Bosch rexroth HS5E Instruction Manual page 72

72/104 A4... with HS5E(V)(L) control system Series 1x and 30 | Commissioning
Bosch Rexroth AG, RE 92076-01-B/2021-04-22
Determination of the characteristics
V
g
Flow q =
v
V
Torque M =
20 × π × η
2 π × M × n
Power P =
Key
V Displacement per revolution [cm
g
Δp Differential pressure [bar]
n Rotational speed [rpm]
η
Volumetric efficiency
v
η
Hydraulic-mechanical efficiency
hm
η = η × η
Total efficiency (η
t t v
Fig. 25: Parameters for torque limitation
× n × η
v
[l/min]
1000
× Δp
g
[Nm]
mh
q × Δp
v
=
[kW]
60000 600 × η
t
3 ]
)
hm