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Unread 23-06-2002, 23:08
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Re: Can I drill the output shafts of unmodifiable motors?

Posted by rebecca at 1/18/2001 1:41 PM EST


Student on team #192, gunn robotics team, from gunn high school.


In Reply to: Can I drill the output shafts of unmodifiable motors?
Posted by CArobot on 1/17/2001 7:39 PM EST:



For a final robot, i scream, NO WAY! for mock-ups, however, yes! one tiny hole won't kill you when you switch to a better system for the real thing. We have had recent luck with spring pins (available at hardware stores and small parts) for our mock-ups after breaking a few cotter pins.

For the real thing, a keyway is THE way. for those of you who are unfamiliar, ths involves milling a small slot in the output shaft of the motor, and buying a gear/sprocket with a slot or machining it with a broach. Then slip a square bit of steel between the two, and voila! This was a no-fuss, no-muss solution for us last year when we utilized two van door motors on our arm.

As for the drill motors, I must advise against the threaded shaft and left hand screw attatchment (this is the way bosch attatches their chuck). We broke so many of those stupid screws!



: Can I drill the output shfts of unmodifiable motor, as in for a pin or screw?


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