Re: AC Motor Speed Control

Ron,

Thanks for the info. I guess I need to save up for a while.

Thanks again,
Roger

--- In CAD_CAM_EDM_DRO@yahoogroups.com, R Rogers <rogersmach@...>
wrote:

>
> GS2 VFD from automationdirect.com and a 3 phase spindle motor.

Softwares like Mach3 can control it with an analogue signal.

>
> Ron
>
> Roger <skyrocket@...> wrote:
> Hi everyone,
>
> I just purchased a used Rong Fu RF-30. I am starting to collect
> tooling but the thing I would really like to change is the control

of

> the spindle speed. Moving belt postions to change spindle speed is

a

> pain in the rear.
>
>
> Questions:
> What is the best way to control the motor speed electrically?
>
> Is there an inexpensive AC motor controller that can be added to
> control the spindle speed or do I have to change to a different

motor

> type?
>
> I want to do something that would be the next step in making the

mill

> CNC compatible.
>
> Thanks in advance.
>
>
>
>
>
>
>
>
>
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