CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Sherline CNC stepper motors getting "stuck"

Posted by Jon Elson
on 2003-02-08 22:47:13 UTC
builder4wd wrote:

>
>Question #2
>
>Since I have 6 wire motors, I set my Xylotex board to output 1/2 the
>rated current, but my motors get stuck at even the 8000 Hz step rate.
>To fix this, I tried reducing the current from the drive to less... I
>found that at about 0.73 amps, I can increase my step rate to 18000
>Hz when I jog the motors. My question is, if I reduce the current
>output on the driver, what do I gain/lose? What are the tradeoffs?
>
>
I would suggest changing to only using half the winding at full current.
You will get much
better performance at the higher speeds that a Sherline needs due to the
fine-pitch leadscrew.

Jon

Discussion Thread

builder4wd <builder4wd@y... 2003-02-08 01:07:35 UTC Sherline CNC stepper motors getting "stuck" abbylynx <abbylynx@y... 2003-02-08 05:46:01 UTC Re: Sherline CNC stepper motors getting "stuck" Carol & Jerry Jankura 2003-02-08 07:05:39 UTC RE: [CAD_CAM_EDM_DRO] Sherline CNC stepper motors getting "stuck" builder4wd <builder4wd@y... 2003-02-08 15:58:03 UTC Re: Sherline CNC stepper motors getting "stuck" Dave Kowalczyk <dkowalcz@d... 2003-02-08 18:23:23 UTC Re: Sherline CNC stepper motors getting "stuck" jeffalanp <xylotex@h... 2003-02-08 21:06:34 UTC Re: Sherline CNC stepper motors getting "stuck" Jon Elson 2003-02-08 22:47:13 UTC Re: [CAD_CAM_EDM_DRO] Sherline CNC stepper motors getting "stuck" dayap1 <dayap@m... 2003-02-09 18:47:26 UTC Re: Sherline CNC stepper motors getting "stuck" builder4wd <builder4wd@y... 2003-02-10 18:13:52 UTC Re: Sherline CNC stepper motors getting "stuck" William Scalione 2003-02-11 12:10:14 UTC Re: [CAD_CAM_EDM_DRO] Re: Sherline CNC stepper motors getting "stuck"