Fanuc G68 Coordinate Rotation Program Example

In this article, we write CNC program example for coordinate rotation (G68 CNC Code) in CNC Milling machines.

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Introduction

  • Fanuc G68 Coordinate Rotation G-Code makes it easy for cnc machinist to run a pattern of operations in a rotated angle.
  • Here is a basic cnc programming Example which helps to understand the actual working of G68 coordinate rotation.

Technical Drawing

Fanuc G68 Coordinate Rotation Example

CNC Program

T1 M6
G0 G90 G40 G21 G17 G94 G80
G54 X20 Y0 S1500 M3
G43 Z100 H1
Z5
G81 R3 Z-20 F? M8
X30
X45
G68 X0 Y0 R120
X20 Y0
X30
X45
G68 X0 Y0 R240
X20 Y0
X30
X45
G69 G80
G0 G90 Z100 M30

G Codes Explanation

G00 Rapid traverse
G01 Linear interpolation
G17 Plane Selection
G43 Tool Length Offset
G68 and G69 Coordinate Rotation
G80 Cancel Canned Cycle
G81 Drilling
G90 Absolute command
G91 Increment command

 


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