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Siemens NC 62 · 2016
Main spindle motors
SIMOTICS M synchronous motors for SINAMICS S120
SIMOTICS M-1FE synchronous built-in motors
6
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Characteristic curves
Comparison of synchronous/asynchronous spindles
Advantages of SIMOTICS M-1FE1 synchronous spindle over
asynchronous spindle
Comparison of power/speed characteristics
Comparison of torque/speed characteristics
Power/speed and torque/speed characteristics of PE spindles
compared to the asynchronous version under the following
supplementary conditions: identical active part volume and
identical rated current (60 A) of the Motor Module.
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More information
For a list of cooling unit manufacturers, please refer to Main
spindle motors – Liquid cooling.
100
50
150
200
%
Motor spindle as
induction motor
Permanently excited motor spindle
(PE spindle) as synchronous motor
Torque
(same active
component volume)
Ramp-up time
(same moment
of inertia)
Rotor power
dissipation
(same rated current)
G_NC01_EN_00020a
20000
30
kW
25
20
15
10
5
0
0
5000
10000
15000
Power
Synchronous (PE) spindle
Asynchronous spindle
Speed
rpm
(with same active
component volume)
G_NC01_EN_00021a
70
60
50
40
30
20
10
0
0
5000
10000
15000
20000
Nm
Torque
Synchronous (PE) spindle
Asynchronous
spindle
(at 60 A rated current
in the power section)
Speed
rpm
G_NC01_EN_00022a
© Siemens AG 2016