Siemens SINUMERIK 840D sl Programming Manual page 596

Work preparation
3.7 Special motion commands
Program code 2 (different weights)
N10 G1 X0 Y0 F300 G64
N20 BSPLINE
N30 X10 Y20 PW=2
N40 X20 Y40
N50 X30 Y30 PW=0.5
N60 X40 Y45
N70 X50 Y0
Program code 3 (check polygon)
N10 G1 X0 Y0 F300 G64
N20
N30 X10 Y20
N40 X20 Y40
N50 X30 Y30
N60 X40 Y45
N70 X50 Y0
Example 2: C spline, zero curvature at the start and at the end
Program code
N10 G1 X0 Y0 F300
N15 X10
N20 BNAT ENAT
N30 CSPLINE X20 Y10
596
Y
Check polygon
All weights 1
Different weights
50
40
30
20
10
10 20 30
X
40 50 60
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Comment
; n.a.
NC programming