... 3. Forming time: 7-30s/time CNC Pipe end shaping machine Component shaping time is short, and ... high efficiency. Necking can be used for pipe end, expanding, drum kits, bars and other shapes upsetting ... blunt way of processing and is ideal for tube end forming machinery. Processing shapes include: concave, convex section ... yield, small vibration and low noise. ZGS series taper tube end reduce machine