A MIM a Metal Injection Molding kifejez\u00e9sb\u0151l l\u00e9trej\u00f6tt bet\u0171sz\u00f3, amely egy forradalmian \u00faj \u00e9s viszonylag kev\u00e9ss\u00e9 ismert elj\u00e1r\u00e1st jel\u00f6l. Ez az alig t\u00f6bb mint h\u00e1rom \u00e9vtizede feltal\u00e1lt technol\u00f3gia a hagyom\u00e1nyos porkoh\u00e1szati elj\u00e1r\u00e1st \u00f6tv\u00f6zi a m\u0171anyag-fr\u00f6ccs\u00f6nt\u00e9ssel. A folyamatos fejleszt\u00e9seknek k\u00f6sz\u00f6nhet\u0151en a technol\u00f3gia egyre kifinomultabb\u00e1 v\u00e1lt az elm\u00falt \u00e9vtizedekben, aminek eredm\u00e9nyek\u00e9ppen mostanra ezzel az elj\u00e1r\u00e1ssal nagyon prec\u00edz f\u00e9malkatr\u00e9szeket lehet el\u0151\u00e1ll\u00edtani, r\u00e1ad\u00e1sul jelent\u0151sen gyorsabban, mint m\u00e1s m\u00f3dszerekkel.<\/p>\n\n\n\n
A folyamat \u00e1llom\u00e1sai<\/strong><\/p>\n\n\n\n A MIM l\u00e9nyeg\u00e9ben egy f\u00e9mmegmunk\u00e1l\u00e1si folyamat, amelynek sor\u00e1n a nagyon finom f\u00e9mport felmeleg\u00edtett \u00e1llapotban \u00f6sszekeverik a k\u00f6t\u0151anyaggal (binderrel), ami valamilyen polimer, p\u00e9ld\u00e1ul viasz vagy polipropil\u00e9n Ezt a l\u00e9p\u00e9st az\u00e9rt sz\u00fcks\u00e9ges meleg \u00e1llapotban elv\u00e9gezni, hogy minden egyes f\u00e9mszemcs\u00e9t egyenletesen bevonjon a k\u00f6t\u0151anyag. Kih\u0171l\u00e9s ut\u00e1n az \u00edgy kapott kever\u00e9kb\u0151l granul\u00e1tum k\u00e9sz\u00fcl a fr\u00f6ccs\u00f6nt\u00e9s f\u00e1zis sz\u00e1m\u00e1ra.<\/p>\n\n\n\n A fr\u00f6ccs\u00f6nt\u00e9s sor\u00e1n a granul\u00e1tumot megolvasztj\u00e1k, ennek hat\u00e1s\u00e1ra olyan \u00e1llag\u00fav\u00e1 v\u00e1lik, mint a fogkr\u00e9m, \u00edgy b\u00e1rmilyen bonyolult form\u00e1t fel tud venni az \u00f6nt\u0151form\u00e1ban. Az \u00edgy kapott \u00f6nt\u00f6tt darabot \u201ez\u00f6ld darabnak\u201d nevezz\u00fck. A v\u00e9gterm\u00e9kn\u00e9l m\u00e9g jelent\u0151sen nagyobb z\u00f6ld darabokb\u00f3l egy speci\u00e1lis k\u00e9miai elj\u00e1r\u00e1ssal kivonj\u00e1k a k\u00f6t\u0151anyag nagy r\u00e9sz\u00e9t, amelynek ar\u00e1nya \u00e1ltal\u00e1ban 40 t\u00e9rfogatsz\u00e1zal\u00e9k. Ennek a bindert elt\u00e1vol\u00edt\u00f3 elj\u00e1r\u00e1snak \u201edebind\u201d a neve. A debind t\u00f6rt\u00e9nhet katalitikus elj\u00e1r\u00e1ssal, h\u0151kemenc\u00e9kkel, old\u00f3szerf\u00fcrd\u0151vel, vagy ezek kombin\u00e1ci\u00f3j\u00e1val.<\/p>\n\n\n\n A k\u00f6t\u0151anyag elt\u00e1vol\u00edt\u00e1sa ut\u00e1n kapott darab a \u201ebarna darab\u201d. A debind ut\u00e1n k\u00f6vetkezik a marad\u00e9k k\u00f6t\u0151anyag elt\u00e1vol\u00edt\u00e1sa, vagyis a szinterez\u00e9s. Ez v\u00e1kuumkemenc\u00e9ben t\u00f6rt\u00e9nik, ahol a munkadarab elnyeri v\u00e9gs\u0151 m\u00e9ret\u00e9t (ez \u00e1ltal\u00e1ban 20%-kal kisebb a barna darabn\u00e1l) \u00e9s t\u00f6m\u00f6rs\u00e9g\u00e9t.<\/p>\n\n\n\n A MIM el\u0151nyei<\/strong><\/p>\n\n\n\n A MIM technol\u00f3gi\u00e1val fr\u00f6ccs\u00f6nt\u00f6tt alkatr\u00e9szek gazdas\u00e1gi el\u0151ny\u00e9t els\u0151sorban a kism\u00e9ret\u0171 alkatr\u00e9szek \u00f6sszetetts\u00e9ge \u00e9s el\u0151\u00e1ll\u00edt\u00e1suk sebess\u00e9ge jelenti. Ezzel az elj\u00e1r\u00e1ssal olyan alkatr\u00e9szek is l\u00e9trehozhat\u00f3ak, amelyek m\u00e1s gy\u00e1rt\u00e1si m\u00f3dszerrel vagy egy\u00e1ltal\u00e1n nem, vagy csak l\u00e9nyegesen nagyobb k\u00f6lts\u00e9ggel. Az sem elhanyagolhat\u00f3 szempont, hogy a MIM technol\u00f3gia gyakorlatilag anyagvesztes\u00e9g n\u00e9lk\u00fcl alkalmazhat\u00f3, hiszen a kimaradt anyagb\u00f3l \u00fajra felhaszn\u00e1lhat\u00f3 granul\u00e1tumot lehet k\u00e9sz\u00edteni, ami az olyan dr\u00e1ga f\u00e9mek eset\u00e9ben, mint a r\u00e9z, a tit\u00e1nium vagy a wolfram m\u00e9g ink\u00e1bb k\u00f6lts\u00e9ghat\u00e9konny\u00e1 teszi az elj\u00e1r\u00e1st.<\/p>","protected":false},"excerpt":{"rendered":" MIM is an acronym formed from the term Metal Injection Molding, referring to a revolutionary and relatively little-known process. Invented just over three decades ago, this technology combines traditional powder metallurgy with plastic injection molding. Thanks to continuous development, the technology has become increasingly refined over the past decades, and as a result, it is […]<\/p>","protected":false},"author":1,"featured_media":3132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"1375","inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/posts\/2519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/comments?post=2519"}],"version-history":[{"count":2,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/posts\/2519\/revisions"}],"predecessor-version":[{"id":2983,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/posts\/2519\/revisions\/2983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/media\/3132"}],"wp:attachment":[{"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/media?parent=2519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/categories?post=2519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arcw.hu\/hu\/wp-json\/wp\/v2\/tags?post=2519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}