Re: [CAD_CAM_EDM_DRO] AC spindle drive (VFD) on vari-speed B-port head

If you are using Mach2 run the Gcode go to the configure/logic page and set
the pulleys to the top speed for the spindle in each pulley position.
What breakout board and spindle speed control will you be using?
Jim

----- Original Message -----
From: "Lance Hopper" <snaggletto@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, May 20, 2004 7:24 PM
Subject: [CAD_CAM_EDM_DRO] AC spindle drive (VFD) on vari-speed B-port head


> Hello,
> I'm interested in retrofitting an old Bridgeport Series 1 CNC (the
> one with stepper motors on it) using servos. I'm also interested in
> using a variable frequency drive to control the spindle motor through
> software. How do you deal with the variable speed pulleys in the
> head when using a VFD? This also applies to my Hardinge HLV toolroom
> lathe with a variable pulley system which I would like to put an AC
> spindle drive on. Thanks for any help.
>
>
>
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