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What are the practical applications of springs in daily life?

Springs have been widely used for a long time. It is an accumulator that has the function of storing energy.

At present, the widely used calculation formula of spring stress and deformation is derived from Strength of materials.

The selection of spring materials should be determined based on factors such as the nature of the load borne by the spring, stress state, stress magnitude.

The metal surface coating and organic coating of the spring should meet the requirements of dense, uniform and consistent coating (plating) layer, and firm bonding with the substrate.

In contact with acidic or salt solutions, which are electrolytes, electrodes with different potential differences are formed due to defects or impurities on the surface of the spring.

The stiffness of the spring is the load increment dF and the deformation increment d λ The ratio is the load required to generate unit deformation

In order to improve the wear resistance, corrosion resistance, and fatigue strength of powder metallurgy parts, surface treatment is required to make their surfaces more functional and compact.

Although both belong to bearing products, there are still significant differences between bearings and oil-free bearings, including basic performance, application, and other aspects.

Each processing method has its own processing sequence.

In recent years, China has continuously introduced advanced foreign technologies and combined them with independent development and innovation, resulting in a high-speed development trend in the po...

It is a high-tech process in which metal and other powders are processed, pressed, sintered, and subjected to necessary subsequent processing to produce mechanical components and metal products.