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Re: Securing gears on shafts
I don't know if it has been mentioned already (possibly by a different name) but I have often seen circlips function well to keep things on shafts in place. Nylon spacers also work alright (assuming they don't grind on anything). If you have the space, a custom shaft can often be designed to have a high spot that secures the side of one or two gears too. I like circlips though because they are easily removable and take up little space on a shaft.
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University of Waterloo Mechanical Engineering Class of 2014- 2B School Term
University of Waterloo Formula SAE Race Team 2010-Eternity
FRC 2702: REBotics 2011 Mentor ::: FRC 1006: Fast Eddie Robotics 2005-2009 Alumni ::: FLL 4050: 2004 Alumni
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