Re: [CAD_CAM_EDM_DRO] EDM spark control system

----- Original Message -----
From: "Marcus & Eva" <implmex@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: 27 July 2001 15:58
Subject: Re: [CAD_CAM_EDM_DRO] EDM spark control system


> Hi all:
>
> Me too, me too!!!
>
> I just bought a little Hansvedt sinker and I want to convert it to CNC
> (or maybe build an orbiter for it)
>
> I am more than willing to look inside the guts of my power supply for
> reverse engineering tips if that is useful to anyone.
>
> Cheers
>
> Marcus
> -----Original Message-----
> From: Carlos Guillermo <carlos@...>
> To: CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO@yahoogroups.com>
> Date: Friday, July 27, 2001 6:22 AM
> Subject: [CAD_CAM_EDM_DRO] EDM spark control system
>
>
> >Jon and others -
> >
> >Is a "high-performance" EDM spark control system something that
> >could be developed easily with the talent we have on this list?
> >We have a lot of people developing CNC black boxes and stepper and
> >servo drivers, would this be much more complex?
> >
> >Questions that would need answers:
> >
> >1. What are the characteristics of a commercial hi-performance
> >spark system?
> >2. What types of parameters are there typically to control?
> >3. What parameters would need to be set and controlled by the CNC
> >control?
> >4. What parameters would need to be controlled by an auxiliary
> >controller, if needed?
> >5. What kinds of interactions are needed by between PC, spark, and
> >machine movements? (sim. to #3&4)
> >6. What kind of power requirements would there be?
> >7. What electrical/control system modifications would be necessary
> >to convert between sinker-EDM and wire-EDM use?
> >
> >It sure would be neat to have someone on the list offer a
> >commercial-grade EDM spark system for the hobbyist. Does this
> >already exist?
> >
> >Carlos Guillermo
> >VERVE Engineering & Design
> >
> >-----Original Message-----
> >From: elson [mailto:elson]On Behalf Of Jon Elson
> >Sent: Thursday, July 26, 2001 11:30 PM
> >To: CAD_CAM_EDM_DRO@yahoogroups.com
> >Subject: Re: [CAD_CAM_EDM_DRO] Re: Question fro Jon Elson
> >
> >Jon Elson wrote:
> >
> >
> ><snip>
> >Anyway, my (and many others') RC EDM circuits are slow and a bit
> >temperamental.
> >For the best results, an electronic switch that cuts off current
> >some time
> >interval after the discharge starts, and then restores the power
> >after a
> >set 'deionizing' time will give much faster cutting. You can
> >probably get
> >10,000 discharges a second with a pulser, and rarely more than 100
> >with
> >the RC. But, it is simple, and it does work.
> >
> >
> >
> >
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> >
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> >bill,
> >List Manager
> >
> >
> >
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>
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>
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