Fanuc G75 grooving cycle is used for external grooving or internal grooving. Fanuc G75 grooving canned cycle is for grooving in x-axis.
Fanuc G75 cycle makes interrupted cuts, the extra benefit of interrupted cuts is that it breaks the chips regularly, So Fanuc G75 is the best choice for deep grooving.
For two-line format (two-block format) of Fanuc G75 read CNC Fanuc G75 Grooving Cycle.
For fanuc G75 grooving canned cycle cnc programming examples see,
Fanuc G75 examples
The below is the full description of Fanuc G75 grooving canned cycle one-line format.
Fanuc G75 Grooving Cycle One-Line Format
G75 X... Z... I... K... D...
X - Groove Depth or Groove end position in x-axis or Final groove diameter.
Z - Last groove position in z-axis or End Position in z-axis.
I – Depth of each cut.
K - Stepping in z-axis.
D – Relief amount at the end of cut.