Siemens sinumerik 840d Programming Manual page 158

Special Motion Commands
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5.2 Spline interpolation
840D 840D
NCU 571 NCU 572
NCU 573
Programming
SPLINEPATH(n,X,Y,Z,...)
Explanation
SPLINEPATH(n,X,Y,Z,...)
Example
Spline grouping with three path axes
N10 G1 X10 Y20 Z30 A40 B50 F350
N11 SPLINEPATH(1,X,Y,Z)
N13 CSPLINE BAUTO EAUTO X20 Y30 Z40 A50 B60 C spline
N14 X30 Y40 Z50 A60 B70
...
N100 G1 X... Y...
5-158
FM-NC 810D 840Di
n = 1, fixed value
X,Y,Z,... path axis names
X
Spline grouping
Interpolation points
Deselection of spline interpolation
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
04.00
Z
SPLINEPATH (1,X,Y,Z)
 Siemens AG 2000. All rights reserved
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Y