On Monday 06 October 2008 04:31:31 John Kasunich wrote:
> richard harris wrote:
> > By "code" I am referring to an entire g-code file some G0's some G76 etc...
> > 
> > 
> > 
> > What modal value would effect G76's ability to properly calculate the
> > feed rate?  I should mention that even when it threads at the G0 speed
> > it does sync with the encoder index pulse.
> 
> Off the top of my head I can't think of anything, but that is the first
> thing I'd try to rule out.  As a test, write down the active codes
> (displayed in a box in Axis), then run the first program, and write them
> down again - look for differences.
> 
> Actually, I did thing of one that would make a huge difference -
> G20/G21.  If the pitch is supposed to be in mm, and it gets changed to
> inches, then the axis will need to move 25x faster and will probably be
> at the velocity limit.
> 
> That's probably not it, but check for any other possibilities.  If you
> can't find anything, you are going to have to make it possible for one
> or more EMC developers to reproduce the problem.  That means we need to
> be able to run your exact configuration and the exact g-code programs
> that make the problem happen.

What about G94 vs. G95?
10 units/min is very slow, but 10 units/rev is very fast.

-- 
Greetings Michael.

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