Sawa camshaft - bayyanar cututtuka

Motoci sun ƙunshi abubuwa masu yawa, aikin daidaitawa wanda ke da alhakin daidaitaccen aiki na kowane tsarin. Ɗaya daga cikin mahimmanci shine tsarin rarraba gas tare da camshaft. A gare shi ne za mu sadaukar da shigarwar yau - za mu bincika abin da alamun camshaft ɗin da aka sawa ke bayarwa, menene sabuntawar sa kuma a cikin waɗanne injuna ne ke da rauni musamman.

Me zaku koya daga wannan post din?

• Menene darajar sani game da camshaft?
• Menene alamun camshaft wear?
• Yaya gyaran ya yi kama?
• Yadda za a tsawaita rayuwar camshaft?

A takaice magana

camshaft wani muhimmin abu ne na tsarin rarraba iskar gas, wanda ya dace, a tsakanin sauran abubuwa, don isasshen wadatar da cakuda mai ga injin. Ƙinsa yana da alaƙa da alamomin halaye. Koyaya, ana iya gano abin nadi da aka sawa da kuma gyara ta wurin ƙwararrun kantin sayar da kaya.

Camshaft - menene wannan bangare?

A ƙarƙashin murfin motocinmu, zamu iya samun raka'a da sassa da yawa waɗanda ke da alhakin ingantaccen aikin injin tuƙi. Wasu daga cikinsu suna da sauƙi. Wannan zai iya ɓatar da mu game da tasirinsu da aikinsu. Ɗaya daga cikin irin waɗannan abubuwan da ba a sani ba shine camshaft. Yana daga cikin tsarin kiyaye lokaci kuma manyan ayyukansa (tare da sauran sassan tsarin) sun haɗa da:

• tabbatar da samar da cakuda iskar gas zuwa injin;
• sasantawa a cikin lubrication na injin;
• kunna wuta, famfo man fetur, man famfo ko babban matsin man famfo.

An sanye da camshaft da abin da ake kira cams waɗanda ke buɗewa da rufe bawuloli lokacin da shaft ɗin ke juyawa, yana ba da garanti. samar da cakuda mai da kuma fitar da iskar gas... Wannan matsa lamba akan bawuloli da motsi na juyawa na shaft yana haifar da juzu'i wanda, tare da ƙarancin lubrication da ƙarancin juriya ga ɗaukar kaya, yana nufin lalacewa mai sauri. Rashin isassun man shafawa na iya zama matsala saboda dalilai da yawa, kamar kunkuntar layukan magudanan mai (sannan famfon mai ya rasa aikinsa na asali) ko kuma cika mashin ɗin da man shafawa waɗanda basu cika shawarwari da buƙatun masana'anta ba.

Abubuwan da ke sama sun dace musamman don camshaft a cikin injunan 1.9 TDI PD, i.e. naúrar tare da injectors naúrar Volkswagen, waɗanda ƙarin cam ɗin ke kunnawa akan camshaft. Sauran injuna waɗanda ke alfahari da camshaft na gaggawa sun haɗa da: PSA 1.6 HDI da injunan SkyActiv-D 2.2 waɗanda aka dace don zaɓar ƙirar Mazda kafin 2014.

Camshaft cams suma sun ƙare a ƙarƙashin tasiri rashin daidaituwar yanayin man inji (misali, amfani da mai mai ruwa a cikin raka'a masu ɗorewa sosai), sawar na'urar gyaran gyare-gyare na hydraulic slack, sawa da makaman roka, ko kuma babban nisan nisan tafiya. Wani lokaci gazawar kuma na iya faruwa saboda kurakurai taro na shaftkodayake irin waɗannan yanayi ba su da yawa.

Menene alamun camshaft wear?

Wani camshaft da aka sawa yana haifar da takamaiman takamaiman alamun bayyanar da bai kamata ya zama matsala ga ƙwararren makaniki ya gani ba. Yana da m aiki mara kyau na motar tuƙi, sanannen asarar ƙarfin injin da hayaniyar dizal lokacin tuƙi cikin babban gudu. Ziyarci taron bita don ƙwararriyar ganewar asali na yanayin abin nadi. Duk da haka, yana da daraja sanin cewa a kan wasu mota model za mu iya kokarin da kansa ƙayyade yanayin camshafts. Muna yin haka ta hanyar duban hular mai da ba a rufe ba. Don haka, muna iya ganin guntun kyamarori ɗaya ko fiye.

Menene sabuntawar camshaft?

Ana iya maye gurbin sawa camshaftmusamman idan simintin karfe ne. Don wannan, ana amfani da hanyar surfacing, i.e. jijjiga wani Layer na narkakkar karfe a kan narkakkar saman. Don ba da abin nadi da ƙarfin da ake buƙata, ana yin shi da zafi da magani na sinadarai. Gyaran abin nadi yana da yawa a cikin tsofaffi don rage farashin sabis. Gyaran ƙwanƙwasa ɗaya zai biya mu 50-70 PLN, idan ba mu magana game da injiniya tare da shugaban bawul 16 - a cikin wannan yanayin za mu biya 500-700 PLN don shaft. Farashin sabon ramin asali na injin silinda huɗu na iya ninka wancan.

Yadda za a hana sawa a kan camshaft?

Da farko, mu tuna canjin mai na yau da kullun da amfani da man shafawa masu inganci. Hakanan yana da mahimmanci a yi amfani da matatun mai mai kyau kamar yadda zamewar saman ƙasa ke da haɗari ga gurɓata mai, kamar ƙwayoyin ƙarfe. Hakanan ya kamata ku yi hankali tare da injin sanyi - camshafts suna da nisa sosai daga kwanon mai, don haka suna fara mai da su azaman ɗayan abubuwan ƙarshe bayan kunna maɓalli a cikin kunnawa.

A kan avtotachki.com za ku sami ingantattun man inji da kuma sabbin camshafts.

Har ila yau duba:

Nawa ne don maye gurbin bel ɗin lokaci kuma nawa ne kudinsa?

Sensor Matsayin Camshaft - Aiki da Alamomi