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Lehae / Litaba / Mokhoa oa ho lokisa camshaft ea enjene?

Mokhoa oa ho lokisa camshaft ea enjene?

Jul. La 09, 2024

(1) Sheba 'me u lokise ho hlaka ha axial

 

Ha u sheba sebaka sa axial clearance ea enjene e sebelisang lets'oao bakeng sa boemo ba axial, kenya sekala sa feeler pakeng tsa sefahleho se ka pele sa koranta ea pele ea camshaft le thrust flange kapa lipakeng tsa sefahleho sa pheletso ea "gear" ea "timing gear hub" le "thrust flange". Botenya ba sekala sa feeler ke ho hlaka ha axial ea camshaft. Ka kakaretso ke 0.10mm, ka moeli o phahameng oa 0.25mm. Haeba tumello e sa finyelle litlhoko, e ka fetoloa ka ho eketsa kapa ho fokotsa botenya ba flange ea thrust.

How to overhaul the engine camshaft?

(Kena camshaft Audi Volkswagen EA888 CEAA 06J109022G)

 

(2)Ho hlahloba le ho lokisa deformation ea camshaft e kobehang

Ho kobeha ha camshaft ho lekantsoe ka phoso ea radial runout ea koranta ea bohareng ea camshaft ho likoranta lipheletsong tse peli. Mokhoa oa ho hlahloba o bontšoa setšoantšong. Beha camshaft holim'a tšepe e bōpehileng joaloka V, le tšepe e bōpehileng joaloka V le letšoao la ho daela holim'a poleiti e bataletseng, e le hore ho kopana le letšoao la ho daela le kopane le khamera e bohareng ea camshaft. Fetolela camshaft 'me u shebe phapang ea ho sisinyeha ha nale ea ho daela, e leng tekanyo e kobehang ea camshaft. Ka mor'a hore tlhahlobo e phethoe, bapisa liphetho tsa tlhahlobo le boleng bo tloaelehileng ho fumana hore na ho lokisoe kapa ho nkeloa sebaka.

How to overhaul the engine camshaft?

(Ho kenya camshaft Toyota Lexus 2AZ-FE 13501-28060)

 

(3) Lintho tse ling tsa tlhokomelo ea camshaft

1) Ho hlahlojoa ha koranta ea nako ea "gear shaft" keyway: Sefofane sa symmetric sa koranta ea giar shaft keyway hangata se lokela ho tsamaisana le sefofane sa symmetric sa phahamiso e phahameng ea li-cylinder tsa pele tse kenang le li-exhaust. Ho apara ha eona ho tla fetola nako ea valve. Haeba senotlolo se koaletsoe, se ka buloa hape ka ho tjheseletsa ka holim'a metsi kapa sa buloa sebakeng se secha.

2) Nako e phahameng ka ho fetesisa ea lebili la eccentric pompo ea peterole: Nako e phahameng ka ho fetesisa ea lebili la eccentric pompo ea peterole hangata ke 1mm. Haeba e feta moeli ona, camshaft e lokela ho nkeloa sebaka.

 

How to overhaul the engine camshaft?

(Camshaft Intake Mitsubishi 4A92 MW252324)

      Bophahamo ba ho phalla ha bophara: maemo a tloaelehileng - 0.01 ~ 0.03 mm, moeli - 0.05 ~ 0.10 mm.

3) Ho hlahloba le ho lokisa liaparo tsa cam

Ho roala ha cam ho fetola molao oa phahamiso ea valve 'me ho fokotsa phahamiso e phahameng ka ho fetesisa, ka hona, boleng bo phahameng ba ho fokotsa sekhahla sa cam ke motheo o ka sehloohong oa tlhahlobo ea tlhahlobo ea cam.

Ha boleng bo phahameng ba phokotso ea khamera bo le boholo ho feta 0.40mm kapa seaparo se akaretsang sa bokaholimo ba cam se feta 0.80mm, camshaft e lokela ho nkeloa sebaka; ha ho koaheloa ha bokaholimo ba cam ho ka tlase ho 0.80mm, khamera e ka siloa holim'a grinder ea camshaft.

Leha ho le joalo, lik'hamera tsa li-camshaft tsa sejoale-joale tsa enjine ea likoloi kaofela ke mefuta e kopaneng ea mela. Ka lebaka la ts'ebetso e phahameng haholo ea ts'ebetso le litšenyehelo tse phahameng tsa tokiso, ha se hangata li lokisoang, 'me camshaft hangata e nkeloa sebaka.

How to overhaul the engine camshaft?

(Camshaft Intake Mitsubishi 4A92 MW252324)

4) Ho hlahloba le ho hlokomela likoranta tsa camshaft le li-bearings

 

① Tlhahlobo ea koranta ea camshaft le bering: Sebelisa micrometer ho lekanya phoso ea ho pota-pota le phoso ea cylindriality ea koranta ea camshaft. Phoso e pota-potileng ea koranta ea camshaft e ke ke ea ba kholo ho feta 0.015mm, mme phoso ea coaxiality ea koranta ka 'ngoe e ke ke ea feta 0.05mm. Ho seng joalo, e lokela ho lokisoa ho ea ka 'musi.

② Tlhahlobo ea thepa ea camshaft: Ha tumello e ts'oanang ea thepa ea camshaft e feta moeli oa tšebeliso, ho lokela ho nkeloa sebaka se secha.

 

How to overhaul the engine camshaft?

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

Eketsa Litaba

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