Hi Nicklas:
I am writing with a request for what might be speculation on your part.
Given what others have said about pulse frequency, and what is written in the
Poco tech manuals (frequencies of approximately 8.33- 50kHz, derived from
varying on and off times), would it be reasonable to produce the pulse timing
from and at the same time that the PC is directing motion control? Erosion
pulse generation could be treated as another axis-- maybe? I am concerned that
the standard parport provides rather coarse granularity (increments) between
one size and another size of pulse, especially as the pulse durations get down
to 10 micro seconds on a finishing burn. The Mesa 5i20 will create about
200kHz pulses with L-cnc input and maybe one of the two parports on it could be
repurposed as a pulse generator? Maybe it's unrealistic to generate pulses
from the motion control PC because computing power isn't sufficient? Your
thoughts?
Pete Gruendeman
--------------------------------------------
On Sun, 3/6/16, Nicklas Karlsson <[email protected]> wrote:
Subject: Re: [Emc-developers] EDM gap control (Control parameters)
To: "EMC developers" <[email protected]>
Date: Sunday, March 6, 2016, 10:22 PM
On Mon, 7 Mar 2016
10:23:31 +0800
TJoseph Powderly <[email protected]>
wrote:
> off time is
really dpendant on flushing conditions
>
on time causes rougher finer surface finish
I guess this explain it all
and it also make perfect sense. More powder behind remove
more material and longer time in between leave more time for
debri to remove debri.
Regards Nicklas Karlsson
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