| abstract |
The present application provides a motor stator punching sheet, which includes a plurality of punching units connected to each other and having the same structure, the plurality of punching units can be enclosed into the motor stator punching sheet, and each punching unit has an empty slot , the empty slot includes a slot set on the stator teeth of the punching unit and a slot shoulder set on the shoulder of the punching unit, and the slot is communicated with the slot shoulder. The motor stator punch of the present application adopts the method of forming a notch on the yoke of the stator teeth away from the punching unit and a groove shoulder extending in the radial direction of the punching unit on the stator tooth, and combining the notch and the shoulder, not only It solves the problems of poor versatility and difficult size control in the prior art that only use the slotted opening of the stator teeth, and effectively suppresses the cogging torque of the motor. |