[glenenglish]

HI
G42 and G02 cutter compensation
using 2024.01.02
I've used tool compensation on other machines, but this planet cnc controller does not seem to work the way I expect.
A simple example : tools are set up under menu tools. tool size in sim is correct.

M61 Q1 (select tool 1 with 1.5mm diameter))
G01 X0 Y2.5 (move to arc edge start )
G01 Z-1 F100 (tool down to material)
G42 (activate compensation for the selected tool, a 1.5mm cutter)
G02 X0 Y2.5 I0 J-2.5 F250 (execute arc 360 degrees a hole 5mm in diameter)


The tool goes to the arc edge (arc start) , and doesnt move in XY until it goes to the next toolpath in the program. arc gets stuck. the X and Y readouts in the sim do not change.


I tried putting the G42 ahead of the lead in move
IE:
G42 (activate compensation for the selected tool, a 1.5mm cutter)
G01 X0 Y2.5 (move to arc edge start )
G01 Z-1 F100 (tool down to material)
G02 X0 Y2.5 I0 J-2.5 F250 (execute arc 360 degrees a hole 5mm in diameter)

no difference

if I change G02 to G03 and try G41 (so going the other direction, same problem.
if I use G42 P1.0 etc (direct diameter assignment) - no difference.

If I try a left side compensation G41 P0.5 that does work- but the compensation is on the wrong side of the line.
I tried using negative values with G41, that doesnt work....

any help would be appreciated.

[glenenglish]

additional information :
On 180deg , why does the tool not adopt the radius compensation until the end of the move?
Once the G42 is issued, it should compensate tengential to the motion, which is toward the centre

G01 X0 Y5 (move to arc edge)
G01 Z-1 F100
G42 P1.5
G02 X0 Y-5 I0 J-5 F250
M02

See attachment graphic
A little more info - the lead in move and G42 location appear to be critical to the result.

[glenenglish]

and, this doesnt quite work either- I would have expected the lead in move would have been compensated,
although the arc IS compensated

G01 X-5 Y5 (move to left of the hole )
G42 P1.5
G01 X0 Y5 (move to arc start LEAN IN MOVE)
G01 Z-1 F100
G02 X0 Y-5 I0 J-5 F250
M02