Kev khiav dej num
1. Sheet Hlau Kho: Muab cov ntawv hlau rau ntawm lub hauv paus pwm.
2. Stamping: Lub punch ntog vertically, ua rau cov ntawv hlau tsim nyob rau hauv lub siab hauv pwm.
3. Kev tshem tawm workpiece: Ib feem raug tshem tawm, tos cov txheej txheem trimming thiab sib tsoo tom ntej.
4. Tshaj tawm -Kev Ua Haujlwm: Ua cov txheej txheem thib ob xws li txiav thiab sib tsoo.