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About the characteristics and main types of butterfly springs

2019-05-22 11:40:18
Times

I believe you have seen all kinds of springs in your life, so have you seen a kind of metal mechanical parts that look like toroidal gaskets but have different materials-special springs. Because it looks like a dish, it is called a disc spring. Generally speaking, it works by providing sufficient elasticity through a considerable amount of superposition.


Due to the characteristics of variable stiffness and compact installation, it is widely used in machinery and equipment industry, petroleum industry, automobile industry and aerospace industry. A large range of cylindrical coil springs are replaced.


The disc spring is a washer spring with a truncated cone section made of sheet metal or forged blanks. , Let me introduce the characteristics of disc springs and the main types of applications.


Nut processing

The characteristics of the butterfly spring are:


1. High rigidity, strong shock absorption capacity, can bear large load with small deformation, suitable for occasions with small axial space requirements.


2. With variable stiffness characteristics, this spring has a wide range of nonlinear characteristics.


3. Using the same disc spring with different combinations, the spring characteristics can be changed in a wide range. It can adopt the combination method of inversion and superposition, and can also adopt the combination method of compounding different thickness and different number of pieces.




Main types of butterfly springs:


(1) Ordinary disc spring, trapezoidal section disc spring, conical trapezoidal section. Disc spring: simple shape and structure, wide application. It can be used in single, inverse, superimposed combination or composite disc spring group, bearing static load or variable load, and used as a powerful buffer and damping spring in heavy machinery, aircraft, artillery and other weapons.


(2) Diaphragm spring: It is mainly used in automobile clutches. It consists of two parts: the separation finger and the disc spring.


(3) Wave washers: Used extensively in mechanical seals, and can be further developed into spiral wave springs.


(4) Slotted disc spring: usually used in clutches, such as clutches of lathes, automobiles and tractors.


(5) Disc spring with disc shape: the cross section is disc shape, which deforms into a truncated cone shape after being loaded. The structure is simple and the rigidity is large, and it is used in occasions with special requirements.


(6) Helical disc spring: It has the dual characteristics of disc spring and helical spring, and can obtain different rigidity requirements.


(7) Wave cylindrical spring (wave spring): Use wave washers to overlap into a cylindrical shape, which can get larger deformation.



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