Technical description
Synchronous servomotor14 Version: 2.1
6 Technical description
6.1 Design of the motors
The synchronous servomotors of the AM8100 series are brushless three-phase motors for demanding servo-
applications. In conjunction with our digital servo drives they are particularly suitable for positioning tasks in
industrial robots, machine tools, transfer lines etc. with demanding requirements in terms of dynamics and
stability.
The servo motors are equipped with permanent magnets in the rotor. This advanced neodymium magnetic
material makes a significant contribution to the motors' exceptional dynamic properties. A three-phase
winding is housed in the stator, and this is powered by the servo terminal. The motor has no brushes, the
commutation being implemented electronically in the servo terminal.
The motors are available with or without built-in holding brake. The brake cannot be retrofitted.
The motors have a matt dark grey powder coating (similar to RAL 7016).The finish is not resistant against
solvents (e.g. trichlorethylene, thinners or similar).
6.2 General technical data
Climate category 3K3 according to EN 60721
Ambient temperature
(at rated values)
+5 - +40 °C for site altitudes up to 1000 m amsl
Permissible humidity
(at rated values)
95% relative humidity, non-condensing
Power derating
(currents and torques)
For site altitudes above 1000 m amsl and 40 °C
Ball bearing service life ≥30.000 operating hours
Technical data → see section --- FEHLENDER LINK ---
Storage and transport data → see section --- FEHLENDER LINK ---
6.2.1 Power derating
Ambient temperature
f
T
= Temperature utilisation factor
t
A
= Ambient temperature in °C
Calculation of the power data when exceeding the
specified temperature limit > 40 °C up to 55 °C:
M
0_red
= M
0
x f
T
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