Moons' MBDV Series - Wiring; Motor Temperature Rise

23
Rev. 2.0
07/27/2023
MBDV Hardware Manual
3.4.3 Wiring
• If using a cable chain, use a super exible cable. And ensure that there is a bending diameter
of more than 100mm.
• Do not twist the cable.
• When moving the motor, do not pull on the cable.
• Do not use the same sleeve for the main circuit cable and the input/output signal cable /
encoder cable, and do not bundle them together. Wiring in this case, the main circuit cable and
the input/output signal cable / encoder cable should be separated by at least 30cm.
3.4.4 Motor temperature rise
Servo motors are rated for continuous operation when mounted on a standard heat sink and in an
ambient temperature of 40 °C. When the servo motor is installed in a small device, the temperature
may rise signicantly due to the reduced heat dissipation area of the servo motor.
The dimensions of the standard cooling plate of the servo motor are as follows:
Base series Power Heat sink size
40mm 100W 200*200*6 aluminum
60mm 200W, 400W 250*250*6 aluminum
80mm 750W 250*250*6 aluminum
If the installation environment makes it di󰀩cult to use a large heat sink, or if the ambient
temperature exceeds the specication requirements, the following requirements need to be
followed:
• Do not work at rated power, choose a motor that is 1~2 times larger than the actual motor
power required.
• Reduce the acceleration and deceleration of the duty cycle to reduce the motor load.
• Reduced duty cycle for work.
• External forced air cooling of the servo motor using a cooling fan or other means.
• When using a motor with an oil seal, the oil seal will cause a certain resistance and torque loss
to the rotation of the motor shaft, and heat is generated due to the friction between the two. The
required load torque needs to be 70% of the rated torque of the motor.
Note: Do not put any thermal insulation material between the servo motor and the metal
heat sink, so as to avoid the failure of the motor to dissipate heat and cause the motor
temperature to rise, which may cause the motor to malfunction.