The core type elastic coupling is a pin made of a combination of rubber and a steel rod or a steel tube, which is placed in a concave blind hole of the two coupling halves to realize the coupling of the two halves. Join. The core type flexible coupling has the advantages of simple structure, easy manufacture, low cost, no lubrication, and convenient maintenance, but when the elastic member is replaced, one end half coupling and the main shaft need to be moved, and the coupling has the relative offset and the offset of the two axes. Vibration performance, suitable for small and medium power, less demanding, more convenient axis alignment, such as agricultural pumps.
 
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