Program Examples; Example 1: First Programming Steps - Siemens Sinumerik 840D sl Programming Manual

Creating an NC program

4.4 Program examples

Program header for turning
The following example shows the typical structure of an NC program header for turning:
Program code
N10 G0 G153 X200 Z500 T0 D0
N20 T5
N30 D1
N40 G96 S300 LIMS=3000 M4 M8
N50 DIAMON
N60 G54 G18 G0 X82 Z0.2
...
Program header for milling
The following example shows the typical structure of an NC program header for milling:
Program code
N10 T="SF12"
N20 M6
N30 D1
N40 G54 G17
N50 G0 X0 Y0 Z2 S2000 M3 M8
...
If tool orientation / coordinate transformation is being used, any transformations still active
should be deleted at the start of the program:
Program code
N10 CYCLE800()
N20 TRAFOOF
...
4.4 Program examples
4.4.1

Example 1: First programming steps

Program example 1 is to be used to perform and test the first programming steps on the NC.
44
Comment
; Retract toolholder before tool turret is ro-
tated.
; Swing in tool 5.
; Activate cutting edge data set of the tool.
; Constant cutting rate (Vc) = 300 m/min, speed
limitation = 3000 rpm, direction of rotation
counterclockwise, cooling on.
; X axis will be programmed in the diameter.
; Call zero offset and working plane, approach
starting position.
Comment
; Alternative: T123
; Trigger tool change.
; Activate cutting edge data set of the tool.
; Zero offset and working plane.
; Approach to the workpiece, spindle and cool-
ant on.
Comment
; Resetting of the swiveled plane
; Resetting of TRAORI, TRANSMIT, TRACYL, ...
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals