Re: [CAD_CAM_EDM_DRO] controlling hydraulics with Mach 2

Hi Shawn
I used the standard release of cncpro, which I'm still using. I like it
even though it's got a couple of "peculiarities". The board I built would
work with any step and direction type software. The Galil chips used were
GL-1200. They take step and direction input, along with the encoder
feedback and output +/- 10 volts to an analog servo amp. They have a PID
filter etc. I am very happy with the setup. The chips cost around $100
each (need one per axis) plus a few other bits and pieces and the labor to
build the board. May not be the most cost effective way to do this today.

Bob

----- Original Message -----
From: "Shawncd" <shawncd@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, June 05, 2004 7:25 PM
Subject: Re: [CAD_CAM_EDM_DRO] controlling hydraulics with Mach 2


> Hi Bob,
> Did Yeager automation customize there software to work with Galil motion
> control cards?
>
> Shawn
>
>
> ----- Original Message -----
> From: "Bob Muse" <mtebob1@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Saturday, June 05, 2004 1:22 PM
> Subject: Re: [CAD_CAM_EDM_DRO] controlling hydraulics with Mach 2
>
>
> > Hi Todd
> >
> > I had the same idea about 8 years ago. I had a cintimatic mill with
> > hydraulic servos and a bad control. I retrofitted a PC using CNCPro and
a
> > motion board with Galil chips. Spent a couple days building the
> electronic
> > interface and installing encoders and then watching the table try to
leap
> > off the ways!! I scrapped that idea and installed dc servo amps and
> motors
> > and it's been making chips ever since.
> >
> > There's a good reason why you seldom see a hydraulic servo on a machine
> tool
> > any more. They were plagued with many problems. Of course, this is
just
> > my 2 cents worth.
> >
> > Regards,
> > Bob
> >
> >
> > ----- Original Message -----
> > From: "Todd W. Syssa" <procisionengineering@...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Saturday, June 05, 2004 12:01 PM
> > Subject: [CAD_CAM_EDM_DRO] controlling hydraulics with Mach 2
> >
> >
> > > Anyone out there ever control hydraulics with Mach 2
> > > or other CNC PC based controller?
> > >
> > > I have a proportional hydraulic valve that uses 12 VDC
> > > and varies fluid with current (.6-1.2 amps) as well as
> > > an on off valve that uses 12 VDC to power the solenoid
> > > for each direction.
> > >
> > > I also have a linear encoder attached to the carraige
> > > of each slide and have gotten both encoders to work
> > > with the Mach 2 demo. My question is about converting
> > > the output used for a servo/stepper motor to making it
> > > useful for turning on and off the hydrualic
> > > cylinders...
> > >
> > > ...is modifying a servo amplifier a possibilty? Any
> > > ideas would be helpful!
> > >
> > > Thanks,
> > > Todd W
> > >
> > >
> > >
> > >
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> > 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
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[Moderators]
> 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
>
>
> Yahoo! Groups Links
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>