In modern industrial production, 60% to 90% of industrial products require the use of molds, and the mold industry has become the basis for industrial development. According to the prediction of the International Production Technology Association, 75% of the rough processing of machinery manufacturing industry parts in the 21st century and 50% of the finishing process need to be completed by molds, among which the automobile, electrical appliance, communication, petrochemical and construction industries are the most prominent.
As a high value-added technology-intensive product, mold technology has become an important indicator for measuring the manufacturing level of a country. As early as the development of CAD/CAM technology, CAD/CAM was absorbed by the mold manufacturing industry. At present, there are about 20,000 mold manufacturing enterprises in China, and they are growing at a rate of 10% to 15% per year. In the mold industry output value of about 40 billion yuan, enterprises that produce their own molds account for about 2/3, and 50% to 60% of enterprises use CAD/CAE/CAM/PDM technology. Mold-related CAD/CAE/CAM technology has always been a hot topic in research and development, education and training.
First, the degree of specialization of mold CAD/CAM system is continuously improved
With the rapid development of the mold industry and the importance of CAD/CAM technology, it has been widely recognized by the mold industry. In recent years, CAD/CAM developers have invested a lot of manpower and material resources to transform the general CAD/CAM system into a mold industry. The CAD/CAM system has introduced a special system that is pleasant, integrated and intelligent for the characteristics of various types of molds, and has been well received by the majority of mold workers. For example, the Quick series launched by Cimatron in Israel can use a unified database to complete product design and generate 3D solid models in a unified series environment. Based on this, automatic classification is performed to generate convex and concave molds and complete molds. The structural design makes it easy to perform automatic NC machining on the convex and concave molds. Another example is the PowerSHAPE system introduced by DELCAM in the UK, including the PSMoldmaker module. It is an expert system for mold assembly design for mold manufacturing. It can automatically create mold structure and core-pulling mechanism for complex injection molds and blow molds, and automatically produce parting surfaces. The information is automatically packaged and exported directly to the PowerMILL module, which automatically generates the machining program. A design module dedicated to injection molds has also been added to SpaceE in the 3D CAD/CAM system of Nippon Shipbuilding Information Systems Co., Ltd. CADCEUS, which is specially designed for plastic mold design and manufacturing systems, is also featured in UNISYS, Japan. The system combines all the functions required for plastic product design from product shape design, mold design to mold production, with emphasis on 3D design and The association of dimensional views reflects the technological advancement in terms of personalization and integration.
Second, the system integration solution for CAD/CAE/CAM technology for mold enterprises
With the technological advancement of the mold industry and the increasingly fierce international competition, the requirements of the mold industry for CAD/CAM systems have changed from simple modeling tools to product information management integration that requires support from design, analysis, management and processing. system. In recent years, many research institutes and companies have developed CAD/CAE/CAM system integration solutions for mold companies, showing a high level of practicality. The National Mold Engineering Center of Shanghai Jiaotong University has formed a comprehensive solution capability in digital manufacturing, system integration, reverse engineering, rapid prototyping/mold and computer-aided application technology, and can provide mold development and engineering services. Comprehensively improve the level of mold companies and product quality. Another example is Zhejiang University Xuri Technology Development Co., Ltd., which can provide comprehensive technical support for product design, 3D modeling and NC programming, reverse engineering, coordinate measurement, mold design and analysis, technical training and mold CAD/CAE/CAM technology development. . The CAXA brand series CAD/CAE/CAM software from Beihanger Software Co., Ltd. can also provide users with comprehensive solutions for mold engineering.
It is worth noting that the internationally renowned CAD/CAM technology group is working hard to integrate digital analysis products into the CAD/CAM platform. Because digital analytics products are widely used in aerospace, automotive, electronics, medical equipment, and heavy machinery, simulation software is targeted at these growing CAE markets. According to Daratech, a senior analysis company in the world's leading product lifecycle management (PLM) market, the annual growth rate of the CAE market will remain at 10.3% by 2007.
Manufacturers demand lower cost and faster time-to-market by reducing physical prototypes and improving product quality, a requirement that is particularly acute in the mold manufacturing industry. Therefore, strengthening the analysis and simulation in the early stage of the design process will help reduce the demand for physical prototypes and increase the flexibility of digital design. For example, the integration of NXNastran into the EDSCAE product package will further strengthen the importance of analytics-driven design technology, helping users to continuously develop new products while reducing costs and time to market. Another example is that Dassault Systèmes has integrated MSC's Nastran CAE technology products into the CATIA system and won the favor of Toyota Japan.
