XYYZ Kinematics: G2/G3 Arc Direction Inverted in LinuxCNC

  • Estley
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4 months 5 days ago - 4 months 5 days ago #347371 by Estley
I had to use Claude to help me write the post since i'm new at this so please excuse me, I'm attaching my .ini and .hal files, thanks in advance!!: 

File Attachment:

File Name: LinuxCNC_m...ne_2.ini
File Size:4.66 KB
 

File Attachment:

File Name: LinuxCNC_m...ne_2.hal
File Size:18.57 KB
Diagnosis: With corrected Fusion360 machine definition (Z up, X right, Y forward), linear motion executes correctly. However, G2 (clockwise) and G3 (counter-clockwise) commands execute in opposite directions.Tested: Triangle draws correctly. Circle with G3 (counter-clockwise) draws clockwise.Question: Is there a XYYZ kinematics setting or HAL configuration that controls arc direction in LinuxCNC?I'm also atteching a picture of my machine:

 
Last edit: 4 months 5 days ago by Estley.

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4 months 5 days ago #347372 by Estley
Actually, i can't get fusions axis to match my machine, if i change the direction of Y (which is the issue right now, either x or Z will also flip)

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4 months 5 days ago #347373 by Aciera
You have setup your machine as a left handed coordinate system instead of the standard right handed system:
 


Some people get confused by the machine Y only moving in the negative direction from home but that is irrelevant since the actual work is going to be referenced to a work coordinate system (ie G54 ... G59) which can be setup anywhere.
 
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4 months 5 days ago #347377 by Estley
Thanks! I knew it was some dumb mistake on my part

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