Thread: chain transmission without tensioning
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Unread 12-12-2013, 14:14
Dival Dival is offline
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AKA: Yarden
FRC #3316 (D-Bug)
Team Role: CAD
  
Join Date: Feb 2013
Rookie Year: 2013
Location: Tel Aviv, Israel
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chain transmission without tensioning
I am now working on CADing a 6WD model. I want to use chain transmission without tensioning. From your experience, is it possible, given a high capability of CNC machining for the drive base channels?
Also, I was wandering what tolerance I have while designing it. Do I have to make the distance between the sprockets exactly the expected length? A little bit less? Is 1 mm deviation, for example, enough to make the chain fall, or make it be over-stretched?
I am particularly interested in using a 25 chain, but any answer that deals with 35 chain or belt drive will also be very helpful to me (other members of the team are now designing belt drives).