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G54.1: Extended offsets

Select additional coordinate systems beyond G54-G59.

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
Datums
Machine
Milling, Turning, Mill-turn
Risk
High
Example
G54.1 P12
E.g.:
G54.1 P12

Parameters

P
Número del origen extendido (P1-P48, hasta P300 según opción).Haas usa G154 P… para lo mismo.

Machine: Milling, Turning, Mill-turnRisk: High

Fanuc

G54.1 P...
  • Very useful on multi-part fixtures; high risk if P doesn't point to the correct datum.

Haas

G154 P... / G54.1 P...
  • Haas can use G154 Pn for extended offsets.

Other codes in Datums

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does G54.1 mean in a CNC program?

Select additional coordinate systems beyond G54-G59. In the catalogue it appears as "Extended offsets", within the Datums family.

How is G54.1 written on each control?

Fanuc: G54.1 P... · Haas: G154 P... / G54.1 P.... The exact syntax depends on the control version and the machine parameters: always confirm with the manufacturer's manual.

Can you give me an example of G54.1?

G54.1 P12 — Select additional coordinate systems beyond G54-G59.

Which machines use G54.1?

G54.1 is used in: Milling, Turning, Mill-turn.

What should you watch out for with G54.1?

High risk: a mistake here can cause a crash, a broken tool or an out-of-tolerance part. Simulate the program and dry-run it before cutting.

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