Six major technologies for the development of the mold industry "protect"

During the tenth five-year period, China’s mold industry grew rapidly, with an average annual growth rate of 20%. In 2005, the mold sales in the Chinese mold industry reached 61 billion yuan, up 25% over the previous year. With a total import volume of more than 2 billion dollars, the capacity of the Chinese mold market has reached around 80 billion yuan. During the 11th Five-Year Plan period, the world's manufacturing manufacturing bases accelerated their transfer to China. The rapid upgrading of China's manufacturing industry has driven the rapid development of the mold industry. In 2010, the sales volume of China's mold industry exceeded RMB 112 billion. The head of the International Mould and Hardware Plastic Industry Suppliers Association Luo Baihui said that the global economy will further recover in 2011, the mold industry will remain in a stable development, and the demand for high-quality precision molds will continue to increase. It is expected that during the 12th Five-Year Plan period, China's mold output value may exceed 250 billion.

At present, China's mold industry ranks among the top in the world, but most of them are concentrated in middle and low-grade areas, and their technical level and added value are low. According to the data provided by the China Die and Mould Industry Association, the precision, complex stamping dies and plastic molds, car cover molds, electronic connectors and other electronic product molds that are urgently needed in China’s manufacturing industry still rely heavily on imports. The import and export deficit of mold products exceeds 10%. Billions of dollars. The future fight is the core competitiveness of the product. It is the same at home and abroad. The Chinese mold industry needs to develop. I am afraid that both our company and the government will need to make efforts in technological innovation. Luo Baihui analysis pointed out that the mold industry should pay attention to structural adjustment, vigorously develop high value-added products, take the fine, specialized and strong lines, and create new growth points in the Blue Ocean.

Japan's mold production capacity accounts for about 20% of Asia, and more than 70% of labor costs in the mold industry are non-core technicians. Therefore, the mold industry in Japan is gradually shifting the production of low-tech mold parts to areas with low labor costs, such as China and Southeast Asia. Only high-tech products are produced in the country. Now Japan's mold prices have dropped by about 20% compared with 1998, which undoubtedly enhances the competitiveness of Japanese molds in the world mold market. Faced with the challenges of foreign advanced technologies and high-quality products, Luo Baihui pointed out that Chinese-funded mold enterprises must take a one-step step in the research and development of the front end of the mold industry chain, talent development, and testing and information services at the back end of the industrial chain to make the mold industry and even the entire industry. The upgrading of manufacturing industry will create a more secure and perfect industrial chain.

At present, the new round of expansion of international mold manufacturing giants investing and setting up factories in China is in full swing. Germany's Hella Jilin settled down; Japan's Toyota Mould Tianjin set up a plant; Finland's Belrose Company went into production in Shenzhen. This attractive big cake in the Chinese mold market attracts the attention of international mold companies like a magnet. With the shift of global manufacturing focus to China, it has provided a powerful driving force for the development of China's mold industry, and it has also raised increasingly high demands for domestic mold manufacturers. Luo Baihui believes that the current Chinese mold manufacturing companies must focus on improving product quality and reducing manufacturing costs, and realize a strategic shift from a mold country to a mold powerhouse.

Under the premise of rapid development of today's manufacturing industry, China has become a mold manufacturing country, the domestic mold industry has developed rapidly, China's mold industry is not only large-scale, but also more and more rich grades. According to reports, at present, the proportion of high-level molds represented by large-scale, sophisticated, complex, long-life molds has reached more than 35%, and the length of large-scale progressive molds has exceeded 3m. The automotive panel molds can already produce B-type vehicle molds. Precision mold processing precision can reach 0.5 micron; precision progressive mold can be used in 20002500 beats / min high-speed punch; plastic mold accuracy has reached the micron level, adapted to the needs of the development of the IT industry; single set of weight 120T, diameter Up to 4 meters of tire dynamic mold becomes the largest mold; hot runner mold and gas auxiliary mold has reached the international level; while CAD/CAM technology is popular, CAE technology is more and more widely used, CAD/CAE/CAM The integrated technology has been developed and achieved good results; the innovative results of the new mold structure, new varieties, new processes, and new materials have continued to emerge, and the number of patents has increased.

