Iyini indima yegiya le-camshaft
Umsebenzi oyinhloko wegiya le-camshaft ukulawula ukuvulwa nokuvala kwe-valve ukuqinisekisa ukusebenza okuvamile kwenjini. Amagiya e-camshaft, ngomklamo wawo okhethekile womumo, njengohlangothi lwe-CAM olumise okweqanda, akhulisa izinqubo zokudonsa nokukhipha umoya we-cylinder, kuyilapho enciphisa umthelela nokuguga ngesikhathi sokuvulwa nokuvala i-valve, eqinisekisa ukuqina nokusebenza kahle kwenjini.
Amagiya e-Camshaft afuna kakhulu ukuklama nokwenza futhi ngokuvamile enziwa ngensimbi ye-alloy esezingeni eliphezulu ukuqinisekisa amandla nokusekelwa kwawo. I-Camshaft ingaphansi komthwalo womthelela wezikhathi ezithile ohlelweni lokusebenza, ingcindezi yokuxhumana phakathi kwe-CAM ne-tappet inkulu futhi isivinini sokuslayida esihlobene siyashesha, ngakho indawo yokusebenza ye-CAM idinga ukuba nosayizi ophezulu wokunemba, ubulukhuni obuphansi, ukuqina okwanele, okuhle. ukumelana nokugqoka kanye nomphumela wokugcoba.
Ngaphezu kwalokho, igiya le-camshaft libuye libe nesibopho sokuqinisekisa ukuvumelanisa okunembile phakathi kwe-crankshaft ne-camshaft, futhi amandla e-crankshaft adluliselwa ku-camshaft ngebhande lezinyo lesikhathi, futhi uhlelo lokusebenza olujwayelekile lwenjini luyagcinwa. Le ndlela enembile yokuxhuma iqinisekisa ukuhamba kahle kwepiston yangaphakathi yenjini, ukuvulwa nokuvalwa ngesikhathi kwevalvu kanye nokulandelana okunembile kokushisa, ukuze injini ihlale isesimweni esingcono kakhulu sokusebenza okuhambisanayo.
Igiya le-camshaft liyingxenye ebalulekile yenjini, umsebenzi wayo oyinhloko ukuqinisekisa ukujikeleza okuvumelanayo phakathi kwe-crankshaft ne-camshaft, ukuze kulawulwe isikhathi sokuvula nokuvala kwe-valve yenjini. Igiya le-camshaft lixhunywe egiyeni le-crankshaft ngebhande lezinyo lesikhathi noma iketango lesikhathi ukuze kuqinisekiswe ukuthi ivalvu ivuliwe futhi ivalwe ngesikhathi esifanele, ngaleyo ndlela kugcinwe ukusebenza okuvamile kwenjini.
Isakhiwo kanye nomgomo wokusebenza
Igiya le-camshaft livamise ukuxhunywa egiyeni le-crankshaft ngebhande lezinyo lesikhathi noma iketango lesikhathi. Lokhu kuxhumanisa kuqinisekisa ukuthi i-valve iyavuleka lapho i-piston ifika endaweni ephezulu efile futhi ivale lapho i-piston yehla, ngaleyo ndlela ilawula izinqubo zokudonsa kanye ne-exhaust. Lokhu kuzungezisa okunembile kuqinisekisa ukusebenza kahle nokusebenza kahle kwenjini.
Inqubo yezinto ezibonakalayo kanye nokukhiqiza
Ukukhethwa kwezinto zegiya ze-camshaft kunomphumela obalulekile ekusebenzeni kwayo. Izinto ezivamile zihlanganisa insimbi ekhonjiwe, insimbi ekhonjiwe kanye nezinsimbi zensimbi. I-Cast iron ifanele izinjini eziningi ezijwayelekile ngenxa yentengo yayo ephansi nokumelana nokugqokwa okuhle nokuzinza kokushisa. I-Cast steel ifanele izinjini ezinamandla amakhulu ngenxa yamandla ayo aphezulu kanye nomthamo wokuthwala umthwalo. Ama-Forgings ensimbi afanele ukusebenza okuphezulu nezinjini ezinesivinini esikhulu ngenxa yamandla azo aphezulu kanye nokumelana nokugqoka.
Ukunakekela nokuhlola
Ekunakekeleni kwansuku zonke, kubaluleke kakhulu ukuhlola ubuqotho bebhande lezinyo lesikhathi kanye nesimo sesondo lokucindezeleka. Kuyadingeka ukuqinisekisa ukuthi ukujikeleza kwebhande legiya lesikhathi kumakwe ngokucacile ukuze kugwenywe ukudideka ngesikhathi sokuqaqa. Ngaphezu kwalokho, ukuhlola njalo ukuguga kwebhande legiya lesikhathi, isimo sesondo elicindezelayo kanye nokuhlelwa kwamamaki ukuze kuqinisekiswe ukunemba kokufaka kuyisinyathelo esibalulekile sokuqinisekisa ukusebenza kwenjini.
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