Siemens SINUMERIK 840D sl Programming Manual page 319

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Example: two geometry axes changing over alternately

A tool carriage can be traversed over channel axes X1, Y1, Z1, Z2. In the parts program,

axes Z1 and Z2 should be used alternately as geometry axis Z. GEOAX is used in the parts

program to switch between the axes.

After activation, the connection X1, Y1, Z1 is effective (adjustable via MD).

N100 GEOAX (3,Z2)

N110 G1 .....

N120 GEOAX (3,Z1)

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Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

7.13 Replaceable geometry axes (GEOAX)

;Channel axis Z2 functions as the Z axis

;Channel axis Z1 functions as the Z axis

Transformations