Re: [CAD_CAM_EDM_DRO] Re: New Article Posted

----- Original Message -----
From: Dave Rigotti <drigotti@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, May 06, 2006 3:12 PM
Subject: [CAD_CAM_EDM_DRO] Re: New Article Posted


> What driver chip do you use?
>
> Dave
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Phil Mattison"
> <mattison20@...> wrote:
> >
> > For anyone who might be interested, I've posted an updated article
> on my web
> > site about how to Build Your Own 3-Axis CNC Stepper Control
> System. This
> > comprehensive guide tells you everything you need to know to build
> your own
> > CNC unipolar stepper motor control system for use with the
> parallel port of
> > a PC, compatible with popular CAM programs such as TurboCNC, Mach,
> EMC, etc.
> > The system includes a spindle control capability so your NC
> programs can
> > turn the spindle on and off automatically. Each motor channel
> drives up to 3
> > amps per phase and can automatically reduce current to 50% when
> idle for
> > more than a quarter second. The front panel includes a main power
> switch and
> > a switch to manually turn on the spindle motor when the system is
> idle. An
> > extra panel connector provides inputs for custom functions like
> limit
> > switches or probes.
> >
> > Included:
> >
> > * Instructions for power supply design.
> > * Drilling templates for the enclosure base.
> > * Detailed wiring diagrams and instructions.
> > * Complete parts list with suppliers and part numbers.
> > * DXF Programs for milling the front and rear panel (download).
> > --
> > Phil Mattison
> > http://www.ohmikron.com/
> >
>
>
>
>
>
>
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