Ana amfani da waɗannan matakai guda biyu don yin ɓarna, sassa marasa ƙarfi daga cikin polymers na thermoplastic.Hakanan za'a iya amfani da gyare-gyaren jujjuya don ma'aunin zafi da sanyio.Sassan suna da girma daga ƙananan kwalabe na filastik na 5 ml (0.15 oz) kawai zuwa manyan ganguna na ajiya na 38,000 l (10,000 gal).Kodayake hanyoyin biyu suna gogayya a wasu lokuta, gabaɗaya sun sami nasu alkuki.Yin gyare-gyaren busa ya fi dacewa da yawan samar da ƙananan kwantena, yayin da gyare-gyaren juyawa ya fi dacewa da manyan siffofi mara kyau.
Blow gyare-gyare tsari ne na gyare-gyare wanda ake amfani da matsa lamba na iska don hura robo mai laushi zuwa cikin rami.Yana da mahimmancin tsarin masana'antu don yin sassa na filastik maras kyau guda ɗaya tare da bangon sirara, kamar kwalabe da kwantena iri ɗaya.Tun da yawancin waɗannan abubuwan ana amfani da su don shaye-shaye masu amfani don kasuwannin jama'a, ana shirya samarwa yawanci don adadi mai yawa.An aro fasahar ne daga masana'antar gilashin da robobi ke gogayya da su a kasuwar kwalaben da za'a iya zubarwa ko sake yin amfani da su.
Extrusion Blow Molding.Wannan nau'i na gyare-gyaren busa ya ƙunshi zagayowar da aka kwatanta a ƙasa.A mafi yawan lokuta, an tsara tsarin a matsayin babban aikin samarwa don yin kwalabe na filastik.Jerin yana sarrafa kansa kuma galibi ana haɗa shi tare da ayyukan ƙasa kamar cika kwalba da lakabi.Yawancin lokaci abin da ake buƙata shine kwandon da aka hura ya kasance mai ƙarfi, kuma ƙaƙƙarfan ya dogara da kaurin bango a tsakanin sauran abubuwa.
Injection Blow Molding.A cikin wannan tsari, farkon parison ana yin allura maimakon extruded.An zayyana sauƙaƙan jeri a ƙasa.Idan aka kwatanta da mai fafatawa na tushen extrusion, tsarin gyare-gyaren allura yana da ƙarancin samarwa, wanda ke bayyana dalilin da yasa ba a cika amfani da shi ba.
A cikin sãɓãwar launukansa na allura gyare-gyaren gyare-gyaren, wanda ake kira stretch busa gyare-gyaren , sandar busa ta shimfiɗa ƙasa zuwa cikin allurar da aka ƙera a lokacin mataki na 2, don haka ya shimfiɗa filastik mai laushi da kuma haifar da damuwa mai kyau na polymer fiye da na al'ada allura gyare-gyare ko extrusion busa gyare-gyaren. .Tsarin da aka samu ya fi tsayi, tare da nuna gaskiya mafi girma da mafi kyawun tasiri.Abubuwan da aka fi amfani da su don gyare-gyaren busawa shine polyethylene terephthalate (PET), polyester wanda ke da ƙarancin lalacewa kuma yana ƙarfafa ta hanyar gyare-gyaren-busa-busa.Haɗuwa da kaddarorin ya sa ya zama manufa a matsayin akwati don abubuwan sha na carbonated.
Kayayyaki da Kayayyaki.Busa gyare-gyare yana iyakance ga thermoplastics.Polyethylene shine polymer da aka fi amfani dashi don gyare-gyaren busa;musamman, babban yawa da babban nauyin kwayoyin polyethylene (HDPE da HMWPE).Idan aka kwatanta kaddarorin su tare da waɗanda ke da ƙarancin ƙarancin PE da aka ba da buƙatu don tauri a cikin samfurin ƙarshe, yana da ƙarin tattalin arziƙi don amfani da waɗannan kayan da suka fi tsada saboda ana iya yin ganuwar ganuwar.Sauran gyare-gyaren busa an yi su da polypropylene (PP), polyvinylchloride (PVC), da polyethylene terephthalate.
Kwantenan da za a iya zubarwa don tattara kayan masarufi na ruwa sun zama babban kaso na samfuran da aka yi ta hanyar gyare-gyaren busa;amma ba su ne kawai samfuran ba.Sauran abubuwa sun haɗa da manyan ganguna na jigilar kaya (gallon 55) na ruwa da foda, manyan tankunan ajiya (gallon 2000), tankunan mai na motoci, kayan wasan yara, da tarkacen allunan tuƙi da ƙananan jiragen ruwa.A cikin al'amarin na ƙarshe, ana yin ƙullun kwale-kwale guda biyu a cikin gyare-gyare guda ɗaya kuma daga baya a yanke su zuwa buɗaɗɗe biyu.
Lokacin aikawa: Maris-15-2016