CAD CAM EDM DRO - Yahoo Group Archive

Re: Force through ball screw based on stepper motor torque??

Posted by ballendo
on 2006-05-16 13:06:39 UTC
Great post.

Exactly.

Ballendo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Mike Richards" <miker@...>
wrote:
>
> <Chris wrote: >
>
> > This problem (if it is) has been bugging me for some time now.
On
> > my CNC router, I can only get about 70-80 pounds of force on any
of
> > the 3 axes. <snip>
>
> Chris,
>
> When are you measuring the tourque? On my test bench, I only get
> HOLDING torque when the stepper is moving very slowly. Shortly
after
> stopping the stepper, the automatic current reduction feature on
the
> drive kicks in and reduces the holding torque substantially. On
the
> other hand, running the drives at speed usually puts the stepper in
> that part of its torque curve where torque is very limited. In
short,
> I would only expect to see full torque when the stepper is running
in
> its full torque range.
>
> - Mike
>

Discussion Thread

lcdpublishing 2006-05-16 06:14:23 UTC Force through ball screw based on stepper motor torque?? Mariss Freimanis 2006-05-16 06:55:21 UTC Re: Force through ball screw based on stepper motor torque?? lcdpublishing 2006-05-16 07:17:44 UTC Re: Force through ball screw based on stepper motor torque?? Mariss Freimanis 2006-05-16 08:01:11 UTC Re: Force through ball screw based on stepper motor torque?? lcdpublishing 2006-05-16 08:07:36 UTC Re: Force through ball screw based on stepper motor torque?? John Dammeyer 2006-05-16 10:46:47 UTC RE: [CAD_CAM_EDM_DRO] Force through ball screw based on stepper motor torque?? Mike Richards 2006-05-16 12:32:35 UTC Re: Force through ball screw based on stepper motor torque?? Dan Mauch 2006-05-16 12:33:58 UTC Re: [CAD_CAM_EDM_DRO] Force through ball screw based on stepper motor torque?? lcdpublishing 2006-05-16 12:56:23 UTC Re: Force through ball screw based on stepper motor torque?? ballendo 2006-05-16 13:06:39 UTC Re: Force through ball screw based on stepper motor torque?? Dan Mauch 2006-05-16 13:15:51 UTC Re: [CAD_CAM_EDM_DRO] Re: Force through ball screw based on stepper motor torque?? lcdpublishing 2006-05-16 13:35:09 UTC Re: Force through ball screw based on stepper motor torque?? lcdpublishing 2006-05-16 13:41:22 UTC Re: Force through ball screw based on stepper motor torque?? ballendo 2006-05-16 14:34:41 UTC Re: Force through ball screw based on stepper motor torque?? Peter Reilley 2006-05-16 14:52:48 UTC Re: [CAD_CAM_EDM_DRO] Re: Force through ball screw based on stepper motor torque?? Codesuidae 2006-05-16 15:02:15 UTC Re: [CAD_CAM_EDM_DRO] Re: Force through ball screw based on stepper motor torque?? lcdpublishing 2006-06-01 14:41:13 UTC Re: Force through ball screw based on stepper motor torque??