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Isimiso sokusebenza somshini wokubumba umjovo yiziphi izici zawo.

Umgomo wokusebenza womshini wokubumba umjovo uyafana nalowo wesirinji yomjovo.Kuyinqubo yokujova ipulasitiki encibilikisiwe yepulasitiki (okungukuthi ukugeleza kwe-viscous) endaweni evalekile yesikhunta ngosizo lokuphonswa kwesikulufu (noma i-plunger), kanye nokuthola umkhiqizo ngemva kokuphulukiswa nokubunjwa.

Ukubunjwa komjovo kuyinqubo yomjikelezo, umjikelezo ngamunye ikakhulukazi uhlanganisa: ukudla okulinganiselwe - ukuncibilika kanye neplastiki - umjovo wengcindezi - ukugcwaliswa kwesikhunta nokupholisa - ukuvulwa kwesikhunta nokuthatha izingxenye.Ngemva kokukhipha ingxenye yepulasitiki, vala isikhunta futhi ngomjikelezo olandelayo.

Izinto zokusebenza zomshini wokubumba umjovo: izinto zokusebenza komshini wokubumba umjovo zihlanganisa ukusebenza kwekhibhodi yokulawula, ukusebenza kwesistimu yokulawula ugesi kanye nokusebenza kwesistimu ye-hydraulic.Khetha isenzo senqubo yomjovo, isenzo sokuphakela, ingcindezi yomjovo, isivinini somjovo kanye nohlobo lokukhishwa, qapha izinga lokushisa lesigaba ngasinye somphongolo, futhi ulungise ukucindezela komjovo kanye nomfutho wangemuva.

Inqubo yokubumba yomshini wokubumba umjovo wesikulufa jikelele yilena: okokuqala, engeza ipulasitiki eyimbudumbudu noma eyimpuphu emgqonyeni, futhi wenze ipulasitiki inyibilike ngokujikeleza kwesikulufu kanye nokushisisa kodonga lwangaphandle lomgqomo, bese umshini uvala isikhunta. bese ihambisa isihlalo somjovo phambili ukwenza umlomo wombhobho usondele esangweni lesikhunta, bese ujova uwoyela wokucindezela kusilinda lomjovo ukuze uphushele isikulufu siye phambili, Ngakho, into encibilikisiwe ijovwa esikhunjini esivaliwe ngezinga lokushisa eliphansi phezulu. ukucindezela kanye nesivinini esisheshayo.Ngemva kwesikhathi esithile nokugcinwa kwengcindezi (okubizwa nangokuthi i-pressure hold) kanye nokupholisa, isikhunta singavulwa futhi umkhiqizo ungakhishwa (inhloso yokubamba ingcindezi ukuvimbela ukugeleza okuphambene kwezinto ezincibilikisiwe emgodini wesikhunta, isengezo. izinto zokwakha emgodini wesikhunta, futhi uqinisekise ukuthi umkhiqizo unokuminyana okuthile nokubekezelelana kobukhulu).Izidingo eziyisisekelo zokubunjwa komjovo yi-plasticization, umjovo nokubumba.I-Plasticization iyisisekelo sokuqaphela nokuqinisekisa ikhwalithi yemikhiqizo ebunjiwe.Ukuze kuhlangatshezwane nezidingo zokubunjwa, umjovo kumele uqinisekise ingcindezi nesivinini esanele.Ngesikhathi esifanayo, ngenxa yengcindezi ephezulu yomjovo, ukucindezela okuphezulu kukhiqizwa emgodini wesikhunta (isilinganiso sokucindezela emgodini wesikhunta ngokuvamile siphakathi kuka-20 ~ 45MPa), ngakho-ke kufanele kube namandla amakhulu ngokwanele okubamba.Kungabonakala ukuthi idivayisi yomjovo kanye nedivaysi yokubopha yizingxenye ezibalulekile zomshini wokubumba umjovo.


Isikhathi sokuthumela: Dec-20-2021