Re: [CAD_CAM_EDM_DRO] Erratic stepper question.

Hi Jason,

Sounds like you need little dampening or load on them! Get 'em
connected up to the mill, probably work just fine!

M091's, boy, those are old fellas! NEMA #34? What are you putting them
on?

Alan KM6VV

andesign2@... wrote:

>
> I have recently finished assemblying my 3 axis 5amp stepper driver
> from Camtronics and my homemade power supply. I downloaded the CNCPRO
> demo and ran each stepper motor in air. I noticed that at certain
> speeds the motors shuttered, especially at very low speeds. I also
> loaded the example 3D arc G code file that came with the software,
> when I tried to run it the motor shuttered a couple of times at low
> speed. As the speed ramped up sometimes the motor would take off
> really fast in the wrong direction. I am running in half step mode
> and I believe all of my software and driver configurations are setup
> correct. Could anyone please tell me if I'm missing something.
>
> The motor details:
>
> Superior Electric
> Slo-Syn Synchronous/Stepping Motor
> Type= M091-FD-426
> 150oz.in
> 200 Steps
> 2.6V 3.1A DC
> 6 wire
>
> I bought these motors at C and H Sales.
>
> Thank You,
>
> Jason