利(li)用模(mo)(mo)具成(cheng)(cheng)形的(de)加(jia)工(gong)工(gong)序，一般沖(chong)(chong)床加(jia)工(gong)的(de)有沖(chong)(chong)孔(kong)、切角、落料、沖(chong)(chong)凸(tu)包(bao)(bao)（凸(tu)點），沖(chong)(chong)撕裂、抽孔(kong)、成(cheng)(cheng)形等加(jia)工(gong)方(fang)式(shi)，其加(jia)工(gong)需要有相應的(de)模(mo)(mo)具來完成(cheng)(cheng)操(cao)作，如沖(chong)(chong)孔(kong)落料模(mo)(mo)、凸(tu)包(bao)(bao)模(mo)(mo)、撕裂模(mo)(mo)、抽孔(kong)模(mo)(mo)、成(cheng)(cheng)型模(mo)(mo)等，操(cao)作主(zhu)要注意位置，方(fang)向性。
