Hi Nicklas:
Before it became clear that modern EDM technology is pretty darn complex,
was your intention more along the lines of motion control software for EDM or
are you in for the whole adventure? This seems like a much bigger project than
I was expecting. I'd accept some kind of approximate solution in favor of
getting something running. That's why my first NC EDM was an RC type and I
used a Bridgeport milling machine as the motion platform. Don't laugh. I can
post pix of work completed on it.
I work in research and we always have to concede perfection for "done" as
"done" at least presents a path forward, sometimes including a revenue stream.
The search for perfection sometimes results in a lot of knowledge but nothing
to present to the world. Just my 2 cents.
What are Your goals for this project?
Pete Gruendeman
--------------------------------------------
On Wed, 3/9/16, Nicklas Karlsson <[email protected]> wrote:
Subject: Re: [Emc-developers] EDM gap control (Control parameters)
To: "EMC developers" <[email protected]>
Date: Wednesday, March 9, 2016, 3:08 AM
Timer could be configured
for: one shot, re-trigger, continuous.
Micro controller have built in comparators and
I should use one for sparc detection and the other for start
of ionization. Comparator outputs may be connected
internally to high resolution timer and there quite many
different triggering options. One of the comparator inputs
are connected via a resistor divider network to detect gap
voltage and the other to DAC inside micro controller.
I guess this very high
resolution timer is not needed and ordinary timer would do
but if micro controller suitable for power conversion is
chosen this is what you get from around a few dollars. Micro
controller also have several communication peripherals and I
guess UART is the most suitable, I intend to use over an
isolation barrier.
Regards
Nicklas Karlsson
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