The multi-position progressive die and precision die represent the development direction of the stamping die, with high precision requirements and long life requirements, mainly for the IT electronic information industry, semiconductor precision components, terminal connectors, and mobile phone cases. According to Luo Baihui's analysis, IT mold has a fairly good foundation in China and has introduced advanced foreign technology and equipment. Individual products have reached world level, but most companies still have a certain gap, and their total supply is also in short supply. More. Supports for ultra-large scale integrated circuits, supporting lead frames of 100 feet or more and lead gaps of 0.2 mm or less, supporting precision miniature connectors with an accuracy of 5 mm or more, supporting miniature motor cores with a diameter of 1.6 mm or less, and providing tubes and electrons And other supporting precision molds are the top priorities for development. Luo Baihui said that in the future, the focus of the mold industry development will be to meet a large number of needs, but also have a higher technical content, especially in the current domestic can not be self-sufficient, need to import a large number of molds and can represent the direction of development of large, sophisticated, complex, long life Die, in addition to China's mold products in the international market occupies a large price advantage, good export prospects will also become the focus of development.

Luo Baihui said that there are many types of molds and different technical requirements. During the 12th Five-Year Plan period, mold technology should be developed toward industrialization. Six key technologies are widely promoted as guidelines for the development of mold industry technologies.

1. Digital design and manufacture of moulds and enterprise information management technology The digital design and manufacturing of moulds and enterprise information management technologies are internationally recognized as effective technical means for improving the overall level of the mold industry, which can greatly increase the efficiency of mold production and product quality, and improve The comprehensive level and benefits of the enterprise. High-tech molds represented by large-scale, sophisticated and complex molds are currently imported in large quantities, and imported molds account for about 50% of the domestic high-end mold market. Compared with the advanced international level, we have a gap of about 5-10 years for such high-tech molds. The gap is mainly manifested in accuracy, longevity, manufacturing cycle, and stability and reliability of use. The backwardness of digital design and manufacturing technology of moulds is one of the most important reasons for the backwardness of products.

Although this technology is currently used in different degrees in China, high-end software mainly relies on imports, domestic development capability is weak, and application level is low. According to Luo Baihui, the key technologies included in the technology include: mold optimization design and CAD/CAM/CAE integration technology, especially three-dimensional design and computer simulation simulation analysis technology, mold modularization, integration, and collaborative design technology ; Die and Mould Enterprise ERP, PDM, PLM, MES and other information management technology; rapid prototyping and rapid tooling technology; virtual network technology and the establishment of public service platforms. Through the breakthrough of these key technologies, we can greatly improve the independent innovation capability and market competitiveness of mold enterprises, effectively increase the domestic market satisfaction rate of high-tech molds, and export them in large quantities, thereby increasing the overall level of China's mold industry and the efficiency of enterprises.

2. Large-scale and precision stamping die design and manufacturing technology Die size and precision have always been an important development trend. The application of stamping forming technology for high-strength plates and unequal thickness laser welding plates has become more and more common. High-strength steel plate hot stamping and forming The application of stamping and forming technology for large-scale aluminum alloy plates in automobile production is also increasing. As the operating speed of high-speed presses is getting higher and higher, the pitches of ICs are getting more and more detailed, the accuracy of connectors is getting higher and smaller, and the volume is getting smaller and smaller. Therefore, ultra-precision machining is further developed. However, at present, the molds of China's Class B and above mid- to high-end cars and VLSI and precision electronic products mainly rely on imports. Large-scale multi-position progressive dies for auto parts and components have just started, and sheet metal hot stamping forming and molds Technology has just started in the country and it is basically still blank. The level of mold production technology has become an important factor affecting the improvement of the independent innovation capability of China's auto and high-end electronic products. The improvement of the production technology for large-scale and precision stamping dies will not only improve the performance and independent innovation capability of automobiles and high-end electronic products, but also drive the overall level of the mold industry.

According to Luo Baihui, the key technologies included in this technology are: automotive large-scale cover mold production technology; large-scale multi-position progressive die production technology for automotive parts; and high-strength plate and unequal thickness welded cold stamping die production technology High-strength plate hot press forming and mold production technology; Thick plate fine stamping mold production technology; Die with an accuracy of 0.001mm, for the lead frame over lead leg 100 and pitch 0.15mm below the lead frame and ultra-large-scale integrated circuit supporting mold, Precision micro-connectors that are more than 5m in accuracy and special mold production technologies such as extra-large (400mm or more) ultra-small (under 16mm) special type (pen type, etc.), and high-demand kinescopes, electron guns, etc.

3. Large-scale and precision plastic mold design and manufacturing technology With the progress of society and the rapid development of industry, users have become increasingly demanding for plastic molds, and the proportion of plastic molds has also increased year by year. The proportion has accounted for 45 of the total number of molds. %about. As a modern industrial foundation mold, not only must meet the needs of the production of parts, but also to meet the needs of the production of components, but also to meet the product's lightweight and production of energy saving and environmental protection and other requirements. Nowadays, automotive, light industry, electromechanical, telecommunications, building materials and other industries and emerging industries such as aerospace, new energy, and medical care have become increasingly demanding for plastic parts and requirements. Therefore, the vigorous development of large-scale and precision plastic mold production technology has now become one of the important links to improve the level of mold manufacturing in China. The importance of some new plastic forming technologies and corresponding mold development is particularly prominent, and it is of great significance for improving the efficiency of industrial production, saving energy and reducing consumption, and environmental protection.

