Zoben piston yana daidaitawa tare da piston a cikin silinda, wanda ke haifar da saman aiki na waje na zoben piston don sawa, kaurin radial na zoben yana raguwa, kuma rata tsakanin buɗewar aiki na zoben piston yana ƙaruwa; Ana sawa ƙasan ƙarshen ƙarshen, tsayin axial na zobe yana raguwa, kuma rata tsakanin zobe da tsagi na zobe, wato, ratar jirgin yana ƙaruwa. Yawanci, yawan lalacewa na yau da kullun na zoben piston yana tsakanin 0.1-0.5mm / 1000h lokacin da injin dizal ke gudana akai-akai, kuma rayuwar zoben piston gabaɗaya 8000-10000h. Zoben fistan da aka saba sawa yana sawa ko'ina tare da kewayawa kuma har yanzu yana manne da bangon silinda, don haka zoben fistan da aka saba sawa yana da tasirin rufewa. Amma a zahiri, saman da'irar da'irar fistan ke aiki galibi ana sawa ba daidai ba ne.
Kafin auna ratar da ke tsakanin buɗewar zobe na piston, ① cire piston daga silinda, cire zoben piston kuma tsaftace zoben piston da silinda. ② Sanya zoben fistan a kan zoben fistan a cikin mafi ƙarancin sawa na ɓangaren ƙananan silinda ko kuma ɓangaren da ba sa sawa na babban ɓangaren silinda kamar yadda ya dace da zoben piston a kan piston, kuma a kiyaye. piston zoben a kwance matsayi.
③ Yi amfani da ma'auni don auna buɗewar buɗe kowane zoben fistan bi da bi. ④ Kwatanta ƙimar tazarar buɗewa da aka auna tare da ƙayyadaddun ƙayyadaddun bayanai ko ƙa'idodi. Lokacin da ƙimar keɓantawar iyaka ta wuce, yana nufin cewa saman saman zoben piston ya wuce gona da iri kuma yakamata a maye gurbinsa da sabo. Ana buƙatar gabaɗaya ƙimar buɗe buɗe zoben piston ya fi ko daidai da izinin taro kuma ƙasa da ƙayyadaddun iyaka. Lura cewa idan ratar buɗewa ya yi ƙanƙanta, ba za a iya gyara shi ta hanyar shigar da buɗewar zoben piston ba.
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