Future development and demand forecast of China's automobile stamping die
January 12 11:09:49, 2023
With the rapid development of the automotive industry, what is the future development trend of automotive stamping dies, and what changes are taking place in the equipment manufacturing industry? Mr. Yan Kexin, Chairman of China Die & Mould Industry Association and General Manager of FAW Mould Manufacturing Co., Ltd. warned that China's automobile mold industry must be fully prepared to take responsibility for the rapid development of the automotive industry in the future.2011 is the first year of the “Twelfth Five-Year Planâ€. According to the analysis of the automobile industry, Chinese autos still need to grow rapidly during the “Twelfth Five-Year Plan†period. By 2015, China’s total automobile production and sales will exceed 35 million units. Zhai always believes that this is indeed a once-in-a-lifetime opportunity for the development of China's automobile molds, but it is also a very serious challenge. China's automotive mold industry must be fully prepared to take responsibility for the rapid development of the automotive industry in the future. To this end, Zhai always explained the judgment of the future situation from the following four aspects, and pointed out the direction of progress for us.(1) The rapid development of the automobile industry will make the competition between automobile companies more intense and the cost pressure will be greater and greater. I know that automotive companies must improve their efficiency by achieving high-volume automated production to address this pressure. In addition, automotive companies are increasingly demanding mold technology, and the demand for large-scale automation, intelligent, and high-speed molds is growing rapidly. There will be more requirements for large-scale automated molds with one mold and even one mold and four pieces, which poses new challenges for mold development and manufacturing.褚 General requirements mold companies must keep up with the development of the automotive industry, in advance in the design, process, materials and other aspects of preparation. (2) With the continuous improvement of the capabilities of independent auto companies and the implementation of the platform strategy for the development of auto products, products of a variety of models will be introduced continuously, so that a variety of body parts will have more stamping parts, resulting in the demand for molds. In order to meet the needs of automotive platformization, the demand for large multi-station rapid molds and large-scale progressive molds will increase rapidly. For the development and manufacture of such molds, the gap between China and advanced countries is still relatively large.(3) Facing the development of the “Twelfth Five-Year†automobile industry, the task of China's automobile mold industry is to keep up with the development of automobiles to meet the demand for automobile molds. Zhai always pointed out that China is a big mold manufacturing country and a big automobile mold manufacturing country, but it is not a mold manufacturing country. Big but not strong is the gap. Our automobile mold industry structure is not reasonable, the number of enterprises is large, the scale is large, and the equipment is equipped. It is so eye-catching that the production capacity of low-end products is excessive, while the production of high-end products is insufficient and the specialization ability is not strong. It is still a big problem in the development process of the mold industry. I always believe that this phenomenon will change with the development of the automobile industry and the baptism of market competition.(4) China's automobile mold enterprises have achieved rapid progress in the past decade, and the world's advanced countries basically do not have such a large-scale automobile mold production enterprise. General Manager General: It can be said that the world's largest mold company is now in China, the largest mold company in China, the most equipment is also in China, but there are still gaps with international companies, mainly in two aspects: First, There is still a gap in the process development design of high-end products, which is one of the reasons why mold imports remain high; second, the management level needs to be rapidly improved. That is to say, our equipment has reached the world level. How to fully play its role, improve efficiency and scientific management is still a very important task for enterprises. The automobile mold enterprise is a single-piece production, and there is almost no identical product. The automobile mold development and manufacturing process is also a continuation of the automobile product development process, which makes the management of the mold enterprise much more complicated than the general automobile flow production management, and more variables will be Throughout the entire process of mold development and manufacturing, technical capabilities and management levels determine the rise and fall of enterprises, and how to improve capabilities and levels has always been the goal pursued by business managers.At the beginning of April 2011, he had the opportunity to visit the German Volkswagen at the Wolfsburg and the Bolshevik Automotive Mould Factory and Audi's Auto Mould Factory in Ingstadt, all of which are produced by Volkswagen and Audi. The high-end molds and special molds required, with their own proprietary technology and standards, represent the highest level of development and manufacturing of today's automotive molds. The traditional single-piece production through the information technology, to achieve automated flow production, to solve the long-term troubled mold Management problems. In the mold processing workshop, dozens of unmanned trolleys with worktables are transported between the CNC machining centers with the machined parts. All the processes are processed on different equipment according to the information instructions, and the assembly is delivered on time according to the planned time. Work stations, large mold assembly and commissioning also realized the production mode of flow operation. He always called it a revolution in the production management of automobile molds.From the process, tool, machine tool, measurement, software design and manufacturing, 褚 has reviewed the new development of high-efficiency advanced mold manufacturing technology and equipment.