Wax Investment Yotayika Gawo
Mafotokozedwe Akatundu
Kuponyera ndalama ndi njira yopangira momwe sera imakutidwa ndi zida zadothi.Zinthu za ceramic zikawumitsidwa geometry yake yamkati imatenga mawonekedwe a kuponyera.Sera imasungunuka ndipo chitsulo chosungunula chimatsanuliridwa mubowo momwe serayo inalili.Chitsulocho chimalimba mkati mwa nkhungu ya ceramic ndiyeno chitsulo choponyera chitsulo chimasweka.Njira yopangira iyi imadziwikanso kuti njira yotayika ya sera.Kupanga ndalama kudapangidwa zaka 5500 zapitazo ndipo kumatha kutengera ku Egypt ndi China wakale.Magawo opangidwa m'mafakitale ndi njira iyi amaphatikiza zida zamano, magiya, makamera, ma ratchets, zodzikongoletsera, masamba a turbine, zida zamakina ndi magawo ena a geometry ovuta.
- Kuponyera ndalama ndi njira yopangira yomwe imalola kuponyedwa kwa magawo ovuta kwambiri, okhala ndi mapeto abwino.
- Zigawo zowonda kwambiri zitha kupangidwa ndi njirayi.Zopangira zitsulo zokhala ndi zigawo zopapatiza ngati .015in (.4mm) zapangidwa pogwiritsa ntchito kuponya ndalama.
- Kuyika ndalama kumathandizanso kulondola kwapamwamba kwambiri.Kulekerera kochepera ngati .003in (.076mm) kwanenedwa.
- Pafupifupi zitsulo zilizonse zimatha kukhala ndalama.Magawo opangidwa ndi njirayi nthawi zambiri amakhala ang'onoang'ono, koma magawo olemera mpaka 75lbs apezeka kuti ndi oyenera kugwiritsa ntchito njirayi.
- Magawo ena azachuma akhoza kukhala okha.
- Kupanga ndalama ndi njira yovuta ndipo ndiyokwera mtengo.
Fakitale yathu