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A spring is a mechanical part that uses elasticity to work. Parts made of elastic materials deform under the action of external force, and return to their original shape after the external force is removed. Also known as "spring". Generally made of spring steel. The types of springs are complex and diverse. According to the shape, there are mainly coil springs, scroll springs, leaf springs, special-shaped springs, etc.

Six Types of Spring


According to the force properties, springs can be divided into tension springs, compression springs, torsion springs and bending springs; According to the shape, it can be divided into dish spring, ring spring, plate spring, coil spring, truncated cone scroll spring and torsion bar spring; According to the production process, it can be divided into cold coil spring and hot coil spring.


Six Types of Spring


1. The torsion spring is a spring that bears torsional deformation, and its working part is also tightly wound into a spiral. The end structure of the torsion spring is a torsion arm machined into various shapes, not a shackle. The torsion spring uses the lever principle to twist or rotate the elastic material with soft material and high toughness, so that it has great mechanical energy.


2. The extension spring is a coil spring that bears the axial tension. When not under load, the coils of the tension spring are generally tight and there is no gap between the coils.


3. The compression spring is a coil spring that is subjected to axial pressure. The cross-section of the material used is mostly circular, and it is also made of rectangular and multi-strand steel yam. The spring is generally of equal pitch. The shape of the compression spring is: cylindrical Shape, conical, convex and concave shape and a small amount of non-circular, etc., there will be a certain gap between the rings of the compression spring, when the spring is subjected to external load, the spring shrinks and deforms, and the deformation energy is stored.



4. Progressive spring, this kind of spring adopts the design of inconsistent thickness and density. The advantage is that when the pressure is not large, it can absorb the ups and downs of the road surface through the part with lower elastic coefficient to ensure the riding comfort. When the pressure increases to After a certain degree, the thicker part of the spring plays the role of supporting the body, and the disadvantage of this kind of spring is that the control experience is not direct and the accuracy is poor.


5. Linear spring, the thickness and density of the linear spring from top to bottom are unchanged, and the elastic coefficient is a fixed value. The spring of this design can make the vehicle obtain a more stable and linear dynamic response, which is beneficial to the driver to better control the vehicle. It is mostly used for performance-oriented modified vehicles and competitive vehicles. The disadvantage is of course that the comfort is affected.


6. Short springs Short springs are shorter and thicker than the original springs. The installation of short springs can effectively lower the center of gravity of the body, reduce the roll generated during cornering, make cornering more stable and smooth, and improve vehicle cornering. Road handling. The damping setting of the original shock absorber is more comfortable, so the short spring and the original shock absorber are not very stable in cooperation.


It cannot effectively suppress the rebound and compression of the short spring. When driving on bumpy roads, it will There is an uncomfortable jumping feeling. If things go on like this, the life of the shock absorber will be greatly shortened, and there may be oil leakage. Of course, the above conditions are relatively speaking. There will be no such serious damage in daily driving, and try not to drive vigorously. After all, the original shock absorber cannot withstand the pressure of high load.


Types of Spring
Application of Spring


Application of Spring


1. Control the movement of machinery, such as valve spring in internal combustion engine, control spring in clutch, etc.


2. Absorb vibration and impact energy, such as buffer springs under cars and trains and vibration absorbing springs in couplings.


3. Store and output energy as power, such as clock springs, springs in guns, etc.


4. It is used as a force measuring element, such as a force measuring device, a spring in a spring scale, etc.


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