv-SE","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.plasticmoldco.com\/2018\/10\/16\/what-is-injection-molding\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.plasticmoldco.com\/"},{"@type":"ListItem","position":2,"name":"what is injection molding"}]},{"@type":"WebSite","@id":"https:\/\/www.plasticmoldco.com\/el\/#website","url":"https:\/\/www.plasticmoldco.com\/el\/","name":"Plastform | Kina formtillverkare","description":"Letar du efter injektionsform Kina? Vi \u00e4r tillverkare av plastformar","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":"sv-SE"},{"@type":"Organization","@id":"https:\/\/www.plasticmoldco.com\/el\/#organization","name":"Plastform | Kina formtillverkare","url":"https:\/\/www.plasticmoldco.com\/el\/","logo":{"@type":"ImageObject","inLanguage":"sv-SE","@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":"administrat\u00f6r","image":{"@type":"ImageObject","inLanguage":"sv-SE","@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\/sv\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/posts\/509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/comments?post=509"}],"version-history":[{"count":0,"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/posts\/509\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/media?parent=509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/categories?post=509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plasticmoldco.com\/sv\/wp-json\/wp\/v2\/tags?post=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}