Ƙarfin roba na zoben piston wani muhimmin abu ne da ke shafar allurar mai na bututun mai. Za'a iya bincika elasticity na zoben piston tare da gwajin bazara ko hanyar kwatanta. A wannan lokacin, ana iya kafa tsohuwar zoben fistan da zoben fistan tare, kuma ana iya matsa lamba daga sama da hannu. Idan tsoffin tashoshin zobe sun hadu kuma sabbin tashoshin zoben har yanzu suna da rata mai yawa, yana nufin cewa zoben fistan yana da ƙarancin elasticity. Bincika yanayin lamba da hatimi na zoben piston da silinda: Sanya zoben fistan lebur a cikin silinda, sanya kwan fitila a ƙarƙashin zoben piston, sa'annan a sanya garkuwar haske a kai don lura da kwararar hasken da matakin rufewa. zoben piston a cikin layin Silinda.

Babban abin da ake buƙata shine lokacin da ake auna tazarar haske na zoben piston tare da ma'aunin kauri, kada ya wuce 0.03mm. Zoben piston yana jujjuyawa saboda girgiza yayin aiki. Wannan lamari ne na al'ada. Injin ya riga ya shigar da sabon layin Silinda lokacin shigar da haɗin sandar piston. Matukar an raba zoben piston a kusurwar da aka tsara, buɗewar zoben fistan ba za su jujjuya su su zo juna ba. Lokacin da silinda liner ya samar da ellipse da taper saboda ɓarna na ɓarna ko kuma wuce gona da iri na piston, yana yiwuwa a sa buɗewar zoben piston ya juya zuwa hanya guda har sai ellipse. Domin a wannan lokacin, saboda ellipse na layin Silinda, ana hana tsawaita buɗewar zoben piston ɗin juyawa, wanda hakan ya sa buɗe zoben zoben su zo a hankali a hankali, iskar gas ɗin ke zubowa ƙasa, man injin ɗin ya faɗo sama ya fito.

Lokacin da aka karkatar da sandar haɗin gwiwa kuma ta lalace, izinin da ke tsakanin fistan da saitin silinda ya yi girma sosai, kuma ratar buɗewar zoben piston ya yi girma da yawa, yana iya haifar da zubewar iska, yana haifar da ƙaurawar zoben piston ya zama biyu. EQ6100-1 engine piston zobe maye lokaci: tsakanin biyu overhauls na engine, abin hawa tafiya game da 80,000 km, wanda yayi daidai da game da 0.15mm na Silinda mazugi lalacewa, ko kuma karshen ratar da piston zobe ya wuce 2mm; Ƙarfin injin Ayyukan yana raguwa sosai, yawan amfani da man fetur da mai yana ƙaruwa sosai, walƙiya yana da sauƙi ga ajiyar carbon, kuma piston zoben ya karye. Lokacin zabar zoben fistan, ya kamata a yi amfani da zoben piston mai daraja ɗaya da fistan.