4 Installation
4.1.1 Servomotor Installation Environment
4-2
4.1 Servomotor Installation
4.1.1 Servomotor Installation Environment
Surrounding air temperature: 0 to 40°C
Surrounding air humidity: 80% RH or less (with no condensation)
Altitude: 1, 000 m or less
Vibration resistance: The servomotor will withstand the following vibration acceleration in three
directions: vertical, side to side, and front to back.
Shock resistance: 490 m/s
2
at servomotor flange
Number of impacts: 2
Installation site: An environment that satisfies the following conditions
• Indoors and free of corrosive or explosive gases
• Well-ventilated and free of dust and moisture
• Facilitates inspection and cleaning
• Free of high magnetic field
4.1.2 Orientation
You can install the servomotor either horizontally or vertically.
4.1.3 Installation Standards
The motor rated specifications (rated output, rated torque, and rated speed) are the continuous allowable val-
ues at a surrounding air temperature of 40°C when servomotors are installed with heat sinks.
When a motor is mounted on a small surface, the motor temperature may rise considerably because of the lim-
ited heat radiating abilities of the surface. To restrict the temperature rise, you should either mount a heat sink
or limit the electrical, thermal, and mechanical stress on the motor (derating). Refer to 3.1.4 Heat Dissipation
Conditions for the relation between the size of the heat sink and derating. The actual temperature rise depends
on how the heat sink (motor mounting section) is fixed on the installation surface and what material is used for
the motor mounting section. Always check the actual motor temperature.
If the servomotor is covered, or if a heating element is installed near the servomotor, the motor temperature
may rise considerably. In this case, take following countermeasures.
• Reduce the load ratio.
• Reconsider the motor heat dissipation.
• Install a cooling fan to forcedly cool the motor.
Servomotor Model
Vibration Acceleration at
Flange
SGMMV
49 m/s
2
Horizontal
Impact Applied to the
Servomotor
Vertical
Front to
Back
Side to Side