What qualites should I look for in a good stepper motor? - CNCzone.com-The Largest Machinist Community on the net!

mtndrew77 · #1 09-28-2009, 10:28 PM

I just picked up a EMCOMAT 20E lathe for cheap, and I'm starting to plan out a retrofit to full CNC.

What should I look for in a quality stepper motor??

RotarySMP · #2 11-17-2009, 06:37 AM

I should be a square, rather than a round body. Generally motors with low voltage ratings (say around 2-3V) will have a flatter torque curve than higher voltage motors. With a typical chopping drive like a Gecko, you run then at between 10x and 25X rated voltage.

Look a Kelinginc.com for a wide selection of motors with torque curves.

mactec54 · #3 11-17-2009, 08:22 AM

Whats the reason for a stepper motor You can use AC servos for just a little more or close to the same money PM me if you are interested

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