Re: [CAD_CAM_EDM_DRO] Motor Circuit

John Hansford wrote:

>Hello to all,
>
>I have a simple motor control circuit that "senses" the load
>and compensates for it. My friend Bill found this circuit in a
>book he has and I thank him. I think it may be usable for a
>slower spindle on a cnc machine if the circuitry is "upgraded"
>to more power tolerant specs. I wanted to ask the opinions of
>those who are good with this kind of thing.
>
>A simple gif file of the schematic is here....
>http://www.cnc2u.com/files/Motor1.gif
>
>
>

This circuit is for a DC brush motor, not a 3-phase brushless motor, as
the OP requested.

Jon