Poly-V Belt & Pulley Manufacturers

Poly-V belts and poly-V pulleys: efficient choice in modern mechanical transmission systems
The poly-V belt is made of flexible rubber material, and multiple 40° trapezoidal wedges are evenly distributed on its inner surface. This structural design gives the poly-V belt many significant advantages, especially in high-efficiency, low-maintenance and long-life transmission systems, where it performs very well.
Multiple wedge-shaped tooth blocks are distributed on the inner surface of the poly-V belt, and each wedge block can evenly share the transmitted power. This makes the power transmitted by the poly-V belt more than 30% higher than that of the traditional V-belt in the same space. This feature makes the poly-V belt suitable for occasions that require high power transmission, such as the accessory drive system of an automobile engine or the drive system of large mechanical equipment. It can provide higher power transmission capacity in a compact space, especially for applications with limited space but high power requirements. The design of multiple wedges can effectively disperse the load and avoid excessive pressure on a single groove, thereby improving the stability and load-bearing capacity of the entire transmission system. This design helps to reduce local pressure concentration and reduce wear, thereby extending the service life of the belt, avoiding the situation where a single contact surface carries too heavy a load, and reducing the risk of the belt breaking or aging due to excessive pressure. Since the multiple wedges of the multi-V belt can contact the pulley at the same time and share the load, the vibration can be effectively reduced during the transmission process. The contact surface of each wedge is relatively small and evenly distributed, making the transmission system run more smoothly, thereby significantly reducing noise and vibration. In addition, the multiple wedge-shaped tooth block design of the multi-V belt makes the mechanical equipment run more smoothly, especially suitable for applications that are sensitive to noise and vibration, such as precision manufacturing, laboratory equipment and household appliances.
The multi-V belt structure is thin and flexible, can adapt to smaller diameter pulleys, and support higher speeds, with a belt speed of up to 40 meters per second. Due to the distribution of multiple wedges, the transmission system can run smoothly at high speeds without slipping or pulley slipping like traditional V-belts. The high-speed adaptability of the multi-V belt makes it very suitable for high-speed transmission systems, such as high-speed power tools, elevator systems and automobile engine drive systems.
The material of the multi-V belt is usually flexible rubber, and it has been improved with reinforced fiber materials to make it more resistant to aging, oil, corrosion and wear. This means that the multi-V belt can maintain a long service life even in harsh environments, reducing the frequency of replacement and maintenance costs. The oil resistance, corrosion resistance and high temperature resistance of the multi-V belt make it widely used in the automotive, machinery manufacturing, petrochemical and other industries. The multi-V belt has more contact points with the multiple wedges and pulleys, which enhances the friction between the belt and the pulley, which reduces the pulley slip phenomenon. Compared with traditional V-belts, multi-V belts can maintain a stable transmission ratio under different loads and working conditions, ensuring that the system always runs at the designed speed, and also avoiding the slip phenomenon in traditional transmission methods. The transmission ratio is accurate and the speed is constant, so that the equipment is always in the best working condition. Due to the compact structure and strong flexibility of the multi-V belt, it can adapt to pulleys of different sizes. At the same time, the design of multiple wedge grooves makes the coordination more flexible during installation and commissioning, and can provide better adaptability between small and large diameters. This design also reduces the adaptation problems caused by mismatched pulley sizes, especially in mechanical systems with limited space, providing greater design flexibility. Since the design of multiple wedges reduces the burden on a single belt groove, the wear and stress generated in the transmission system will be more evenly distributed. This reduces the possibility of failure and performance degradation during the transmission process, and reduces the maintenance frequency and cost of the equipment. It also reduces the need for lubrication, reduces the maintenance workload and related costs, and is particularly suitable for mechanical equipment that requires low maintenance and long-term operation. It has low vibration and runs more smoothly, which is particularly suitable for transmission occasions with strict vibration requirements.
The multi-V belt pulley is a transmission element with multiple wedge grooves designed specifically for multi-V belts. By increasing the number of wedge grooves, the transmission efficiency and load-bearing capacity are significantly improved. Its working principle is based on the extrusion effect of the wedge groove. When the belt moves in the wedge groove, the wedge-shaped structure of the wedge groove enhances the friction between the belt and the wheel through radial extrusion, thereby reducing slippage and energy loss and improving transmission efficiency. The design of the multi-V belt pulley maximizes the transmission efficiency of the multi-V belt, improves the effect of power transmission, and reduces energy loss. Due to the perfect match between the multi-V belt and the multi-V belt pulley, the friction is increased, thereby achieving a tighter transmission. Due to the increase in the number of grooves, the multi-V belt pulley can withstand higher loads and is suitable for applications that require greater power transmission, such as heavy machinery and automotive engine systems. The multi-V belt pulley is made of wear-resistant materials, and its design structure can reduce wheel groove wear and belt loss, reducing the maintenance frequency and operating costs of the system.
Multi-V belts can be widely used in many fields. It can be used in the transmission system of automotive engine accessories, such as generators, water pumps, air conditioning compressors, etc. Its high power transmission and high temperature resistance make it an ideal choice for automotive transmission systems. The efficient and smooth transmission of the multi-V belt can ensure the stable operation of precision mechanical equipment and avoid inaccurate processing caused by transmission errors. In CNC machine tools and precision instruments, the accuracy of the transmission system plays a vital role. Multi-V belts and multi-V belt pulleys have also been widely used in the food packaging industry. Its oil resistance, corrosion resistance and wear resistance allow the multi-V belt to work stably in a clean environment, ensuring safety and hygiene during food processing and packaging. In industrial automation equipment and electronic product manufacturing, the transmission system is required to be efficient, stable and low-noise. The precise matching of poly-V belts and poly-V pulleys can reduce noise and vibration, while providing efficient transmission capacity and improving the overall efficiency of the production line.

Ningbo Slongwang Synchronous Belt Co,.Ltd.: ISO 9001:2000 certification ensures the precision manufacturing and application of high-quality poly-V belts and pulleys
Ningbo Slongwang Synchronous Belt Co,.Ltd. has passed the ISO 9001:2000 international quality system certification, which reflects its commitment to strictly follow the quality management system in the production process of poly-V belts and poly-V pulleys, ensuring the consistency and high quality of products. ISO 9001:2000 certification means that the company follows strict quality management specifications in all aspects such as design, manufacturing, installation and after-sales. Through continuous quality control and improvement, the company can ensure that poly-V belts and poly-V pulleys meet international standards throughout the production process. This high-standard management system ensures that every poly-V belt and every poly-V pulley meets strict quality requirements. The company has complete quality testing equipment and testing processes to conduct strict quality testing on each batch of products. By conducting comprehensive tests on key performance indicators such as durability, anti-aging, fatigue resistance, and friction coefficient of multi-V belts and multi-V belt pulleys, we ensure that the products can operate stably in various harsh working environments. The company has advanced production equipment and technology to ensure that multi-V belts and multi-V belt pulleys are accurately manufactured during the production process. These equipment can support efficient production processes while meeting the requirements for product accuracy and complexity. Modern production lines can also achieve efficient mass production to ensure product delivery time and output. The multi-V belts and multi-V belt pulleys produced by the company are widely used in machine tools, automobiles, textiles, printing, food packaging, home appliances, electrical equipment and other industries. The equipment in these industries usually has extremely high requirements for the accuracy, stability and durability of the transmission system. Through long-term industry experience accumulation, the company is able to provide the best transmission solutions in different fields and optimize product design according to the needs of different applications.