Siemens SINUMERIK 840D sl Function Manual page 150

Examples
4.7 Axis couplings via synchronized actions
; CACH is the workpiece axis as rotary axis and master value axis
; Application: Grind non-circular contours
; Table 1 maps the override for axis CACH as function of the position of CACH
; Overlay of the XGEO axis with handwheel infeed for scratching
N100 DRFOF
N200 MSG(Select "DRF, (Handwheel 1 active) and Select INKREMENT.== Handwheel overlay AKTIV")
N300 M00
N500 MSG()
N600 R2=1
N700 R3=1
N800 R4=1
N900 R5=36000
N1100 STOPRE
N1200
N1300 G0 XGEO=0 CASW=10 CACH=0
N1400 LEADOF(XACH,CACH)
N1500 LEADOF(CASW,CACH)
N1600 CURV_TABS
N1700
N1800 WAITP(XGEO)
N1900 ID=3 EVERY $R2==1 DO LEA‐
DON(XACH,CACH,2)
N2000 ID=4 EVERY $R2==0 DO LEA‐
DOF(XACH,CACH)
N2100
N2200 WAITP(CASW)
N2300 ID=5 EVERY $R3==1 DO LEA‐
DON(CASW,CACH,1)
N2400 ID=6 EVERY $R3==0 DO LEA‐
DOF(CASW,CACH)
150
; deselect handwheel overlay
; Reset message
; LEADON Table 2, Activate with ID=3/4 CACH to
XACH
; LEADON Table 1, Activate with ID=5/6 CACH to
CASW, override
; Endless rotating axis CACH, start with ID=7/8
; FA[CACH] Endless rotating rotary axis speed
; *** Set axis and leading axis to FA ***
; Move Axis, master axis and following axis
; to the initial position
; Coupling AUS XACH compensatory movement
; Coupling AUS CASW override table
; Sub-program with definition of the tables
; *** On-off switch of the LEADON compensatory move‐
ment XACH ***
; Synchronize axis to channel
; *** On-off switch of the LEADON CASW
; override table ***
; CTAB Coupling ON leading axis CACH
; CTAB Coupling OFF leading axis CACH
Function Manual, 08/2018, 6FC5397-5BP40-6BA2
Synchronized actions