Ngakhale kuchuluka kwa zigawo zamkuwa si zazikulu, koma ndizomwe zimagwiritsidwa ntchito kwambiri pamakina, makina ambiri amawagwiritsa ntchito, imodzi ndikusunga mtengo, ina ndikubweretsa magwiridwe antchito abwino pamakina. Komabe, popanga ma castings, tiyenera kupewa zolakwika zina, kuti tichepetse kukana, kuchepetsa mtengo wake wopanga, ndikuchepetsa kuthekera kwa makina. Ndiye mungapewe bwanji mapindikidwe a zigawo zamkuwa panthawi yopanga?

1.Fufuzani kapangidwe kachitsanzo: popanda kukhudza kukula kwa geometric ndi zofunikira zogwirira ntchito za kuponyedwa kwa mkuwa, kukula kwa ngodya yozungulira pakusinthako kungawonjezeke mwa kuika mbale yowonjezera ndi kulimbikitsa. Zopanga zina zazitali zokhala ndi gawo lalikulu zimatha kupatuka chifukwa cha kulumikizana kwakukulu kotentha kwa njanji yowongolera ndi mbali zina zoonda. Chifukwa cha vuto ili, kutembenuzira kumbuyo kuyenera kutengedwa kuti kuthetsere kupotokola komwe kumachitika chifukwa cha kulimbitsa kwamphamvu. Kwa castings ndi kulemera kwakukulu ndi voliyumu, angapo owongoka sprue akhoza kutsegulidwa.

2.Kuthira kachitidwe kachitidwe: kupanga ndondomeko yopangira zopangira, kuti madzi achitsulo alowe mu nkhungu yoponyera mkuwa bwino komanso mofulumira.

3.Kudzaza mchenga kuyenera kukhala kofanana: mchenga uliwonse uyenera kukhala yunifolomu, kuteteza kusokonezeka kwa thovu chifukwa cha mphamvu yosagwirizana ya zigawo za munthu aliyense , musati muyambe bokosi.

4.Atatha kuthira: nthawi yosungira kutentha m'bokosi ndi yokwanira, ndipo mankhwala opangidwa ndi kuponyera amatha kusinthidwa moyenera.

Zindikirani: pali zinthu zambiri zomwe zimakhudza mapindidwe amkuwa. Chomwe tiyenera kuchita ndikudziwa zomwe zimayambitsa kupotoza kwa castings, ndiyeno tiyenera kuyesetsa kuzipewa. Kuwonjezera pa kupewa zinthu zoipa zimenezi, m'pofunika kwambiri kuzigwiritsa ntchito moyenera.