Hi
I am considering a design of robot arm and have been looking at using worm gears, as this is a tried and tested way of making robot joints. However I see that strain wave gears have minimal backlash and high efficiency, something the worm gear may not be able to compete with.
What are the advantages and disadvantages of using one over the other, with respects to torque, speed, accuracy, wear and cost (or any other factors that may be important) ?
This would be for the lighter duty joints, such as J3 on a six axis bot with wrist i.e not the wrist joint but not the big beefy base joint either.
Cheers!
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