CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] EDM Power Supply

Posted by Jon Elson
on 2003-09-23 10:04:22 UTC
James Stevens wrote:

>Dale,
>
>I'll be testing out my new EDM power supply this week or next. It is a 96
>volt 10 amp supply with control circuitry for the power Mosfets. It's not
>an RC type - this will eat through metal as compared to an RC type.
>
>
Please let us know the details of your power supply, especially how you
control
the MOSFETs.

>I'm waiting for larger electrodes as the ones I have now are too small (a
>recommendation is 65 amps max per sq in of electrode area) and they blast
>away steel about the size of a pen tip with each spark. I'll let you know
>how it goes when I'm finished.
>
>
I think commercial units have a way to switch in the paralleled current
sources
to set the current wherever you need it.

Jon

Discussion Thread

dalegash 2003-09-20 07:57:09 UTC EDM Power Supply James Stevens 2003-09-23 07:53:18 UTC Re: [CAD_CAM_EDM_DRO] EDM Power Supply Jon Elson 2003-09-23 10:04:22 UTC Re: [CAD_CAM_EDM_DRO] EDM Power Supply James Stevens 2003-09-24 15:31:01 UTC Re: [CAD_CAM_EDM_DRO] EDM Power Supply malotia01 2003-11-08 23:21:00 UTC EDM Power Supply