Siemens SINUMERIK 840D sl Programming Manual page 597

Program code
N40 X30
N50 X40 Y5
N60 X50 Y15
N70 X55 Y7
N80 X60 Y20
N90 X65 Y20
N100 X70 Y0
N110 X80 Y10
N120 X90 Y0
N130 M30
Example 3: Spline interpolation (A spline) and coordinate transformation (ROT)
Main program:
Program code
N10 G00 X20 Y18 F300 G64
N20 ASPLINE
N30 CONTOUR
N40 ROT Z-45
N50 G00 X20 Y18
N60 CONTOUR
N70 M30
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Y
50
40
30
20
10
10 20 30 40 50
X
60 70 80 90
Comment
; Approach starting point.
; Activate interpolation type A spline.
; First subprogram call.
; Coordinate transformation: Rotation of the
WCS through -45° around the Z axis.
; Approach contour starting point.
; Second subprogram call.
; End of program
Work preparation
3.7 Special motion commands
597