Solved Incorrect usage of G3 G4 arc moves?
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I wanted to play around with making some demo movements scripts for the delta printer I am close to completing. As a start I wanted to do some circular moves (preferably helical, but I do not think those g-codes are implements as of yet). A quick look at the g-code documentation for arc moves leaves me to understand that if the head is currently located at X+100 Y0, the following g-code should result in a 180° arc move to X-100 Y0.
G2 X-100 Y0 I0 J0
My controller does not seems to agree with me though Anyone know what is happening here?
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you can't have both i and j 0 for an arc, maybe this helps https://www.cnccookbook.com/cnc-g-code-arc-circle-g02-g03/
i.e. try
G2 X-100 Y0 I0 J100
orG2 X-100 Y0 I0 J-100
for an upwards or downwards arc with respect to y? -
@bearer said in Incorrect usage of G3 G4 arc moves?:
you can't have both i and j 0 for an arc, maybe this helps https://www.cnccookbook.com/cnc-g-code-arc-circle-g02-g03/
I see it now, I failed to realize that the I and J parameter are not absolute values.