Hi, Curt.
I could not find in the archives the schematics of the power supply
you used for the EDM process.. Could you post it ? Could more "cutting"
heads be used in paralell to speed up the process ? It seems to be a very
"clean" way to make the pcbs. I would be interested in continue
experimenting with EDM for pcb making !
Best regards,
Alexandre Guimaraes
-----Mensagem original-----
De:
Homebrew_PCBs@yahoogroups.com [mailto:
Homebrew_PCBs@yahoogroups.com] Em
nome de curt_rxr
Enviada em: sábado, 26 de abril de 2008 13:14
Para:
Homebrew_PCBs@yahoogroups.comAssunto: [Homebrew_PCBs] PCB EDM (again!)
Hi all,
When this list first started, I posted about my attempts to turn an HP
Deskjet into an EDM machine for PCBs, but I abandoned the project after
Stefan and others developed toner transfer into a reliable system. The EDM
was just too slow compared to TT. I've moved on to a modified Xerox Phaser
printer that puts wax directly on a thin sheets of epoxy PCB and allows me
to 'print' my board and etch it rapidly.
I know that Graham and others kept up the work on EDM and I was
wondering if anyone on the list had made any breakthroughs? I still
think that there must be a way to reliably generate pulses fast enough to
create a PCB in a reasonable time, especially if a drill head was
incorporated to allow drilling and 'etching' with one setup.
Curt
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