Quote:
Originally Posted by frcguy
Sure. During auto the robot would go through the low bar, and then attempt to back over it. If our alignment was off, when backing up, the robot went in at a slight angle and was pushing against one of the side supports for the bar. The motors proceeded to run while the robot was pushing against the support for a good 5-7 seconds, causing the gears to grind. This happened once or twice until we dialed in our positioning. For context, this gear is part of the third stage on the 2 CIM ball shifter. It actually drives the output shaft.
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That would certainly do the trick. Makes me glad we traction-limited the low-gear on our drive system.
That said though, of the 100+ VEX aluminum gears we've used on our competition robots over the past 3 years, the only time I've had issues with chipping teeth was on the choo-choo mechanism on our 2014 shooter (which, too be fair, was poorly designed, and over tensioned) so don't let them scare anyone away for most normal uses.