Fanuc G68.3/G68.4: Advanced inclined plane

Fanuc variants of inclined plane by tool direction or incremental commands.

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: 5 axes
Machine: Milling, Mill-turn
Risk: High
Example: G68.3 / G68.4

Fanuc G68.3/G68.4

5 axes

Advanced inclined plane

E.g.:

G68.3 / G68.4

Machine: Milling, Mill-turnRisk: High

Fanuc · Siemens · Heidenhain

Fanuc: Requires correct kinematics; conceptual equivalent to CYCLE800/PLANE.
Siemens: Siemens equivalence: CYCLE800.
Heidenhain: Heidenhain equivalence: PLANE SPATIAL.

Other codes in 5 axes

G43.4/G43.5 TCP/5-axis compensation Heidenhain PLANE SPATIAL Inclined plane / 5 axes Heidenhain Siemens CYCLE800 Siemens inclined plane Siemens TRAFOOF Cancel transformation G54.4 WSEC part position error compensation G41.2/G42.2 3D tool radius compensation (5 axes)

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does Fanuc G68.3/G68.4 mean in a CNC program?

Fanuc variants of inclined plane by tool direction or incremental commands. In the catalogue it appears as "Advanced inclined plane", within the 5 axes family.

Can you give me an example of Fanuc G68.3/G68.4?

G68.3 / G68.4 — Fanuc variants of inclined plane by tool direction or incremental commands.

Which machines use Fanuc G68.3/G68.4?

Fanuc G68.3/G68.4 is used in: Milling, Mill-turn.

What should you watch out for with Fanuc G68.3/G68.4?

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.

Related tools

CNC G-code Simulator

CNC IDE: editing with G/M tooltips, line inspector, conversion between controls and 2D/3D toolpath.

CNC Alarms Guide

CNC Alarms and Solutions Guide. Enter the error code or symptom to find the cause and how to repair it at the machine.

Calculate cycle time

Estimate CNC turning and milling cycle time from G-code. Calculate parts per hour with a breakdown of cutting, rapids, canned cycles and tool changes.