Re: [CAD_CAM_EDM_DRO] Re: microstep accuracy was what comprises as step

Alan Marconett KM6VV wrote:

> Hi again Jon, and Mariss,
>
> I also got with the Servo's (auction) a Super Vexta microstepper
> system. The driver is UDX5114, and the stepper is UPH596-A. 500 spr, I
> think. The manual is *ALL* in Japanese, but I see 11.8kgcm and
> 700gcm^2, and 1.5kg in one table for this motor/driver. 1.5kg looks
> like weight, and I'm guessing that 11.8kgcm will translate out to
> holding torque, and 700 gcm^2 will be the running torque. It's a NEMA
> #34, and I've only got one, otherwise I'd use them on my PCB router
> project. Not much info on this on the 'net, either!
>
> My question is, if it's 500 steps (more?), can I count on each and every
> one of them? I'm told these are matched systems. 100VAC to the driver
> (I can fix that w/ a bucking xfmr), and CW/CCW inputs. Logic can easily
> fix that, or, as I'm working with TurboCNC and my own program, I think
> I'll probably just modify the code to drive them! The driver came with
> it, otherwise, I'd be tempted to play around with a 5-phase stepping
> sequence!

I have a similar one, slightly different part number, and a larger motor.
Mine is 400 steps / rev. Mine can be switched from CW/CCW to
step/dir with a dip switch setting. You won't believe how fast these can
go, I have had mine up to 3000+ RPM at 20,000 steps/sec.

Jon