1. The effect of the simulation of the stamping process […]
1. The effect of the simulation of the stamping process (CAE) is more prominent
In recent years, with the rapid development of computer software and hardware, the simulation technology of stamping process (CAE) has played an increasingly important role. In developed countries such as the United States, Japan, and Germany, CAE technology has become an essential part of the mold design and manufacturing process. It is widely used to predict forming defects, optimize stamping processes and mold structures, improve the reliability of mold design, and reduce mold trial time. Many domestic auto mold companies have also made significant progress in the application of CAE and achieved good results. The application of CAE technology can greatly save the cost of trial mold and shorten the development cycle of stamping mold, which has become an important means to ensure the quality of mold. CAE technology is gradually transforming mold design from empirical design to scientific design.
2. The rapid development of mold processing automation
Advanced processing technology and equipment is an important foundation for improving productivity and ensuring product quality. It is not uncommon for advanced automotive mold enterprises to be equipped with dual-table CNC machine tools, automatic tool changers (ATC), photoelectric control systems for automatic processing, and online measurement systems for workpieces. CNC machining has evolved from simple profile machining to comprehensive machining of profile and structural surfaces, from low to medium speed machining to high speed machining, and processing automation technology has developed very rapidly.
3. High-strength steel stamping technology is the future development direction
High-strength steel has excellent characteristics in terms of yield strength ratio, strain hardening characteristics, strain distribution capability and collision energy absorption, and its use in automobiles is increasing. At present, the high-strength steels used in automotive stamping parts mainly include paint hardened steel (BH steel), dual-phase steel (DP steel), and phase-induced plasticity steel (TRIP steel). The International Ultra-light Body Project (ULSAB) expects that 97% of the advanced concept models (ULSAB-AVC) launched in 2010 will be high-strength steel, and the proportion of advanced high-strength steel plates in vehicle materials will exceed 60%, of which dual-phase The proportion of steel will account for 74% of automotive steel plates.
4. New mold products launched in time
With the development of efficient and automated automobile stamping production, progressive dies will be more widely used in the production of automobile stamping parts. Progressive die is a high-tech die product with high technical difficulty, high manufacturing accuracy requirements, and long production cycle. The multi-station progressive die will be one of the key mold products developed in China. Stamping parts with complex shapes, especially some According to the traditional process, small and medium-sized complex stamping parts that require multiple pairs of dies to be punched in sequence are increasingly formed by progressive dies.