ND- LAW-5B2 rotor winding machine adopts 2 winding headers to drive, so the structure is very simple. The winding servo motor transfer the force to the main shaft and the two winding boxes are fixed under the table, the slide boxes are linked to the bottom box by 4 liner bearing, the front and back motion of the slide box is driven by 2 cylinders. The big travel is for mould close while the small travel for quickly change mould.