Re: [CAD_CAM_EDM_DRO] Want to convert step-pulley drive to digital speed control

Steve,

A VFD (Variable Frequency drive) may work. Look at Automation Direct.
WWW.automationDirect.com

If a VFD will work, then using one of our spindle speed control boards would
give you control from your program.

At least that would be a place to start looking.

Bob Campbell
Bob@...
www.campbelldesigns.com
Breakout board
THC board sets
CNC router plans
Stepper Motors
VisualMill Basic

----- Original Message -----
From: "Steve" <s_hight@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, June 11, 2005 4:34 PM
Subject: [CAD_CAM_EDM_DRO] Want to convert step-pulley drive to digital
speed control


>I have a 3HP three phase mill-drill that I would like to upgrade to
> some kind of digital variable speed control. I am looking for as
> close to a bolt-on solution as possible. I am sure there are a ton of
> solutions out there, I am just not sure where to start.
> I am using a static phase converter on the motor right now, I am not
> sure if that is a limiting factor or not.
>
> Thank you,
>
> Steve
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