Art,
I tested at cv and full stop.
Really doesn't matter, I still loose steps.
I then ran it at 50% speed in cv mode and still lost steps. I am not missing alot, just enough to make me question my repeatability.
Thanks,
Mike Hammel
www.fancyfoam.com
1704 Bullard
Arkansas City, KS
67005
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----- Original Message -----
From: Mike Hammel
To: mach1mach2cnc@...
Sent: Sunday, February 29, 2004 8:55 AM
Subject: Re: [mach1mach2cnc] Where have all my steps gone?
I'll do some more testing regarding cv or full stop.
I have my kernal speed set at 45000, would a lower speed help, hurt or make no diff?
Mike Hammel
www.fancyfoam.com
1704 Bullard
Arkansas City, KS
67005
----- Original Message -----
From: Art
To: mach1mach2cnc@...
Sent: Sunday, February 29, 2004 7:22 AM
Subject: Re: [mach1mach2cnc] Where have all my steps gone?
Mike:
Half and full step are known to lose steps more easily when under load.
Mach2 does pretty good with them, but not as good as Dos. This is because
the pulse stream of Mach2 while very stable does have phase distortion as a
function of its algorithm. This doesn't affect microsteppers but full and
half steps can be affected unless the driver is very well matched to the
stepper motor.
Its a good thing you have a workaround as this can be very difficult
to track down and fix. Does this happen in Exact Stop or only CV modes??
Thanks,
Art
www.artofcnc.ca
----- Original Message -----
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