Ian,
Well, I have an admission to make - I'm re-writing (Maintaining) Stepster!
The thing is, so many things could be wrong, and I'm ONLY working with
code (I don't have a CNC Mill - YET - anyone have some cheap ideas for my
Sherline)
There IS a Stepster E-Group at
or to subscribe
e-mail
stepstercnc-subscribe@...
My GUESS is one of 2 things - The most likely is that the 486-66 can't RUN
faster than that, OR you're using steppers that are a bit weak for your
mill, and you loose steps
Charlie
At 06:16 PM 5/25/99 +0100, you wrote:
From: "Ian W. Wright" <Ian@...>
Hi,
I've actually made some progress on my CNC mill project. After a lot of
fruitless experiment I've finally got a usable driver circuit working
and I now have motors rotating in response to the PC.
However, they only seem to do so at quite a pedestrian pace and I
wondered if anyone can give me any advice on 'fine tuning'. I am using
Stepster on a 486/66Mhz PC and I have currently set the 'PC speed
factor' to 2500 - everything else is as the default set-up. However, I
can't get the motors to step reliably with a 'F Rapid' factor greater
than '%30'.
Is this normal or should I adjust something to speed things up? I have
read the description of how Stepster works and find it almost
unintelligible and unhelpful in that it doesn't give any indication as
to which way the factors should be adjusted and by how much.
I am very much an amateur at this and hope that you will treat me gently
for which I thank you.
Best wishes
Ian
--
Ian W. Wright LBHI
Sheffield Branch Chairman of the British Horological Institute.
Bandmaster and Euphonium player of the Hathersage Brass Band. UK.
See our homepage at:- or
'Music is the filling of regular time intervals with harmonious
oscillations.'
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