According to Luo Baihui, the key technologies included in the technology are: hot runner technology and its rational application on precision injection molds; multi-injection head plastic packaging mold production technology; injection molding machines with injection force above 1000 tons and 200 tons or more Compression presses supporting large-scale plastic molds and precision injection mold production technology with precision of 0.01mm or more; multi-color and multi-material mold production technologies; metal and plastic parts mold production technology; different plastic parts stack mold production technology; Traces no need for plastic injection mold production technology for surface processing of plastic parts; plastic mold assembly and decoration technology and hot pressing rapid traceless forming technology; new plastic and multilayer composite material forming technology and mold technology; gas and liquid and other auxiliary Injection molding technology and mold technology; co-extrusion of plastic profiles and high-speed extrusion mold production technology.

4, large-scale precision casting mold design and manufacturing technology Casting mold matching for the casting process, mainly pressure casting mold (die casting mold), low pressure casting mold, gravity casting mold, boxless extrusion casting mold and precision casting mold, mold level casting The level of influence is great, and the production technology of large-scale precision casting molds is also very difficult. At present, due to the low level of casting molds, the phenomenon of large heads and poor quality of castings is still quite common. There are also many large-scale precision casting molds imported. The improvement of this mold production technology will be of great significance for improving the quality of castings, developing new types of castings, and improving the near net processing level. According to Luo Baihui, the key technologies included in this technology are: Magnesium alloy die-casting molds, large die-casting molds for over 2,000 tons of clamping force die-casting machines, and precision die-casting molds with precision of 0.03 mm or more; mold product weight More than 10 kilograms, low-pressure casting molds with an accuracy of 0.05 mm and gravity-casting mold manufacturing techniques with an accuracy of 0.07 mm; no-cassette extrusion molding molds for automatic molding lines.

5, high-grade radial tires active mold design and manufacturing technology radial tire has its unique pattern shape, high-grade radial tire dynamic mold needs to be designed into a special and complex three-dimensional structure, its roundness, uniformity, geometric accuracy The requirements are particularly demanding in order to ensure the comfort, high speed and safety of the tires, which reflect the tire's gripping performance, heat dissipation, cornering performance, slip resistance and drainage performance. It is the most personalized and the only dynamic mold in the mold family. In order to accurately reflect the tire tread pattern on the tire through the tire mold, the modern tire mold design and manufacturing process must use CAD/CAM/CAE technology to convert the tire tread pattern to the tire mold parameters, complete the tire mold pattern modeling and structure Digital design, digital programming of manufacturing process, generation of NC programs, precision machining by CNC machine tools, the entire design and manufacturing process is completely transmitted through the digital information in the internal LAN, digital design, digital transmission, digital processing, digital inspection and A series of sophisticated technologies such as management. According to Luo Baihui, the key technologies included in this technology are: aluminum alloy precision casting and forging technology; block block combination machining and precision sliding coordination control technology; mold clamping concentricity and precision control technology; CAD/CAM / CAE technology and CNC precision machining and compound processing technology; high-speed parallel processing technology; mold comprehensive heat treatment and surface treatment technology, vacuum processing technology; mold intelligent network manufacturing technology.

6, high-grade mold standard parts production technology Standard mold parts are the basis of the mold, extensive use of mold standard parts not only can shorten the mold production cycle and improve mold quality, but also reduce mold production costs and help mold maintenance. At present, the production of mold standard parts in China lags behind mold production. Some high-grade mold standard parts are still blank so far they have to be imported. Only the two mold standard parts that have the greatest impact on the mold production are selected as breakthroughs. This is a high-pressure nitrogen cylinder for molds with a lifetime of 1 million cycles and a hot runner and system with a temperature control of 1°C. In addition, the oblique ramming mechanism plays a very important role in the stamping dies. The non-oil lubricating push rod push tube is also very important in the precision plastic dies. It also belongs to the high-grade mold standard parts that should be developed vigorously. Breakthroughs in the production technology of these products will help improve the level of large precision molds in China. According to Luo Baihui, the key technologies are: precision machining technology for pistons, piston rods, and cylinders; high-reliability sealing and safety technology; hot runner materials and precision temperature control technology; precision machining of hot runner nozzles; plastics in molds Three-dimensional computer simulation analysis technology for cavity flow; new high-grade inclined concrete design technology and research and development and processing technology for oil-free lubrication and wear-resistant materials.