Quote Originally Posted by irving2008 View Post
Anything above 85degC and you need to be thinking cooling/heatsinks on the motors.

D'uh

I've never run a stepper past comfortable to touch, usually lukewarm to tepid. Am I not trying hard enough :naughty:

Isn't there something about eddy currents heating things up? No possibility he's driving one coil with the other shorted out I suppose? That would be the perfect recipe for slow'n'hot :heehee:

Robin