[Stahlwurm49]

Hello
I hope somebody is able to help me out.
I wanted to mill a small L –shaped piece on a TNC 530i but I reached my limits.
I quickly tell you the program structure:

Toolcall 16 (cutter D16)
M3
L X-15 Y-15 FMax
L Z2 FMAX
LZ-4
M120 LA14
APPR X0 LEN0,1 RL M8
L Y20
CHF 1,5
L X40
CHF1,5
L X10
RND5
L Y10
RND5
L Y0
CHF 1,5
L X-10
DEP 0,1
L Z2 FMAX R0

Is seems quite easy, it should be easy but an error message is displayed: Tool radius too big.
That would be logical with the R5 but M120 should avoid that, shouldn’t it!
For greater understanding I use cutter 16 to secure the material on the outside, that way I only have to write the contour once... and then I can finish the rest with a small cutter.

Many thanks in advance
Michael

[Zerafithar]

Hello
Could it be that you have an error in you path programming or maybe I am wrong?
Because of the rounding of a line
...
L X10
RND5
L Y10
RND5
L Y0

[MiniCooperS]

Yes, you are right....2 linear lines on a line and in between a radius

[ottootto]

M120 have to stand in a NC block, which also conain the radius correction RL or RR.

[General-5Achs]

Hello
why are you working with M120? With cycle 25 I never had any concerns with a contour... That always works.. (of course if you have no programming errors)