This machine is a special model for hollow voice coil. It can automatically calculate the width by adding a motor control shaft. Each station can modify the width separately, which can squeeze and correct the formed voice coil. It can be used to wind hot air and alcohol soluble enamelled wire, and can also be used to wind general skeleton voice coil manually. The control system adopts touch screen interface, which is easy to operate and learn. The mechanical structure is designed reasonably, and all materials used are processed by special technology. The mechanical movement part adopts imported servo motor and high-precision ball screw, the rotating part adopts imported bearings, the spindle flying fork type winding, six station rotary thread cutting and stripping ensure the high efficiency and precision of the product.