CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] Re: Erratic stepper question.

Posted by Tim Goldstein
on 2001-03-31 23:41:16 UTC
The non-tech translation of the "add friction" cure is to not run the motors
bare shaft, but attached to a machine. Steppers require the dampening of a
load to function properly unless driven with a microstepping drive that
provides the dampening dynamically like the G2XX series from Gecko.

Tim
[Denver, CO]

> Hi,
>
> The problem you are seeing is common with full-step and half-step
> drives at low speeds. The only cure is to add significant friction to
> damp the low speed resonance or use a microstepping drive. Possibly
> the "taking off" in the wrong direction is a manifestation of the
> same problem; severe low speed resonance.
>
> Mariss
>
> FAQ: http://www.ktmarketing.com/faq.html

Discussion Thread

andesign2@y... 2001-03-31 22:07:02 UTC Erratic stepper question. mariss92705@y... 2001-03-31 23:35:31 UTC Re: Erratic stepper question. Tim Goldstein 2001-03-31 23:41:16 UTC RE: [CAD_CAM_EDM_DRO] Re: Erratic stepper question. kleinbauer@j... 2001-04-01 05:51:57 UTC Re: Erratic stepper question. Dan Mauch 2001-04-01 08:00:38 UTC Re: [CAD_CAM_EDM_DRO] Erratic stepper question. Alan Marconett KM6VV 2001-04-01 14:59:07 UTC Re: [CAD_CAM_EDM_DRO] Erratic stepper question. andesign2@y... 2001-04-02 18:48:26 UTC Re: Erratic stepper question.