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The effect of gear type on noise Different types of gears, due to their different geometric characteristics, will have different forms of meshing process. For example: under the same load and speed conditions, through many application cases can be found that the noise of helical gears can be 3~10dB ... Read More
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Gears, as the most critical components of transmission systems, have their processing quality directly determining the overall transmission efficiency and lifespan of the machine. There are various methods for gear formation, among which hobbing and broaching are the two most common and widely used ... Read More
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Gear lubrication is not only crucial for transmission efficiency but also directly impacts the service life and operational safety of gears. In the drive systems of rail transit, gearboxes endure continuous impact loads with high speeds and large torques. The condition of the lubrication system ... Read More
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The mechanical key (Key), as one of the most common methods for connection and torque transmission, is widely used in various rotating components, especially in the connections between gears, pulleys, couplings, and shafts, where it holds a central position. Despite its simple structure, the ... Read More
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In the design scheme of the spraying equipment production line, there are indeed some minefields that need to be avoided. If these minefields are not paid attention to, they may affect the efficiency of the production line, product quality and even the long-term competitiveness of the enterprise. ... Read More
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Sliding fit and rolling fit are two common types of motion, widely used in components such as guides, bearings, pistons, sliders, and couplings. Although both fall under the category of "motion fits," their structural principles, load characteristics, and design requirements are entirely different, ... Read More
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Effect of the gear type on the noise Different types of gears, due to their different geometric characteristics, will have different forms of engagement processes. For example, under the condition of the same load and speed, many application cases can be found that the noise of inclined gear is 3... Read More
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In rotating machinery, the fit accuracy between bearings and shafts directly affects the rotational accuracy, service life, and operational stability of the equipment. Excessive interference can cause bearing deformation or even damage, while excessive clearance may lead to bearing slippage and ... Read More
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As the core component of mechanical transmission system, the reliability is directly related to the normal operation of equipment. In the long-of gear service, root stress (Root Stress) is one of the main factors affecting its failure. In this paper, we will deeply analyze the calculation method of ... Read More
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Gear transmission system is widely used in industry, transportation and energy fields, and its efficiency directly affects the energy consumption and operation cost of equipment. In practice, gear transmission efficiency is affected by many factors, such as rolling friction, oil film shear loss, ... Read More
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