Siemens SINUMERIK 810D - Page 156

5
Special Motion Commands 04.00
5.2 S
p
line inter
p
olation
5
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC 810D 840Di
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5-156
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
Example
C spline, zero curvature at start and end
10 20 30 40 50 60 70 80 90
X
Y
10
20
30
40
50
N10 G1 X0 Y0 F300
N15 X10
N20 BNAT ENAT
C spline, at start and end
Zero curvature
N30 CSPLINE X20 Y10
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