Quote:
Originally Posted by Gdeaver
The tools I beat the c##p out of and they survive year after year do not have planetary gears. There are some things to like about parallel shaft spur gear transmissions.
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OTOH, the automotive transmissions that I put a lot of power thru and they survive year after year have planetary gears, not parallel shaft spur gears. Being planetary or conventional doesn't really matter as much as using a transmission within it's design limits.
The BB transmissions that we are using for arms have a LOT of gear reduction, and really do need to be stronger for the use we're giving them. If you want to use a low cost transmission, then you have to realize that you are using a low cost transmission, and design the robot to be easy on it. BB doesn't have a torque limit or shock load limit warning on these things...maybe they should.