• Background

Chii chinonzi furidza kuumbwa?

Furidzira Kuumbwa inzira yekuumba iyo yakanyungudutswa chubhu (inonzi parison kana preform) ye thermoplastic zvinhu (polymer kana nebwe) uye kuisa parison kana preform mukati meforoma mhango uye kufutidzira iyo chubhu ine yakamanikidzwa mweya, kutora chimiro iyo mhango uye utonhorere chikamu usati wabvisa kubva muforoma.

Chero hollow thermoplastic chikamu chinogona kuputirwa kuumbwa.

Zvikamu hazvingogumiri pamabhodhoro, apo pane kuvhura kumwe chete uye zvinowanzo kuve zvidiki dhayamita kana saizi kupfuura zviyero zvemuviri. Aya ndiwo mamwe eanowanzojairika maumbirwo anoshandiswa mupakeji yevatengi, zvisinei hazvo paine mamwe marudzi chaiwo ezvekuputika zvakaumbwa zvikamu, kusanganisira, asi zvisingagumiri ku:

  • Maindasitiri hombe midziyo
  • Lawn, gadheni uye zvinhu zvemumba
  • Mishonga yekurapa uye zvikamu, matoyi
  • Kuvaka indasitiri zvigadzirwa
  • Zvemotokari-pasi pehodhi zvikamu
  • Zvishandiso zvemagetsi

Ridzai richigadzirisa Kugadzira Maitiro

Pane matatu akakosha marudzi ekurova kuumbwa:

  • Extrusion furidza kuumbwa
  • Jekiseni furidza Kuumbwa
  • Jekiseni tatamuka furidza Kuumbwa

Mhedzisiro huru pakati pavo ndiyo nzira yekuumba parison; kungave ne extrusion kana jekiseni kuumbwa, saizi yeiyo parison uye nzira yekufamba pakati peparison nekuvhuvhuta kuumbwa; ingave yakamira, ichivhara, yakatwasuka kana rotary.

Mune Extrusion Ridzai Kuumbwa- (EBM) iyo polymer yanyungudika uye yakasimba extruded yakanyunguduka inodhonzwa kuburikidza nefa kugadzira mhango chubhu kana parison. Hafu mbiri dzeforoma yakanyoroveswa dzinozovharwa dzakatenderedza parison, mweya wakamanikidzwa unounzwa kuburikidza nepini kana tsono, uchiuputira muchimiro cheforoma, nokudaro uchigadzira chikamu chine mhango. Mushure mokunge mapurasitiki anopisa atonhora zvakakwana, chakuvhe chinovhurwa uye chikamu chabviswa.

MuEBM mune nzira mbiri dzekutsvaira, Inoenderera uye Inopindirana. Mukuenderera, iyo parison inodhonzwa ichienderera uye chakuvhuvhu chinofamba chichienda uye kure neparison. MuIntermittent, plastiki inounganidzwa neyakawedzera mukamuri, ndokumanikidza kuburikidza nefa kuti igadzire parison. Iwo mafuru anowanzo mira pasi kana kutenderedza iyo extruder.

Mienzaniso yeChinoenderera Mbichana michina inoenderera Yekuwedzera Extrusion Shuttle uye michina yeRotary Wheel. Inopindirana extrusion michina inogona kuve Inodzosera Screw kana Accumulator Musoro. Zvinhu zvakasiyana siyana zvinoonekwa kana uchisarudza pakati pezviitiko uye saizi kana mamodheru aripo.

Enzaniso dzezvikamu zvakagadzirwa neEBM maitiro anosanganisira akawanda mashopa zvigadzirwa, senge mabhodhoro, maindasitiri zvikamu, matoyi, mota, zvigadzirwa zvemagetsi uye maindasitiri kurongedza.

Nekuremekedza iyo Injection Blow Systems - (IBS) maitiro, iyo polymer jekiseni rakaumbirwa padumbu mukati mehombodo kugadzira pombi isina chinhu inonzi preform. Iyo preforms inotenderera pane yepakati tsvimbo kune iyo yekuvhuvhuta muforoma kana kuumbwa panzvimbo yekuvhuvhuta kuti ifemerwe uye kutonhora. Maitiro aya anowanzo shandiswa kugadzira mabhodhoro madiki, kazhinji 16oz / 500ml kana zvishoma pane zvakakwira kwazvo. Maitiro acho akapatsanurwa kuita nhanho nhatu: jekiseni, kufuridza uye kuburitsa, zvese zvinoitwa mumushini wakabatanidzwa. Zvikamu zvinobuda zvine huchokwadi hwakapedzwa zviyero uye zvinokwanisa kubata zvakaomarara kushivirira-pasina zvimwe zvekuwedzera mukuumbwa zvinonyanya kushanda.

Mienzaniso yezvikamu zveBS mabhodhoro emishonga, zvikamu zvekurapa, uye cosmetic uye zvimwe zvigadzirwa zvevatengi.

Jekiseni Kutambanudza Ridza Kuumbwa- (ISBM) iyo jekiseni Kutambanudza Ridza Kuumbwa- (ISBM) maitiro akafanana neBS maitiro akatsanangurwa pamusoro, mukuti preform jekiseni rakaumbwa. Iyo yakaumbwa preform inozoendeswa kune yekuvhuvhuta muforoma mune yakagadziriswa mamiriro, asi pamberi pekupedzisira kuputira kwechimiro, iyo preform yakatambanudzwa muhurefu pamwe nehuremu. Iwo chaiwo mapolymers anoshandiswa ndiPET nePP, ane hunhu hwemuviri hunosimbiswa nekutambanudza chikamu cheichi chiitiko. Kutambanudza uku kunopa chikamu chekupedzisira chinogadziridza simba uye chipingaidzo pazvipenga zvakareruka uye akasimba emadziro kupfuura IBS kana EBM - asi, kwete pasina mimwe miganho yakadai semidziyo inobatwa, nezvimwe. ISBM inogona kukamurwa kuita Imwe Nhanho uye Nhanho mbiri maitiro.

Mu Imwe Nhanho gadzira zvese preform kugadzira uye kuputira bhodhoro kunoitwa mumushini mumwe chete. Izvi zvinogona kuitwa mu3 kana 4 chiteshi michina, (Jekiseni, Kugadzirisa, Kufuridza uye Ejection). Maitiro aya pamwe nemidziyo inoenderana anogona kubata zvidiki kusvika kumazana mavhoriyamu emhando dzakasiyana uye mabhodhoro ehukuru.

Mu Nhanho mbiri gadzira epurasitiki anotanga kuumbwa mukati me preform uchishandisa jekiseni kuumbwa muchina wakaparadzaniswa neyekuvhuvhuta muforoma. Izvi zvinogadzirwa nemitsipa yemabhodhoro, kusanganisira tambo pamucheto wakavhurika weakavharwa magumo mhango preform. Aya ma preform anotonhorera, akachengetwa, uye anodyiswa gare gare mune zvakare-kupisa kutambanudza kufuridza mhepo yekuumba muchina. MuMatanho maviri Reheat Blow maitiro, iwo preforms anodziya (kazhinji achishandisa infrared heater) pamusoro pegirazi ravo rekuchinja tembiricha, ndokuzotambanudzwa nekufurwa vachishandisa yakanyanya-kumanikidza mweya mune yekuvhuvhuta mafuru.

Iyi Nhanho Nhanho nzira inokodzera zvakanyanya kune akakwirira mavhoriyamu emidziyo, 1 litre uye pasi, iine kuchengetedza kwakanyanya resin inopa hukuru simba, gasi chipingamupinyi uye zvimwe zvinhu.

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