Thread: Forward/Reverse difference in drill motors.
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Unread 24-06-2002, 02:38
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#0047 (ChiefDelphi)
  
Join Date: May 2001
Location: Pontiac, MI
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worm gears are extremely inefficient (EOM)
Posted by Ken Leung at 03/21/2001 1:53 PM EST


Student on team #192, Gunn Robotics Team, from Henry M. Gunn Senior High School.


In Reply to: Does SPI sell worm gears?
Posted by Kevin Sevcik on 03/21/2001 8:04 AM EST:



: Don't really have my SPI catalog by me at the moment, but that would seem like one possible solution, instead of using bevel gears. Plus, unless my thinking is totally off this morning, if you could get reverse threaded ones, you woudn't have to worry about flipping the motors on each side of the robot. The only downside would be the extra friction inherent in a worm drive. You'd need lots of lube. Hmm, plus, worm drives aren't very back drivable, so you'd have to traing the drivers not to stop too suddenly. Still, it's a thought. Any problems that I've missed?


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