... stainless steel,aluminum,steel, etc. This machine is NC control, for punching & drawing tapered holes on round ... feeding, high precision, quick speed.It is hydraulic punching & drawing tapered bores, one time forming, no ... Max. workpiece length: 1500mm 6) Working speed: 4 seconds per hole 7) Hole position tolerance: less than ... : PLC, touch screen 10) Total power: 4.5kW NC tapered bore punching machine