Bosch Rexroth MSK030B-0900-NN Project Planning Manual page 26

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Technical data
Designation
Maximum torque
Maximum current
Torque constant at 20 °C
Voltage constant at 20 °C
Winding resistance at 20 °C
Winding inductivity
Leakage capacitance
Number of pole pairs
Moment of inertia of the rotor
Thermal time constant
Maximum speed
Sound pressure level
Mass
Ambient temperature during
operation
Protection class
Insulation class
Holding torque
Rated voltage
Rated current
Connection time
Disconnection time
Moment of inertia of the brake
Operation mode
Symbol Unit Description
For maximum current I
M M
The maximum torque depends on the drive control unit. The only binding maxi‐
max max
mum torque is that specified in the selection lists.
Maximum, temporarily permissible phase current of the motor winding without ad‐
I
A
max(eff) verse effect on the permanent magnet circuit of the motor.
Ratio of generated torque to motor phase current at motor temperature 20 °C. Val‐
K Nm/A
id up to approx. i = 2x I
M_N
Root-mean-square value of the induced motor voltage at a motor temperature of
K
V/min -1
EMK_1000
20 °C and 1,000 revolutions per minute.
R
Ohm Measured winding resistance among two strands.
12
L
mH Measured inductivity between two strands.
12
C
nF Capacity of short-circuited power connections U, V, W against the motor housing.
dis
p - Quantity of pole pairs of the motor.
Moment of inertia of the rotor without optional holding brake. Moment of inertia of
J
kgm 2
red the holding brake must be added as well.
Duration of the temperature rise to 63% of the final temperature of the motor
housing at motor load with permissible S1 continuous torque. The thermal time
constant is determined by the cooling type used.
T
min
th
①: time course of the temperature on the motor housing
Θmax: Highest temperature (motor housing)
T : Thermal time constant
th
Duration of the temperature rise to 63% of the final temperature of the motor
housing at motor load with permissible S1 continuous torque. The thermal time
constant is determined by the cooling type used.
n
min Maximum permissible speed of the motor.
-1
max
L
dB(A) Determined values for 1 m distance from motor to measuring point.
P
m kg Mass of the motor.
T
°C 0 ... 40 °C
amb
- - IP protection class acc. to EN 60034
- - Insulation class according to DIN EN 60034-1
M
Nm Transmittable holding torque of the holding brake.
4
U
V Input voltage of the holding brake.
N
I
A Current consumption of the holding brake.
N
t
ms Time until the holding brake is closed.
1
t
ms Time until the holding brake is released.
2
Moment of inertia of the holding brake, must be added to the moment of inertia of
J
kgm
2
Br
the motors to determine the total moment of inertia.
MSK motors are documented according to test criteria and measuring meth‐
ods in compliance with EN 60034-1. The specified characteristic curves cor‐
respond to operation modes S1 or S3.
DOK-MOTOR*-MSK********-PR12-EN-P
Synchronous Servomotors MSK
, for approx. 400 ms exchangeable maximum torque.
max
.
0_60