... for vedio 3. ON SALE cnc busbar machine copper aluminum punch cut bend process-This machine has 3 stations. 3 ... PLC control, stable and reliable.Punch UnitIt can finish round hole punch ,oblong hole punch , square hole punch and embossing etc through change of ... bright and good appearance.Bend UnitPlain bending, vertical bending ,elbow pipe bending, connecting terminal and copper bar bending etc can be ...