Method for punching stator and rotor sheets
A technology of rotor punching and stator punching, which is applied in the manufacture of stator/rotor body, etc., which can solve the problems of adverse effects on motor performance, labor-intensive and time-consuming cleaning, and damage to the sharp corners of the coil insulation layer, etc.
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[0013] Please refer to figure 1 , the punching stator of the present invention, the method for rotor stamping, utilize same stator cutting punching die earlier on a piece of wafer 100 along the circumferential direction to flush away stator groove shape waste material 201 and cutting waste material 202 simultaneously successively. After the groove-shaped waste 201 is washed away, the stator groove 301 with a rounded notch angle 302 is formed successively, and the washed-off slitting waste 202 is formed between adjacent stator grooves 302 along the inner circle edge of the stator punching sheet 300 301 is cut and has a certain radial width, which can be determined according to the air gap size requirements of the stator and the rotor. What is shown in the figure is that when a stator slot-shaped scrap 201 is washed away, the cutting scrap 202 separated by a stator slot-shaped size is washed away. At this time, the slitting waste 201 washed away is washed down from the wafer 10...
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