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Advantages and disadvantages of rigid couplings
2021-11-18 10:51:11

Disadvantages: Flange couplings have high requirements for the alignment of the two shafts. When the relative displacement of the two shafts is present, additional loads are caused in the machine parts, which deteriorates the working condition, which is its main disadvantage. Advantages: However, due to its simple structure, low cost and high torque transmission, it is often used when the speed is low, no impact, the rigidity of the shaft is large, and the centering is good. The flange coupling (also known as the flange coupling) is a bolt-coupled two flange (flange) disc type half coupling, and the two coupling halves are respectively coupled with two shafts by a key to realize two shafts. Connect, transfer torque and motion. The flange coupling has the advantages of simple structure, convenient manufacture, low cost, reliable operation, simple assembly and disassembly and maintenance, large transmission torque, and high alignment accuracy of the two shafts, and is generally used for stable load. Shaft drive with high speed or high transmission accuracy requirements. The flange coupling does not have radial, axial and angular compensation performance. If the alignment accuracy of the two shafts cannot be guaranteed during use, the service life, transmission accuracy and transmission efficiency of the coupling will be reduced, and vibration will be caused. And noise. According to the magnitude of the transmitted torque, the bolts on the flange of the rigid coupling can be all bolts for reaming holes, or half of the bolts for reaming holes, and the other half with ordinary bolts.