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Re: Timing Belt Pulleys with Machine Key Slots?
Sorry, don't know of any suppliers (off the top of my head). If you have access to a broach, you could put keyways in the pulley. Most machine shops should be able to do it for you (might not be free).
Do you really need keys? There are alternatives (lock-ring bushings, set screws, pins) and those can do quite a good job.
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Nathan Hui
B.S. Electrical Engineering, UCSD '16
FRC 2473 (CHS Robotics), Team Captain '12
FTC 4950, 6038
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