Ndife akatswiri pazigawo za injini zapamwamba kwambiri.
Chilankhulo
Zifukwa za kuwonongeka kwa chitsamba cha injini ndi izi: chilolezo chochepa kwambiri pakati pa shaft ndi chitsamba chonyamula, mafuta osakwanira opaka mafuta, kusankha kosayenera kwa chitsamba ndi zina zotero.
●Kodi chifukwa cha kuwonongeka kwa injini ndi chiyani?
Zifukwa za kuwonongeka kwa chitsamba cha injini ndi izi: chilolezo chochepa kwambiri pakati pa shaft ndi chitsamba chonyamula, mafuta osakwanira opaka mafuta, kusankha kosayenera kwa chitsamba ndi zina zotero.
Zifukwa zazikulu za kuwonongeka kwa tchire ndi:
① Chilolezo chapakati pa shaft ndi bere ndichochepa kwambiri, zomwe zimapangitsa kuti mafuta azikhala ochepa komanso mikangano yam'deralo.
② Kuwonongeka kosakwanira kapena kochulukirapo kwa mafuta opaka mafuta, kuwonongeka kwa pampu yamafuta, kuphulika kwa chitoliro chamafuta kumabweretsa kutsika kwamafuta.
③ Chitsamba chobereka sichikufanana bwino.
④ Abrasive imamizidwa mu aloyi pamwamba pa magazini ndi chitsamba chonyamula, kupangitsa kuvala kwachilendo.
⑤ Kugwiritsa ntchito molakwika. Low kutentha ozizira chiyambi, kubala chitsamba pakalibe kondomu wabwino adzakhala mkulu katundu ndi liwilo ntchito.
Njira zodzitetezera ndi:
① Mukasonkhanitsa chitsamba chonyamula, yang'anani mosamala ngati chitsamba chonyamula chikukwaniritsa zofunikira ndikulabadira ukhondo wa pamwamba pa zigawozo. Musakhale othina kwambiri kapena omasuka kwambiri posonkhanitsa. Chilolezo choyenera cha bushing chopindika ndi 0.08-0.10 mm, ndipo chilolezo choyenera cha ndodo yolumikizira ndi 0.05-0.06 mm.
② Zima kuyambira, choyamba mutembenuzire crankshaft kangapo, mutayamba kugwira ntchito yopanda pake ndikofunikira. Kutentha kwa madzi kukakwera pamwamba pa 40 ℃, mutha kuyamba kuyendetsa.
③ Gwiritsani ntchito mafuta odzola apamwamba kwambiri, yang'anani mtundu wake pafupipafupi, ngati madzi akuda kapena akuda, ayenera kusinthidwa munthawi yake.
④ Samalani kupsinjika kapena chizindikiro cha alamu cha geji yoyezera mafuta pakuyendetsa, ndikuchotsa vuto lililonse munthawi yake.
⑤ Tsatirani mosamalitsa malamulo oyendetsera ntchito, gwiritsani ntchito galimotoyo moyenera, ndipo yesetsani kupewa kuchulukitsitsa, liwiro lotsika komanso kugwira ntchito mochulukira.
●Kodi chomwe chikuchititsa kuti injiniyo iziyenda pang'onopang'ono n'chiyani?
Yang'anani mphamvu yamagetsi, choyambira ndi choyambira pamene injini ikuzungulira pang'onopang'ono. M'magalimoto amakono, mafuta odzola ali ndi mphamvu zochepa pa chiyambi cha galimoto, choncho palibe chifukwa choganizira vuto la mafuta odzola, komanso kuganizira ngati injiniyo ili ndi kukana kwambiri.
Njira zochotsera liwiro la injini pang'onopang'ono ndi izi:
① Gwiritsani ntchito ma multimeter kuti muwone ngati mphamvu yamagetsi kumapeto onse a batri imachokera pa 10 mpaka 12.5 volts.
② Yatsani choyatsira. Gwiritsani ntchito ma multimeter kuti muwone ngati cholumikizira cholumikizidwa ndi batire yabwino pa choyatsira moto chili ndi mphamvu ya batri ya 10 mpaka 12.5 volts.
③ Sungani choyatsira choyatsira pamagetsi oyambira, ndipo gwiritsani ntchito multimeter kuti muwone ngati cholumikizira cholumikizidwa ndi koyilo yamoto yoyambira pa choyatsira chili ndi voteji yopitilira 8V;
④ Sungani choyatsira choyatsira poyambira, ndipo gwiritsani ntchito multimeter kuti muwone ngati chowotcha choyambira chili ndi voteji pamwamba pa 8V;
⑤ Gwiritsani ntchito ma multimeter kuti muwone ngati choyambira chili chotseguka kapena chachifupi;
⑥ Yang'anani ngati injini yakamira chifukwa chamafuta osakwanira;
⑦ Ngati m'nyengo yozizira, fufuzani ngati kukana kuyambitsa galimotoyo kuli kwakukulu kwambiri chifukwa cha kusankha kosayenera kwa injini yamafuta ndi mafuta a gearbox.
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