Siemens Sinumerik 840D Series Function Manual page 259
Hla module
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Also See for Sinumerik 840D Series:
- Function manual (920 pages) ,
- Diagnostics manual (714 pages) ,
- Operating turning (713 pages)
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Definition of Terms
D1, D2
d1, d2
f
0drive
f
0control
f
0valve
f
v
h
m
O
p
A
p
B
p
p
Dp
Q
nom
Q
valve
Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
Cylinder piston diameter
Cylinder piston rod diameter
Natural frequency (resonant frequency) of hydraulic drive
Limit frequency that can be achieved by velocity-controlled drive
Natural frequency of servo solenoid valve
Limit frequency of servo solenoid valve
Cylinder stroke
Mass on piston rod
Cylinder piston area
Pressure at A end of cylinder
Pressure at B end of cylinder
Pump pressure
Pressure difference (nominal pressure drop)
Nominal flowrate of servo solenoid valve
Flow rate of servo solenoid valve
C
C-259
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