Endless wide V-belts for industrial speed-changers and groove profiles for corresponding pulleys

This technical specification defines the cross-sectional profiles and corresponding groove dimensions for industrial variable-speed transmission systems utilizing narrow V-belts. It establishes precise geometric parameters to ensure compatibility between the belts and their mating pulleys, facilitating efficient power transmission across a variety of industrial applications. The document details the specific shape, width, and depth measurements required for the belt's trapezoidal cross-section, as well as the matching angular and dimensional characteristics of the pulley grooves. These definitions are intended to minimize slippage, reduce friction losses, and extend the operational lifespan of the transmission components. By adhering to these dimensional guidelines, manufacturers can produce standardized parts that interchange seamlessly, promoting uniformity in design and manufacturing processes globally. The specification covers the essential mechanical interface requirements, ensuring that the belt sits correctly within the groove for optimal torque transfer. This standardization effort supports the broader industry by providing a common reference for design engineers and machine builders, thereby streamlining the development of reliable and consistent industrial drive systems without compromising performance or safety.