Fanuc G29/G30.1/G30.2: Advanced reference returns

Return from reference, floating reference or special reference checks according to Fanuc.

For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.

Family: References
Machine: Milling, Turning, Mill-turn
Risk: Medium
Example: G29 X... / G30.1 / G30.2

Fanuc G29/G30.1/G30.2

References

Advanced reference returns

E.g.:

G29 X... / G30.1 / G30.2

Machine: Milling, Turning, Mill-turnRisk: Medium

Fanuc · Haas

Fanuc: Not to be confused with G28/G30 basic; may depend on parameters and axes.
Haas: Confirm which variants are supported by model.

Other codes in References

G27 Reference return check

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does Fanuc G29/G30.1/G30.2 mean in a CNC program?

Return from reference, floating reference or special reference checks according to Fanuc. In the catalogue it appears as "Advanced reference returns", within the References family.

Can you give me an example of Fanuc G29/G30.1/G30.2?

G29 X... / G30.1 / G30.2 — Return from reference, floating reference or special reference checks according to Fanuc.

Which machines use Fanuc G29/G30.1/G30.2?

Fanuc G29/G30.1/G30.2 is used in: Milling, Turning, Mill-turn.

What should you watch out for with Fanuc G29/G30.1/G30.2?

Medium risk: it rarely breaks anything on its own, but a wrong value shows up on the part. Check the block before running the batch.

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