... 1000*960*1000MM Cylinder Punching Automation EquipmentUsage:Apply to the blade cylinder, drilling spring hole, punching blade groove, punching blade groove and sealing ... respectively perform the procedures as drilling spring holes, punching blade groove and sealing strip groove of lock plunger, milling ... length vary from 20mm-50mm, and punch 3-10 blade grooves.4. The range from the transection of the ...