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Copper alloy spring: What are the effects of strong pressure on copper alloy spring?


Release time:

2021-09-09

The long-term deformation of the copper alloy spring is that when the external force exceeds the elastic limit of the spring, the rebound height is lower than the original height or greater than 0.6mm. After the copper alloy spring is deformed for a long time, the elasticity and stiffness will also change. Therefore, in order to obtain a suitable spring, the spring is sometimes raised in the design drawing, and a strong compression treatment is performed after production to deform and replace the spring for a long time.

Copper alloy spring: What are the effects of strong pressure on copper alloy spring?

Copper alloy springThe long-term deformation is when the external force exceeds the elastic limit of the spring, the rebound height is lower than the original height or greater than 0.6mm.Copper alloy springAfter long deformation, the elasticity and stiffness will also change. Therefore, in order to obtain a suitable spring, the spring is sometimes raised in the design drawing, and a strong compression treatment is performed after production to deform and replace the spring for a long time.

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However, conditions are improved by strong compression (tension and torsion).Copper alloy springcarrying capacity. Because in the process of strong compression, only when the surface material of the spring produces beneficial residual stress and strong working pressure, the compression will be affected, and only when the spring material produces strong compression (tension and torsion), the residual stress and plastic deformation will increase the elastic limit of the spring. Many hot springs are "fully" under strong compression of the 0.5 σB (tension) material, yielding deformation. However, the elasticity of each material has a certain elastic limit. Once it exceeds its limit, the material will not only produce plastic deformation, but also produce "complete yield" deformation.

The yield limit of different materials is also different. The yield limit value can only be determined after strength calculation and test. In addition, the effect of strong pressure (stretching and twisting) treatment is closely related to the shape and structure of the spring and the process method of strong pressure treatment. JustCopper alloy springIf the spiral is relatively large or the spiral lift angle is small, it is impossible to increase its bearing capacity through strong compression. The screw ratio and screw lift angle are designed for strong pressure. The experiment is certain. Therefore, it is not just a simple press spring, pull spring, pull spring or torsion spring, it can also immediately improve the load capacity.

General compression, tension and torsion springs do not have the necessary conditions for strong compression, except for high-stress copper alloy springs, but these conditions can be achieved through the "prefabricated high" process of the spring.

Comments on the pressure treatment of copper alloy spring are:

1. When considering the strong pressure treatment of the spring, the strong pressure design of the spring should be carried out first to determine whether the spring is suitable for strong pressure treatment.

2. After high pressure treatment, the mechanical properties of compression springs and torsion springs under high pressure treatment and high stress will be significantly improved.

For a tension spring with initial tension requirements, the initial tension will decrease or even disappear during the strong tension treatment. This spring does not withstand strong stretching. For the tension spring without initial tension, it is not easy to improve its carrying capacity by strong tension treatment.

4. The spring works under high temperature (above 60°C) and corrosive conditions, and is treated with strong pressure. It can only stabilize the size and cannot improve the bearing capacity.

The main products of Nantong Moore New Material Technology Co., Ltd. are GIL connector, beryllium cobalt copper, watchband contact finger, spring contact finger, special-shaped plum contact finger, composite watchband contact finger, charging pile current connector, chrome zirconium copper, copper alloy, copper alloy spring, etc. Nantong Moore New Material Technology Co., Ltd. is developed from its predecessor Nantong Moore Electric Co., Ltd., which is an enterprise specializing in the design, development and research of high-strength and high-conductivity alloy materials and electrical connection products. Companies in the industry has achieved a high degree of recognition and reputation of the majority of customers. The company in line with professional advanced, pioneering spirit, set up rigorous and pragmatic, the basic concept. To do a product, cast a boutique for the purpose of the enterprise, and give full play to the characteristics of flexible and diverse enterprises, intentions to serve every customer.

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