Spindle Synchronization G720 - HEIDENHAIN CNC PILOT 640 User Manual

DIN/ISO programming | Assignment, synchronization, workpiece transfer

Spindle synchronization G720

Refer to your machine manual.
This function must be set up by your machine
manufacturer.
G720 controls the workpiece transfer from the Master spind. to
the Slave spind. and synchronizes functions such as polygonal
turning jobs. The function stays active until you deactivate G720
with the setting H0.
If you would like to synchronize more than two spindles you can
program G720 several times in succession.
Parameters:
S: Number of Master spind.
H: Number of Slave spind. – no input or H = 0: switches off the
spindle synchronization
C: Angle – offset angle
Q: Master spindle speed factor (range: –100 <= Q <= 100)
F: Slave spindle speed factor (range: –100 <= F <= 100)
Y: Type of cycle (machine-dependent)
Program the speed of the Master spind. with Gx97 S.. and define
the speed ratio between the Master spind. and Slave spind. with
Q and F. If you enter a negative value for Q or F, the direction of
rotation of the Slave spind. will be reversed.
Remember that: Q * master speed = F * slave speed
. . .
N.. G397 S1500 M3
N.. G720 C180 S0 H1 Q2 F-1
N.. G1 X.. Z..
. . .
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
Spindle speed and direction of rotation of master spindle
Synchronization of master spindle and slave spindle. The
slave spindle precedes the master spindle by 180°. Slave
spindle: Direction of rotation M4; rotational speed 750
4
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