Bosch rexroth MBT, Руководство пользователя

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Designation Symbol Unit
Toler‐
ance
Description
Thermal time constant T
th_nom
min
Duration of the temperature rise to 63% of the final temperature of the
winding at motor load with permissible S1 continuous torque. The thermal
time constant is determined by the cooling type used.
①: chronological profile of the winding temperature
Θmax: max. winding temperature
T
th
: Thermal time constant
Winding resistance at 20 °C
R
12
Ohm Measured winding resistance among two strands.
Winding inductance
L
12
mH Measured inductance between two strands.
Leakage capacitance
C
dis
nF
Capacity of short-circuited power connections U, V, W against the motor
housing.
Number of pole pairs p - Quantity of pole pairs of the motor.
Stator mass
m
stat
kg
For stator mass depended from frame size and cooling mode refer to
Chapter 4.15 .
Power dissipation P
V
kW
Power loss in operation mode S1 (continuous operation) at nominal veloc‐
ity v
N
.
Coolant inlet temperature T
in
°C
Allowed coolant inlet temperature
The coolant inlet temperature should be maximum 5°C lower than the ex‐
isting ambient temperature T
um
. In case of a higher temperature differ‐
ence, danger of condensation!
Permissible coolant tempera‐
ture increase at P
V
ΔT
max
K
Temperature difference between coolant inlet and outlet temperature dur‐
ing operation with liquid cooling (coolant water) and rated power loss P
V
.
Required coolant flow at P
V
Q
min
l/min Required coolant flow for compliance with the specified motor torque.
Pressure drop at Q
min
Δp bar
Pressure loss within the internal coolant circuit of the motor Q
min
.
Volume of coolant duct
V
cool
l Coolant volume of the motor.
Maximum permissible inlet
pressure
p
max
bar
Maximum permitted inlet pressure of the liquid cooling on the motor with
coolant water.
General technical data for rotors MRT
Designation Symbol Unit
Toler‐
ance
Description
Moment of inertia of the rotor
J
rot
kgm 2
± 10% Moment of inertia of the rotor without brake, bearing and motor encoder.
Rotor mass m
rot
kg Mass of the components without attached parts (brake, encoder, etc.).
Maximum speed of rotor
n
max_mech
min
-1
Mechanic maximum speed of the rotor.
24/409
Technical data
MBT High Synchronous Torque Motors
Bosch Rexroth AG R911298798_Edition 08