Fusion 360 placing cuts in the wrong place.

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16 Jul 2020 02:34 - 16 Jul 2020 02:56 #174802 by Kale Dobrohoczki
My cuts are not being made in the correct place in relation to one another. The ones marked blue and red are correct in relation to one another. but green is not correct in relation to the other cuts.

the issue is consistent through 4 attempts.
You can see the graphic here:

I have attached the Gcode.

File Attachment:

File Name: hexpitrider.ngc
File Size:222 KB


I'm using Plasmac in Linuxcnc 2.8. Gmoccapy. I am using the post processor for fusion found here:
forum.linuxcnc.org/plasmac/38438-plasmac-post-processors#159042

I have checked all the pulleys and they are not slipping. I also cut a square made from plasmac's extras tab. The square was proportional in X and Y.

The path on plasmac and well as in ncviewer.com/ look fine.

Is this some sort of Gcode flavour issue?
Thanks.

This is just for a personal project so using this logo is perfectly legal. :P
Attachments:
Last edit: 16 Jul 2020 02:56 by Kale Dobrohoczki.

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16 Jul 2020 04:03 #174803 by Todd Zuercher
My guess is that you are loosing steps on the longer G0 rapid moves.
As a test try lowering the max velocities of all the axis and joints to half of their current settings and see if it behaves better.
The following user(s) said Thank You: Kale Dobrohoczki

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16 Jul 2020 04:55 #174805 by Kale Dobrohoczki
That seemed to be my exact problem. I just cut the exact file successfully. Thanks so much

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