Originally Posted by
neilw20
I only miss steps on rapid feed (G0), so until I upgrade my 600mHz HP with the Mach3 driving an X3 sieg, I will use F800 or F1000 with G1.
Don't select a value higher than 50% of what works, because if you over-ride the feed at 200% you will still break the bank.
More haste, less speed.
:devious:
I have discovered that I am not getting missed steps. I am producing them!
This is what happens:
I discovered while do slow feed cutting the machine would pause occasionally for a few moments, sometimes almost imperceptable.
XP steals the CPU for too long, and Mach 3 empties its queue, which is why everything stops. Normally only 10% CPU time used, so should be plenty of margin. The low level bit did its job correctly, but the high level program feeding the queue had the CPU stolen from it (BY XP I assume).
When you feed the machine at rapid feed rate, you sometimes hear what appears to be a missed step. It is not missed always, but comes out late, and as the axis is moving fast, it can't decelerate quickly enough, so it may lose a step.
I am disabling tasks one by one unitl I find the culprit.
No. Not the network. Is it the hard-drive? Is it the USB. Is it the mouse?
Is it the keyboard. Is it interference into the parallel port? or the serial?
Nothing in the scheduler. More looking at the systeminfo taks list.
I will just keep killing tasks out of task list, while running rapid moves.
When the tasks are all gone I need a faster CPU to keep up with the XP rubbish.
Super X3. 3600rpm. Sheridan 6"x24" Lathe + more. Three ways to fix things: The right way, the other way, and maybe your way, which is possibly a faster wrong way.