FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
B–62764EN/01
15. COMPENSATION FUNCTION
369
(Example 1) When the compensation axes are the Y– and Z–axes and
linear interpolation is performed for the X– and Y–axes
Programmed path: a b, compensated path: a’ b’
+
Y
a
a’
V
ay
V
by
b’
b
X+
Paths on the XY plane
+
Y
V
ay
a’
a
V
by
b’
b
V
bz
V
b
V
az
V
a
Compensation
center
Paths on the YZ plane
Z+
(Example 2) When the compensation axes are the Y– and Z–axes and
circular interpolation is performed for the X– and Y–axes
Programmed path: a b, compensated path: a’ b’
+
Y
a
a’
b’
b
X+
Paths on the XY plane
+
Y
Paths on the YZ plane
Z+
Arc center
V
ay
a’
a
V
by
b’
b
V
bz
V
b
V
az
V
a
Compensation
center
Compensation cancel mode is selected immediately after power–on or
reset.
Before attempting to change the coordinate system, cancel compensation
mode.
Before attempting to return to the reference point (G28 or G30), cancel
compensation mode.
The compensation axes can be changed only in compensation cancel
mode.
Cutter compensation and three–dimensional tool compensation cannot be
used when grinding wheel wear compensation is enabled on the system.
The tool length offset and tool position offset functions can be used with
grinding wheel wear compensation.
The coordinates of the compensation center are not subject to
programmable mirror image, scaling, or coordinate rotation.
D Compensation cancel
mode
D Changing the coordinate
system
D Reference position
return (G28, G30)
Limitations
D Changing the
compensation axes
D Relationship with other
offset functions
D Relationship with the
coordinate change
function

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