Therefore, integrating digital analysis technology in mold CAD/CAM technology and obtaining a complete CAD/CAE/CAM solution is an important development direction at present.
As a high value-added technology-intensive product, mold technology has become an important indicator for measuring the manufacturing level of a country. As early as the development of CAD/CAM technology, CAD/CAM was absorbed by the mold manufacturing industry. At present, there are about 20,000 mold manufacturing enterprises in China, and they are growing at a rate of 10% to 15% per year. In the mold industry output value of about 40 billion yuan, enterprises that produce their own molds account for about 2/3, and 50% to 60% of enterprises use CAD/CAE/CAM/PDM technology. Mold-related CAD/CAE/CAM technology has always been a hot topic in research and development, education and training.
First, the degree of specialization of mold CAD/CAM system is continuously improved
With the rapid development of the mold industry and the importance of CAD/CAM technology, it has been widely recognized by the mold industry. In recent years, CAD/CAM developers have invested a lot of manpower and material resources to transform the general CAD/CAM system into a mold industry. The CAD/CAM system has introduced a special system that is pleasant, integrated and intelligent for the characteristics of various types of molds, and has been well received by the majority of mold workers. For example, the Quick series launched by Cimatron in Israel can use a unified database to complete product design and generate 3D solid models in a unified series environment. Based on this, automatic classification is performed to generate convex and concave molds and complete molds. The structural design makes it easy to perform automatic NC machining on the convex and concave molds. Another example is the PowerSHAPE system introduced by DELCAM in the UK, including the PSMoldmaker module. It is an expert system for mold assembly design for mold manufacturing. It can automatically create mold structure and core-pulling mechanism for complex injection molds and blow molds, and automatically produce parting surfaces. The information is automatically packaged and exported directly to the PowerMILL module, which automatically generates the machining program. A design module dedicated to injection molds has also been added to SpaceE in the 3D CAD/CAM system of Nippon Shipbuilding Information Systems Co., Ltd. CADCEUS, which is specially designed for plastic mold design and manufacturing systems, is also featured in UNISYS, Japan. The system combines all the functions required for plastic product design from product shape design, mold design to mold production, with emphasis on 3D design and The association of dimensional views reflects the technological advancement in terms of personalization and integration.
Second, the system integration solution for CAD/CAE/CAM technology for mold enterprises
With the technological advancement of the mold industry and the increasingly fierce international competition, the requirements of the mold industry for CAD/CAM systems have changed from simple modeling tools to product information management integration that requires support from design, analysis, management and processing. system. In recent years, many research institutes and companies have developed CAD/CAE/CAM system integration solutions for mold companies, showing a high level of practicality. The National Mold Engineering Center of Shanghai Jiaotong University has formed a comprehensive solution capability in digital manufacturing, system integration, reverse engineering, rapid prototyping/mold and computer-aided application technology, and can provide mold development and engineering services. Comprehensively improve the level of mold companies and product quality. Another example is Zhejiang University Xuri Technology Development Co., Ltd., which can provide comprehensive technical support for product design, 3D modeling and NC programming, reverse engineering, coordinate measurement, mold design and analysis, technical training and mold CAD/CAE/CAM technology development. . The CAXA brand series CAD/CAE/CAM software from Beihanger Software Co., Ltd. can also provide users with comprehensive solutions for mold engineering.
It is worth noting that the internationally renowned CAD/CAM technology group is working hard to integrate digital analysis products into the CAD/CAM platform. Because digital analytics products are widely used in aerospace, automotive, electronics, medical equipment, and heavy machinery, simulation software is targeted at these growing CAE markets. According to Daratech, a senior analysis company in the world's leading product lifecycle management (PLM) market, the annual growth rate of the CAE market will remain at 10.3% by 2007.
Manufacturers demand lower cost and faster time-to-market by reducing physical prototypes and improving product quality, a requirement that is particularly acute in the mold manufacturing industry. Therefore, strengthening the analysis and simulation in the early stage of the design process will help reduce the demand for physical prototypes and increase the flexibility of digital design. For example, the integration of NXNastran into the EDSCAE product package will further strengthen the importance of analytics-driven design technology, helping users to continuously develop new products while reducing costs and time to market. Another example is that Dassault Systèmes has integrated MSC's Nastran CAE technology products into the CATIA system and won the favor of Toyota Japan.
Therefore, integrating digital analysis technology in mold CAD/CAM technology and obtaining a complete CAD/CAE/CAM solution is an important development direction at present.
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