Izinto zekhanda le-cylinder yenjini

2020-07-20

Ikhanda le-cylinder ngokuvamile lenziwe nge-grey cast iron noma i-alloy cast iron, kodwa ukuze kuthuthukiswe umnotho wamafutha emoto, isisindo senjini siseduze, futhi ukusetshenziswa kwezinto ezikhanyayo kunganciphisa ngempumelelo ikhwalithi yenjini. Izinjini ezikhanyayo (izinjini zikaphethiloli nezinjini zikadizili ezinokugudluzwa okungaphansi kuka-3L) zisebenzisa kabanzi izinto ze-alloy zamakhanda angamasilinda. Ngaphansi kwesakhiwo esifanayo, uma kuqhathaniswa nezinto zokwakha zensimbi, isisindo singancishiswa ngo-40% kuya ku-60%.

Ingxubevange ye-Aluminium inomoya omuhle wokushibilika, ukusebenza kahle kokupholisa, futhi iyinto enhle kakhulu yesilinda. Ukwengezwa kwe-Cu ku-aluminium alloy kungathuthukisa ukuzinza kwe-thermal, futhi ukungezwa kwe-Mg kungandisa ubulukhuni bokubunjwa.

Ikhanda le-cylinder lifakwe ku-cylinder block ukuze uvale isilinda kusuka phezulu bese wenza igumbi lomlilo. Ivame ukuthintana ne-high-temperature kanye ne-high-pressure gas, ngakho-ke ithwala umthwalo omkhulu oshisayo nomthwalo wemishini. Ijazi lamanzi okupholisa lenziwa ngaphakathi kwekhanda le-cylinder lenjini epholile ngamanzi, futhi imbobo yamanzi okupholisa ekugcineni engezansi yekhanda le-cylinder ixhumana nembobo yamanzi okupholisa ye-cylinder block. Sebenzisa amanzi azungezayo ukupholisa izingxenye zokushisa okuphezulu njengegumbi elivuthayo.

Ikhanda le-cylinder libuye lifakwe izihlalo ze-valve yokungenisa kanye ne-exhaust, izimbobo ze-valve zomhlahlandlela wokufaka ama-valve okungenisa nawokukhipha, kanye neziteshi zokungenisa kanye ne-exhaust. Inhloko yesilinda yenjini kaphethiloli ifakwe izimbobo zokufaka ama-spark plug, kuyilapho i-cylinder head yenjini kadizili ifakwe izimbobo zokufaka ama-injection kaphethiloli. Ikhanda le-cylinder le-overhead camshaft engine nalo lifakwe ngomshini onembobo ye-camshaft yokufaka i-camshaft.