Override set_default_blending

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09 Jul 2024 04:37 #304723 by rodw
Replied by rodw on topic Override set_default_blending
I don't think that works. the G53 command requires G90 to be active and the G53 is issued before the cut starts with an M3
G91 needs to be active before any cutting motion starts.
So the sequence needs to be:
G90
G53
G91
M3
(cut)
M5
M30
Setting something at the end of the file won't achieve what we want as the G91 is not active when the next M3 is encountered.
Maybe I am not understanding something.

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09 Jul 2024 04:46 #304724 by phillc54
You are correct but the code does do that, here is the loaded file from 10mmcleats.ngc in your first post.
Warning: Spoiler!
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09 Jul 2024 05:08 #304725 by rodw
Replied by rodw on topic Override set_default_blending
Thanks for clarifying. I'lll check it out when I get home tonight.
If a cut is terminated early (eg estop) won't it be left in G91 so the next run will fail?

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09 Jul 2024 05:09 #304726 by phillc54

If a cut is terminated early (eg estop) won't it be left in G91 so the next run will fail?

True that. Probably should force a G90 early on...
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09 Jul 2024 05:20 - 09 Jul 2024 05:21 #304727 by phillc54
This should be all you need:
Warning: Spoiler!
Last edit: 09 Jul 2024 05:21 by phillc54.
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09 Jul 2024 05:32 #304728 by rodw
Replied by rodw on topic Override set_default_blending
Perfect, that would be an excellent example for the plasmac docs now you've written it!
It shows how to support a third party CAM without any changes to the post processor and it includes a few enhancements to the existing examples.
Plus its a real life example (for Hypertherm Nestmaster)

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