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Ekhaya / Iindaba / Indlela yokulungisa i-camshaft ye-injini?

Indlela yokulungisa i-camshaft ye-injini?

Jul . 09, 2024

(1) Jonga kwaye ulungelelanise i-axial clearance

 

Xa ujonga i-axial clearance ye-injini esebenzisa i-thrust flange ye-axial positioning, faka igeyiji yokuziva phakathi kobuso besiphelo sejenali yokuqala ye-camshaft kunye ne-thrust flange okanye phakathi kobuso besiphelo se-hub yegiya yexesha kunye ne-thrust flange. Ubunzima be-gauge ye-feeler yi-axial clearance ye-camshaft. Ngokuqhelekileyo yi-0.10mm, kunye nomda ophezulu we-0.25mm. Ukuba ukukhutshwa akuhambelani neemfuno, kunokulungiswa ngokunyuka okanye ukunciphisa ubukhulu be-thrust flange.

How to overhaul the engine camshaft?

(Faka icamshaft Audi Volkswagen EA888 CEAA 06J109022G)

 

(2)Ukuhlolwa kunye nokulungiswa kwe-deformation ye-camshaft yokugoba

Ukuguqulwa kokugoba kwecamshaft kulinganiswa ngempazamo yeradial runout yejenali ephakathi yecamshaft kwiijenali kuzo zombini iziphelo. Indlela yokuhlola iboniswe kumzobo. Beka i-camshaft kwintsimbi ye-V, kunye ne-V-shaped iron kunye nesalathisi sokudayela kwi-flat plate, ukwenzela ukuba uqhagamshelwano lwesalathisi sokudayela ludibene ngokuthe nkqo kunye nejenali ephakathi ye-camshaft. Jika i-camshaft kwaye ujonge umahluko we-swing yenaliti yesalathiso sokucofa, eyinqanaba lokugoba lecamshaft. Emva kokuba ukuhlolwa kugqityiwe, thelekisa iziphumo zokuhlola kunye nexabiso eliqhelekileyo lokugqiba ukuba ngaba ukulungiswa okanye ukubuyisela.

How to overhaul the engine camshaft?

(Faka icamshaft yeToyota Lexus 2AZ-FE 13501-28060)

 

(3) Ezinye izinto zokulungisa icamshaft

1) Ukuhlolwa kwejenali yeshaft yegiya yexesha elingundoqo: Inqwelomoya yesitshixo yejenali yeshafti yegiya yexesha kufuneka ingqamane nenqwelomoya yolingano yokunyuswa okuphezulu kwesilinda sokuqala sokungena kunye neekham zokukhupha. Ukunxiba kwayo kuya kutshintsha ixesha levalvu. Ukuba isitshixo sinxibile, sinokuphinda sivulwe ngokufaka i-welding okanye sivulwe kwindawo entsha.

2) Eyona nto inxitywa kakhulu kwivili lokumpompa i-petroli i-eccentric wheel: Eyona nto inxitywayo ye-petroli pump drive eccentric wheel ngokubanzi yi-1mm. Ukuba idlula lo mda, i-camshaft kufuneka itshintshwe.

 

How to overhaul the engine camshaft?

(Camshaft Intake Mitsubishi 4A92 MW252324)

      Ixabiso lokubaleka kobubanzi: umgangatho - 0.01 ~ 0.03 mm, umda - 0.05 ~ 0.10 mm.

3) Ukuhlolwa kunye nokulungiswa kokunxiba kwekhamera

Ukunxitywa kwekhamera kutshintsha umthetho wokunyusa wevalve kwaye unciphise ukunyuswa okuphezulu, ngoko ke ixabiso eliphezulu lokunciphisa i-cam lisisiseko esisisiseko sokuhlelwa kokuhlolwa kwekhamera.

Xa ixabiso eliphezulu lokunciphisa ukunyusa kwekhamera likhulu kune-0.40mm okanye i-cumulative wear of the cam surface idlula i-0.80mm, i-camshaft kufuneka itshintshwe; xa i-cumulative wear of the cam surface ingaphantsi kwe-0.80mm, ikhamera inokugatywa kwi-grinder ye-camshaft.

Nangona kunjalo, iikhamera zee-camshafts ze-injini yemoto yanamhlanje zizinto zonke ezidityanisiweyo zomgca. Ngenxa yokuchaneka okuphezulu kakhulu kokusebenza kunye neendleko eziphezulu zokulungisa, azifane zilungiswe okwangoku, kwaye i-camshaft iyatshintshwa ngokubanzi.

How to overhaul the engine camshaft?

(Camshaft Intake Mitsubishi 4A92 MW252324)

4) Ukuhlolwa kunye nokugcinwa kweejenali ze-camshaft kunye neebheringi

 

① Ukuhlolwa kwejenali yecamshaft kunye nokuzala: Sebenzisa i-micrometer ukulinganisa impazamo yokujikeleza kunye nempazamo ye-cylindricality yejenali yecamshaft. Impazamo yokujikeleza kwejenali ye-camshaft ayiyi kuba nkulu kuno-0.015mm, kwaye impazamo ye-coaxiality yejenali nganye ayiyi kudlula i-0.05mm. Ngaphandle koko, kufuneka ilungiswe ngokomlawuli.

② Ukuhlolwa kwe-camshaft bearing: Xa ukukhutshwa okuhambelanayo kwe-camshaft ye-bearing kudlula umda wokusetyenziswa, i-bearing entsha kufuneka itshintshwe.

 

How to overhaul the engine camshaft?

(Exhaust Camshaft Toyota Lexus 1AZ 2AZ 13502-28030)

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