Gears serve as the core components of mechanical transmission systems, and their load-carrying capacity is directly pivotal to the reliability and service life of the entire transmission system. This capacity primarily encompasses two critical aspects: tooth surface contact fatigue strength and toot

Gears are core components in mechanical transmission systems, and their load-carrying capacity directly determines the reliability and service life of the entire transmission system. The load-carrying capacity of gears mainly involves two critical aspects: tooth surface contact fatigue strength and

In the selection and installation of industrial pipelines, valves, flanges, and other equipment, "Nominal Diameter (DN)" is one of the most frequently used technical terms. However, many new entrants to the industrial field and even some senior technical personnel often fall into a cognitive misunde

1. IntroductionWith the rapid advancement of new energy vehicles (NEVs), industrial automation, and robotics, electric drive systems are increasingly demanded to deliver high efficiency, high reliability, and lightweight performance. As a core component for power transmission, gear transmission play