Coil spring pogopin production process

　　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.

　　Classification

　　According to the nature of the force, springs can be divided into tension springs, compression springs, torsion springs and bending springs. According to the shape, they can be divided into disc springs, annular springs, leaf springs, coil springs, truncated cone scroll springs and torsion bar springs, etc. , According to the production process, it can be divided into cold coil springs and hot coil springs. Ordinary cylindrical springs are the most widely used because of their simple manufacture, various types of springs according to the load conditions, and simple structure. Generally speaking, the manufacturing material of spring should 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 and hot rolling. The diameter of the spring wire is less than 8 mm, and the cold rolling method is generally used, and the hot rolling method is used for the spring wire larger than 8 mm. Some springs are subjected to strong pressure or shot peening after being made, which can improve the bearing capacity of the spring.

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