Imishini yokubumba umjovo wepulasitiki iyimishini efudumeza futhi ixube ama-pellets epulasitiki aze ancibilike abe uketshezi, olube seluthunyelwa ngesikulufu bese luphoqwa nge-outlet lube isikhunta ukuze luqine njengezingxenye zepulasitiki.
Kunezinhlobo ezine eziyisisekelo zemishini yokubumba, ehlukaniswe ngamandla asetshenziswa ukujova ipulasitiki: i-hydraulic, kagesi, i-hybrid hydraulic-electric, kanye nezibumba zokujova eziyimishini.Imishini ye-Hydraulic, esebenzisa amamotho kagesi ukunika amandla amaphampu amanzi, yayiwuhlobo lokuqala lwemishini yokubumba umjovo wepulasitiki.Iningi lemishini yokubumba umjovo kuseyilolu hlobo.Kodwa-ke, imishini kagesi, eyingxubevange neyemishini inokunemba okukhulu.Izibumba zokujova ngogesi, zisebenzisa ama-servo motors asebenza ngogesi, zisebenzisa amandla amancane, kanye nokuthula nokushesha.Kodwa-ke, futhi zibiza kakhulu kunemishini esebenza ngamanzi.Imishini ehlanganisiwe isebenzisa inani elifanayo lamandla njengamamodeli kagesi, ithembele kudrayivu ye-AC enamandla ahlukahlukene ehlanganisa womabili amadrayivu e-hydraulic kanye ne-electric motor.Okokugcina, imishini yemishini inyusa amathani kusinsimbi ngohlelo lokuguqula ukuze kuqinisekiswe ukuthi ukukhanya akungeni ezingxenyeni eziqinile.Yomibili le mishini kanye nekagesi ingcono kakhulu emsebenzini wegumbi elihlanzekile njengoba kungekho bungozi bokuvuza kwesistimu ye-hydraulic.
Ngalunye lwalezi zinhlobo zemishini lusebenza kahle kakhulu ezicini ezihlukene, nokho.Imishini kagesi ingcono kakhulu ngokunemba, kuyilapho imishini ye-hybrid inikeza amandla amaningi okubamba.Imishini ye-hydraulic nayo isebenza kangcono kunezinye izinhlobo zokukhiqiza izingxenye ezinkulu.
Ngaphezu kwalezi zinhlobo, imishini iza ngohlu lwamathani ukusuka ku-5-4,000 amathani, asetshenziswa kuye ngokuthi i-viscosity yepulasitiki nezingxenye ezizokwenziwa.Imishini esetshenziswa kakhulu, nokho, imishini engamathani ayi-110 noma angama-250.Ngokwesilinganiso, imishini emikhulu yokubumba umjovo ingabiza ukusuka ku-$50,000-$200,000 noma ngaphezulu.Imishini engamathani angu-3,000 ingabiza u-$700,000.Ngakolunye uhlangothi lwesikali, umshini wokubumba umjovo wedeskithophu onamandla angamathani angu-5 ungabiza phakathi kwama-$30,000-50,000.
Ngokuvamile isitolo semishini sizosebenzisa uhlobo olulodwa lomshini wokubumba umjovo, njengoba izingxenye zikhethekile kumkhiqizo ngamunye- kubiza kakhulu ukushintsha kusuka kolunye uhlobo kuye kolunye (okuhlukile kulokhu izingxenye zesikhunta, ezihambisana nezinhlobo ezahlukene. Ngayinye. imishini yomkhiqizo izokwenza imisebenzi ethile kangcono kuneminye.
Izisekelo Zemishini Yokubumba Umjovo Wepulasitiki
Izisekelo zemishini yokubumba yomjovo wePlastiki zinezingxenye ezintathu ezinkulu: iyunithi yomjovo, isikhunta, kanye neyunithi yokubopha/i-ejector.Sizogxila ezingxenyeni zethuluzi lesikhunta sokujova ezigabeni ezilandelayo, ezihlehlela kusistimu ye-sprue ne-runner, amasango, ama-halves amabili we-mold cavity, kanye nezenzo ezisemaceleni ozikhethela.Ungafunda kabanzi mayelana nenqubo yezinto eziyisisekelo zokubumba umjovo wepulasitiki ngokusebenzisa i-athikili yethu eningilizayo ethi Izinto Eziyisisekelo Zokubumba Umjovo Wepulasitiki.
1. Isikhunta Cavity
Isikhunta ngokuvamile sinezinhlangothi ezimbili: uhlangothi A nohlangothi B.I-core (B Side) ngokuvamile iwuhlangothi olungezona izimonyo, lwangaphakathi oluqukethe izikhonkwane zokukhipha eziphusha ingxenye eqediwe iphume esikhunjeni.Umgodi (A Side) uyingxenye yesikhunta ipulasitiki encibilikisiwe egcwalisa.Izimbobo zesikhunta zivame ukuba nezimbobo ezivumela umoya ukuba uphume, obungashisa kakhulu futhi kubangele izimpawu zokusha ezingxenyeni zepulasitiki.
