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4 Technical data
4.1 Description of the specified parameters
General information The torque-speed characteristics and technical data are given for two differ‐
ent temperature models.
●
60K temperature increase on the housing and
● 100K temperature increase on the motor winding
Observe the specified temperatures when selecting technical da‐
ta! The respective data are marked with 100K or 60K.
60K data The 60K data are given for MSK motors under the following conditions:
●
Ambient temperature 40 °C
● Insulated construction
● Maximum temperature increase on housing ΔT = 60K
● For motors with optional holding brake, data are always given for motors
with holding brake.
● Motors with radial shaft sealing ring
100K data The 100K data are given for MSK motors under the following conditions:
●
Ambient temperature 40 °C
● Construction not insulated (attachment to steel flange L×W×H
450×30×350; or L×W×H 120×40×100)
● Maximum temperature increase on the winding ΔT = 100K
● For motors with optional holding brake, data are always given for motors
with holding brake.
● Motors with radial shaft sealing ring
The machine accuracy can be negatively affected by increased
linear expansion in 100K‑operation. It is recommended to work
with 60K data when planning the systems.
Parameters in the data sheet
Designation Symbol Unit Description
Continuous torque at standstill
60K
M
0_60
Nm
Continuous torque that can be applied to the motor output shaft at a speed of
(f
el
≥ 0.4 Hz). At n = 0: M
0
= 0.95 · M
0_60
Continuous current at standstill
60K
I
0_60
A
Phase current (crest value) of the motor M
0_60
required for the continuous torque
at standstill.
Continuous torque at standstill
100K
M
0_100
Nm
Continuous torque that can be applied to the motor output shaft at a speed of
(f
el
≥ 0.4 Hz). At n = 0: M
0
= 0.85 · M
0_100
Continuous current at standstill
100K
I
0_100(eff)
A
Phase current (crest value) of the motor M
0_100
required for the continuous torque
at standstill.
Continuous torque at standstill
surface
M
0_S
Nm
Continuous torque that can be applied to the motor output shaft at a speed of
(f
el
≥ 0.4 Hz). At n = 0: M
0
= 0.8 · M
0_S
Continuous current at standstill
surface
I
0_S(eff)
A
Phase current (crest value) of the motor M
0_S
required for the continuous torque at
standstill.
Continuous torque at standstill
liquid
M
0_L
Nm
Continuous torque that can be applied to the motor output shaft at a speed of
(f
el
≥ 0.4 Hz). At n = 0: M
0
= 0.75 · M
0_L
Continuous current at standstill
liquid
I
0_L(eff)
A
Phase current (crest value) of the motor M
0_L
required for the continuous torque at
standstill.
DOK-MOTOR*-MSK********-PR12-EN-P Bosch Rexroth AG 23/279
Synchronous Servomotors MSK
Technical data