Iyini iphakheji yebhande lendandatho ye-piston yemoto
Ukufakwa kwebhande lendandatho ye-piston yezimoto kuvame ukubhekisela ekufakeni indandatho ye-piston esitsheni esithile sokupakisha ukuze kuyivikele ekulimaleni futhi kube lula ukuthuthwa nokugcinwa. Izindlela ezivamile zokupakisha zifaka phakathi ukupakisha izikhwama zepulasitiki, ukupakisha ibhokisi kanye nokupakisha ibhokisi lensimbi.
Izindlela zokupakisha ezivamile kanye nezici zazo
Ukupakishwa kwesikhwama sepulasitiki: Lolu hlobo lokupakishwa lulula kakhulu, luthatha isikhala esincane, lungavimbela ngempumelelo ukugqwala kwendandatho yepiston. Kodwa-ke, indandatho yepiston yesikhwama sepulasitiki ngokuvamile ayinhle, futhi abanye abakhiqizi bazomboza ingaphandle ngesendlalelo sebhokisi lephepha noma iphepha le-kraft.
Ukupakishwa kwebhokisi: ukubukeka kwebhokisi kuhle, kulula ukukuphatha, kungaphawulwa kalula. Ngaphambi kokupakishwa, abanye abakhiqizi bazofafaza i-anti-oxidation coating ebusweni bendandatho yepiston ukuze bandise impilo yayo yesevisi. Ukupakishwa kwebhokisi kungaba futhi ukupakishwa kwesibili kwendandatho yepiston ukuvimbela ukungqubuzana.
Ukupakisha ibhokisi lensimbi: ngokuvamile kusetshenziswa ukukhiqizwa kwe-tinplate, lolu hlobo lokupakisha olusezingeni eliphezulu futhi olungangenisi umswakama, lungahlukanisa umswakama ngempumelelo, luvikele indandatho yepiston.
Ulwazi oluyisisekelo mayelana namasongo e-piston
Indandatho yepiston ifakwe emgodini wepiston ngaphakathi kwendandatho yensimbi, ihlukaniswe yaba yindandatho yokucindezela kanye nendandatho yamafutha amabili. Indandatho yokucindezela isetshenziselwa ukuvala ingxube evuthayo ekamelweni lokushisa, kuyilapho indandatho yamafutha isetshenziselwa ukuklwebha uwoyela owengeziwe kusilinda. Indandatho yepiston uhlobo lwendandatho yensimbi enwebekayo enokuguquguquka okukhulu kokwanda kwangaphandle, okuncike ekwehlukeni kwengcindezi yegesi noma uketshezi ukuze kwakheke uphawu phakathi kwendilinga yangaphandle yendandatho nesilinda, naphakathi kwendandatho nomsele wendandatho .
Izinyathelo zokuqapha zokufakwa kwendandatho ye-piston yezimoto zihlanganisa izici ezilandelayo:
Qinisekisa ukuthi indandatho yepiston ibekwe kahle ku-liner yesilinda, bese ubeka isikhala sokuvula esifanele endaweni exhumanayo, okunconywa ukuthi silawulwe ebangeni elingu-0.06-0.10mm . Lokhu kungaqinisekisa ukuthi indandatho yepiston ngeke ikhiqize ukungqubuzana okukhulu nokuguguleka ngenxa yesikhala esincane kakhulu .
Indandatho yepiston kufanele ifakwe kahle ku-piston, futhi kuqinisekiswe ukuthi kukhona isikhala esifanele eceleni ekuphakameni komsele wendandatho, okunconywa ukuthi sigcinwe phakathi kuka-0.10-0.15mm . Lokhu kungaqinisekisa ukuthi indandatho yepiston ngeke ivaleke ngenxa yesikhala esincane kakhulu noma ukuvuza ngenxa yesikhala esikhulu kakhulu .
Indandatho ye-chrome kufanele ifakwe ngokukhethekile endaweni yokuqala, futhi imbobo akufanele ibhekane ngqo nomgodi wamanje we-eddy phezulu kwe-piston. Lokhu kuzonciphisa ukuguguleka emsebenzini .
Izimbobo zezindandatho ze-piston kumele zibekwe eceleni ngama-degree angu-120 ukusuka komunye nomunye futhi akumele zihambisane nezimbobo zezipini ze-piston. Lokhu kuvimbela ukudlidliza kanye nokuguguleka okwengeziwe kwendandatho ye-piston ngesikhathi sokusebenza .
Uma ufaka indandatho ye-piston yesigaba sekhoni, ubuso bekhoni kufanele bubheke phezulu . Ukuze kufakwe indandatho ye-torsion, i-chamfer noma i-groove kufanele nayo ibheke phezulu. Uma ufaka indandatho ehlanganisiwe, faka indandatho ye-axial lining kuqala, kulandelwe indandatho eyisicaba kanye nendandatho ehlanganisiwe, futhi izikhala zendandatho ngayinye kufanele zibekwe eceleni .
Ngesikhathi sokufakwa, gcina indawo yokuxhumana phakathi kwendandatho yepiston kanye ne-liner yesilinda ihlanzekile ukuvimbela ukuphazamiseka kokungcola kanye nokungcola. Ngemva kokufakwa, hlola ukuthi indawo yokuxhumana phakathi kwendandatho yepiston kanye ne-liner yesilinda ifakwe ngokulinganayo yini ukuze kugwenywe ukukhululeka kakhulu noma ukuqina kakhulu .
Sebenzisa amathuluzi akhethekile ukufaka i-, njenge-pliers yokuhlanganisa ekhethekile yamasongo e-piston, imikhono yekhoni, njll. Lokhu kunciphisa ingozi yokuthi indandatho ye-piston yonakale noma ikhubazeke ngenxa yokwanda ngokweqile kwe-.
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