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Operating characteristics of diaphragm coupling
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Common application areas of diaphragm couplings Couplings are widely used in shaft transmission of various mechanical devices, such as water pumps (especially high-power, chemical pumps), fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, Textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopters), naval high-speed power transmission systems, steam turbines, piston-type power mechanical transmission systems, crawler vehicles, and high-speed, high-power mechanical transmission systems of generator sets. After dynamic balancing, it is relatively common to apply to high-speed transmission shafting.What are the operating characteristics of the diaphragm coupling: 1. The diaphragm coupling exerts a predictable low additional load on the connected device. Compared with similar flexible transmission elements, the diaphragm coupling exerts a predictable minimum on the connected device. Forces and bending moments. 2. Diaphragm...
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Talking about the development trend of universal coupling
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Now the machinery industry is developing rapidly, and the production level of various mechanical parts is constantly improving, so that the mechanical performance is gradually improved, and the machinery industry has also been rapidly developed.For example, universal couplings are used in many large machinery and are an important transmission component.The development of machinery now promotes the development of universal couplings. Therefore, the types of universal couplings increase and their performance is more reliable.In recent years, universal couplings have developed rapidly, with great progress in quality, technology, and quantity, especially in automobiles. There are many applications in cranes, mining equipment, etc. To universal couplings, these industries have very high performance requirements for universal couplings, otherwise the couplings are easily damaged, which will affect normal engineering operations.although…
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Precautions for the selection of couplings
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The choice of coupling mainly considers the speed of the required transmission shaft, the size of the load, the installation accuracy of the two connected parts, the stability of rotation, the price, etc., refer to the characteristics of various couplings, and choose a suitable one. Coupling type.Most couplings have been standardized or standardized.The designer's task is to choose, not design.The basic steps for selecting a coupling are as follows: 1) The size and nature of the torque to be transmitted and the requirements for the function of cushioning and damping.For example, for high-power and heavy-duty transmissions, gear couplings can be selected; for severe impact loads or transmissions that require the elimination of shaft torsional vibration, tire couplings and other couplings with high elasticity can be selected. 2) The working speed of the coupling and the centrifugal force caused by it.For high-speed drive shafts, balance accuracy should be selected...