Coupling selection considerations

When selecting a standard coupling, the drum gear coupling should be based on the use requirements and working conditions, such as bearing capacity, rotational speed, relative displacement of the two shafts, buffer vibration absorption, as well as assembly and disassembly, maintenance and replacement of the vulnerable drum gear coupling. Comprehensive analysis, etc. to determine. The following points can be considered in order when selecting a specific choice. Factors that should be considered when selecting a coupling.

However, the physical objects required by different environments are different. When choosing a coupling, it is also necessary to choose the appropriate coupling model under different conditions.

1. Coupling equipment characteristics of prime mover and working coupling. Different types of prime movers, their output power and speed, some are smooth, some shock or even strong shock or vibration. This will directly affect the selection of the coupling type and is one of the primary basis for selection. If the load is stable and the development situation of the industry is discussed, rigid elastic pin couplings can be selected. Otherwise, elastic elastic pin couplings and TL-type elastic sleeve pin couplings should be selected.

2. The shaft system connected by the coupling and its operation. For the large mass of the connecting shaft system, the large moment of inertia, and the frequent starting, shifting or reverse rotation, the elastic pin coupling that can withstand large instantaneous overload and can buffer and absorb vibration should be considered.

3. The speed of the working coupling is high or low. For the two-shaft connection that requires high-speed operation, it should be considered that the structure of the coupling has the characteristics of high balance accuracy, so as to eliminate the vibration and noise caused by centrifugal force, and increase the related drum gear coupling. The wear and heat of the shaft reduce the transmission quality and service life, and the diaphragm coupling has better adaptability to high-speed operation.

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