CAD CAM EDM DRO - Yahoo Group Archive

Re: Thanks - Servo Motor Make Up -w- Follow Up Question

Posted by vavaroutsos
on 2004-06-14 12:27:43 UTC
JD, most DC brush drives change the width of the output pulses to
adjust the average voltage seen by the motor instead of the
amplitude. This way the output stage of the drive is full on or off
and does not generate a lot of heat.

~petev

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "John Delaney"
<jdelaney2@s...> wrote:
> All who replied. Thanks very much. I'm just trying to patch up
holes
> in my knowledge. That was very helpful.
>
> BTW - I've got my motors, older Reliance Micro 100 series, brushed.
E-
> Bay buy. HP or HP like 500 CPM quadrature optical encoders.
>
> Follow up question:
>
> So assuming the servo system is set up and working correctly. If I
> were to tell software to keep the motor at some position 'A' and I
> placed a constant load on the motor to try to move from 'A' the
> result would be a series of pulses coming from the drive to the
motor
> of sufficient amplitude to keep the motor at position 'A'. Yes? I
> imagine it would bounce within the limits of the encoder too?
>
> Then the motor is eventually going to get pretty hot if the load is
> great enough?
>
> Thanks,
> -jd

Discussion Thread

John Delaney 2004-06-13 15:55:32 UTC Servo Motor Make Up? Leslie Watts 2004-06-13 16:35:03 UTC RE: [CAD_CAM_EDM_DRO] Servo Motor Make Up? afogassa 2004-06-13 16:56:41 UTC Re: Servo Motor Make Up? tommy clay 2004-06-13 17:21:42 UTC Re: [CAD_CAM_EDM_DRO] Servo Motor Make Up? Gregory Kamysz 2004-06-13 19:22:16 UTC Re: [CAD_CAM_EDM_DRO] Re: Servo Motor Make Up? Jon Elson 2004-06-13 22:39:41 UTC Re: [CAD_CAM_EDM_DRO] Servo Motor Make Up? John Delaney 2004-06-14 11:58:31 UTC Thanks - Servo Motor Make Up -w- Follow Up Question vavaroutsos 2004-06-14 12:27:43 UTC Re: Thanks - Servo Motor Make Up -w- Follow Up Question Andy Wander 2004-06-14 12:34:07 UTC RE: [CAD_CAM_EDM_DRO] Re: Thanks - Servo Motor Make Up -w- Follow Up Question Fred Smith 2004-06-14 13:35:29 UTC Re: Thanks - Servo Motor Make Up -w- Follow Up Question Jon Elson 2004-06-14 22:41:43 UTC Re: [CAD_CAM_EDM_DRO] Thanks - Servo Motor Make Up -w- Follow Up Question