Siemens SINUMERIK 840C Installation Instructions Manual page 193

6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.2 General machine data (general data)
Note:
The reduction speed with G62 is not quite reached. The error tolerance band is described as
follows.
FG62 = Reduction speed
Fact = "Actual reduction speed" reached
Fdecel = Braking step (speed reduction per Ipo cycle)
FG62 F (FG62 + F
act decel
where F is calculated from:
decel
a = acceleration (see NC MD 276*]
tipo = IPO cycle [ms]
F a
decel
––––––– = ––– x
min m
–––
2
s
No speed reduction takes place at the first block limit if F1 FG62 + F
No speed reduction to F3 takes place at the second block limit if F2 FG62 + F
FG62 values (MD3) smaller than F
6–8
)
tipo
––––––– x 60
ms
are not sensible.
decel
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Siemens AG 1992 All Rights Reserved
12.93
.
decel
.
decel
6FC5197- AA50
SINUMERIK 840C (IA)