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I'm running LinuxCNC Version 2.7.0 that came installed in Debian build 3.4.55-4linuxcnc i686.
I've been able to model, toolpath and machine from Fusion 360, but the models were simple(surfacing, drilling, machining out holes and such). The next step was to try a 3d surface (model attached). It's a half-cylinder on its side.
I used the LinuxCNC post and posted it to the file test001.ngc(attached). When I sneakernet the posted g-code out to the Linux machine in the shop and load it into LinuxCNC I get this error:
Near line 2405 of /home/ken/test001.ngc: Radius to end of arc differs from radius to start: start=(X-5.1010, Y0.2006) center=(X-5.0888, Y0.2224) end=(X-0.0208, Y0.3723) r1=0.0250 r2=5.0702 abs_err=5.045 rel_err=99.5073%
The next step was to consult the silicon oracle, where the answer was that I was in radius mode and needed to be in IJK mode. The only thing that I could find in Fusion 360 remotely like that was in the post processor, where I selected "useRadius" "yes" (which would seem to indicate that I was already in IJK and was moving to radius) and posted to test002.ngc(attached).
Out to the mill and the response was:
Near line 2439 of /home/ken/test002.ngc: Arc radius too small to reach endpoint.
All the paths are just flat endmills.
.ngc files have been renamed to .txt for posting to the forum.
Any help would be greatly appreciated.
Ken
Solved! Go to Solution.