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The food machinery industry is a large and diverse industry, and the challenges of processing, producing and packaging food around the world have prompted engineers to find solutions that can meet productivity. I have been busy in the food processing industry for most of my life, and I have been ... Read More
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Both Q235 and Q235A are ordinary carbon structural steel defined in GB/T 700 of China's national standard. Their main differences lie in the quality grade and specific requirements for some performance indexes. Here are the main differences in performance between the two materials: chemical ... Read More
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Mechanical seals, as one of the most critical sealing components in rotating equipment, are widely used in structures such as pumps, compressors, gearboxes, and reactors. Their function is to prevent the leakage of media (such as oil, water, and gas) along the rotational axis. Due to the complex ... Read More
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In high-load, high-intensity operating conditions, the surface strength and fatigue resistance of gear components are crucial to the reliability of the entire system. In addition to conventional heat treatment methods, gear roll strengthening (Roller Burnishing /Cold Rolling), as a non-cutting, ... Read More
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As the most common way of mechanical connection, interference fit is widely used in high load parts such as shaft and hub, bearing inner ring and shaft, gear installation, train wheel pressing and so on. It forms a tight fit through the interference between parts to achieve reliable torque or axial ... Read More
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In the mechanical assembly structure, pin connection (Pin Connection) is one of the most commonly used precision positioning means. It is widely used in heavy equipment, gearboxes, couplings, machine tool benchmarks and other fields because of its advantages of simple structure, convenient ... Read More
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Chain drive is a mechanical transmission method that uses chains to transfer power from one rotating part (the driving sprocket) to another rotating part (the driven sprocket). The driving sprocket engages with the chain, causing it to move. The chain then engages with the driven sprocket, enabling ... Read More
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1. When designing gears, you might have come across this notion: the number of teeth on a pair of meshing gears should be as prime numbers as possible, meaning they have no common factors and cannot be divided evenly. For example, z1=14 and z2 = 79. What are the benefits of having prime numbers for ... Read More
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Gear side clearance refers to the gap between the working tooth surfaces and the non-working tooth surfaces of a gear pair, typically measured along the meshing line. For helical gears, it is measured along the meshing line perpendicular to the tooth surface. What factors usually influence gear side ... Read More
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As one of the core components of the transmission system, the fatigue performance of gear directly affects the service life of the whole equipment under the action of long-term alternating load. How to accurately calculate the fatigue life of gear and how to improve its fatigue resistance through ... Read More
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