Re: spindle speed controller

Hello,

I worked with Peter on this (just dimensions and such, he's done all
the "real" work), and I can say if you've got a sherline, it will be
worth the wait...

Ballendo (no commercial connection)

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Peter Homann"
<peter.homann@a...> wrote:

> Hi,
>
> If you can wait 3 or 4 weeks I should have something available.

It's a small

> upgrade board that will fit into a Sherline speed controller

housing that

> will let you control the spindle speed via the PWM speed output

from Mach2

> or via a step/dir signal.
>
> I'm just waiting on the prototype boards from the pcb house.
>
> Cheers,
>
>
> Peter Homann
> mailto:Peter.Homann@a...
> Adacel Technologies Limited,
> 250 Bay St, BRIGHTON, 3186, AUSTRALIA
> http://www.adacel.com <http://www.adacel.com>
> Telephone +61 (3) 8530 7777, Facsimile +61 (3) 9596 2960
> Mobile 0421-601 665
>
>
> > -----Original Message-----
> > From: felixdkat2002 [mailto:ebay@s...]
> > Sent: Friday, 16 January 2004 4:05 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] spindle speed controller
> >
> >
> > sherline mill, but i think the question might still apply here...
> >
> > how do you set up a speed control interface for your spindle??
> >
> > is there a commercial product or a free schematic??
> >
> > looking thru the archived messages someone mentions some i2c
> > (whatever that is...noobe here) but i cant find any details...
> >
> > i would rather breadboard a simple control if possible instead of
> > spending hundreds of dollars...
> >
> > thanks,
> > any input apprecitated,
> > fdk
> >
> >
> >
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