A mechanical spring that uses its own deformation to generate force or store energy.
Its main functions are: 1 control of mechanical motion, such as valve springs in internal combustion engines, control springs in clutches, etc. 2 Absorb vibration and impact energy, such as the buffer spring under the car, train compartment, and the vibration absorption spring in the coupling. 3 Storage and output energy as power, such as clock springs, springs in firearms, etc. 4 used as a force measuring component, such as a force detector, a spring in a spring balance, and the like. The ratio of the load to deformation of the spring is called the spring stiffness. The greater the stiffness, the harder the spring.
According to the nature of the force, the spring can be divided into a tension spring, a compression spring, a torsion spring and a bending spring, and can be divided into a coil spring, a disc spring, a ring spring, a leaf spring, a plane spiral spring and a torsion bar spring according to the shape. Ordinary cylindrical coil springs are widely used because they are simple to manufacture and can be made into various types according to the load conditions. Spring manufacturing materials should generally have high elastic limit, fatigue limit, impact toughness and good heat treatment properties. Commonly used are carbon spring steel, alloy spring steel, stainless spring steel, and copper alloy, nickel alloy and rubber. Wait. Springs are manufactured by a cold roll method and a hot roll method. The general-purpose cold-roll method in which the spring wire diameter is less than 8 mm and the hot-roll method in which the spring wire diameter is larger than 8 mm. Some springs are subjected to strong pressure or shot peening after being made to improve the load carrying capacity of the spring.
The spring is a kind of elastic element widely used in the mechanical and electronic industries. When the spring is loaded, it can generate large elastic deformation, transforming mechanical work or kinetic energy into deformation energy, and the deformation of the spring disappears and returns to the original state after unloading. The deformation energy is converted into mechanical work or kinetic energy.