
12. Tool Compensation Functions
12.4 Tool Radius Compensation
196
(4) When I, J has been commanded in a block without movement
N1 G41 D1 G01 F1000 ;
N2 G91 X100. Y100. ;
N3 G41 I50. ;
N4 X150. ;
N5 G40 ;
N3
N2
D1
N1
N4
(I,J)
N5
Direction of compensation vectors
(1) In G41 mode
Direction produced by rotating the direction commanded by I, J through 90° to the left from the
forward direction of the Z axis (axis 3) as seen from the zero point
(Example 1)
With I100.
(Example 2)
With I-100.
Compensation
vector direction
(100, 0) IJ direction
Compensation vector direction
(-100, 0 IJ direction)
(2) In G42 mode
Direction produced by rotating the direction commanded by I, J through 90° to the right from
the forward direction of the Z axis (axis 3) as seen from the zero point
(Example 1)
With I100.
(Example 2)
With I-100.
Compensation vector direction
(0, 100 IJ direction)
Compensation vector direction
(-100, 0) IJ direction