[Mold Problem] What methods should be considered in mold design to ensure the coaxiality (0.5438+0) between the excircle of motor rotor parts and the rotating shaft?

In addition to the high machining accuracy of die parts and the accurate and reliable guiding device, the key is to finish it at one time.

Silicon steel sheet parts of motor rotor are in large quantities, and most of them are designed as progressive dies. Avoid two knives punching the inner hole and the outer circle at the same time, and the coaxiality will be better.

The coaxiality requirement of 0.0 1 is really too high.

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