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Unread 28-05-2009, 07:58
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1996
Location: Wheeling, IL
Posts: 10,770
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Re: Swerve Drive and Ball Bearing Questions!

Wildstang uses a bronze bearing at the top of the module. The upper module attachment is machined to fit this bearing. The bearing has a flange as well so that the weight of the robot rests on the flange (thrust bearing) while the remainder of the bearing provides a surface for lateral loads. The bottom of the module is a circle of polished aluminum resting inside a delrin ring, resting inside a fixed aluminum plate attached to the bottom of the robot. The delrin is machined into a "Z" shape so that it self aligns and reguires no additional parts to keep it in place during use. This provides lateral support when the robot is turning or is hit from the side during robot to robot contact.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.