... and high efficiency 2 With microcomputer control. CNC Pipe end forming machine Component shaping time is short, and ... high efficiency. Necking can be used for pipe end, expanding, drum kits, bars and other shapes upsetting ... 5. Can be reduced tube, expansion tube, pipe and other blunt way of processing and is ideal ... yield, small vibration and low noise. Automatic Pipe end forming machine ZSG80 CNC