definition
A spring is a mechanical part that uses elasticity to work. Generally made of spring steel. It is used to control the movement of machine parts, mitigate shock or vibration, store energy, measure the magnitude of force, etc., and is widely used in machines and meters. The types of springs are complex and diverse, and are divided according to shape, mainly including coil springs, scroll springs, leaf springs, etc.
classification
According to the nature of the force, the spring can be divided into tension spring, compression spring, torsion spring and bending spring, according to the shape can be divided into disc spring, ring spring, leaf spring, coil spring, truncated cone spiral spring and torsion bar spring, etc. According to the production process, it can be divided into cold coil spring and hot coil spring. Ordinary cylindrical springs are the most widely used because they are simple to manufacture and can be made into various types according to the load. The structure is simple. The manufacturing materials of springs should generally have high elastic limit, fatigue limit, impact toughness and good heat treatment performance. Commonly used are carbon spring steel, alloy spring steel, stainless spring steel and copper alloy, nickel alloy and rubber Wait. The manufacturing methods of springs include cold rolling method and hot rolling method. The diameter of the spring wire is less than 8 mm, generally using the cold coil method, and larger than 8 mm, using the hot coil method. Some springs are also subjected to strong pressure or shot blasting after being manufactured, which can improve the spring's load-bearing capacity.
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Tensile machine | Tension test machine | Spring tester | Spring resilience tester
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