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Menene hanyoyin PET kwalban preform busa gyare-gyare?

1. Extrusion busa gyare-gyare

Extrusion busa gyare-gyaren yana ɗaya daga cikin hanyoyin da aka fi amfani da su don kwantenan marufi.Ana narkar da foda (ko kayan granular) na filastik thermosetting ta hanyar extruder, sa'an nan kuma a sanya shi a matsayin parison mai narke mai zafi bisa ga bututun abu na musamman.Lokacin da parison ya wuce tsayin da aka saita, parison ya shiga cikin mold, an rufe mold, sa'an nan kuma busa gyare-gyare.
Halayen wannan hanyar yin gyare-gyaren sune: ingantaccen masana'antu, daidaitaccen zafin jiki na parison, fa'ida mai ƙyalli na siffa, girman da kauri na bangon kwandon mara kyau, daidaitawa mai ƙarfi, ƙarfin matsawa na tsarin gyare-gyaren busa, injina mai sauƙi da kayan aiki, da ƙarancin ƙarfi. zuba jarin injiniya.Duk da haka, daidaiton aikin hannu ba shi da yawa.Ramin ciki na zaren waje zai canza tare da canjin zaren waje a saman.Akwai suturar patchwork a kasan kwandon.

2. Injection busa gyare-gyare
Yin gyare-gyaren busa allura yana amfani da injin filastik don allurar parison a cikin mandrel.Bayan an kwantar da parison a tsaka-tsaki, ana ciyar da mandrel da parison cikin kayan aikin gyare-gyare.Kayan aikin gyare-gyaren bugun yana danna mashin kuma an rufe iskar da aka gabatar da kuma matsawa don faɗaɗawa da samar da kayan aikin hannu da ake buƙata, kuma ana cire kayan bayan an sanyaya su da ƙarfi.
Halayen wannan gyare-gyaren hanya: babu seams a cikin sana'a, babu bukatar daga baya gyare-gyare, high madaidaici na waje zaren da kwalban stoppers, ciki rami na kai da wuyansa ne a kan m da'irar, da samar iya aiki iya zama. babbar, akwai 'yan karin injuna da kayan aiki, da kuma matsawa ƙarfi na kasan samfurin ne High, low albarkatun kasa amfani, uniform kauri bango, da kuma high masana'antu yadda ya dace.Duk da haka, zuba jarurruka a cikin ayyukan kayan aikin injiniya yana da girma, tsarin samarwa yana da tsawo, abubuwan da ake buƙata don masu aiki masu aiki suna da yawa, bayyanar bai kamata ya zama mai rikitarwa ba, kuma ƙayyadaddun kwantena suna iyakance, don haka ya dace da masana'antu ƙananan da matsakaici. babban madaidaicin kwantena.

3. Gyaran bugun busa
Hanyar yin gyare-gyaren ita ce yin amfani da sandar shimfiɗa don aiwatar da shimfidar radial sannan kuma nan da nan aiwatar da gyaran fuska.Bugu da ƙari, yayin aiwatar da gyare-gyaren, ƙwayoyin macromolecules na halitta suna daidaitawa a kan bangon zane-zane, ta yadda za a inganta aikin kwandon filastik.
Halayen wannan gyare-gyaren hanya ne: low lahani kudi, high masana'antu yadda ya dace, sauki iko da net nauyi, high karaya taurin, inganta rigidity, inganta karfinsu da santsi na handicrafts, da kuma mai kyau shãmaki da sealing Properties , amma zafin jiki kula da bukatun ga mikewa. sun yi girma sosai, kuma jarin injuna da kayan aiki yana da girma sosai.


Lokacin aikawa: Nuwamba-14-2023