Re: [CAD_CAM_EDM_DRO] Motors

onecooltoolfool wrote:

>A router is a "universal motor" it will run (the same?) on AC or DC.
>It is not reversible. Some hand drills have this type of motor also
>and they are not reversible. Speed will vary with voltage and torque
>seems pretty good except very low speeds. Frequency drives will not
>work. To have it reversible I think you need another set of
>windings. I don't know why, but they only run one way.
>
>

Not quite true. If you have access to all the wires from both armature and
field, you can reverse them. That is how reversable drills work. they have
a DPDT switch that reverses the connection of the field winding.

Jon