Re: [CAD_CAM_EDM_DRO] Re: LOOKING for homeshop EDM or its power supply?

----- Original Message -----
From: "luisguillermo98" <luisguillermo98@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, July 16, 2003 12:26 PM
Subject: [CAD_CAM_EDM_DRO] Re: LOOKING for homeshop EDM or its power supply?


> Marcus,
> Where can I find a small edm??
>
> Luis..
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Marcus and Eva"
> <implmex@a...> wrote:
> > Hi Luis:
> > Commercial sinker EDM requires a very expensive dielectric oil
> and
> > equally expensive electrode material.
> > I paid almost $500.00 just to fill my tank, and about $300.00 for a
> > tellurium copper plate 1" thick by 6" wide by 12" long.
> > The oil gets contaminated over time and needs to be disposed
> of...another
> > 100 bucks or so.
> > If you get into graphite electrodes, your material cost is even
> higher, and
> > you need expensive dust management capability.
> > Maintenance on these machines is very expensive too...a new servo
> valve is
> > upwards of $2000.00.
> > But these tools can work miracles if you build injection molds.
> > I simply can't do without my machine anymore; it paid for itself on
> the
> > first mold I built with it.
> > With regard to your question about speed; EDM is not a fast process
> for
> > removing lots of metal.
> > My machine is very small...only 20 amps, but it can burn a slot
> 0.100" wide,
> > 0.100" deep, and 1.0" long in about fifteen minutes on a coarse
> setting with
> > copper electrodes.
> > A heavier machine can improve on this a bit, but not all that much
> unless
> > the power supply is very sophisticated.
> > Modern CNC EDM's achieve their performance by continuously
> monitoring the
> > spark gap conditions and adjusting them on the fly, but they are
> very
> > expensive machines...hundreds of thousands of dollars for a high end
> > machine.
> >
> > Cheers
> >
> > Marcus
> >
> > ----- Original Message -----
> > From: "luisguillermo98" <luisguillermo98@y...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Tuesday, July 15, 2003 8:01 PM
> > Subject: [CAD_CAM_EDM_DRO] Re: LOOKING for homeshop EDM or its
> power supply?
> >
> >
> > > Expensice to run? could tell me more about this? is it take a lot
> > > energy to run?. what about speed?
> > >
> > > Luis ..
> > >
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Marcus and Eva"
> > > <implmex@a...> wrote:
> > > > Hi Luis:
> > > > I just went out and bought one!!!
> > > > I looked at the plans from Robert Langlois in Home Shop
> Machinist (
> > > I still
> > > > have the compiled articles) and I decided that it would be
> cheaper
> > > to buy an
> > > > E-Bay special.
> > > > I was right, I think.
> > > > They are available for less than a CNC'ed Sherline.
> > > > Everyone is dumping their manual machines and going with CNC
> > > versions (those
> > > > who are still in business, given the way our manufacturing
> economy
> > > is being
> > > > gutted) so a manual machine can be picked up for incredibly low
> > > prices.
> > > > I've seen ones go for under $1000.00.
> > > > I can't buy the materials to make one for that!!!
> > > > A good one for the HSM is the Hansvedt 150 B; it's a nice little
> > > benchtop
> > > > machine with a very nice control for its time.
> > > > It is capable of good fine burns with copper electrodes (Trust
> > > me....you
> > > > don't want to get into machining graphite electrodes in an HSM
> > > environment).
> > > > Just be aware that EDM is expensive to run, and stinky.
> > > > Hydraulic machines are also quite noisy.
> > > > Cheers
> > > >
> > > > Marcus
> > > >
> > > > ----- Original Message -----
> > > > From: "luisguillermo98" <luisguillermo98@y...>
> > > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > > Sent: Monday, July 14, 2003 7:08 AM
> > > > Subject: [CAD_CAM_EDM_DRO] LOOKING for homeshop EDM or its power
> > > supply?
> > > >
> > > >
> > > > > Has anyone know where to find EDM machines for the hobbist?.
> What
> > > is
> > > > > the difference between the power supply that comes with EDM
> > > machines
> > > > > and the normal power supply we know?. Is there any website in
> > > how to
> > > > > build one of this machines?
> > > > >
> > > > >
> > > > > Luis...
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > 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
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> > > > > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com,
> > > wanliker@a...,
> > > > timg@k...
> > > > > Moderator: pentam@c... indigo_red@q... [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
> > > > >
> > > > >
> > > > >
> > > > > Your use of Yahoo! Groups is subject to
> > > http://docs.yahoo.com/info/terms/
> > > > >
> > > > >
> > >
> > >
> > > 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
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> > > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com,
> wanliker@a...,
> > timg@k...
> > > Moderator: pentam@c... indigo_red@q... [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
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
> 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@...,
timg@...
> Moderator: pentam@... indigo_red@... [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
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>