Thekupanga luso lanon-standard flangezikuphatikizapozopanda pake, kufa kopanga ndi filimu yotopetsakupanga. Panthawi yopanga,mitundu yosiyanasiyananjira amasankhidwa malinga ndi kukula ndi kuchuluka kwakupangamagawo.
Zida ndi zida zomwe zimagwiritsidwa ntchito popanga kwaulere ndizosavuta, zapadziko lonse lapansi komanso zotsika mtengo. Poyerekeza ndi kuponya opanda kanthu,zopanda pakeamapanga shrinkage pabowo, porosity ndi zina zolakwika, ndipo kumapangitsa opanda kanthu kukhala apamwamba makina katundu. Ma forgings ndi osavuta mawonekedwe komanso osinthika pogwira ntchito.
Chifukwa chake, ndizofunikira kwambiri popanga ma flanges omwe si amtundu.Kupanga kwaulerezida zikuphatikizapo mpweya nyundo, nthunzi-mpweya nyundo ndi chosindikizira hayidiroliki, amene ali oyenera kupanga ang'onoang'ono, sing'anga ndi lalikulu flanges sanali muyezo. Ifa yopanga zokolola zambiri, ntchito yosavuta, yosavuta kuzindikira makina ndi makina. Die forging imakhala yolondola kwambiri, ndalama zazing'ono zamachining komanso kugawa koyenera kwa kapangidwe ka fiber, komwe kumawonjezera moyo wautumiki wanon-standard flange.