Yintoni indima yegiya ye-camshaft
Umsebenzi ophambili wegiya ye-camshaft kukulawula ukusebenza kokuvulwa nokuvalwa kwevalvu ukuqinisekisa ukusebenza okuqhelekileyo kwenjini. Iigiya ze-camshaft, ngoyilo lwazo olukhethekileyo, njengecala le-CAM elimile okweqanda, ziphucula iinkqubo zokungenisa kunye nokuphuma kwesilinda, ngelixa zinciphisa impembelelo kunye nokuguguleka ngexesha lokuvulwa nokuvalwa kwevalvu, ziqinisekisa ukuqina kunye nokusebenza kakuhle kwenjini.
Iigiya zeCamshaft zifuna kakhulu ukuyila nokwenziwa kwaye zihlala zenziwe ngentsimbi ye-alloy esemgangathweni ukuqinisekisa amandla kunye nenkxaso yazo. ICamshaft ithwaxwa ngumthwalo wempembelelo rhoqo kwinkqubo yokusebenza, uxinzelelo loqhagamshelwano phakathi kwe-CAM kunye ne-tappet lukhulu kwaye isantya sokutyibilika sikhawuleza, ngoko ke umphezulu wokusebenza we-CAM kufuneka ube nobukhulu obuchanekileyo obuphezulu, uburhabaxa bomphezulu obuphantsi, ukuqina okwaneleyo, ukumelana nokuguguleka okuhle kunye nesiphumo sokuthambisa .
Ukongeza, igiya ye-camshaft ikwanoxanduva lokuqinisekisa ulungelelwaniso oluchanekileyo phakathi kwe-crankshaft kunye ne-camshaft, kwaye amandla e-crankshaft adluliselwa kwi-camshaft ngebhanti yamazinyo exesha, kwaye ulandelelwano oluqhelekileyo lokusebenza kwenjini luyagcinwa. Le ndlela yokudibanisa echanekileyo iqinisekisa ukuhamba okutyibilikayo kwepiston yangaphakathi yenjini, ukuvulwa nokuvalwa ngexesha elifanelekileyo kwevalvu kunye nolandelelwano oluchanekileyo lokutsha, ukuze injini ihlale ikwimeko entle yokusebenza ngokudibeneyo .
I-camshaft gear yinxalenye ebalulekileyo yenjini, umsebenzi wayo ophambili kukuqinisekisa ukujikeleza okuhambelanayo phakathi kwe-crankshaft kunye ne-camshaft, ukuze kulawulwe ixesha lokuvulwa nokuvalwa kwevalvu yenjini. I-camshaft gear iqhagamshelwe kwi-crankshaft gear ngebhanti yamazinyo exesha okanye ikhonkco lexesha ukuqinisekisa ukuba ivalvu ivuliwe kwaye ivaliwe ngexesha elifanelekileyo, ngaloo ndlela igcina ulungelelwaniso oluqhelekileyo lokusebenza kwenjini .
Ulwakhiwo kunye nomgaqo wokusebenza
I-camshaft gear idla ngokudityaniswa ne-crankshaft gear nge-timing tooth belt okanye i-timing chain. Olu nxibelelwano luqinisekisa ukuba i-valve iyavuleka xa i-piston ifikelela embindini ongasentla kwaye ivale xa i-piston ihla, ngaloo ndlela ilawula iinkqubo zokungenisa kunye nezokukhupha. Olu jikelezo oluchanekileyo lwe-synchronous luqinisekisa ukusebenza kakuhle kunye nokusebenza ngokufanelekileyo kwenjini.
Inkqubo yezinto kunye nokuveliswa kwazo
Ukukhethwa kwezinto zegiya ze-camshaft kunefuthe elibalulekileyo ekusebenzeni kwayo. Izinto eziqhelekileyo ziquka isinyithi esitshisiweyo, isinyithi esitshisiweyo kunye nee-forgings zentsimbi. Isinyithi esitshisiweyo sifanelekile kwiinjini ezininzi zesiqhelo ngenxa yexabiso laso eliphantsi kunye nokumelana nokuguguleka okuhle kunye nozinzo lobushushu. Isinyithi esitshisiweyo sifanelekile kwiinjini ezinamandla aphezulu ngenxa yamandla aso aphezulu kunye nomthamo wokuthwala umthwalo. Ii-forgings zentsimbi zifanelekile kwiinjini zokusebenza okuphezulu kunye nesantya esiphezulu ngenxa yamandla azo aphezulu kunye nokumelana nokuguguleka.
Ukugcinwa nokuhlolwa
Kwimisebenzi yemihla ngemihla, kubaluleke kakhulu ukujonga ukuthembeka kwebhanti yamazinyo exesha kunye nemeko yevili loxinzelelo. Kubalulekile ukuqinisekisa ukuba icala lokujikeleza kwebhanti yegiya lexesha liphawulwe ngokucacileyo ukuze kuthintelwe ukudideka ngexesha lokuqhaqha. Ukongeza, ukuhlolwa rhoqo kokuguguleka kwebhanti yegiya lexesha, imeko yevili loxinzelelo kunye nokulungelelaniswa kweempawu ukuqinisekisa ukuchaneka kokufakelwa linyathelo elibalulekileyo ukuqinisekisa ukusebenza kakuhle kwenjini.
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