Valani ndi mphamvu ya mphete ya piston yamagalimoto
2021-08-03
1. Mphete ya pisitoni imabwereranso pakati pa nsonga zakufa pamwamba ndi pansi, ndipo liwiro limasintha kuchokera ku static state kufika pafupifupi 30m / s, ndipo imasintha kwambiri motere.
2. Pamene mukuchita zobwerezabwereza, kuthamanga kwa silinda kumasintha kwambiri panthawi ya kudya, kuponderezana, ntchito ndi kutulutsa mpweya wozungulira.
3. Chifukwa cha chikoka cha chiwopsezo choyaka moto, kusuntha kwa mphete ya pistoni nthawi zambiri kumachitika pa kutentha kwakukulu, makamaka mphete ya gasi. Pansi pa mankhwala a kutentha kwambiri ndi kupanikizika kwambiri ndi zinthu zoyaka moto, filimu yamafuta imakhala yovuta kukhazikitsa, kuti ikwaniritse kudzaza kwathunthu. Zovuta, ndipo nthawi zambiri zimakhala zovuta kwambiri.
Zina mwa izo, zakuthupi ndi mawonekedwe a mphete ya pisitoni, zinthu ndi kapangidwe ka pisitoni ya silinda liner, malo opaka mafuta, mawonekedwe a injini, momwe amagwirira ntchito, komanso mtundu wamafuta ndi mafuta opaka ndizomwe zimapangitsa. Zoonadi, mu silinda yomweyo, chikoka cha mafuta odzola pamavalidwe a mphete ya pistoni ndicholondola. Mafuta abwino pakati pa malo otsetsereka awiriwa ndikuti pali filimu yofanana yamafuta pakati pa malo awiri otsetsereka. Komabe, izi kulibe kwenikweni, makamaka kwa mphete ya mpweya, chifukwa cha chikoka cha kutentha kwakukulu, n'zovuta kukhazikitsa dziko labwino kwambiri lopaka mafuta.
Momwe mungachepetse kuvala mphete za pistoni
Pali zinthu zambiri zomwe zimakhudza kuvala mphete ya pistoni, ndipo izi nthawi zambiri zimalumikizana. Kuphatikiza apo, mtundu wa injini ndi momwe amagwiritsidwira ntchito ndizosiyana, ndipo kuvala kwa mphete ya pistoni kumasiyananso kwambiri. Choncho, vuto silingathetsedwe mwa kukonza mapangidwe ndi zinthu za mphete ya piston. Ikhoza makamaka kuyambira pazigawo zotsatirazi: mphete ya pistoni ndi cylinder liner Zida ndi zofananira bwino; mankhwala pamwamba; chikhalidwe cha zomangamanga; kusankha mafuta odzola ndi zowonjezera; mapindikidwe a silinda liner ndi pisitoni chifukwa cha kutentha pa msonkhano ndi ntchito.
Kuvala mphete ya pistoni kumatha kugawidwa kukhala kuvala kwanthawi zonse, zokopa ndi zotupa, koma zochitika zovala izi sizingachitike zokha, ndipo zidzachitika nthawi imodzi, ndipo zidzakhudza nthawi yomweyo. Nthawi zambiri, chovala chotsetsereka chimakhala chokulirapo kuposa chapamwamba komanso chakumunsi. Malo otsetsereka makamaka ndi kuvala kwa abrasives, pamene kumtunda ndi kumunsi kumavala kumayambitsidwa ndi kuyenda mobwerezabwereza. Komabe, ngati pisitoniyo si yachilendo, imatha kupunduka ndi kuvala.
