Ndife akatswiri pazigawo za injini zapamwamba kwambiri.
Chilankhulo
Mphete za pisitoni ndi mphete zachitsulo zomwe zimagwiritsidwa ntchito kuyika pisitoni mkati, mphete za pistoni zimagawidwa m'mitundu iwiri: mphete yopondera ndi mphete yamafuta.
Mphete yopondereza itha kugwiritsidwa ntchito kusindikiza gasi wosakaniza woyaka muchipinda choyaka; Mphete yamafuta imagwiritsidwa ntchito pochotsa mafuta ochulukirapo mu silinda.
▶Kodi mphete za Piston ndi chiyani?
Mphete ya pisitoni imasindikiza chipinda choyaka moto kuti mpweya woyaka usalowemo komanso kuti mafuta asathe.
Mwachidule, mphete ya pistoni imapanga chisindikizo pakati pa pisitoni ndi khoma la silinda, kuteteza mpweya woyaka kwambiri kuti usalowe mu poto yamafuta.
Amayang'aniranso kagwiritsidwe ntchito ka mafuta poletsa mafuta ochulukirapo kulowa muchipinda choyaka ndi kuyaka. Mphete yogwira ntchito bwino ndiyofunikira kuti pakhale mphamvu zambiri za injini komanso kuchita bwino.
▶Kodi mphete ya piston imagwira ntchito bwanji?
Ma pistoni ambiri amagalimoto amakhala ndi mphete zitatu, monga momwe tawonera mu pistoni yatsopano yamagalimoto.
● Mphete ya pamwamba ndi mphete yachiwiri ndi yomwe ili ndi udindo wokanikizira mwamphamvu pakhoma la silinda ndi kusindikiza chipinda choyaka kuti mpweya woyaka ulowe ndikutulutsa mafuta.
● Mphete yamafuta imachotsa mafuta pakhoma la silinda pamene ikutsikira pansi pa silinda ndi kuwabwezera ku poto yamafuta. Kuyaka kwina kwamafuta kumakhala kwabwinobwino pakuyaka chifukwa cha mawonekedwe owonda kwambiri amafuta opaka mphete/silinda pakhoma. Zomwe zimapangidwira "zabwinobwino" mafuta, komabe, zimatengera injini.
Pamene mphete yabwino ya pistoni imakhala yoipa
● mphete zotha zimapanga kusiyana pakati pa torasi ndi khoma la silinda.
● Pa kuyaka, mpweya woponderezedwa umene umakankhira pisitoni pansi pa silinda ndi kutembenuza crankshaft ukhoza kuwomberedwa kupyolera mu pisitoni ndi pansi pa khoma la silinda ndi kulowa mu poto ya mafuta, zomwe zimapangitsa kuti akavalo azigwira ntchito bwino.
Kutuluka kungathenso kuipitsa mafuta, kuchepetsa ntchito yake ndi moyo wautumiki.
Utsi wabuluu, zoyambira zolimba komanso kutaya mphamvu
● Zotsatira zoyipa za mphete yoyipa ya pisitoni nthawi zambiri zimawonedwa mosavuta, ndikugwiritsa ntchito mafuta mopitilira muyeso kumayambitsa utsi wabuluu wotuluka papaipi yotulutsa.
Izi ndi zoona makamaka injini ikapanda kutentha ndipo mphete za pistoni zakula mu masilinda. Kuwotcha mafuta kumatanthauzanso kuti muyenera kudzaza mafuta anu pafupipafupi.
● mphete zosweka kapena zomata zimathanso kuyambitsa zovuta kuyambitsa ndikuchepetsa mphamvu zamahatchi.
● Injini ikatembenuka, pisitoni imapanikiza mafuta osakaniza / mpweya musanayaka.
Komabe, mphete yoyipa imalola kuti mafuta / mpweya utuluke m'chipinda choyaka, ndikuchepetsa kupsinjika kwa injini ndikupangitsa kuti injiniyo ikhale yovuta. Ikangonyamuka ndikuthamanga, kukanika kocheperako kumachotsa mphamvu ku injini yanu.
Kupewa kuli kofunika bwanji
● mphete zomwe zimateteza kuti zisavale ndi kugwedezeka ndizofunikira kuti injini ikhale ndi mphamvu, mphamvu komanso moyo wautali.
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