G96 and G97 on Fanuc: differences and examples

When to use constant surface speed or fixed RPM on a Fanuc lathe.

What to check

Identify the active units, control mode, tooling and datum before changing any parameter.

Change one factor at a time and record the result. Use the machine and tool manuals as the final reference.

G50 S2500
G96 S180 M03
G00 X102.0 Z2.0
G01 Z0.0 F0.20
G01 X-1.0
G00 X105.0 Z5.0
G97 S800

Simulate the path, check clearances and limits, then prove the operation with the workshop's approved procedure.