Heat treatment technology plays a crucial role in the production of main and auxiliary link forging. Through reasonable heat treatment process, the performance of forging can be significantly improved to meet the strict requirements of the engine. In this paper, the application of heat treatment in forging production of main and auxiliary connecting rod and its influence on forging performance will be discussed in detail.
Application of heat treatment in forging production of main and auxiliary connecting rod
Annealing treatment: Annealing is a process in which metal is heated to a high temperature, held for a period of time, and then slowly cooled. In the production of main and auxiliary link forging, annealing treatment is mainly used to eliminate the internal stress generated in the forging process and improve the plasticity and toughness of the material. By annealing treatment, the hardness of the forging can be reduced, making it easy to carry out subsequent cutting.
Quenching treatment: Quenching is the heating of the metal to a temperature above the critical point, and then rapid cooling to increase the hardness and strength of the metal. In the production of main and auxiliary connecting rod forgings, quenching treatment is usually used to improve the wear resistance and fatigue strength of the material. Through reasonable quenching process, the ideal martensitic structure can be obtained and the mechanical properties of forgings can be improved.
Tempering treatment: Tempering is the process of heating the metal below the critical point temperature after quenching, keeping it for a period of time and then slowly cooling it. The main purpose of tempering is to adjust the mechanical properties of the metal, eliminate internal stress, and improve toughness and plasticity. In the production of main and auxiliary link forgings, tempering treatment is usually used to stabilize the structure and properties of the material and prevent brittle fracture during use.
Influence of heat treatment on forging properties of main and auxiliary connecting rod
Improvement of mechanical properties: Through quenching and tempering treatment, the hardness and strength of the main and auxiliary connecting rod forging can be improved, so that it has higher wear resistance and fatigue strength. This helps to extend the service life of forgings and improve engine reliability and stability.
Optimization of organizational structure: A reasonable heat treatment process can improve the organizational structure of the main and auxiliary connecting rod forging, making it more uniform and dense. This helps to improve the toughness and plasticity of the material, reducing the risk of brittle fracture under extreme conditions.
Reduce internal stress and strain: annealing can effectively eliminate the internal stress and strain generated during the forging process and improve the stability of the material. This helps to reduce deformation or cracking caused by internal stress release during use.
Improve cutting performance: Through annealing treatment, the plasticity and toughness of the main and auxiliary connecting rod forging can be improved, making it easier to cut. This helps to improve production efficiency and reduce manufacturing costs.
In summary, heat treatment has significant application value and influence in the production of main and auxiliary connecting rod forgings. Through reasonable heat treatment process, the performance and quality of forging can be significantly improved to meet the strict requirements of the engine. Therefore, in the production process of the main and auxiliary connecting rod forging, we should pay full attention to the application and optimization of heat treatment technology to improve the reliability and stability of the product.
