Automobile leaf spring is the most traditional elastic element in automobile suspension system. It is widely used because of its good reliability, simple structure, short manufacturing process, low cost and simplified structure. The production process of leaf spring is blanking-straightening-drilling-heating-rolling-quenching+medium temperature tempering-shot peening-assembly-precompression. For our industry, heating is the most important. Because the quality of heating is directly related to the quality of the leaf spring roll ears.
Now, more and more manufacturers use medium-frequency induction heating equipment to heat and heat-treat leaf springs. According to them, the leaf spring heated by intermediate frequency heating equipment has no oxidation and decarburization, and has no cracks, deformation, over-burning and other defects, which greatly improves the heating quality of the leaf spring and lays a solid foundation for the execution of the next process. good foundation.
The heating of the leaf spring actually requires heating both ends of the leaf spring. Traditional equipment is used for heating. Due to the limitations of the equipment, it is generally heated as a whole, which not only wastes resources, but also affects the heating effect. However, medium frequency induction heating equipment is different. When it heats and heats the leaf spring, because the inductor is a profiling inductor made according to the specification of the leaf spring, it can realize the requirement of locally heating and heat-treating the leaf spring.
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