Kupanga--Kupanga chitsulo ndi pulasitiki - kumapanga zida ndi njira zambiri. Kudziwa zosiyanasiyanakugwira ntchitondipo mawonekedwe achitsulo omwe amatuluka aliyense amapangidwa ndiye chinsinsi chomvetsetsa kapangidwe kake.
Hammer ndi Press Forging
Nthawi zambiri, zida zopangidwira zimapangidwa ndi nyundo kapena makina osindikizira. Kupanga pa nyundo kumachitika motsatizana zakufa pogwiritsa ntchito nkhonya mobwerezabwereza. Ubwino wa kupanga, ndi chuma ndi zokolola za nyundo zimatengera zida ndi luso la woyendetsa. Kubwera kwa nyundo zosinthika kwapangitsa kuti pakhale kudalira kwa ogwiritsira ntchito pang'ono komanso kusasinthika kwadongosolo. Muzosindikizira, katunduyo nthawi zambiri amagunda kamodzi kokha pazithunzi zilizonse zakufa, ndipo mapangidwe a chithunzi chilichonse amakhala ofunika kwambiri pamene luso la ogwiritsira ntchito silili lofunika kwambiri.