Difference between the use of drum motors and electric motors for belt conveyors

News 2025-05-07

The difference between the use of motorized pulleys and motors for belt conveyors lies in two main areas: the appearance, which is visible to the naked eye, and the configuration of use. At the same time they each have significant differences in efficiency, maintenance and installation flexibility.

First, the appearance:

Motorized pulley contains motor, deceleration device, drum body, bearings and other components. Appearance presents only drum or drum + external motor, two ways.

The motor drive is a separate component installed outside, including the motor, reducer. And different models correspond to different installation positions.
Second, the configuration (power):

Generally speaking, the drum motor can carry less power (recommended for use within 45kw), while the motor reducer can carry more power when used alone.
Efficiency, drum motor set motor, reducer and drum in one, realizing the integration of power and transmission, this compact design reduces the energy loss in the transmission link, making the energy conversion more direct and efficient. In contrast, the separate use of motor with reducer drive belt conveyor, although the structure is flexible, but in the process of energy transfer will experience more conversion, theoretically there is a certain loss of efficiency.

From the maintenance point of view, the integrated design of the drum motor simplifies the maintenance process. When equipment failure occurs, users may only need to replace the entire drum motor, without the need to check the complex internal mechanical structure one by one, which greatly saves maintenance time and cost. On the contrary, the motorized drive system requires a higher degree of professionalism and more component replacements for maintenance as it involves several components, such as the motor, reducer, coupling, etc. Failure of any one of these components may affect the overall operation.
Finally, when it comes to installation flexibility, motor-driven systems offer more configuration options, and different combinations of motors and reducers with different powers and speeds can be selected according to the actual situation on site to meet diversified production needs. Motorized pulleys, on the other hand, are slightly less flexible due to their integrated design, but their plug-and-play nature shows a unique advantage when it comes to rapid deployment and replacement.

Drum Motors and electric motors have their own advantages in belt conveyor applications. Motorized pulleys, with their high efficiency and easy maintenance, are suitable for occasions with high requirements for efficiency and ease of maintenance; while motorized drive systems, with their advantages of flexible installation and diverse configurations, have shown greater adaptability in complex and changing industrial environments. When choosing, need to be based on specific needs and application scenarios for comprehensive consideration.