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Introduction In the fields of rail transit, automotive transmissions, and wind turbine gearboxes, the reliability of gears is crucial for the stability of the entire system. However, when tiny gray spots, bright spots, or pits (similar to the size of a needle tip) appear on the gear surface, it is a ... Read More
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Gears are core components of mechanical transmission systems, and their manufacturing quality directly affects the performance and service life of the entire equipment. Grinding is a crucial precision machining process for gears, yet grinding burn is a common quality issue during this stage. ... Read More
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Gear transmission, as the core component of mechanical transmission systems, its dynamic characteristics directly affect the performance and reliability of the entire mechanical system. This article focuses on introducing the basic principles, mathematical modeling methods, vibration and noise ... Read More
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Harmonic Drive reducers are high-precision, high-transmission-ratio speed reduction devices widely used in robots, aerospace, medical equipment, optical instruments, and other fields. Their unique structure endows them with advantages such as zero backlash, high torque density, and high rigidity, ... Read More
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Box-type parts serve as the outer casings or bases of machines or components, encompassing various bodies (bases), pump casings, valve bodies, tailstock bodies, and more. As core components in machinery, they fulfill critical functions such as supporting internal parts, housing mechanisms, ... Read More
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In a gear transmission system, the tooth tip chamfering and tooth profile chamfering of gears are crucial factors that affect gear performance, service life, and noise characteristics. Chamfering refers to the process of cutting or grinding the edges or tooth surfaces of gears at a certain angle to ... Read More
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In the design of gear geometric parameters, two crucial concepts—Specific Sliding and Sliding Factor—are often encountered. While both relate to the sliding characteristics of gear meshing, they differ significantly in definition, physical meaning, and design considerations, as detailed below. 1. ... Read More
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In high-precision transmission systems such as rail transit gearboxes, wind power gear drives, and high-speed gearboxes, the pursuit of optimal performance extends beyond sophisticated design and precision manufacturing. Assembly, often regarded as the "final mile" of gear accuracy, plays a decisive ... Read More
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Metal heat treatment, as a core process for enhancing material performance, plays an irreplaceable role in fields such as aerospace, automobile manufacturing, and mold processing. However, temperature during the heating process often leads to two fatal defects - overheating and burning. Although ... Read More
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In the realm of high-end mechanical manufacturing, the demand for materials that can withstand heavy loads, extreme temperatures, and prolonged fatigue is ever-growing. Among the various alloy carburizing steels available, 18CrNiMo7-6 (specified under German Standard DIN 1.6587 and EN 10084) stands ... Read More
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