i would like to drive a stepper on the order of 1000's (5000-10000?) steps per 1/3 of a revolution (a 400 step / rev .. 1.8deg/step will not work ...) how easy is it to attach a stepper to attach a stepper to a worm/planetary gearbox ? or is there a source of dc motors that could be driven at ~ .…

extreem slow/percise stepper control

ralphnev February 6, 2013, 3:59pm 5

only need to change direction at the end of a run (1/3 of a revolution,10min or so)

I'm mostly conserned about vibration/ this mech. will be holding optics

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