Forging process of auto parts
The preparation of forgings for auto parts includes raw material selection, material calculation, blanking, heating, calculation of deformation force, selection of equipment, and design of molds.
Before the forging of auto parts, it is necessary to choose the lubrication method and lubricant. Forging materials cover a wide range of surfaces, including steels and high-temperature alloys of various grades, as well as non-ferrous metals such as aluminum, magnesium, titanium, and copper; both have been processed into rods and profiles of different sizes, and various types. Specifications of ingots; in addition to a large number of domestic materials suitable for China’s resources, there are materials from abroad.
Most of the materials used in automotive parts forgings have been included in national standards, and many are new materials developed, tested and promoted. As we all know, the quality of products is often closely related to the quality of raw materials. Therefore, for forging workers, it is necessary to have the necessary material knowledge, and be good at selecting the most suitable materials according to the process requirements.
Calculating and unloading is one of the important links to improve material utilization and achieve blank refinement. Excessive materials not only cause waste, but also exacerbate mold wear and energy consumption. If the blank is not left blank, it will increase the difficulty of process adjustment and increase the scrap rate. In addition, the quality of the blanking end face also has an impact on the quality of the process and forgings.
The purpose of heating is to reduce the forging deformation force and to improve the metal plasticity. But heating also brings a series of problems, such as oxidation, decarburization, overheating and overburning. Accurate control of the initial forging and final forging temperatures has a major impact on product organization and performance.