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

PROGRAMMING
B–62764EN/01
15. COMPENSATION FUNCTION
273
G41 offsets the tool towards the left of the workpiece as you see when you
face in the same direction as the movement of the cutting tool.
G41 X_ Y_ I_ J_ H_ ;
specifies a new vector to be created at right angles with the direction of
(I, J) on the end point, and the tool center moves toward the point of the
new vector from that of the old vector on the start point.(I, J) is expressed
in an incremental value from the end point, and is significant only as a
direction, and its amount is arbitrary.
Tool center path
Programmed path
New vector
Old vector
(X, Y) (I, J)
Start position
In case the old vector is 0, this command specifies the equipment to enter
from the cancel mode into the cutter compensation mode. At this time,
the offset number is specified by the H code.
(X, Y) (I, J)
Tool center path
Programmed path
New vector
Old vector=0
Start position
Unless otherwise specified, (I, J) are assumed to be equal to (X, Y). When
the following command is specified, a vector perpendicular to a line
connecting the start position and position (X, Y) is created.
G41 X_ Y_ ;
If, however, G00 is specified, each axis moves independently at the rapid
traverse rate.
(X, Y)
Tool center path
Programmed path
New vector
Old vector
Start position
15.4.1
Cutter Compensation
Left (G41)
Explanations
D G00 (positioning)or
G01 (linear interpolation)

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