Sinotruk KC1560030012 336/371HP Injin gyara kayan aikin Sinotruk Howo Injin sassan Silinda liner, piston da piston zoben injin kit

Ilimin da ya dace

Haɗin gwiwar waɗannan sassa guda huɗu suna tasiri kai tsaye ga cikakken wasan kwaikwayon injin, da kuma rayuwar sabis da amincin injin.Hudu matching wani manufa taro ne da aka kafa ta hanyar zaɓi, wanda ba wai kawai ya ceci matsalar siyan sassa daban-daban ba, har ma yana kawar da abubuwan da ba su dace ba saboda zaɓin sassa daban-daban, wanda zai iya rage haɗarin gazawar injin da haɓaka ƙarfin. na injin, don tsawaita rayuwar sabis.Yawancin masu amfani a cikin kasuwar bayan-tallace-tallace ana ƙauna da fifiko.

Yanayin aiki na fistan yana da tsauri sosai.saman yana cikin hulɗa tare da iskar gas mai zafi kuma yana ɗaukar tasiri mai girma da kuma ƙarfin da ba zai iya haifar da motsi mai sauri ba.Duk sassan duka fistan suna ƙarƙashin ƙarfi da ƙarfi da ƙarfi na tashin hankali, matsawa da lanƙwasa, kuma dumama ba daidai ba ne.Sabili da haka, ana buƙatar piston don samun ƙananan taro, ƙananan haɓakar thermal, canja wurin zafi mai kyau da juriya.Fistan da mu ke samarwa an yi shi ne da gawa na aluminum, wanda shine kayan da aka zaɓa don piston mota a halin yanzu.Piston dole ne ya dace da bangon Silinda.Saka zoben fistan akan fistan shine matakin da aka ɗauka don magance wannan matsalar.An raba zoben piston zuwa zoben gas da zoben mai.Tsohon yana hana cakuda konewa daga shiga cikin crankcase;Na karshen an yi shi da baƙin ƙarfe na simintin ƙarfe, tare da karkata baki da elasticity.Lokacin da aka sanya hannu akan fistan, yana da halaye na mikewa waje da mannewa bangon Silinda.Saboda haka, mu piston zobe da aka yi da aluminum gami don tabbatar da elasticity.Abu na silinda liner dole ne ba kawai da isasshen inji ƙarfi da zafi, amma kuma da kyau lalacewa juriya, lalata juriya, mai riƙe da lubricity, wanda mafi muhimmanci shi ne lalacewa juriya.A halin yanzu, abubuwan da aka saba amfani da su na layin Silinda sune baƙin ƙarfe na nodular simintin ƙarfe, babban simintin ƙarfe na phosphorus da baƙin ƙarfe.Abun fistan fil gabaɗaya ƙananan ƙarfe na carbon ko ƙaramin ƙarfe na gami da ƙarancin carbon.Karfe 15, 20, 15Cr, 20Cr da 20Mn2 ana amfani da su a cikin injinan da ba su da nauyi.Ana amfani da manyan ƙarfe na ƙarfe masu daraja, kamar crni3a, 18cr mnti2 da 20si MnVB, don ƙarfafa injuna.Wani lokaci kuma ana iya amfani da ƙarfe 45 matsakaici na carbon.Domin sanya saman fitin fil ɗin ya yi ƙarfi da juriya, fil ɗin piston yana buƙatar maganin zafi.Carburize da kuma kashe saman fistan fil wanda aka yi da ƙananan ƙarfe na carbon.Dangane da girman fil fil, zurfin carburized Layer gabaɗaya yana cikin kewayon 0.5-2mm.Don fil fistan karfe 45, ana aiwatar da quenching surface, kuma zurfin quenching Layer shine 1-1.5mm.