Laminated flexible coupling
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In a laminated flexible coupling, aren’t the laminations fixed in place by bolts? How does compensation function in such a design?
The precision bolts on the same circle are spaced at regular intervals and connected to the master and slave mounting discs. This divides the arc segment on the elastic element into two parts: one that is compressed alternately and one that is stretched. The stretched portion transmits torque, while the compressed portion tends to shrink. When the unit has axial, radial, and angular misalignments, the diaphragm undergoes wavy deformation; one part of the diaphragm stretches while another part compresses, resulting in elastic deformation. During design, the appropriate stiffness in three specific directions of the elastic element is utilized to meet the requirements of the unit’s operating conditions.
Just push the coupling with your hand and you’ll understand! The coupling can swing
The coupling is not actually fixed axially; the interlaced type can move
Diaphragm couplings compensate for the relative displacement between the two shafts connected to them by means of the elastic deformation of the diaphragm. They are high-performance flexible couplings that utilize metal elastic elements; they do not require lubrication, have a compact structure, high strength, and a long service life. There is no rotational play, and they are not affected by temperature or oil contamination. They possess acid and alkali resistance as well as corrosion resistance, making them suitable for use in shaft systems operating under conditions of high temperature, high speed, and exposure to corrosive substances. They are widely used in the shaft systems of various mechanical devices.