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Re: Never Do This, and Other Good Ideas Gone Bad
Quote:
Originally Posted by artdutra04
Retain, or transmit torque?
Relying on set screws to transmit torque on an FRC robot is almost always a bad idea (except for things like potentiometers), but we've used them dozens of times to hold something in place (laterally along shaft) without any problems. That being said, I prefer to design around them, and either use Delrin spacers, stepped shafts, tapped shaft ends, E-clips, or roll-pins to avoid them. If we need to use them, we almost always drill for two set screw holes 90 degrees apart, use Loctite threadlocker, and only use the cone-tip set screws.
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If I have no other choice I will give in to using a set screw for retaining only. I much rather use spacers, e-clips, pins, you name it before I'd choose a set screw though. Obviously transmitting torque is a massive no-no.
-Brando
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