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What are the Advantages of Hollow Cup Reduction Motor Over Ordinary Motors?

2025-06-12

Hollow cup reduction motor refers to an ironless motor system with integrated reduction mechanism. Its core feature is the coordinated design of cup-shaped winding rotor and planetary gearbox. Compared with traditional iron core motors, this structural difference brings multiple performance optimizations.

Hollow Cup Reduction Motor

Hollow cup reduction motor can eliminate eddy current loss and hysteresis effect caused by the iron core. The design without saturation limit of ferromagnetic materials keeps the torque output linear and expands the weak magnetic control range. The reduction of rotational inertia realizes millisecond-level angular acceleration response, and frequent start-stop conditions avoid energy accumulation and heating.


Energy efficiency advantages are mainly reflected in these three aspects

The chaotic magnetic field inside the motor can be integrated to reduce the waste of electricity.

Hollow cup reduction motor rotates very smoothly without a sense of jitter, which can better achieve the effect of saving electricity.

It can make the gear surfaces in the reduction box mesh together steadily, unlike before when the tips just touched each other, so the friction is small and a lot of electricity can be saved.

Using the hollow cup reduction motor, the heat of the rotor can be directly dissipated through air convection, avoiding the heat conduction bottleneck of the iron core structure.

In essence, the working principle of the hollow cup reduction motor is that the multiple energy loss links of the iron core motor are avoided in the process of converting electrical energy into kinetic energy through the hollow cup rotor.


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