Overview of commands

The list below contains the G commands that affect tool radius compensation in the NC program divided into permitted and impermissible commands:

Permitted commands

NC command

Meaning

G26

Circular transitions with TRC

G40

Deselect tool radius compensation

G41

Activate TRC/CRC on left of contour

G42

Activate TRC/CRC on right of contour

G138

Mode: Direct TRC selection

G139

Mode: Indirect TRC selection

G140

Deselecting contour masking

G141

Selecting contour masking

G236

Mode: Direct TRC selection/deselection on the path

G237

Mode: Direct TRC selection/deselection on the path

G239

Mode: Selecting/deselecting TRC directly without block

Impermissible commands

NC command

Meaning

G05

Tangential TRC selection/deselection

G25

Linear transitions with TRC

G238

Mode: Selecting inside corner of TRC

#TRC [REMOVE_MASKED_BLOCKS]

Remove contour loops

If an impermissible command is used, error ID 90166 is output.