2. Uhlelo lomgijimi
Isistimu yomgijimi ishaneli exhuma izinto zepulasitiki eziwuketshezi ukusuka kusiphakeli sesikulufu kuya engxenyeni yengxenye.Esikhunjini sokugijima esibandayo, ipulasitiki izoqina ngaphakathi kweziteshi zokugijima kanye nezingxenye zemigodi.Lapho izingxenye zikhishwa, abagijimi bayakhishwa futhi.Abagijimi bangagundwa ngokusebenzisa izinqubo ezenziwa ngesandla njengokugunda ngama-die cutters.Amanye amasistimu omgijimi abandayo akhipha ngokuzenzakalelayo abagijimi futhi ahlukanise ngokuhlukana kusetshenziswa isikhunta samapuleti amathathu, lapho umgijimi ahlukaniswa ngepuleti elengeziwe phakathi kwendawo yomjovo nesango lengxenye.
Isikhunta somgijimi oshisayo asikhiqizi izigijimi ezinamathiselwe ngoba okuphakelayo kugcinwa esimweni sokuncibilika kuze kufike esangweni lengxenye.Kwesinye isikhathi ibizwa ngokuthi "amaconsi ashisayo," uhlelo lomgijimi oshisayo lunciphisa udoti futhi luthuthukise ukulawulwa kokubumba ngezindleko ezikhulayo zamathuluzi.
3. Izihlahla
Ama-sprues umzila lapho ipulasitiki encibilikisiwe ingena khona isuka emlonyeni, futhi ngokuvamile ihlangana nomgijimi oholela esangweni lapho ipulasitiki ingena khona emigodini yesikhunta.I-sprue iyishaneli yobukhulu obukhulu kunomzila womgijimi ovumela inani elifanele lempahla ukuthi ligeleze lisuka eyunithi yomjovo.Umfanekiso wesi-2 ngezansi ubonisa lapho i-sprue yengxenye yokubumba yayilapho ipulasitiki eyengeziwe yaqina khona.
I-sprue ngqo esangweni elinqenqemeni lengxenye.Izici ze-perpendicular zibizwa ngokuthi "ama-cold slugs" futhi zisiza ukulawula ukugunda kwezinto ezingena esangweni.
4. Amasango
Isango imbobo encane ethuluzini elivumela ipulasitiki encibilikisiwe ukuthi ingene emgodini wesikhunta.Izindawo zesango zivame ukubonakala engxenyeni ebunjiwe futhi zibonakala njengesiqephu esincane esimaholoholo noma isici esifana ne-dimple eyaziwa ngokuthi isango lesango.Kunezinhlobo ezahlukene zamasango, ngalinye linamandla alo kanye nokuhwebelana.
5. Ulayini Wokuhlukanisa
Umugqa wokuhlukanisa oyinhloko wengxenye ebunjiwe yomjovo wakheka lapho amahhafu esikhunta amabili esondelana ukuze ajove.Kuwumugqa omncane wepulasitiki ojikeleza ububanzi obungaphandle bengxenye.
6. Izenzo Eziseceleni
Izenzo eziseceleni ziyizinto ezifakiwe ezifakwe esikhunjeni esivumela okubalulekile ukuthi kugeleze ngakuzo ukuze kwakhe isici se-undercut.Izenzo eziseceleni kufanele futhi zivumele ukukhishwa okuyimpumelelo kwengxenye, ukuvimbela isikhiya sokufa, noma isimo lapho ingxenye noma ithuluzi kufanele lonakaliswe ukuze kukhishwe ingxenye.Ngenxa yokuthi izenzo eziseceleni azilandeli inkombandlela yethuluzi elivamile, izici ze-undercut zidinga ama-engeli asalungiswa aqondene nomnyakazo wesenzo.Funda kabanzi mayelana nezinhlobo ezijwayelekile zezenzo eziseceleni nokuthi kungani zisetshenziswa.
Ezibunjeni ezilula zika-A no-B ezingenayo i-undercut geometry, ithuluzi lingavala, lenze, futhi likhiphe ingxenye ngaphandle kwezindlela ezingeziwe.Nokho, izingxenye eziningi zinezici zokuklama ezidinga isenzo eseceleni ukuze zikhiqize izici ezifana nokuvuleka, imicu, amathebhu, noma ezinye izici.Izenzo eziseceleni zakha imigqa yokuhlukanisa yesibili.
Isikhathi sokuthumela: Mar-20-2023