Programmable Mirroring (Mirror, Amirror) - Siemens Sinumerik 840D sl Programming Manual

Note
However, different scale factors can be used specifically to program distorted circles.
13.7

Programmable mirroring (MIRROR, AMIRROR)

MIRROR/AMIRROR can be used to mirror workpiece shapes on coordinate axes. All traversing
movements programmed after the mirror call (e.g. in the subprogram) are executed with
mirroring.
Syntax
MIRROR X... Y... Z...
AMIRROR X... Y... Z...
Note
Each frame operation is programmed in a separate NC block.
Meaning
MIRROR:
AMIRROR:
X... Y... Z... :
Fundamentals
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
13.7 Programmable mirroring (MIRROR, AMIRROR)
Mirror absolute in relation to the currently valid coordinate system set with
G54 to G57, G505 to G599.
Additive mirror image with reference to the currently valid set or program‐
med coordinate system.
Geometry axis whose direction is to be changed. The value specified here
can be chosen freely, e.g. X0 Y0 Z0.
Coordinate transformations (frames)
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