1. Nauyin haɗin haɗin piston yana da wani tasiri akan bambancin nisa na hannu, musamman ga manyan injunan diesel marasa sauri.
Ka'idar tasirin nauyin igiyar haɗin piston akan bambancin nisa na hannu shine gabaɗaya: lokacin da nauyin kowane babban shaft ɗin ya kasance daidai kuma an haɗa babban jarida da ƙananan daji mai ɗaukar hoto da kyau, cire sandar haɗin piston. Idan asalin nisan nisa na hannu yana da inganci, ƙimar inganci tana raguwa kuma tana kusantar sifili ko ƙima mara kyau, ta yadda madaidaicin crankshaft yana ƙoƙarin lanƙwasa a cikin jagorar samarwa sama. Ga injunan diesel kanana da matsakaita, saboda ƙarancin nauyi na sandar haɗin piston da tsayin daka na crankshaft, babu wani tasiri a fili akan nisan hannun crankshaft kafin da bayan an cire sandar haɗin piston, gabaɗaya baya wuce gona da iri. 0.03mm.
2. Tasirin yanayin hawan jirgin ruwa akan crankshaft hannun nisa bambanci.
Wannan ya faru ne saboda rashin daidaituwa na rarraba buoyancy da nauyin ɗora nauyi a kan ƙwanƙwasa, wanda ke sa shi lanƙwasa da nakasa, wanda ke shafar nakasar tushen injin kuma yana canza bambancin nesa na crankshaft hannu. Domin dakin injin na tsakiyar jirgi, lokacin da kayan ya ta'allaka ne a kan baka da kaguwar gefen jirgin, hakan zai sa tsakiyar kwandon ya lankwashe sama, wanda hakan zai sa axis din crankshaft shima ya karkata zuwa sama. Tun da shigarwa da gyaran gyare-gyare na crankshaft yawanci ana aiwatar da su lokacin da jirgin ya cika, dole ne a biya cikakken hankali ga halin da ake ciki. Lokacin sanya tushe, yana da kyau a sanya bambancin nesa na hannun crankshaft tabbatacce (ko da axis yana da faɗi). Ta wannan hanyar, lokacin da aka yi lodin jirgin, ƙwanƙolin zai kasance yana da siffa mai ma'ana, ta yadda ma'aunin crankshaft ya kai kusan madaidaiciya. Wannan hanyar ba kawai dace da ɗakin injin tsakiyar jirgin ba, har ma da ɗakin injin injin. Bugu da ƙari, ko da yake ballast na jirgin ruwa, ruwa mai dadi da mai suna da tasiri iri ɗaya akan bambancin nisa na hannu kamar yadda ake lodawa, saboda tasirin ba shi da girma, sau da yawa ana watsi da shi kuma ba a ƙididdige shi ba.
3. Tasirin rashin daidaituwa na babban tasiri akan crankshaft hannun nisa bambanci.
Lokacin da ɗaya ko fiye na manyan bearings suka ƙare, babban jarida zai nutse ba daidai ba, wanda zai canza bambancin nisan hannu na crankshaft. Rashin rashin daidaituwa na babban abin da ake amfani da shi yana faruwa ne saboda rashin daidaituwar silinda da ake amfani da su, rashin haɗuwa da babban abin ɗaukar nauyi, gazawar tsarin mai, rashin ingancin man mai, ko rashin ingancin lalacewa. resistant gami na mutum bearings.
