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#7
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Re: [FTC]: TETRIX DC Motor failure analysis
One of the (many) failure modes I've seen among our local teams stems from the encoder set screw. When this screw is tightened into the soft bushing, the bushing deforms and binds on the output shaft. This binding causes a torque to be transmitted to the bushing every time the motor is rotated. At best there will be accelerated wear and the bushing will survive. At worst, we send another $30 to Pitsco. The set screw torque needed to cause this failure is quite low and I consider it to be a fault of the design rather than of the installer.
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