Metal stamping parts, metal shrapnel is a product we use more. The material of shrapnel is generally determined according to the use and performance of shrapnel, such as the need for physical resilience, high frequency of use and high pressure. Generally choose spring steel, carbon steel or high hardness stainless steel. After forming, heat treatment and quenching can reduce the carbon content and increase the service life of the shrapnel by increasing the hardness
For example, it is easy to use beryllium copper to improve the physical properties, such as the ability of welding. The requirements can be achieved by surface treatment such as electroplating (gold, silver, nickel, tin, etc.).
The characteristics of mobile phone shrapnel are: it has conductive shrapnel. Because of different application fields, it has different shapes and needs to be made by open die stamping. After the metal sheet is made into shrapnel by mold, it has physical resilience. If the frequency of use is higher, the pressure is larger. One side is the choice of spring steel, stainless steel. After forming, heat treatment and quenching can reduce the carbon content and increase the pressing service life of the shrapnel by increasing the hardness. If the use environment is special, electroplating can be done in the process of shrapnel processing to achieve physical properties such as easy welding, acid and alkali resistance, and increased conductivity. Such as mechanical shrapnel, mobile phone key shrapnel, battery shrapnel, etc.
Furthermore, for electronic communication and other digital products, the main process performance requirements are mainly reflected in the accuracy, conductivity, weldability. Therefore, the use of copper to process shrapnel products is generally designated to use a fixed brand / hardness of copper, such as phosphor copper, beryllium copper, red copper, brass, bronze, etc.