Siemens SINUMERIK 840D sl Function Manual page 261

B3: Several operator panels connected to several NCUs, distributed systems - only 840D sl
The following part program describes the commands required for the first spindle revolution.
It must then be continued accordingly for the entire required length of the Z path:
G0 C0 X24.95 Z0 ; Start position
FGROUP(C) ; Ensures constant spindle speed
G1 G642 F1080000 ; Spindle speed 3000 rpm
POLY ;Specification of polynomials
C=DC(45.0000000) PO[X]=(25.0,.0750000,-0.0250000)
PO[Z]=(.2125000,0,0)
;1/8 circle, lineare Z movement, 1/4 sine in X
C=DC(90.0000000) PO[X]=(25.0500000,0,-0.0250000)
PO[Z]=(.2250000,0,0)
C=DC(135.0000000) PO[X]=(25.0,-0.0750000,.0250000)
PO[Z]=(.2375000,0,0)
C=DC(180.0000000) PO[X]=(24.9500000,0,.0250000) PO[Z]=(.2500000,0,0)
C=DC(225.0000000) PO[X]=(25.0,.0750000,-0.0250000)
PO[Z]=(.2625000,0,0)
C=DC(270.0000000) PO[X]=(25.0500000,0,-0.0250000)
PO[Z]=(.2750000,0,0)
C=DC(315.0000000) PO[X]=(25.0,-0.0750000,.0250000)
PO[Z]=(.2875000,0,0)
C=DC(0) PO[X]=(24.9500000,0,.0250000) PO[Z]=(.3000000,0,0)
...
Machine data
Please refer to "Configuration of link axes", "Axis container" for notes on the configuration of
machine data.
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
2.15 Examples
261