CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] how much motor cogging is OK?

on 2006-09-29 10:32:05 UTC
Frankly, only you can answer that, based on your application. How slow
do you run it? If your application doesn't tolerate torque ripple, you
can gear it down, add inertia, or change to an AC servo or a stepper
driven by linear sinusoids (or approximation.)

On 9/29/06, Elliot Burke <elliot@...> wrote:
> To use a motor for a servo, how much cogging is OK? My motor definitely has
> some cogging, it can be felt while rotating the shaft by hand. It hasn't
> been driven slow enough to see if this affects its rotation.
>
> As a figure of merit, is something like the cogging torque/moment of
> intertia reasonable?
>
> thanks for any help here, I'll be sure to share what is learned.
>
> regards-
> Elliot
>
>
>
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Discussion Thread

Elliot Burke 2006-09-29 09:12:03 UTC how much motor cogging is OK? Jon Elson 2006-09-29 10:26:20 UTC Re: [CAD_CAM_EDM_DRO] how much motor cogging is OK? Dennis Schmitz 2006-09-29 10:32:05 UTC Re: [CAD_CAM_EDM_DRO] how much motor cogging is OK? Apalais 2006-09-29 15:45:26 UTC Re: [CAD_CAM_EDM_DRO] how much motor cogging is OK? optics22000 2006-09-30 09:39:47 UTC Re: how much motor cogging is OK? John Dammeyer 2006-09-30 10:33:06 UTC RE: [CAD_CAM_EDM_DRO] Re: how much motor cogging is OK? Apalais 2006-09-30 19:01:08 UTC Re: [CAD_CAM_EDM_DRO] Re: how much motor cogging is OK? Jim Fleig - CNC Services 2006-09-30 21:12:17 UTC Re: [CAD_CAM_EDM_DRO] Re: how much motor cogging is OK? optics22000 2006-10-01 08:16:21 UTC Re: how much motor cogging is OK? gran3d 2006-10-01 09:02:44 UTC Re: how much motor cogging is OK?