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Re: What is your favorite free PCB-CAD Designer

2006-09-09 by Andrew

> Thought you had some means that didn't
> utilize backlash compensation. You can
> get zero backlash on only one axis without
> compensation during CNC drilling by
> optimizing the Excellon output for that
> axis. The other has to be compensated.

Parse the g-code so that before every drill
it retreats a little bit in both X and Y.

Then it is approaching every hole from the
same direction.

It's kind of an un-optimisation. There
would be better strategies no doubt. It
is a dead cert to work though.

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