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Unread 17-03-2014, 09:30
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Re: Let's See Your Robot's Battle Scars

Quote:
Originally Posted by s_forbes View Post
This thread is great!



What was this gear used for, and what conditions caused it to fail?
It was on our drive. Our center wheel is directly driven by the output shaft of our gearbox. This gear was cantilevered and was 1.5” from the nearest bearing. We replaced it with a steel gear which broke too. We ran only in low gear, which was also cantilevered, but worked well. We’re going to try switching to 20 degree pressure angle gears that are .500 wide and supporting the shaft on both sides of the gear.
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