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G33/G33.1: Synchronized tapping

Spindle-synchronized threading, used on the lathe or for special functions depending on the 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
Threading
Machine
Turning, Mill-turn
Risk
High
Example
G33 Z-25 F1.5
E.g.:
G33 Z-25 F1.5

Parameters

Z
Fondo de la rosca (G33.1: roscado rígido con retorno sincronizado). · mm
F
Paso de la rosca. · mm/rev
Q
Ángulo de desfase para varias entradas.

Machine: Turning, Mill-turnRisk: High

Fanuc

G33 ... F...
  • Conceptually similar to G32 in some controls; confirm support.

ISO común

  • Requires actual spindle and axis synchronization.

Other codes in Threading

M29 Rigid thread preparation
See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does G33/G33.1 mean in a CNC program?

Spindle-synchronized threading, used on the lathe or for special functions depending on the control. In the catalogue it appears as "Synchronized tapping", within the Threading family.

How is G33/G33.1 written on each control?

Fanuc: G33 ... 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 G33/G33.1?

G33 Z-25 F1.5 — Spindle-synchronized threading, used on the lathe or for special functions depending on the control.

Which machines use G33/G33.1?

G33/G33.1 is used in: Turning, Mill-turn.

What should you watch out for with G33/G33.1?

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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