I think I may he having resonance problems. I'm trying to fix it electronically, rather than mechanically, don't have an easy way to make dampers. I'm going to try the different hookup schemes, but I thought I'd ask for other's opinions too. I have the 4 axis board and a Taig mill.
I can hook up the steppers parallel, series, or unipolar. Here are the specs for each scheme:
parallel, 258 oz-in, 2.3Vdc/Phase, 4.2A
series, 258 oz-in, 4.7Vdc/Phase, 2.1A
unipolar, 181 oz-in, 3.3Vdc/Phase, 3.0A
My power supply is 26Vdc, vRef is at 3.53 on the board. Hooked up parallel right now, having problems loosing steps at lower speeds. Higher speeds are usually better than lower, it runs smoother.
I'll probably try series and unipolar to see what happens, but I'm also wondering what others might think about what differences I might find.
Edit: I guess I can only try parallel and series bipolar, not unipolar as the Xylotex board isn't a unipolar driver.
Monte


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