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G12/G13: Circular pocket

Circular interpolation cycle to machine pockets or circular patterns according to control.

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
Milling cycles
Machine
Milling, Mill-turn
Risk
Medium
Example
G12 I10 F200
E.g.:
G12 I10 F200

Parameters

I
Radio del primer círculo (o radio final si no hay K). · mm
K
Radio final de la cajera circular (Haas). · mm
Q
Incremento de radio entre pasadas. · mm
Z
Profundidad de la pasada (con L, incremento por repetición). · mm
D
Corrector de radio de la fresa.
L
Número de repeticiones en Z.
F
Avance de corte. · mm/min con G94, mm/vuelta con G95 (en torno suele ser el modo por defecto)

Machine: Milling, Mill-turnRisk: Medium

Haas

G12/G13 I... K... Q... F...
  • Widely used in Haas for circular pockets; review meaning and parameters.

Fanuc

  • Available only on some controls/options; do not assume universal support.

Frequently Asked Questions (FAQ)

What does G12/G13 mean in a CNC program?

Circular interpolation cycle to machine pockets or circular patterns according to control. In the catalogue it appears as "Circular pocket", within the Milling cycles family.

How is G12/G13 written on each control?

Haas: G12/G13 I... K... Q... F.... 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 G12/G13?

G12 I10 F200 — Circular interpolation cycle to machine pockets or circular patterns according to control.

Which machines use G12/G13?

G12/G13 is used in: Milling, Mill-turn.

What should you watch out for with G12/G13?

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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