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June 12, 2020

As an example, consider a person riding a bicycle, with the individual acting like the electric motor. If that person tries to trip that bike up a steep hill in a gear that’s designed for low rpm, he or she will struggle as
they try to maintain their stability and achieve an rpm that may allow them to climb the hill. However, if indeed they shift the bike’s gears into a quickness that will produce a higher rpm, the rider could have
a much easier period of it. A continuous force can be applied with soft rotation being supplied. The same logic applies for commercial applications that require lower speeds while maintaining necessary
torque.

• Inertia coordinating. Today’s servo motors are producing more torque in accordance with frame size. That’s due to dense copper windings, light-weight materials, and high-energy magnets.
This creates greater inertial mismatches between servo motors and the loads they are trying to move. Utilizing a gearhead to better match the inertia of the motor to the inertia of the strain allows for utilizing a smaller electric motor and outcomes in a far more responsive system that’s easier to tune. Again, that is attained through the gearhead’s ratio, where the reflected inertia of the strain to the motor is decreased by 1/ratio2.

Recall that inertia is the measure of an object’s level of resistance to improve in its movement and its own function of the object’s mass and form. The higher an object’s inertia, the more torque is needed to accelerate or decelerate the object. This means that when the load inertia is much larger than the motor inertia, sometimes it could cause extreme overshoot or enhance settling times. Both circumstances can decrease production line throughput.

On the other hand, when the motor inertia is larger than the load inertia, the engine will require more power than is otherwise necessary for the particular application. This raises costs since it requires spending more for a motor that’s larger than necessary, and since the increased power intake requires higher operating costs. The solution is to use a gearhead to match the inertia of the electric motor to the inertia of the strain.

Sight our on-line Servo Gearbox gallery.