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

B-63324EN/03 PROGRAMMING 19.AXIS CONTROL FUNCTIONS
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E - When two groups of axes are synchronized simultaneously
Based on the controlled axis configuration described in II-1.1.3, the
sample program below synchronizes the spindle with the V-axis while
the spindle is synchronized with the C-axis.
O0100 ;
...............
N01 Mxx ; Performs spindle orientation.
N02 G00 G90 C... ; Positions the C-axis.
N03 G81.5 T10 C0 L1 ; Starts synchronization at the ratio of one rotation about the
C- axis to ten spindle rotations.
N04 Myy S300 ; Rotates the spindle.
N05 G01 G91 X... Y... F... ; Makes movements for grinding.
.......
N06 Mzz ; Stops the spindle.
.......
N10 G00 G90 V... ; Positions the dressing axis.
N11 G81.5 P12000 V0.5 ; Starts synchronization at the ratio of a 0.5 mm
movement along the V-axis every 12,000
pulses on the spindle.
N20 M98 P9500 ; A subprogram for dressing is called.(*)
N30 G80.5 V0 ; Cancels V-axis synchronization.
.......
N31 Myy S300 ; Rotates the spindle
N32 G01 G91 X... Y... F... ; Makes movements for grinding
.......
.......
N40 Mzz ; Stops the spindle.
N41 G80.5 C0 ; Cancels C-axis synchronization.
V-axis synchronization mode
C-axis synchronization mode
Thus, the synchronizations of two groups can be started and canceled
independently of each other.

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