Piston na injin mota yana daya daga cikin manyan sassan injin din, shi da zoben piston, piston pin da sauran sassan rukunin piston, da kan silinda da sauran abubuwan da aka hada don samar da dakin konewa, suna jure karfin iskar gas. da kuma wuce wutar lantarki zuwa crankshaft ta hanyar fil ɗin piston da haɗin haɗin gwiwa don kammala aikin aikin injin konewa na ciki.
Domin piston yana cikin yanayin aiki mai sauri, matsa lamba da zafin jiki mai zafi, amma kuma don la'akari da aiki mai santsi da ɗorewa na injin, ana buƙatar piston shima yana da isasshen ƙarfi da taurin kai. Kyakkyawan yanayin zafi, juriya mai zafi, ƙananan haɓaka haɓakawa (girma da sauye-sauyen siffar su zama ƙananan), ƙananan ƙananan ƙananan (nauyin haske), lalacewa da juriya na lalata, amma kuma ƙananan farashi.Saboda da yawa da manyan buƙatun, wasu buƙatun sun saba wa juna, yana da wuya a sami kayan piston wanda zai iya cika bukatun.
Fistan na zamani injin gabaɗaya an yi shi da aluminum gami, saboda aluminum gami yana da abũbuwan amfãni daga kananan yawa da kuma mai kyau thermal watsin, amma a lokaci guda, shi yana da disadvantages na in mun gwada da manyan fadada coefficient kuma in mun gwada da matalauta high zafin jiki ƙarfi, wanda zai iya. kawai za a sadu da madaidaicin tsarin tsari.Sabili da haka, ingancin injin mota ya dogara ba kawai akan kayan da aka yi amfani da su ba, har ma a kan ma'anar ƙira.
Akwai dubun-dubatar sassa a cikin mota, kama daga crankshafts da akwatunan kaya zuwa wankin bazara da kusoshi da goro.Kowane bangare yana da rawar da ya taka, kamar zoben piston "ƙananan", da alama mai sauƙi daga siffar, nauyi mai sauƙi, farashin kuma yana da arha, amma rawar ba ƙaramin abu bane.Idan ba tare da shi ba, motar ba za ta iya motsawa ba, ko da tana da ƴan matsala, motar ba za ta zama al'ada ba, ko dai yawan man fetur, ko rashin isasshen wutar lantarki.A hade da dukan piston kungiyar da Silinda, piston kungiyar da gaske tuntuɓar bangon Silinda na Silinda shine zoben piston, wanda ke cike gibin da ke tsakanin piston da bangon Silinda don rufe ɗakin konewa, don haka shi ma mafi sauƙin sawa sashi a cikin injin.Gabaɗaya zoben piston an yi shi da baƙin ƙarfe na simintin gyare-gyare, yana da ƙayyadaddun ƙimar ƙarfi, yana da nau'ikan sifofi na ɓangaren giciye, kuma yana da sutura a saman don ƙara haɓaka aiki.Lokacin da injin ke aiki, fistan za a yi zafi kuma a faɗaɗa shi, don haka zoben fistan yana da buɗaɗɗen rata.
Don kula da matsananciyar lokacin shigarwa, ya kamata a ɗora ratar buɗewar zoben piston.Piston sau da yawa yana da zoben fistan uku zuwa hudu, waɗanda aka kasu kashi biyu na zoben gas da zoben mai gwargwadon aikinsu.Ana shigar da zoben iskar gas a cikin ramin zobe a saman saman saman piston don hana zubar iska, canja wurin zafin kan piston zuwa bangon Silinda, da fitar da zafin fistan.Ayyukan zoben mai shine hana mai mai mai shiga cikin ɗakin konewa, da kuma goge man da ya wuce gona da iri akan bangon Silinda zuwa kaskon mai, wanda aka sanya a cikin ƙananan zoben zoben gas.Muddin an tabbatar da buƙatun aikin rufewa, adadin zoben piston ɗin bai kai adadin mafi kyau ba, adadin zoben piston ya yi ƙasa da ƙaramin yanki na juzu'i, rage asarar wutar lantarki, da rage tsayin piston, wanda daidai gwargwado yana rage tsayin injin.
Idan ba a shigar da zoben fistan ba daidai ba ko kuma rufewar ba ta da kyau, zai sa man da ke jikin bangon Silinda ya ƙone tare da ɗakin konewa da kuma cakuɗewar, wanda zai sa mai ya ƙone.Idan izinin da ke tsakanin zoben piston da bangon silinda ya yi ƙanƙanta ko kuma zoben piston ya makale a cikin ramin zobe saboda tarin carbon, da dai sauransu, lokacin da piston ya yi motsi mai juyawa sama da ƙasa, yana iya yiwuwa ya katse silinda. bango, kuma bayan lokaci mai tsawo, zai samar da tsagi mai zurfi a kan bangon Silinda, wanda aka ce sau da yawa cewa "silinda ja" sabon abu.Katangar Silinda tana da tsagi, kuma rufewar ba ta da kyau, wanda kuma zai haifar da konewar mai.Saboda haka, ya kamata a duba yanayin aiki na piston akai-akai don kauce wa faruwar yanayi biyu na sama da kuma tabbatar da kyakkyawan yanayin tafiyar da injin.
Lokacin aikawa: Jul-03-2023