Fanuc Series 15i/150i-MA (Programming) Operators Manual

14.COMPENSATION FUNCTION PROGRAMMING B-63324EN/03
- 466 -
- Scaling and coordinate system rotation
When both scaling and coordinate system rotation are specified, the
coordinate system is rotated after scaling is applied. In this case,
scaling is effective for the center of rotation.
Main program
O1
G90 G00 X20.0 Y10.0 ;
M98 P1000 ;
G51 X20.0 Y10.0 I3000 J2000 ;
M98 P1000 ;
G17 G68 X35.0 Y20.0 R30. ;
M98 P1000 ;
G69 ;
G50 ;
M30 ;
Sub program
O1000 ;
G01 X20.0 Y10.0 F500 ;
G01 X50.0 ;
G01 Y30.0 ;
G01 X20.0 ;
G01 Y10.0 ;
M99 ;
Y
X
Center of scaling
Original figure
specified in the program
Figure after the coordinate system is rotated
Scaled figure
Center of rotation
after scaling
Center of rotation
before scaling
(three times along the X-axis and
twice along the Y-axis)
Fig.14.9 (d) Scaling and coordinate system rotation

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