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A POM mesh belt conveyor is a handling machine that continuously transports materials along a specific path, and is also known as a mesh belt assembly line. It can perform horizontal, vertical, or inclined transportation, and it can also be combined with other related conveying machinery to create complex spatial conveying systems; generally, these conveying systems are fixed in place. Conveyors have a high conveying capacity and can cover long distances; they are also capable of carrying out various processing operations during transportation, which makes them widely used. When the POM belt conveyor stops transporting material due to some issue and is started again, it constitutes a start under heavy load. The frequency converter is required to enable heavy-load startup of the POM belt conveyor while it is carrying material. When a POM belt conveyor is started under heavy load with material on it, the torque generated by the motor must not only overcome the resisting torque caused by the static friction between each support roller and its axle beneath the POM belt, but also overcome the resisting torque resulting from the downward pull of the material on the POM belt. The resistance torque caused by the downward pull of the material on the POM conveyor belt is constant. However, static friction is much greater than dynamic friction, which means that the initial starting torque required to overcome static friction is much larger than the resistive torque caused by dynamic friction during normal operation. Therefore, the inverter must have the capability of providing high starting torque at low speeds. In reality, during startup, due to the elasticity of the POM conveyor belt, each roller rotates one after another in sequence, and they do not rotate simultaneously. Even when the roller starts to rotate, due to the low speed, the lubrication between the roller and its shaft is poor, resulting in significant friction; moreover, the dynamic friction force is unstable, which causes fluctuations in torque during startup at low speeds. Moreover, throughout the startup process, it takes some time for all the rollers to start rotating before the torque begins to decrease. Only by reaching a certain speed can lubrication be improved, and thus torque fluctuations can be reduced. Therefore, this high low-speed starting torque needs to be maintained for a certain period of time, usually at least a few seconds. It is related to factors such as the length of the POM conveyor belt, the minimum speed at startup, and the elasticity of the POM conveyor belt. Moreover, during startup, due to the low speed, the fluctuations in torque and speed are relatively large. The structure of these conveyors includes storage piles and conveyor belts (or POM mesh belt conveyors) for moving sulfur in bulk from railcars; a continuous loop of material is wrapped around the mesh belts of the conveyor belts by two or more pulleys. One or both of the pulleys are powered to move the conveyor belt forward, along with the material on that belt. The powered belt pulley drives the pulley, while the unpowered belt pulley is referred to as idler. There are two main types of industrial POM belt conveyors: those used for general material handling, such as moving frames, and those used for transporting bulk materials within factories, for use with various industrial and agricultural materials like particles, coal, ore, etc., in outdoor environments. The company provides POM mesh belt conveyors for general material handling, but does not offer them for transporting bulk materials. In addition, there are also POM belt conveyors used in commercial applications, such as those in grocery stores. This conveyor belt consists of one or more layers of material. The rubber they can produce. Many those used in general material handling have two layers. The material layer that provides linear strength and shape is called the carcass, while the layer on top is called the cover. The tire body is usually a woven fabric, with warp and weft yarns. The most common carcass materials are polyester, nylon, and cotton. The cover is made of various rubber or plastic compounds specified for frequent use with seat belts. Lids, when made from a variety of external materials such as silicone rubber, heat-resistant materials, or rubber, require traction for unusual applications.