Re: [CAD_CAM_EDM_DRO] AC Motor Speed Control

Hi ,

I've sold a few DigiSpeeds to people who use them to control the GS2 VFD from
Mach2/3. It provides an isolated 0 - 10V analog voltage from the Mach2/3 PWM
output.

http://www.homanndesigns.com/DigiSpeedDeal.html

have a look at;

Cheers,

Peter.

R Rogers 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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> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto: aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
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> Yahoo! Groups Links
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Web: www.homanndesigns.com
email: homann@...
Phone: +61 421 601 665
www.homanndesigns.com/ModIO.html - Modbus Interface Unit
www.homanndesigns.com/DigiSpeedDeal.html - DC Spindle control
www.homanndesigns.com/TurboTaig.html - Taig Mill Upgrade board