Approaching A Fixed Point: G75 - Siemens sinumerik 802d sl Operation And Programming Manual

Programming
8.3 Axis movements
8.3.6

Approaching a fixed point: G75

Functionality
By using G75, a fixed point on the machine, e.g. tool change point, can be approached. The
position is stored permanently in the machine data for all axes. No offset is effective. The
velocity of each axis is its rapid traverse.
G75 requires a separate block and acts non-modal. The machine axis identifier must be pro-
grammed.
In the block after G75, the previous G command of the "Interpolation type" group (G0,
G1,G2, ...) is active again.
Programming example
N10 G75 X1=0 Y1=0
Remark: The programmed position values for X1, Y1 (any value, here = 0) are ignored, but
must still be written.
8.3.7 Approaching a reference point; G74
Functionality
The reference point can be approached in the NC program with G74. The direction and the
velocity of each axis are stored in machine data.
G74 requires a separate block and acts non-modal. The machine axis identifier must be pro-
grammed!
In the block after G74, the previous G command of the "Interpolation type" group (G0,
G1,G2, ...) is active again.
Programming example
N10 G74 X1=0 Y1=0
Remark: The programmed position values for X1, Y1 (any value, here = 0) are ignored, but
must still be written.
8.3.8 Approaching coded positions: CAC, CIC, CDC, CACP, CACN
Function
Max. 60 (0 to 59) positions can be entered for 2 axes in position tables using the machine
data.
8-158
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
6FC5 398-3CP10-0BA0