Error Message

[tz1238]

Running latest version of SolidCam. Cutting graphite at high speeds ad feeds.

I have a part that looks like a sprocket and my Haas keeps getting an error message. It is " Error in G02, G03, invalid I, j , or k. I have tried every routine in the
3d milling package, slowing it down on my speeds and feeds and it keeps giving me this message. Same message, but in different areas of the part. Anyone have ay ideas? I'll throw this in the Haas directory also.

[lasfoc]

Hi, The error you are getting is due to the I and J values of the radial arc not matching. The solution is in the tolerance of the machine. Set the tolerance to a larger degree via the manufactures handbook or instructions. I would contact them.
Cheers

[tz1238]

Thanks for the help.

[Aussie_CNC]

An interesting point I came accross in the past was that if you're using R values instead of I,J,K, the R has to be negative for any arcs greater than 180 degrees. ...obviously doesn't apply if you're using I,J,K, .......

[Brakeman Bob]

That's been in Fanuc for years. What is sometimes overlooked is if you cut a circle with two R positive calls instead of a negative call the resulting circle will not be round. So

G1 X0 Y-100
G3 X0 Y-100 R-100 = good circle

G1 X0 Y-100
G3 X0 Y100 R100
G3 X0 Y-100 R100 = bad circle

Don't ask me how I know.......