{"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\/pl\/2018\/10\/16\/co-to-jest-formowanie-wtryskowe\/","title":{"rendered":"Co to jest formowanie wtryskowe"},"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>Co to jest formowanie wtryskowe<\/h1>\n<p>W filmie Absolwent z 1967 roku pan Robinson udzieli\u0142 jednej rady zawodowej Benjaminowi Braddockowi, postaci granej przez Dustina Hoffmana: \"<strong>Tworzywa sztuczne<\/strong>.\" Wydaje si\u0119, \u017ce Robinson mia\u0142 racj\u0119. Przemys\u0142owa nauka o przekszta\u0142caniu \u017cywic z tworzyw sztucznych w u\u017cyteczne przedmioty w procesie formowania wtryskowego mia\u0142a ogromny wp\u0142yw na przemys\u0142 i wi\u0119kszo\u015b\u0107 naszego \u017cycia.<\/p>\n<p>The\u00a0<strong>Proces formowania wtryskowego<\/strong>\u00a0zosta\u0142 po raz pierwszy zaprojektowany w latach trzydziestych XX wieku i pierwotnie opiera\u0142 si\u0119 na projektach odlewania ci\u015bnieniowego metali. Formowanie wtryskowe ma wiele zalet w por\u00f3wnaniu z alternatywnymi metodami produkcji, w tym minimalne straty zwi\u0105zane ze z\u0142omem (poniewa\u017c kawa\u0142ki z\u0142omu mo\u017cna stopi\u0107 i podda\u0107 recyklingowi) oraz minimalne wymagania dotycz\u0105ce wyko\u0144czenia. Formowanie wtryskowe r\u00f3\u017cni si\u0119 od odlewania ci\u015bnieniowego metali tym, \u017ce stopione metale mog\u0105 by\u0107 po prostu wylewane; \u017cywice z tworzyw sztucznych musz\u0105 by\u0107 wtryskiwane z u\u017cyciem si\u0142y.<\/p>\n<p>Proces ten wykorzystuje du\u017ce\u00a0<strong>wtryskarki<\/strong>kt\u00f3re przetwarzaj\u0105 \u017cywice w sze\u015bciu g\u0142\u00f3wnych procesach w celu wyprodukowania wszystkiego, od cz\u0119\u015bci komputerowych po plastikowe paj\u0105ki do Halloween. Chocia\u017c wtryskarka jest z\u0142o\u017conym urz\u0105dzeniem, sk\u0142ada si\u0119 z dw\u00f3ch podstawowych element\u00f3w, jednostki wtryskowej i jednostki zaciskowej.<\/p>\n<p>Proces rozpoczyna si\u0119 od formy, kt\u00f3ra jest zaciskana pod ci\u015bnieniem w celu dostosowania do procesu wtrysku i ch\u0142odzenia. Nast\u0119pnie do maszyny wprowadzane s\u0105 granulowane \u017cywice, a po nich odpowiednie barwniki. \u017bywice wpadaj\u0105 nast\u0119pnie do cylindra wtryskowego, gdzie s\u0105 podgrzewane do temperatury topnienia, a nast\u0119pnie wtryskiwane do formy za pomoc\u0105 \u015blimaka lub urz\u0105dzenia ubijaj\u0105cego.<\/p>\n<p>Nast\u0119pnie nast\u0119puje faza wype\u0142niania, w kt\u00f3rej stopione tworzywa sztuczne znajduj\u0105 si\u0119 w formie, a ci\u015bnienie hydrauliczne lub mechaniczne jest stosowane, aby upewni\u0107 si\u0119, \u017ce wszystkie wn\u0119ki w formie s\u0105 wype\u0142nione. Tworzywa sztuczne s\u0105 nast\u0119pnie sch\u0142adzane w formie, kt\u00f3ra jest nast\u0119pnie otwierana poprzez oddzielenie dw\u00f3ch po\u0142\u00f3wek formy. W ostatnim etapie plastikowa cz\u0119\u015b\u0107 jest wyrzucana z formy za pomoc\u0105 ko\u0142k\u00f3w wypychaj\u0105cych. Uko\u0144czona cz\u0119\u015b\u0107 mo\u017ce zawiera\u0107 obce elementy zwane prowadnicami, kt\u00f3re s\u0105 odcinane i poddawane recyklingowi. Ca\u0142y proces jest cykliczny, a czas jego trwania waha si\u0119 od 10 do 100 sekund, w zale\u017cno\u015bci od wymaganego czasu ch\u0142odzenia.<\/p>\n<p>Proces formowania wtryskowego wymaga skomplikowanych oblicze\u0144. Ka\u017cdy inny rodzaj \u017cywicy ma warto\u015b\u0107 skurczu, kt\u00f3ra musi zosta\u0107 uwzgl\u0119dniona, a forma musi j\u0105 skompensowa\u0107. Je\u015bli warto\u015b\u0107 ta nie zostanie precyzyjnie okre\u015blona, produkt ko\u0144cowy b\u0119dzie mia\u0142 nieprawid\u0142owy rozmiar lub mo\u017ce zawiera\u0107 wady. Zazwyczaj jest to kompensowane przez pierwsze wype\u0142nienie formy \u017cywic\u0105, utrzymanie jej pod ci\u015bnieniem, a nast\u0119pnie dodanie wi\u0119kszej ilo\u015bci \u017cywicy w celu skompensowania skurczu. Inne komplikacje mog\u0105 obejmowa\u0107 spalone cz\u0119\u015bci wynikaj\u0105ce ze zbyt wysokiej temperatury topnienia, wypaczenia wynikaj\u0105ce z nier\u00f3wnej temperatury powierzchni lub niekompletne wype\u0142nienie z powodu zbyt wolnego skoku wtrysku.<\/p>\n<p><strong>Formy wtryskowe<\/strong>\u00a0same w sobie mog\u0105 by\u0107 zaskakuj\u0105co drogie, czasami przekraczaj\u0105c $100,000. Je\u015bli jednak po\u017c\u0105dana ilo\u015b\u0107 cz\u0119\u015bci jest wystarczaj\u0105co du\u017ca, koszt formy staje si\u0119 stosunkowo nieistotny, a powsta\u0142e cz\u0119\u015bci z tworzywa sztucznego s\u0105 bardzo przyst\u0119pne cenowo. Niekt\u00f3re formy s\u0105 wykonane z wi\u0119cej ni\u017c jedn\u0105 wn\u0119k\u0105; te formy wielokomorowe kosztuj\u0105 wi\u0119cej ni\u017c ich odpowiedniki z pojedyncz\u0105 wn\u0119k\u0105, ale ze wzgl\u0119du na zwi\u0119kszon\u0105 wydajno\u015b\u0107 produkcji koszt jednej cz\u0119\u015bci jest zminimalizowany.<\/p>\n<p><strong>Formowanie wtryskowe<\/strong>\u00a0mo\u017ce by\u0107 stosowany z r\u00f3\u017cnymi \u017cywicami z tworzyw sztucznych. Najpopularniejsze \u017cywice do tego typu formowania to: polipropylen (PP), polietylen (PE) i ABS. Ka\u017cda \u017cywica ma sw\u00f3j w\u0142asny zestaw zalet i wad i jest wybierana na podstawie po\u017c\u0105danych w\u0142a\u015bciwo\u015bci ko\u0144cowej cz\u0119\u015bci.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/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> 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;]<\/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\/pl\/2018\/10\/16\/co-to-jest-formowanie-wtryskowe\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\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. 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