Kowane ɓangaren filastik yana buƙatar takamaiman tsari na masana'anta wanda zai iya bambanta sosai daga wannan samfur zuwa wani.Ana amfani da gyare-gyaren allura don ƙera ƙwaƙƙwaran abubuwa yayin da ake amfani da gyare-gyaren busa don yin samfuran filastik tare da wurare mara kyau, kamar kwalabe da kwantena.
Allura mike busa gyare-gyaren hada allura gyare-gyaren da busa gyare-gyaren tafiyar matakai.The roba da aka farko gyare-gyare a cikin wani m preform, don ƙirƙirar wani threaded kwalban wuyansa.Da zarar preform ɗin ya huce ana ciyar da shi a cikin injin miƙewa.Daga nan sai a sake dumama preform ɗin ta amfani da injin infrared sannan a hura a cikin kwalbar filastik tare da matsa lamba mai ƙarfi.
Tsarin Gyaran allura
Ana amfani da gyare-gyaren allura don ƙirƙira mafi girman girma na samfuran filastik masu girma daga manyan abubuwan haɗin gwiwa zuwa ƙananan abubuwan da ke buƙatar daidaiton ƙananan ƙananan.
Akwai nau'ikan hanyoyin masana'antu da yawa waɗanda aka rarraba ƙarƙashin gyare-gyaren allura, irin su gyare-gyaren allura na thermoplastic, sama da gyare-gyare, gyare-gyaren sakawa, gyare-gyaren mai gudu mai sanyi da gyare-gyaren mai zafi mai zafi.
Thermoplastic Injection Molding
Thermoplastic allura gyare-gyare yana amfani da thermoplastic polymer, ma'ana yana canzawa zuwa yanayin ruwa lokacin zafi.Ba kamar robobi na thermoset waɗanda ke yin sanyi su zama mai ƙarfi na dindindin ba, ana iya saka thermoplastics cikin ruwa bayan sanyaya cikin ƙarfi.
Overmolding
Juyawa, ko gyare-gyaren harbi biyu, tsari ne da ke rufe nau'in allura akan wani abu, kamar ƙarfe, don haɓaka aiki ko dorewa na samfur.Wani fili mai kama da roba, wanda ake kira thermoplastic elastomer (TPE), abu ne da aka saba amfani dashi.Misalin aikace-aikacen overmold na TPE shine riko da buroshin hakori.Hakanan ana iya amfani da overmolds don rufe samfura tare da sassan da aka yi daga nau'ikan allura da yawa.
Saka Molding
Kamar overmolding, saka gyare-gyaren tsari ne na gyare-gyaren allura wanda ke haɗa abubuwa biyu ko fiye a cikin samfurin da aka gama.Saka gyare-gyaren allura yana sanya wani sashi a cikin rami na ƙirar allura kuma an cika kayan filastik kewaye da abin da aka saka.Sakawa zai iya ƙara ƙarfi ga samfur kuma ya kawar da buƙatar ƙarin sassa don rage nauyin samfurin.
Cold Runner Injection Molding
Ƙwararrun masu gudu masu sanyi suna amfani da sprue don cika masu gudu waɗanda ke allurar robobi a cikin rami na ƙura.A cikin gyare-gyaren farantin 2, tsarin mai gudu da sassa suna haɗe, kuma ana iya amfani da tsarin fitarwa don raba nau'i-nau'i daga nau'in. .Za a iya amfani da tsarin mai gudu mai sanyi don nau'in polymers iri-iri kuma zai iya ba da damar sauƙaƙan canje-canjen launi.
Hot Runner Molds
Zafafan gyare-gyare masu zafi suna amfani da nau'i-nau'i don ɗorawa robobin robobin da aka narkar da su sannan a aika da kayan ta wata ƙofa don cika ramin ƙura.Manyan nau'ikan nau'ikan masu gudu guda biyu suna da zafi sosai kuma an mai da su.Za'a iya amfani da ƙwanƙwasa masu zafi na waje tare da polymer wanda ba shi da hankali ga bambance-bambancen thermal yayin da mai zafi mai zafi mai zafi na ciki yana ba da damar sarrafa kayan aiki mafi kyau.
Saboda gyare-gyaren mai zafi mai zafi baya buƙatar yin amfani da masu gudu, yuwuwar kayan sharar gida yana raguwa kuma sake yin amfani da shi da regrind da tsari na filastik budurwa ba zai tasiri jimlar lokacin sake zagayowar ba.
Tsarin Buga Molding
A lokacin aikin gyare-gyaren busa, ɗanyen kayan filastik yana siffata zuwa wani bututu mai faɗuwa tare da buɗaɗɗen ƙarshen da ake kira parison.Ana danna parison a cikin sanyin ƙarfe mai sanyaya kuma ana matsar da iska a cikin parison.Lokacin da filastik da aka kafa ya yi sanyi kuma ya taurare, ƙirar ƙarfe ta buɗe kuma ta fitar da samfurin.
Lokacin aikawa: Juni-10-2017