Fanuc G70 & G71 Roughing & Finishing Turning Cycle CNC Program Example

Here is another cnc lathe program example. This cnc programming example shows the use of Fanuc cnc control G-code for turning canned cycle Fanuc G71 Roughing Cycle. This cnc program also shows the use of Fanuc G70 finishing cycle.

G71 Turning Cycle

Although I have already posted CNC Programming Example with Fanuc G71 Rough Turning Cycle and G70.

And another article CNC Fanuc G71 Turning Cycle or Stock Removal Canned Cycle briefly describes the G71 canned cycle parameters.

CNC Programming Example

Fanuc G70 & G71 Roughing & Finishing Turning Cycle CNC Program Example

Fanuc G70 G71 Rough and Finish Turning Cycle Program Example

N10 T1 G97 S800 M03
N20 G00 X45 Z2 G42
N30 G71 U2 R1
N40 G71 P50 Q120 U0.25 W0.1 F0.25
N50 G00 X19.8
N60 G01 X23.8 Z-2 F0.2
N70 G01 Z-25
N80 G01 X28.07
N90 G01 X34 Z-33
N100 G01 Z-48
N110 G01 X42
N120 G01 Z-58
N130 G00 X100 Z100
N140 G92 S1200
N150 T3 G96 S150 M03
N160 G00 X45 Z3
N170 G70 P50 Q120
N180 G00 X100 Z100
N190 M30

Master Fanuc G76 Threading Cycle: A Complete Guide for CNC Machinists Preventing CNC Insert Wear: Essential Tips for Operators

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