Uyini umsebenzi we-car time chain
Indima eyinhloko yochungechunge lwezikhathi zezimoto ukushayela umshini we-valve wenjini ukuqinisekisa ukuthi ama-valve okukhiphayo ne-exhaust enjini avuliwe noma avaliwe ngesikhathi esiqondile, ukuze kuqinisekiswe inqubo yokudonsa nokukhipha umoya we-cylinder yenjini. Ngokukhethekile, uchungechunge lwezikhathi lulawula ngokunembile indlela ye-valve yenjini, ukuze ama-valve okukhiphayo nawokukhipha umoya enjini akwazi ukuvuleka futhi avalwe ngesikhathi esifanele ukuze kuqinisekiswe ukusebenza okuvamile kwesilinda senjini.
Amaketanga esikhathi anikeza ukwethembeka nokuqina okuphezulu kunamabhande esikhathi esivamile. Ibhande lesikhathi, elenziwe ngenjoloba, lithule kodwa lihlala isikhathi esifushane futhi ngokuvamile lidinga ukushintshwa njalo ngemva kuka-60,000 kuya ku-100,000 km, ngaphandle kwalokho lingase libangele ukulimala kwenjini. Iketango lesikhathi lenziwe ngensimbi, liphila isikhathi eside, ngokuvamile lingasetshenziswa kuze kube yilapho injini ilahliwe, kodwa umsindo wokusebenza mkhulu, nesidingo samafutha okugcoba ukuze kugcinwe isimo esihle.
Ukwengeza, imijikelezo yokushintshwa kochungechunge lwesikhathi ingahluka ngokwakhiwa kwemoto nemodeli. Isibonelo, iketango lesikhathi ku-VW CC liyanconywa ukuthi lishintshwe njalo ngemva kuka-80,000 km eshayelwa.
Indima eyinhloko yochungechunge lwezikhathi zezimoto ukushayela umshini we-valve wenjini ukuqinisekisa ukuthi i-valve yokukhipha injini ne-exhaust valve ivuliwe noma ivaliwe ngesikhathi esifanele, ukuze kuqinisekiswe ukuthi isilinda senjini ngokuvamile siyakwazi ukuhogela nokukhipha umoya.
Indima ethize
I-valve ye-drive valve : Iketanga lesikhathi ngokusebenzisa indlela yevalvu yenjini yokushayela ukuze kuqinisekiswe ukuthi ivalvu yokudonsa kanye ne-exhaust valve ivula noma ivale ngesikhathi esifanele ukuze kuqinisekiswe ukudonsa nokukhipha okuvamile kwesilinda senjini.
ukudluliswa okuthembekile, ukuqina okuhle : uma kuqhathaniswa nokudluliswa kwebhande lendabuko, ukuhanjiswa kwamaketango kunokwethenjelwa, kuhlala isikhathi eside, futhi kungonga isikhala. I-hydraulic tensioning device ingakwazi ukulungisa ngokuzenzakalelayo ukushuba kweketango, iyenze ingaguquki futhi ingakhathalelwa impilo yonke, kanye nempilo efanayo neyenjini .
Umjikelezo wokulungisa nokubuyisela
Iketango lesikhathi ngokuvamile alidingi ukushintshwa njalo, kodwa ngenxa yesimo salo esinzima sokusebenza, lingase ligqokwe noma lixegiswe ngemva kokusetshenziswa isikhathi eside. Ngakho-ke, kunconywa ukuthi uhlole ukungezwani nokugqoka kweketango njalo futhi uyishintshe uma kunesidingo. Umjikelezo othize wokushintshwa unganqunywa ngokuya ngokusetshenziswa kwemoto kanye nezincomo zomenzi.
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