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G44: Positive length compensation

Applies tool length compensation in the positive direction 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
Compensation
Machine
Milling, Mill-turn
Risk
High
Example
G44 H01 Z50
E.g.:
G44 H01 Z50

Machine: Milling, Mill-turnRisk: High

Fanuc

G44 H...
  • Less common than G43; Incorrect use may reverse compensation.

ISO común

  • Check the sign and the offset table before running.

Other codes in Compensation

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does G44 mean in a CNC program?

Applies tool length compensation in the positive direction depending on the control. In the catalogue it appears as "Positive length compensation", within the Compensation family.

How is G44 written on each control?

Fanuc: G44 H.... 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 G44?

G44 H01 Z50 — Applies tool length compensation in the positive direction depending on the control.

Which machines use G44?

G44 is used in: Milling, Mill-turn.

What should you watch out for with G44?

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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