Fanuc G73 Pattern Repeating Cycle

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Fanuc G71 Turning Cycle

Fanuc G72 Facing Cycle

Fanuc G73 Pattern Repeating Cycle Format

G73 U W R
G73 P Q U W F

G73 First CNC Program Block
U – Escape distance and direction in X axis (radius value).This is the amount of material which will be cut in x-axis.
W – Escape distance and direction in Z axis.This is the amount of material which will be cut in z-axis.
R – Number of divisions. The number the contour will be repeated.
G73 Second CNC Program Block.
P – Start sequence No.
Q – End sequence No.
U – Finishing allowance in x-axis.
W – Finishing allowance in z-axis.
F – Cutting Feedrate (during G73 canned cycle).

Fanuc G73 Pattern Repeating Cycle Program Example

N10 G50 S2000 T0300
G96 S200 M03
G00 X35.0 Z5.0 T0303
Z0
G01 X-1.6 F0.2
G00 X70.0 Z10.0
G73 U3.0 W2.0 R2
G73 P12 Q16 U0.5 W0.1 F0.25
N12 G00 G42 X20.0 Z2.0
G01 Z-10.0 F0.15
G02 X40.0 Z-20.0 R10.0
G01 Z-30.0
X60.0 Z-50.0
N16 G40 U1.0
G70 P12 Q16
G00 X200.0 Z200.0 T0300
M30