Inch Or Metric Dimensions (G70/G700, G71/G710) - Siemens Sinumerik 840D sl Programming Manual

Geometry settings
9.3 Dimensions
Note
The commands DC, ACP and ACN can also be used for spindle positioning (SPOS, SPOSA) from
standstill.
Example: SPOS=DC(45)
Example
Milling on a rotary table
Program code
N10 SPOS=0
N20 G90 G0 X-20 Y0 Z2 T1
N30 G1 Z-5 F500
N40 C=ACP(270)
N50 G0 Z2 M30
References
Function Manual, Extended Functions; Rotary Axes (R2)
9.3.5

Inch or metric dimensions (G70/G700, G71/G710)

The following G functions can be used to switch between the metric measuring system and
the inch measuring system.
152
The tool is stationary, the table turns to 270° in
a clockwise direction to produce a circular
groove.
Comment
; Spindle in position control.
; Absolute dimensions, feed tool T1 in rapid tra-
verse.
; Lower tool during feed.
; Table turns clockwise to 270 degrees (positive),
the tool mills a circular groove.
; Retraction, end of program.
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals