Nau'o'i 5 Na Gyaran Filastik Don Masu Kera Kayan Filastik Na Musamman

Akwai nau'ikan robobi guda biyu: thermoplastik da thermo-m. Thermoplastics suna narkewa kuma ba su da thermoplastic. Bambanci shine yadda ake samar da polymers. Polymers, ko sarƙoƙi na atom, kamar igiyoyi masu girma ɗaya ne a cikin thermoplastics, kuma idan sun narke, za su iya ɗaukar sabon salo. A cikin ma'aunin zafi da sanyio suna cibiyoyin sadarwa masu girma uku waɗanda koyaushe suna riƙe da sifar su. Ana amfani da matakai iri-iri don ƙirƙirar ko ƙera robobi, wasu suna hidima ne kawai don thermoplastics, wasu kawai don zafin zafi kuma wasu hanyoyin suna hidima duka.

Extrusion

Extrusion wani tsari ne na gyare-gyare wanda ke farawa da kayan filastik "danye" kamar granules, foda, ko lu'u-lu'u. Hopper yana ciyar da robobi zuwa ɗaki mai juyawa. Gidan, wanda ake kira extruder, yana haɗuwa kuma yana narkar da filastik. Ana fitar da robobin da aka narke ta hanyar mutuwa kuma yana ɗaukar siffar ƙãre samfurin. Abun ya faɗi akan bel ɗin jigilar kaya wanda aka sanyaya shi da ruwa kuma a yanke shi. Wasu samfuran da za a iya kera su ta hanyar extrusion sun haɗa da zanen gado, fim da bututu.

Gurasar Injection

Gurasar Injection yana amfani da ka'ida ɗaya kamar extrusion. Ana ciyar da ɗanyen robobi daga hopper zuwa ɗakin dumama. Duk da haka, maimakon a tilasta shi ya wuce ta mutuwa, an tilasta shi a cikin sanyi mai sanyi a ƙarƙashin matsin lamba. Filastik ɗin yana sanyaya kuma yana ƙarfafawa, kuma an tsaftace samfurin kuma an gama. Wasu samfuran da aka yi ta allura sun haɗa da fakitin man shanu, kwalabe, kayan wasan yara da kayan lambu.

Tsarin iska

Yin gyare-gyare yana amfani da allurar iska bayan an fitar da robobi ko allura. Extrusion busa gyare-gyaren yana amfani da mutu wanda ke haifar da bututun filastik mai zafi tare da sanyaya mai a kusa da shi. Ana yin allurar da aka matse ta cikin bututu don tilasta filastik ya ɗauki siffar ƙirar. Wannan yana bawa masana'antun damar ƙirƙirar sifofi masu ɗorewa masu ɗorewa, amma dole ne su yi allurar kowane ɗayansu. Har ila yau, busa allura yana amfani da nau'in allura, amma maimakon samun samfurin da aka gama, ƙirar shine matsakaicin mataki wanda ake zafi da robobin don a hura shi zuwa siffarsa ta ƙarshe a cikin wani nau'in sanyi daban.

Matsawa gyare-gyare

Yin gyare-gyaren matsi shine tsarin ɗaukar ƙayyadadden ƙayyadaddun ƙwayar filastik, sanya shi a cikin wani nau'i, sa'an nan kuma amfani da wani nau'i don murkushe shi ko danne shi a cikin na farko. Tsarin na iya zama atomatik ko manual kuma ya dace da duka thermoplastic da kayan zafi mai zafi.

Thermoformed

Thermoforming shine tsarin dumama fim ɗin filastik ba tare da narke shi ba, tausasa shi ya isa ya ɗauki nau'in ƙirar da aka matse shi. Mai sana'anta yana sanya filastik ya ɗauki siffar da ake so ta amfani da matsi mai tsayi, vacuum ko ƙirar namiji. Bayan samfurin da aka gama ya sanyaya, an cire shi daga cikin ƙirar kuma an sake yin amfani da ragowar don amfani da sabon fim.

Filastik allura gyare-gyaren tsari

Yin gyaran allura yana ɗaya daga cikin manyan hanyoyin yin filastik. Mataki na farko a cikin tsarin gyaran allura shine ciyar da granules na filastik a cikin hopper, sannan ciyar da granules a cikin silinda. Ganga yana zafi kuma ya ƙunshi madadin dunƙule ko allurar rago. Ana samun madadin dunƙule a kan injuna waɗanda ke samar da ƙananan sassa. Matsakaicin juzu'i yana murƙushe ɓangarorin, yana sauƙaƙawa filastik ya zama ruwan dare. Zuwa gaban ganga, dunƙule mai jujjuyawar tana jan robobin gaba, tana allura robobin ta bututun ƙarfe kuma cikin sigar da ba kowa. Ba kamar ganga ba, ana kiyaye ƙuran sanyi don taurara robobin zuwa madaidaicin siffar. An rufe faranti na gyare-gyare da babban faranti (ana nufin faranti mai motsi). An haɗa farantin mai motsi zuwa piston na ruwa, wanda ke yin matsin lamba akan ƙirar. Rufaffen manne na filastik filastik yana hana shi tserewa, wanda zai haifar da nakasawa a cikin sassan da aka gama.

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