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.Isenzo sephinikhodi ye-piston
Umsebenzi oyinhloko wephinikhodi ye-piston ukuxhuma i-piston kanye nenduku yokuxhuma ukuze udlulise amandla egesi aphethwe yi-piston. Iphinikhodi yepiston iyiphinikhodi eyicylindrical efakwe esiketini sepiston, ingxenye yayo edlula embotsheni encane yenduku yokuxhuma. Isetshenziselwa ukuxhuma i-piston kanye nenduku yokuxhuma, futhi idlulisele amandla egesi athwalwa yi-piston kunduku yokuxhuma. .
Isakhiwo kanye nomgomo wokusebenza
Izikhonkwane ze-piston zivame ukufakwa kumodi egcwele ezintantayo noma ezintanta kancane. Iphinikhodi yepiston egcwele intantayo ingazungeza ngokukhululekile phakathi kwenduku encane yokuxhuma kanye nesihlalo sephinikhodi, kuyilapho iphinikhodi ye-semi-floating piston igxilwe ekhanda elincane lenduku yokuxhuma. Iphinikhodi ye-piston ingaphansi komthelela wezikhathi ezithile lapho isebenza, futhi yenza ukunyakaza kwe-pendulum, ngakho-ke idinga ukuba namandla amahle kanye nokumelana nokugqoka.
Izinto kanye nezinqubo zokukhiqiza
Ukuze kuncishiswe isisindo, izikhonkwane ze-piston ngokuvamile zenziwe ngensimbi ye-alloy yekhwalithi ephezulu futhi ngokuvamile zenziwe ngesakhiwo esingenalutho. Lo mklamo awugcini nje ukunciphisa isisindo, kodwa futhi uthuthukisa ukumelana nokukhathala kwawo.
Iyiphi into iphinikhodi ye-piston evame ukwenziwa ngayo
Insimbi ye-carbon ephansi, insimbi ephansi ye-carbon alloy
Izikhonkwane ze-piston ngokuvamile zenziwe ngensimbi ephansi ye-carbon steel noma insimbi ephansi ye-carbon alloy. Isibonelo, izinsimbi eziyi-15, 20, 15Cr, 20Cr kanye ne-20Mn2 zivame ukusetshenziswa ezinjinini ezinomthwalo ophansi; Enjinini eqinisiwe, ukusetshenziswa kwensimbi ye-alloy yezinga eliphezulu, njenge-12CrNi3A/18CrMnTi2 kanye ne-20SiMnVB, ngezinye izikhathi kungasetshenziswa futhi i-45 medium carbon steel. .
Ukukhethwa kwezinto ezibonakalayo kwephinikhodi ye-piston kusekelwe ikakhulukazi ezimweni zayo zokusebenza kanye nezidingo zokuklama. Iphinikhodi ye-piston ingaphansi komthwalo omkhulu womthelela wezikhathi ezithile ngaphansi kwezimo eziphakeme zokushisa, futhi ngenxa yokuthi i-Angle yokujika yephinikhodi yephinikhodi ayinkulu, kunzima ukwenza ifilimu yokugcoba, ngakho-ke isimo sokuthambisa sibi. Ukuze uhlangabezane nalezi zidingo, iphinikhodi ye-piston kufanele ibe nokuqina okwanele, amandla nokumelana nokugqoka. Ukukhethwa kwezinto zokwenziwa kufanele kuqinisekise ukuthi i-friction surface yephinikhodi ye-piston inobunzima obukhulu ukuze kuhlangatshezwane nezidingo zamandla aphezulu emishini kanye nokumelana nokugqoka.
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