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Currently, the global automotive mold industry presents nine major trends, namely: the role of simulation (CAE) stamping process becomes more prominent, the mold 3D design status to be consolidated, the digital mold technology has become the mainstream, the rapid development of automated mold processing, high strength Steel stamping technology is the future direction of development, timely introduction of new mold products, mold materials and surface treatment technology will be reused, scientific management and information technology is the development direction of mold, mold refinement is an inevitable trend. stainless steel CNC machining parts Bulk Production.
Stamping process simulation (CAE) role even more prominent
In recent years, with the rapid development of computer software and hardware, the simulation technology of press forming (CAE) plays 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 the forming defects, optimize the stamping process and mold structure, improve the reliability of mold design and reduce the mold test time.
Many domestic automobile mold enterprises also made significant progress in the application of CAE and obtained good results. The application of CAE technology can greatly save the cost of trial mold, shorten the development cycle of stamping mold, has become an important tool to ensure the quality of the mold. CAE technology is gradually changing the mold design from experience design to scientific design.CNC machining for aluminum Bulk Production
Mold 3D design status to be consolidated
Three-dimensional mold design is an important part of digital mold technology is to achieve mold design, manufacture and testing integration foundation. Japan Toyota, GM and other companies have achieved the three-dimensional mold design, and achieved good results. Foreign three-dimensional mold design in the number of practices we should learn from. In addition to the three-dimensional mold design is conducive to the realization of integrated manufacturing, another advantage is that it is easy to interfere with the inspection, the movement of interference analysis, to solve a problem in two-dimensional design.
Digital mold technology has become the mainstream direction
In recent years, the rapidly developing digital mold technology is an effective way to solve many problems faced in the development of automotive molds. The so-called digital mold technology, that is, computer technology or computer-aided technology (CAX) in the mold design and manufacturing process.CNC turning aluminium product Bulk Production.
Summarizes the successful experience of the domestic and foreign automobile mold enterprises applying computer aided technology. The digital automobile mold technology mainly includes the following aspects:
① Design for Manufacturability (DFM), which considers the design and analysis of manufacturability, to ensure the success of the process.
② mold surface design of assistive technology, the development of intelligent design technology.
③CAE auxiliary analysis and simulation of stamping process, prediction and resolution of possible defects and forming problems.
④ with three-dimensional mold structure design to replace the traditional two-dimensional design.
⑤ mold manufacturing process using CAPP, CAM and CAT technology.
⑥ under the guidance of digital technology to solve the problem of stamping process and stamping process.
Mold processing automation rapid development
Advanced processing technology and equipment to improve productivity and ensure product quality is an important foundation. Among the advanced automotive mold companies, it is not uncommon for CNC machine tools with double tables, automatic tool changers (ATCs), optoelectronic control systems for automatic processing, and in-line measurement systems for workpieces. CNC machining has been developed from a simple profile to the profile and the surface of the full range of processing, from low-speed processing to the development of high-speed processing, processing automation technology has developed rapidly. Titanium CNC machining milling accessories Bulk Production
High-strength steel stamping technology is the future direction of development
High-strength steels are used more and more in automobiles because of their excellent characteristics in yield strength, strain hardening, strain distribution and collision energy absorption. At present, the high-strength steel used in automotive stamping parts mainly include hardened steel (BH), DP steel, TRIP steel, and the like. 97% of the ULSAB-Advanced Concept Models (ULSAB-AVC) are high-strength steels and advanced high-strength steels will account for more than 60% of the total automotive material, with the proportion of duplex steels Will account for 74% of the car plate. Now, a large number of soft steel series, mainly IF steel will be replaced by high-strength steel series, high-strength low-alloy steel will be replaced by dual-phase steel and ultra-high-strength steel.
At present, the application of domestic high-strength automotive parts is still more limited to the structural parts and beam parts, the tensile strength of the materials used in more than 500MPa, therefore, quickly grasp the high-strength steel stamping technology, China's automobile industry is urgently needed to solve a die important question.Aluminum cnc machining for metal parts Bulk Production
The timely introduction of new mold products
With the development of automobile stamping production efficiency and automation, progressive die in the production of automotive stamping parts will be more widely used. Complicated shape of the stamping parts, in particular, some of the traditional process requires more than one punch punching small and medium-sized complex stamping parts, more and more use of progressive die forming.
Progressive die is a high-tech mold products, technical difficulties, high precision manufacturing requirements, long production cycle. Multi-position progressive die will be our focus on the development of one of the mold products.
Mold materials and surface treatment technology will be reused
Mold material quality and performance are the impact of mold quality, life expectancy and cost of an important factor. In recent years, in addition to constantly have a variety of high toughness and high wear resistance of cold work die steel, flame quenching cold work die steel, cold rolled powder metallurgy die steel introduced, foreign medium and large stamping die cast iron material selection is a worthwhile Concerned about the development trend. Ductile iron has good toughness and wear resistance, its welding performance, workability, surface hardening properties are better, and the cost is lower than the alloy cast iron, therefore, more used in automotive stamping die.
Scientific management and information technology is the development of mold enterprises
Another important aspect of the development of automotive mold technology is the scientific management and information technology. The scientific management has enabled the mold enterprises to continue to develop toward Just-in-Time Manufacturing and Lean Production. The management of the mold enterprises is more accurate, the production efficiency is greatly improved, the invalid institutions, links and personnel are streamlined continuously. Aluminum custom cnc machining parts Bulk Production
With the progress of modern management technology, many advanced information management tools, including enterprise resource management (ERP), customer relationship management (CRM), supply chain management (SCM), project management (PM) Be widely used.
Fine mold manufacturing is an inevitable trend
The so-called mold fine manufacturing, is the mold development process and manufacturing results, specifically as follows: stamping process and die structure design rationalization, high precision mold processing, high reliability of mold products and technology management Tightness. In fact, the manufacture of molds is not a single technology, but a comprehensive reflection of the design, processing and management technologies. Mold refinement to achieve the realization, in addition to technical excellence, but also rely on strict management to protect.