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1  Using Arduino / Motors, Mechanics, and Power / Re: Looking for some help with stepper motor control on: November 17, 2012, 07:36:21 pm
If you have a 6-wire motor, an option to improve torque at high speeds is to use only half of each coil.  Instead of using, say, red-blue use red-white.  This will reduce inductance and will halve your torque at low/no speed but will increase torque at higher speeds, letting you use full steps(maybe)
2  Using Arduino / Motors, Mechanics, and Power / Re: Stepper overheating on: November 17, 2012, 07:31:02 pm
What do you mean by "very hot" ?  Typical stepper motors are fine up to ~150 F.  If you can touch it comfortable, it's not doing any damage.
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