(1) Process technology The mold manufacturing technology has been rapidly developed under the promotion of CNC machining technology. At present, the mold manufacturing technology with CNC machining as the main body has been formed. In the early stage, CAE analysis has accumulated and matured and the precision of CNC machining is guaranteed. Next, the post-work is gradually simplified, and the mold manufacturing cycle is greatly shortened.(2) The development of cutting tools is changing with each passing day. A wide variety of tools are emerging one after another. However, the efficient use of tools is closely related to many aspects (equipment status, workpiece status, environmental status, etc.). How to effectively use tool parameters according to external factors is very important. The pursuit of new tools is neglected, and neglecting the correct and reasonable use of tools is the key blind spot. At the same time, tool costs account for a large proportion of mold costs, and it is important to find a correct balance between cost and efficiency.(3) High-speed cutting technology for machine tools is the main development direction of high-efficiency advanced mold manufacturing technology. The machine tool manufacturing industry is also the main target to improve and improve the machine tool precision. There are two factors here: the maintenance and use in use. Normal maintenance. Correctly solving these two factors will provide a strong guarantee for the manufacturing precision and manufacturing cycle of the mold.(4) Software programming technology is the core technology in CNC machining, all kinds of programming software have their own advantages, but the main development direction is reflected in: 1 efficient calculation speed. 2 rich processing strategies. 3 program security protection. 4 timely after-sales response.(5) The importance of measurement in measurement is mainly reflected in two aspects: pre-processing inspection and post-processing inspection. At present, the importance is mainly reflected in the post-processing inspection, and the pre-processing inspection is often ignored. At present, the state of processing various parts of the workpiece is not very stable. Pre-processing inspection is very necessary to find the problem, and it is necessary to form a pre-plan. The problem-solving link is pre-positioned. For efficiency improvement, cost control is very important.The key points and difficulties of high-efficiency processing of dialysis molds arealways aimed at the thorny problems that mold manufacturing enterprises often encounter in improving the precision and efficiency of mold processing, and propose the service direction of mold manufacturing equipment providers.1. CNC machine tool dynamic tool measurement and tool compensationmold surface automation high-speed machining has become the industry consensus, in the automatic machining process, the machining accuracy mainly depends on the measurement and precision compensation of the machining tool. At present, the tool measuring equipment of most CNC machining equipments in China is mainly based on the contact type knife measuring instrument. The advantage lies in the low processing cost. However, the contact type knife is a static tool that cannot measure the tool length under high-speed rotation of the tool. The surface finishing process of large outer cover parts is long, and the blade needs to be replaced during the process. The accuracy of automatic tool measurement cannot meet the precision requirements of the drawing die of the outer cover of high-grade cars. Therefore, the development and promotion of the use of affordable dynamic tool tester will be the best solution.2. Superhard material processingWith the introduction of new technologies such as high-strength plates and long-life molds, the hardness of mold materials has also been continuously improved. The hardness of some of the whole quenched alloy steels has reached 55HRC or more. With the existing technology, not only the processing precision is poor, but also Processing efficiency is also very low. How to achieve high-hardness alloy steel quenching parts with high efficiency and high precision processing has become an important issue. This requires joint efforts between manufacturing equipment suppliers and mold manufacturers to strive for breakthroughs in process optimization and tool materials improvement.(1) Equipment manufacturers should pay sufficient attention to after-sales service and technical support, such as machine tool spare parts, supply of wearing parts, and response speed of equipment maintenance and repair.(2) At present, China's mold manufacturing industry is developing rapidly, and the demand for CNC machining equipment is also growing rapidly. It is recommended that equipment manufacturers pay more attention to the on-site processing needs of the mold manufacturing industry, taking into account the versatility of equipment during equipment development. Professionalism, adding some auxiliary functions for mold processing. For example: the workpiece quickly locates and clamps the way, the machine tool overload protection function, in the software function settings and hardware prevention, there are more "gates" to improve the safety of the equipment operation.
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