Akwai hanyoyi da yawa don rarraba nau'ikan filastik, kuma ana iya raba su zuwa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan filastik da sarrafa su:
Injection mold kuma ana kiransa allura mold.Tsarin gyare-gyaren wannan gyare-gyare yana da alaƙa da sanya kayan albarkatun filastik a cikin ganga mai dumama na injin allura.Ana dumama robobin da narke, sannan kuma ta hanyar dunƙule ko plunger na injin allura, yana shiga cikin kogon ƙura ta bututun ƙarfe da tsarin zubar da ƙura, kuma robobin yana samuwa ne a cikin kogon mold ta hanyar adana zafi, riƙe da matsa lamba, da sanyaya.Saboda na'urar dumama da latsawa na iya aiki a cikin matakai, gyare-gyaren allura ba zai iya yin gyare-gyaren filastik kawai tare da siffofi masu rikitarwa ba, amma har ma yana da ingantaccen samarwa da inganci mai kyau.Saboda haka, allura gyare-gyare asusu na babban rabo a cikin gyare-gyare na filastik sassa, kuma allura molds lissafin fiye da rabin na roba gyare-gyaren gyare-gyare.An fi amfani da injin allura don gyare-gyaren thermoplastics.A cikin 'yan shekarun nan, an kuma yi amfani da shi a hankali don gyare-gyaren robobi na thermosetting.
Matsi mold kuma ana kiransa matsawa mold ko roba mold.Siffar tsarin gyare-gyaren wannan ƙirar ita ce, ana ƙara kayan albarkatun filastik kai tsaye a cikin rami mai buɗewa, sa'an nan kuma an rufe mold.Bayan filastik yana cikin yanayin narkakkar ƙarƙashin aikin zafi da matsa lamba, rami yana cike da wani matsa lamba.A wannan lokacin, tsarin kwayoyin halitta na filastik ya haifar da amsawar sinadarai, wanda a hankali ya taurare kuma ya saita.Ana amfani da gyare-gyaren damfara don robobi na thermosetting, kuma sassan filastik da aka ƙera galibi ana amfani da su don gidaje na musanya wutar lantarki da kayan yau da kullun.
Canja wurin mold kuma ana kiransa allura mold ko extrusion mold.Tsarin gyare-gyare na wannan ƙirar yana da alamar cewa an ƙara kayan albarkatun filastik a cikin ɗakin ciyarwa da aka rigaya, sa'an nan kuma an yi amfani da matsi a kan albarkatun filastik a cikin ɗakin ciyarwa ta hanyar matsi.Ana narkar da filastik a ƙarƙashin matsanancin zafin jiki da matsa lamba kuma yana shiga cikin rami ta hanyar tsarin zubar da ƙura.Haɗin haɗin kemikal yana faruwa kuma a hankali yana ƙarfafawa.Ana amfani da tsarin gyare-gyaren canja wuri mafi yawa don robobi na thermosetting, wanda zai iya samar da sassan filastik mafi rikitarwa.
Extrusion mutu kuma ana kiransa extruder head.Wannan gyare-gyare na iya ci gaba da samar da robobi masu siffa iri ɗaya, kamar bututun filastik, sanduna, da zanen gado.Na'urar extruder don dumama da dannawa iri ɗaya ne da na injin allura.Rol ɗin da aka narkar da shi yana wucewa ta kan injin don samar da wani ɓangaren filastik mai ci gaba, wanda ke da ingantaccen samarwa musamman.
Lokacin aikawa: Agusta-18-2021