4. Tasirin yanayin sanyaya na injin dizal akan ratar hannun crankshaft.
Yanayin sanyin injin dizal yana nufin yanayin yanayin da zafinsa yayi daidai da yanayin zafi, kuma yanayin zafi yana nufin yanayin zafin injin dizal bayan wani lokaci na aiki. A ƙarƙashin yanayi ɗaya na wasu yanayi, bambancin nisan hannu da aka auna tsakanin yanayin sanyi da yanayin zafi na injin dizal ya bambanta. Ka'ida ta gaba ɗaya ita ce: ma'auni a cikin yanayin zafi zai ƙara bambancin nisa na hannu a cikin jagorancin mummunan darajar fiye da ma'auni a cikin yanayin sanyi. . Idan bambancin ratar hannu ya kasance mara kyau a cikin yanayin sanyi, ƙimar da ba ta da kyau tana ƙaruwa a cikin yanayin zafi; idan bambancin ratar hannu yana da kyau a cikin yanayin sanyi, ƙimar ƙimar ta ragu kuma tana kula da sifili ko mara kyau a cikin yanayin zafi. A cikin yanayin zafi, axis na crankshaft yana lanƙwasa a cikin jagorar zuwa sama.
5. Tasirin nauyin tashi a kan crankshaft hannu bambanci nisa.
Bayan an shigar da ƙaho, bambancin nisa na hannu na crank kusa da ƙarshen ƙwanƙwasa yana ƙaruwa a cikin alkibla mara kyau ko kuma ya ragu a cikin alkiblar ƙima mai kyau, kuma madaidaicin crankshaft yana ƙoƙarin zuwa sama. Tasirin nauyin ƙwanƙolin tashi zai ƙunshi bambancin nisa na hannu na crank na biyu daga ƙarshen ƙafar tashi. Wannan shi ne saboda gaskiyar cewa babban baka na crankshaft ya lalace kuma an rabu da abin da aka ɗaure. Axis ɗinsa ɗaya ne da na ƙugiya a kusa da ƙarshen ƙayyadaddun ƙaya, amma matakin tasiri kaɗan ne.
6. Tasirin maƙarƙashiya na ƙwanƙwasa na kusurwar ƙasa ko ta hanyar kullun a kan bambancin nisa na hannu na crankshaft.
Bayan injin dizal ya yi aiki na ɗan lokaci, wasu kusoshi da kusoshi za su saki. Shafi al'ada aiki na diesel injuna. Yana yiwuwa yanayin tushen injin zai canza, wanda zai canza bambancin nesa na hannun crankshaft. Lokacin da ake gyara injin dizal, kafin binciken cibiyar crankshaft, da farko duba ko ƙusoshin anga sun sako-sako, da kuma ko tubalan da ke tsakanin kujerar injin da harsashin ginin ba su kwance ba. Lokacin dubawa, yi amfani da ƙaramin guduma don buga kushin da sauƙi. Idan akwai ƙarar ƙara lokacin bugawa, yana nufin cewa lambar tana da kyau. Dole ne a aiwatar da ƙulla ƙulle ta hanyar ƙwanƙwasa daidai da hanyoyin da buƙatun da aka ƙayyade a cikin littafin koyarwa. Dole ne a ƙara ɓangarorin hagu da dama a lokaci guda, kuma dole ne a ɗaure ƙugiya daga tsakiya zuwa bangarorin biyu a cikin sau biyu.
Bayan yin nazari sosai akan abubuwa daban-daban waɗanda ke shafar bambancin nisa na hannu, ana iya ƙarasa da cewa “Bambancin nisan hannun crank ƙima ne a ƙarƙashin wasu yanayi, kuma ƙimar dangi ce. Lokacin da sharuɗɗan suka canza, ƙimar bambancin nisan hannu shima yana canzawa.'' Don haka, lokacin da ake nazarin bambancin nisan hannu, yakamata ku fara fahimtar yanayin ma'auni, sannan ku kwatanta su a cikin ƙayyadaddun yanayi iri ɗaya, in ba haka ba zai zama mara ma'ana. . Bayan crankshaft sanye take da flywheel da piston haɗa sanda, idan babban bearings ne coaxial, da crank hannun nisa ba zai iya zama duk sifili, idan crank hannu bambanci ne duka sifili, ba yana nufin cewa manyan bearings dole ne su zama coaxial Ba za a iya la'akari da cewa mafi kyawun ingancin taro shine lokacin da aka daidaita bambancin nesa na hannu zuwa sifili.
