1. Sefa uye muromo wakabatanidzwa
Kusvibiswa kwepurasitiki kunogona kubviswa nesefa yemuromo unowedzera, kureva kuti, kunyunguduka uye kuyerera kwepurasitiki kuburikidza nemugero, iyo inoparadzaniswa munzvimbo yakamanikana nekuisa.Aya matete uye mapeji anogona kubvisa tsvina uye kugadzirisa kusanganiswa kwemapurasitiki.Naizvozvo, iyo yakagadziriswa musanganiswa inogona kushandiswa kuwana zvirinani kusanganisa maitiro.Midziyo iyi inogona kuiswa pakati pejekiseni cylinder uye jekiseni nozzle kuti iparadzanise uye kusanganisa guruu yakanyungudutswa.Vazhinji vavo vanoita kuti kunyungudika kuyerera nemugero resimbi isina tsvina.
2. Kupera simba
Mamwe mapurasitiki anofanirwa kupinzwa mukati mejekiseni cylinder panguva yekugadzira jekiseni kuti gasi ribude.Kazhinji, magasi aya imhepo chete, asi inogona kunge iri mvura kana imwe-morekuru magasi anoburitswa nekunyungudika.Kana magasi aya asingakwanisi kusunungurwa, anomanikidzwa neglue yakanyunguduka uye anounzwa muforoma, iyo inowedzera uye inoita mabhubhu muchigadzirwa.Kuburitsa gasi risati rasvika pamuromo kana mold, dzikisa kana kuderedza dhayamita yescrew root kuti uderedze kunyungudika muhumburumbira hwejekiseni.
Pano, gasi rinogona kubudiswa kubva mumakomba kana maburi pajekiseni cylinder.Zvadaro, iyo dhayamita ye-screw root inowedzera, uye glue yakanyunguduka ine volatiles yakabviswa inoshandiswa kumuromo.Majekiseni ekuumba majekiseni ane nzvimbo iyi anonzi exhaust jekiseni ekuumba michina.Pamusoro pemushini wekuumba jekiseni rekuburitsa, panofanirwa kunge paine chinopisa chinopisa uye chipfungaidzo chakanaka chekubvisa magasi angangokuvadza.
3. Tarisa vharafu
Hazvina mhosva kuti rudzii rwe screw inoshandiswa, muromo wayo unowanzo kugadzirirwa nevhavha yekumisa.Kuti udzivise purasitiki kuti irege kuyerera kubva mumhuno, mudziyo wekudzikisa (reverse rope) kana muromo unokosha uchaiswawo.Muchiitiko chekushandisa anti-abortion kupa uye kushambadzira, inofanirwa kuongororwa nguva nenguva, nekuti chikamu chakakosha chesilinda yekupfura.Parizvino, iyo switch yemhando nozzle haisi kushandiswa zvakanyanya, nekuti iri nyore kudonhedza mapurasitiki uye kuora mumidziyo.Parizvino, mhando yega yega yepurasitiki ine runyorwa rwemhando dzakakodzera dzepfuti dzekupfura.
4. Kutenderera kumhanya kwe screw
Iyo yekutenderera yekumhanyisa kwe screw inokanganisa zvakanyanya kugadzikana kweiyo jekiseni molding process uye kupisa kunobata papurasitiki.Iyo inokurumidza screw inotenderera, inowedzera tembiricha.Kana iyo screw ichitenderera nekumhanya kwakanyanya, iyo friction (shear) simba rinotumirwa kupurasitiki inovandudza mashandiro epurasitiki, asi zvakare inowedzera kusaenzana kwekunyunguduka kwekushisa.Nekuda kwekukosha kwescrew surface yekumhanya, iyo screw yekutenderera yekumhanyisa yemuchina mukuru-majekiseni wekuumba inofanirwa kuve yakaderera pane yediki-diki-majekiseni ekuumba majekiseni, nekuti kupisa kweshear kunogadzirwa ne screw hombe kwakakwira zvakanyanya kupfuura kuya diki sikururu panguva imwechete yekutenderera kumhanya.Nekuda kwemapurasitiki akasiyana, kumhanya kwescrew kutenderera kwakasiyanawo.
5. Kufungidzira kweplasticizing simba
Kuti uone kana mhando yekugadzira inogona kuchengetedzwa mukuita kwese kwekugadzira, fomula yakapusa ine chekuita nekubuda uye kugadzirwa kweplasticizing inogona kushandiswa seizvi: T = (yakazara jekiseni blow gx3600) ÷ (plasticizing huwandu hwejekiseni rekuumba muchina kg / hx1000 ) t ndiyo nguva shoma yekutenderera.Kana nguva yekutenderera ye mold yakadzikira pane t, muchina wekuumba jekiseni haugone kunyatso purasitiki kuti uwane yunifomu yakanyunguduka viscosity, saka majekiseni ekuumba majekiseni anowanzo kuve nekutsauka.Kunyanya, kana jekiseni richiumba dzakatetepa-madziro kana chaiyo kushivirira zvigadzirwa, iyo jekiseni huwandu uye huwandu hwepurasitiki hunofanirwa kuenderana.
6. Verenga kuchengetedza nguva uye kukosha
Semaitiro akajairwa, nguva yekugara yeimwe purasitiki pamushini wekuumba jekiseni unofanirwa kuverengerwa.Kunyanya kana iyo hombe jekiseni rekugadzira muchina uchishandisa diki jekiseni huwandu, iyo plastiki iri nyore kuora, iyo isingaonekwe kubva pakuona.Kana nguva yekuchengetedza ipfupi, ipurasitiki haizove plastiki yakafanana;Iyo yepurasitiki pfuma ichaora nekuwedzera kwekuchengeta nguva.
Nokudaro, nguva yekudzivirira inofanira kuchengetwa yakafanana.Nzira: kuve nechokwadi chekuti kupinza kwepurasitiki mumushini wekuumba jekiseni kune yakagadzikana kuumbwa, saizi inowirirana uye chimiro.Kana paine kusarudzika kana kurasikirwa muzvikamu zvemushini wekuumba jekiseni, taurira kubazi rekugadzirisa.
7. Mold tembiricha
Gara uchitarisa kana jekiseni rekuumba muchina wakagadzikwa uye unoshanda patembiricha yakataurwa pane rekodhi pepa.Izvi zvakakosha zvikuru.Nekuti tembiricha ichakanganisa kupera kwepamusoro uye goho remajekiseni akaumbwa zvikamu.Zvese zvakayerwa kukosha zvinofanirwa kurekodhwa uye jekiseni rekugadzira muchina woongororwa panguva yakatarwa.
Nguva yekutumira: Aug-15-2022