4 liquid-liquid he a t e xcha nge r
5 a ir-coole d conde ns e r
6 compre s s or
3
1
2
1
2
4
1
2
5
6
7
a ir-liquid cooling unit
liquid-liquid cooling unit
cooling unit
1 coola nt pump
2 coola nt conta ine r
3 a ir-liquid he a t e xcha nge r
7 va porize r
Fig. 9-10:
Heat removal devices
Air-to-liquid
cooling unit
Liquid-to-liquid cooling unit
Cooling unit
Coolant temperature control accura‐
cy
Low (±5 K)
Low (±5 K)
Good (±1 K)
Superordinate coolant circuit re‐
quired
No
yes
No
Heating of ambient air
yes
No
yes
Power loss recovery
No
yes
No
Size of the cooling unit
Small
Small
Large
Depending on ambient temperature
yes
No
No
Environment-damaging coolant
No
No
yes
Notes on operational criteria
Particularly suitable for
stand-alone machines that
do not have an superordi‐
nate coolant circuit and
which do not have to fulfill
high requirements on the
stability of the coolant tem‐
perature.
This cooling type is partic‐
ularly suitable for systems
with existing central feed‐
back cooler. It does fulfill
high requirements on the
stability of the coolant tem‐
perature.
Particularly suitable for
high requirements on the
thermal stability e.g. for
high-precision applica‐
tions.
Tab. 9-7:
Overview of the heat removal devices according to utilization criteria
272/409
Application notes
MBT High Synchronous Torque Motors
Bosch Rexroth AG R911298798_Edition 08
Содержание rexroth MBT
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