Follow the editor to learn about the shortcomings of the LXD single-flange star elastic coupling?

The LXD single-flange star elastic coupling is made of pins made of several non-metallic elastic materials, placed in the flange hole of the double half shaft, and the double half shaft is connected through the pins. The foot structure is simple, easy to manufacture, and it is convenient to install and exchange elastic elements.It is not necessary to move the connecting shaft.

The material of the elastic element (pin) is generally nylon, which has the ability of micro-compensation for biaxial deflection. The elastic element is sheared during operation, and the workability is poor.This is only suitable for low-speed rotating shafts, not for demanding operations.When working, the pin on the shaft of the LXD single-flange star elastic coupling will be in a state of shearing and squeezing.The strength condition is to calculate the shear strength on the section of the elastic pin and the compression strength between the pin and the wall of the pin hole.

insufficient

1) Since the selected material of the LXD single-flange star elastic coupling is cast iron, its weight is 38.8 kg, so that the motor wastes a lot of electrical energy during the water supply operation, which affects the efficiency of the unit and increases the operating cost.

2) Because the disassembly of the LXD single-flange star elastic coupling is very troublesome, it is easy to deform or damage the cast iron coupling when repairing the water pump and the motor.

3) The LXD type single-flange star-shaped elastic coupling has higher requirements for the relative radial displacement of the two shafts, which is 0.2～0.6mm, which brings great difficulty to the alignment of the concentricity of the coupling.In addition, due to the loose bolts during operation, the vibration and noise of the water pump unit will increase.

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