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Quenching is a critical process in heat treatment that enhances the hardness and wear resistance of metal workpieces. However, a common defect encountered in production is insufficient hardness post-quenching, which typically manifests in two forms: overall low hardness of the workpiece or localized ... Read More
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In the field of mechanical transmission, gear transmission is widely used in core equipment such as automobiles, aerospace, and construction machinery due to its advantages of high transmission efficiency, wide power range, and precise transmission ratio. However, gears are subjected to complex ... Read More
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Overview Heat treatment is a critical metalworking technology that modifies the microstructure of steel through precisely controlled heating and cooling cycles. This process is essential for tailoring the mechanical properties of steel—such as hardness, toughness, strength, ductility, and wear ... Read More
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Gear grinding is the final "finishing" step in gear manufacturing, determining the tooth surface's form accuracy, roughness, and load-bearing capacity. However, improper control of the grinding process can lead to thermal damage on the tooth surface, commonly known as grinding burn in the industry. ... Read More
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Introduction In the industrial sector, machinery such as motors, fans, water pumps, compressors, and steam turbines is indispensable. Almost all these devices "shake" during operation, a phenomenon known as vibration. Vibration is not only a common physical occurrence but also a key window into ... Read More
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Introduction As the core component of mechanical transmission systems, the fatigue strength of gears directly determines the reliability and service life of transmission devices. This article systematically elaborates on the key technical system of gear fatigue strength from basic theories, design ... Read More
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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 ... Read More
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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 ... Read More
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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 ... Read More
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1. Introduction With 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 ... Read More
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