
B–65142E/04
3. SPECIFICATIONS AND
CHARACTERISTICS
FANUC AC SERVO MOTOR αM series
155
The parameters given in the data sheet are representative values for an
ambient temperature of 20°C. They are subject to an error of "10%.
The indicated logical values are threshold values for the single motor unit
(when the motor is not restricted by the control system).
The maximum torque that can be produced during acceleration or
deceleration in actual use is calculated as the approximate product of the
motor torque constant and the current limit value of the amplifier.
This value is for reference only. The actual value will vary depending on
changes in the power supply, as well as variations in motor parameters and
amplifier limit values.
In some models, if the maximum current flows in the motor, the actual
maximum torque is affected by, for example, magnetic saturation. As a
result, the actual maximum torque will be lower than the calculated value.
The intermittent operation area (maximum torque value) indicated in the
speed to torque characteristics is the effective value, determined
according to the combination with the amplifier.
Data sheet