Understanding Frequently Used Programming Instructions; Dimension Units In Inch Or Mm (G70/G71) - Siemens SINUMERIK User Manual

7.2.3

Understanding frequently used programming instructions

7.2.3.1

Dimension units in inch or mm (G70/G71)

Description
G71:
With G71 at the program start, both the geometrical data
and the feedrates are evaluated as metric units.
G70:
With G70 at the program start, the geometrical data is eval-
uated as inches, but the feedrates are not affected and
remain as metric units.
For more information, see Section "Dimensions in metric units and inches: G71, G70, G710, G700 (Page 79)".
Programming and Operating Manual (Turning)
01/2017
7. If you want to program cycles, press the corresponding softkey to open the desired cycle
programming window. For more information, see Section "Cycles (Page 147)".
8. If you want to program contours, press this softkey to open the contour programming win-
dow. For more information, see Section "Free contour programming (Page 269)".
9. Press this key to return to the program management operating area after finishing editing.
Note:
When you are in the main screen of the program management operating area, you can
select to make the following operations between programs:
Searching for programs
•
Copying/cutting/pasting programs
•
Deleting/restoring programs
•
Renaming programs
•
For more information, see Section "Program management operating area (Page 245)".
Programming example
N10 G18 G90 G54 G71
N20 T1 D1
N30 S5000 M3 G95 F0.3
N40 G00 X100 Z1
N50 G01 X-0.5
N60 Z2
N70 G00 X200 Z50
N10 G18 G90 G54 G70
N20 T1 D1
N30 S5000 M3 G95 F0.2
N40 G00 X10 Z0.2
N50 G01 X-0.2
N60 Z0.2
N70 G00 X10 Z10
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