... punching press line will be using for hole punching of side steel trip , and the line can be used for other ... : according to customers2.Working speed 6m-8m/min3.Roller stationssingle side 12 groups, total 24 groups4.Roller Material cr12 steel ,quench ... .6mm(30-26ga.),poly cloth size 50----300mm(2inch-12inch),Single Side steel size 40--110mm(1.5-4.5) ,the width ...