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Kodi ukadaulo wa makina oponyera zodzikongoletsera umathandiza bwanji kuti zinthu zipangidwe bwino?
Kupopera mpweya pogwiritsa ntchito vacuum pressure casting kumachotsa mpweya m'bowo la nkhungu musanasungunuke ndi kudzaza, kuchotsa ma porosity a mpweya, thovu ndi mabowo a pamwamba. Kupopera mpweya kosagwira ntchito kumakankhira chitsulo chamtengo wapatali chosungunuka kuti chidzaze bwino mapangidwe a zodzikongoletsera zabwino kwambiri. Zopopera zolimba zimakhala ndi kapangidwe kolimba, kosalala komanso kofanana , mphamvu yolimba komanso kusinthasintha bwino. Zimachepetsa zolakwika pamwamba, zimachepetsa kuchuluka kwa zinyalala za zinthu ndikuchepetsa ntchito yopukuta pambuyo pake. Zotsatira zopopera nthawi zonse zimapezeka mu batch ndi batch, makamaka zoyenera kupanga zodzikongoletsera zagolide, siliva ndi platinamu.