Iyini indima yegiya le-camshaft
Umsebenzi oyinhloko wegiya le-camshaft ukulawula isenzo sokuvula nokuvala kwe-valve ukuqinisekisa ukusebenza okuvamile kwenjini. Amagiya e-camshaft, ngomklamo wawo okhethekile, njengohlangothi lwe-CAM oluyiqanda, enza ngcono izinqubo zokungenisa nokukhipha isilinda, ngenkathi enciphisa umthelela nokuguguleka ngesikhathi sokuvulwa nokuvalwa kwe-valve, eqinisekisa ukuqina nokusebenza kahle kwenjini.
Amagiya e-camshaft adinga kakhulu ukuklama nokukhiqiza futhi ngokuvamile enziwa ngensimbi ye-alloy esezingeni eliphezulu ukuqinisekisa amandla nokusekelwa kwawo. I-camshaft ibhekana nomthwalo wokushaywa ngezikhathi ezithile enkambisweni yokusebenza, ukucindezeleka kokuxhumana phakathi kwe-CAM ne-tappet kukhulu futhi isivinini sokushelela siyashesha, ngakho-ke indawo yokusebenza ye-CAM idinga ukuba nosayizi onembile kakhulu, ubulukhuni obuphansi bendawo, ukuqina okwanele, ukumelana okuhle nokuguguleka kanye nomphumela wokugcoba .
Ngaphezu kwalokho, igiya le-camshaft liphinde libe nesibopho sokuqinisekisa ukuvumelanisa okunembile phakathi kwe-crankshaft ne-camshaft, futhi amandla e-crankshaft adluliselwa ku-camshaft ngebhande lamazinyo lesikhathi, futhi uhlelo olujwayelekile lokusebenza lwenjini luyagcinwa. Le ndlela yokuxhumanisa enembile iqinisekisa ukuhamba okubushelelezi kwe-piston yangaphakathi yenjini, ukuvulwa nokuvalwa kwe-valve ngesikhathi kanye nokulandelana okunembile kokushiswa, ukuze injini ihlale isesimweni esihle kakhulu sokusebenza okuhlelekile .
I-camshaft gear iyisici esibalulekile senjini, umsebenzi wayo oyinhloko ukuqinisekisa ukujikeleza okuhambisanayo phakathi kwe-crankshaft ne-camshaft, ukuze kulawulwe isikhathi sokuvula nokuvala kwe-valve yenjini. I-camshaft gear ixhunywe ku-crankshaft gear ngebhande lamazinyo lesikhathi noma uchungechunge lwesikhathi ukuqinisekisa ukuthi i-valve ivuliwe futhi ivaliwe ngesikhathi esifanele, ngaleyo ndlela kugcinwa uhlelo olujwayelekile lokusebenza kwenjini.
Isakhiwo kanye nomgomo wokusebenza
Igiya le-camshaft livame ukuxhunywa kugiya le-crankshaft ngebhande lamazinyo lesikhathi noma uchungechunge lwesikhathi. Lokhu kuxhumanisa kuqinisekisa ukuthi i-valve iyavuleka lapho i-piston ifika phezulu esikhungweni esifile futhi ivale lapho i-piston yehla, ngaleyo ndlela ilawula izinqubo zokungenisa kanye nokukhipha. Lokhu kujikeleza okuqondile okuhambisanayo kuqinisekisa ukusebenza okubushelelezi kanye nokusebenza kahle kwenjini.
Inqubo yezinto zokwakha kanye nokukhiqiza
Ukukhethwa kwezinto zegiya le-camshaft kunomthelela obalulekile ekusebenzeni kwayo. Izinto ezivamile zifaka phakathi insimbi ephothiwe, insimbi ephothiwe kanye nezinsimbi ezifakwayo. Insimbi ephothiwe ifanelekela izinjini eziningi ezivamile ngenxa yentengo yayo ephansi kanye nokumelana okuhle nokuguguleka kanye nokuqina kokushisa. Insimbi ephothiwe ifanelekela izinjini ezinamandla aphezulu ngenxa yamandla ayo aphezulu kanye nomthamo wokuthwala umthwalo. Izinsimbi ezifakwayo zifanelekela izinjini ezisebenza kahle kakhulu kanye nesivinini esikhulu ngenxa yamandla azo aphezulu kanye nokumelana nokuguguleka.
Ukugcinwa nokuhlolwa
Ekunakekelweni kwansuku zonke, kubaluleke kakhulu ukuhlola ubuqotho bebhande lamazinyo lesikhathi kanye nesimo sesondo lokucindezela. Kuyadingeka ukuqinisekisa ukuthi indlela yokujikeleza kwebhande legiya lesikhathi imakwe ngokucacile ukuze kugwenywe ukudideka ngesikhathi sokuqaqwa. Ngaphezu kwalokho, ukuhlolwa njalo kokuguguleka kwebhande legiya lesikhathi, isimo sesondo lokucindezela kanye nokuqondaniswa kwamamaki ukuqinisekisa ukunemba kokufakwa kuyisinyathelo esibalulekile sokuqinisekisa ukusebenza kahle kwenjini.
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