利用(yong)模具成形的加工(gong)工(gong)序(xu),一般(ban)沖(chong)床加工(gong)的有沖(chong)孔(kong)、切角、落料(liao)、沖(chong)凸包(bao)(bao)(凸點),沖(chong)撕(si)裂、抽孔(kong)、成形等加工(gong)方(fang)式(shi),其加工(gong)需(xu)要(yao)有相應的模具來完成操(cao)作,如沖(chong)孔(kong)落料(liao)模、凸包(bao)(bao)模、撕(si)裂模、抽孔(kong)模、成型模等,操(cao)作主要(yao)注意(yi)位置,方(fang)向性。