Spring is a kind of elastic element widely used in electromechanical industry. When the spring is loaded, it will cause great elastic deformation and convert mechanical work or kinetic energy into deformation energy. However, after unloading, the deformation of the spring disappears and returns to the original state. At the same time, deformation can be transformed into mechanical work or kinetic energy. The ratio of load to deformation is called spring stiffness. The greater the stiffness, the harder the spring.

Function of spring

A spring is an elastic body that stores mechanical energy. Springs are generally made of spring steel. There's a lot of spring design. Its flexibility can be used to control the movement of mechanical parts, reduce the impact or vibration, save energy, measure the size of the force, etc. Widely used in life, such as the suspension of the car, the lower part of the train shock absorption spring, life spring balance, force meter spring.

Classification of springs

Spring can be divided into a stretch spring, a compression spring, a torsion spring and a bending spring.

A tension spring is a helical spring subjected to axial tension. Tensile springs are generally made of circular section material. When the load is not stressed, the tensioning coil and the spring coil are generally tightened without clearance.

Features: a variety of different terminal devices or hooks are used to ensure the tension source of the spring. A stretch spring works the opposite way to a compression spring. The compression spring ACTS in reverse when pressed and the tension spring ACTS in reverse when stretched or opened. When the ends of the stretching spring are pulled apart, the spring tries to pull them back together. Like a compression spring, a tension spring absorbs and stores energy. But unlike compression springs, most stretch springs are generally under the required degree of tension, even if there is no load. This initial tension determines the compactness of the tension spring coil in the absence of any load.

A compression spring is a helical spring of this type under directional pressure. Its material section is mostly round, also made of rectangular and multi - ply steel. Springs are generally of equal pitch. Compression springs are cylindrical, conical, convex and concave, with a small number of non-circular. There is a necessary clearance between the compression spring ring and the compression spring ring. When subjected to an external load, the spring contracts and changes. Shape, storage of deformation energy.

A torsion spring is a helical spring. The torsional spring can store and release angular energy or hold the device in place according to the rotating arm around the spring shaft. The ends of the torsion spring are fixed to other parts, and as other parts revolve around the center of the spring, the spring pulls them back to their original position to create torque or rotational force. A coil spring is often used in the rear of a car.

Bending spring, according to the name showed the characteristics of this kind of spring, can develop a large amount of bending, with a better bending and recovery.