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Re: pic: Team 955's take on 4 speeds (back)
Having a shaft supported by three bearings is like an over-constraint. The only way you should even consider doing this is if you are certain you can keep tolerances to around .0004 (yes 4 ten-thousandths) and trust me, that is not an easy thing to do, even on a CNC.
Will it work with three bearings on a shaft? Yes. Will it bind and cause a loss of efficiency? Yes.
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
Technical Mentor, Team 696 Circuit Breakers, 2005-2007
Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004
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