Looks good. It would be nice if you could enable these:
reading/writing motion's digital/analog ins/outs
enabling/disabling feed/speed override
enabling/disabling adaptive feed
running user-defined m-codes
Thanks,
Les
Chris Radek wrote:
> Today I merged my cutter compensation work. The new algorithm
> handles concave corners and is not picky about entry moves. The
> old entry methods are still supported, as is any entry line longer
> than the tool radius (as is customary).
>
> I have tested many old working programs to make sure they run
> exactly the same, and also crafted suitably perverse programs to
> verify the newly-handled cases.
>
> http://timeguy.com/cradek-files/emc/t3.png
>
> This is a program that runs a subroutine three times: once without
> compensation, and then with left and right comp. You can see the
> entry and exit moves are not special (they happen to make concave
> corners in this program).
>
> I believe it should also now be possible to use most/all
> CAM-generated compensated code. EMC2 can do the full
> compensation, or the CAM can compensate for nominal tool size and
> the user can specify a small diameter in the tool table (like
> -0.010) to compensate for tool resharpening. I understand (but
> only from hearing in passing) that this is what Synergy wants and
> I hope someone can test it (Hi Dave E!) I do not have any CAM
> programs to test with so I'm relying on you folks.
>
> Also I would especially appreciate if folks that are experts at
> hand-writing code with cutter compensation would try it out and
> perhaps come up with more perverse cases. (Hi Ed N! Hi John K!)
>
> Some things that are probably currently under-tested:
>
> lathes
> inverse time mode
> switching spindle and feed modes
> helixes
> switching absolute/relative
> switching inch/mm
> switching relative/absolute arc centers
>
> A few things that I believe were previously allowed are currently
> disallowed when compensation is on:
>
> reading/writing motion's digital/analog ins/outs
> switching coordinate systems
> changing tools or tool length offset
> enabling/disabling feed/speed override
> enabling/disabling adaptive feed
> running user-defined m-codes
>
> I think some, but not all, of these could be allowed if someone
> needs them.
>
> Chris
>
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