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Unread 16-04-2014, 00:18
Rauhul Varma Rauhul Varma is offline
Drivetrain and Design Lead
FRC #0192 (GRT)
 
Join Date: Oct 2013
Rookie Year: 2012
Location: Palo Alto
Posts: 49
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Re: pic: Team 192's Engineering Excellence Awards

Quote:
Originally Posted by Botwoon View Post
I see that the belts from the motors were swapped top-to-bottom and a tensioner added. Did your team find problems with the bridged belt slipping?
The bridged belt itself was sound, however when I was calculating the belt path in Inventor I accidentally referenced the wrong dimension and ended up with a path 4mm too short. This resulted in the serpentine belt slipping over the output pulley under high torque.

A shorter belt to fit wasn't an option but I was able to use an existing bolt to create an idler with R4a bearings. I swapped the belts to reduce the distance the idler (and the pulleys) would be cantilevered.

Quote:
Originally Posted by Botwoon View Post
Excellent work, by the way.
Thanks!

Last edited by Rauhul Varma : 16-04-2014 at 01:08.
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