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"The coordinate of I or J or K of arc near 16519 is conflict with end point coordinate!"

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New Member
Joined: 4 years ago
Posts: 0
Topic starter  

I'm NX CAM programmer for most of the CNC milling centers. One of my program that generate for fanuc controller CNC, giving the following error massage during the cutting operation.

"The coordinate of I or J or K of arc near 16519 is conflict with end point coordinate!"

I use my custom build post processor , that developed with post builder. And I had run program few othe CNC machine/shop without this error massage
what is this problem ?


   
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Great Ruler Moderator
Joined: 3 years ago
Posts: 0
 

I guess it would be a rounding error, that not enough decimal points define in travels. Which mean tool end point isn't on the circle. If you plot the start point, end point and center of the offending move, you should be able to see it. I suggest you to simply increase the digits to 4 - 5 after the decimal point.


   
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New Member
Joined: 4 years ago
Posts: 0
Topic starter  

@thelonious

Thank you,

Ok, how do I or where do I change those digit setting. There are lot of option to change in "Post Builder" I'm not sure and afraid to change the post processor without knowing exactly what I'm changing.


   
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Great Ruler Moderator
Joined: 3 years ago
Posts: 0
 

Try changing the following decimal places,

# Linear Motion Resolution to 0.0001 or 0.00001

# And change the coordinate digit to 4 / or 5

then test with your CNC machine/controller.

NX Post Processor Decimal Setting 01

NX Post Processor Decimal Setting 02

 


   
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