Programmable Mirroring (G50.1, G51.1) - Siemens Sinumerik 840D sl Programming Manual

3.2.4

Programmable mirroring (G50.1, G51.1)

G51.1 can be used to mirror workpiece shapes on coordinate axes. All programmed
traversing movements are then executed as mirrored.
Figure 3-10
Format
X, Y, Z: Positions and mirroring axis
G51.1: Command for activating the mirroring
Mirroring takes place on a mirroring axis which is parallel to X, Y or Z and whose position is
programmed with X, Y or Z. G51.1 X0 is used to mirror on the X axis, G51.1 X10 is used to
mirror on a mirroring axis that runs 10 mm parallel to the X axis.
ISO Milling
Programming Manual, 06/09, 6FC5398-7BP10-1BA0
Programmable Mirroring
3.2 Defining the input modes of the coordinate values
Motion commands
51