Re: [CAD_CAM_EDM_DRO] Re: 4-AXIS FOAM CUTTER

----- Original Message -----
From: Van Der Sandt Coert <vandersandtc@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, June 14, 2001 4:30 AM
Subject: RE: [CAD_CAM_EDM_DRO] Re: 4-AXIS FOAM CUTTER


> Hi Alan
>
> I have been working on getting the foam edm machine to cut for about two
> years. I believe that I have it cutting just about OK now (within
tolerances
> for foam). I originally started this project to cut foam cores for RC
> airplane wings, but as time went by I started to realize a lot of
different
> applications for the machine. I have cut quite a few signs so far as well
as
> some shapes for interior decorating. None of this on a commercial level
> though (maybe someday) I have started the building of a 3 meter by 3 meter
> by 1,5 meter high machine, with this I hope to do some bigger signs etc.
> Some specs on the machines :
>
> Number 1 :
> This is about the 5th version I built. Originally I built it from old
> printer steppers and linear slides etc. It has now been upgraded with
> industrial belts and slides etc. The stepper controllers were bought from
an
> electronics supplier to the industry as surplus. Steppers are from old
> floppy drives run at half step to give 400 steps/rotation. Control is by
> step/direction pulses from the lpt port. The linear increment per step is
> 0.1021 mm which is fine because the wire cuts away about .7 mm of foam.
> Cutting dimensions are 1,5 meters wide by 1 meter deep and 220 mm high.
>
> Number 2 :
> This machine is my best attempt at a professional build with properly
> machined parts and industrial standardized belts, pulleys, linear slides
and
> bearings etc. Step controllers are 4A per phase and BIG stepper motors (I
> don't have the specs with me now) 3,1A current draw run in half step mode
> (400 steps/rotation). This time I reduced the linear increment per step by
> driving the carriages via a belt reduction (4:1) from the steppers. The
> machine hasn't cut yet but should be completed soon. The wire will
> ultimately be heated electronically (does anyone have a circuit for this?)
> and cooled by ex RC electric ducted fan turbines where it is exposed.
Again
> control is by step/dir pulses from the lpt port.
>
> I hope I didn't bore you all to sleep.
>
> Cheers
> Coert vd Sandt
> Universe Administration (Unix)
> Dimension Data
> Alexander Forbes Business Unit
>
>
>
> -----Original Message-----
> From: Alan Marconett KM6VV [mailto:KM6VV@...]
> Sent: Wednesday, June 13, 2001 8:41 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Re: 4-AXIS FOAM CUTTER
>
>
> Hi Coert,
>
> Well, many on this list have done it, and I'm planning on it (if I can
> get the new AMD host machine up)! Ray (and the EMC team) were offering
> a BDI (brain dead install) disk, I would suggest that! It's my plan
> (OK, one of my plans. I also intend to run CNCpro on it). Bought a
> LINUX book, putting a web site up on a UNIX server, learn Microsoft's
> Front Page for the web site... gotta get back to making chips!
>
> Possibly you'd like to tell us more about the foam cutting. You are
> making wings, I believe? Have you made cores for casting?
>
> May the Swarf be with you!
>
> Alan KM6VV
> P.S. I meant to write "CNCpro would WORK quite well!"
>
>
> Van Der Sandt Coert wrote:
> >
> > Hi
> > Alan wrote :
> >> "I'd think that generating the the XYUV from Vector CAD/CAM, and POST
> >> processing the axis names for CNCpro would quite well!"
> >>
> > This seems to be the solution. I have had a look at EMC as well but it
> seems
> > to be a minefield to me. Is it all that difficult?
> >
> > Thanks
> >
> > Coert vd Sandt
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
> discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Manager
>
> FAQ: http://www.ktmarketing.com/faq.html
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
> Confidentiality Warning
> =======================
> The contents of this e-mail and any accompanying documentation
> are confidential and any use thereof, in what ever form, by anyone
> other than the addressee is strictly prohibited.
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Manager
>
> FAQ: http://www.ktmarketing.com/faq.html
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>