Re: [CAD_CAM_EDM_DRO] CNC Lathe spindle motor replacement control board

Hi Dan,

Take a look at KB Electronics:

http://www.kbelectronics.com/

I believe Sherline uses one similar to the KBIC.

Alan KM6VV


Dan Mauch wrote:

>
> Any suggested source for a good quality low cost 90VDC speed controller?
> My spindle motor specs are:
> 90VDC 5A continuous PM motor with tach @ 7V per 1K RPM
> 60A peak.
> Must use a speed control pot for local operation
> Must have a tach feedback for 7V/1K RPM and with good response time for
> threading operations.
> PWM output at least 16Khz
> I would also like to have it so I can use an analog signal of +10 for
> program speed control.
> Dan