Siemens Sinumerik 840 sl

Special Motion Commands
5.2 Spline interpolation (ASPLINE, BSPLINE, CSPLINE, BAUTO, BNAT, BTAN)
Job planning
5-6 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Example: B spline
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All weights 1 Different weights Check polygon
N10 G1 X0 Y0 F300 G64 N10 G1 X0 Y0 F300 G64 N10 G1 X0 Y0 F300 G64
N20 BSPLINE N20 BSPLINE N20 ;omitted
N30 X10 Y20 N30 X10 Y20 PW=2 N30 X10 Y20
N40 X20 Y40 N40 X20 Y40 N40 X20 Y40
N50 X30 Y30 N50 X30 Y30 PW=0.5 N50 X30 Y30
N60 X40 Y45 N60 X40 Y45 N60 X40 Y45
N70 X50 Y0 N70 X50 Y0 N70 X50 Y0