Quote:
Originally Posted by Engineer
We've had the push nut on the motor shaft works it way out until the key fell out. This cause one of the motor to spin freely. The only issue I see is the push nut. I'd prefer a set screw or event better an E-clip design but that would require machining the motor shaft. Some teams may not have the resources for machining the shaft.
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We vastly prefer those splined retaining rings over any other method that can easily be done with the CIM shaft.
The only thing better in my opinion would be a snap ring, which isn't possible to do without disassembling and permanently damaging the motor.