Motorcycle Industry Sales Trends
Motorcycle Manufacturers Of Digital Technology At Home And Abroad Application Status
Motorcycle digital design techniques need to integrate modern design and manufacturing process of a number of advanced technologies
Manufacturing industry is a country’s pillar industries, the manufacturing sector’s level of development is a direct reflection of national economic and technological level of development. Information technology led the rapid development of modern science and technology to promote the rapid growth of the global economy, but also contributed to digital manufacturing and product design technology developed rapidly. The traditional manufacturing industry in the face of enormous challenges, while also occurred in an extremely significant and profound changes in the emergence of concurrent engineering, collaborative design, virtual design, agile design, full life cycle design, function design, several design methods, digital, integrated , network-based intelligent product design patterns has become an inevitable development.
Reform and opening up has stimulated the rapid development of China’s motorcycle industry, at present, China’s motorcycle production has more than one 2 million to become the world’s largest motorcycle producer. Associated with human constant pursuit of material civilization and spiritual civilization, motorcycles, industrial design to the energy-saving, environmental protection and safe and comfortable user-friendly direction, digital design technology will be the basis for modern industrial technology motorcycle technologies. The use of computer and network environment technologies to the virtual product model as the core to realize the number of motorcycle product design, is to improve China’s independent development of new products and technological innovation, reduce development cycles, accelerate product upgrading to speed up conversion from the motorcycle-producing country as an important means of motorcycle production power.
1. Motorcycle digital design techniques need to integrate modern design and manufacturing process of a number of advanced technologies, including computer-aided design (CAD), computer-aided analysis (CAE), computer-aided manufacturing (CAM), product data management (PDM), computer Aided Industrial Design (CAID), virtual prototyping, reverse engineering, knowledge engineering (KBE), Rapid Prototyping Manufacturing (RPM) technology, standardization of technologies, through product design, analysis, manufacturing the whole process is a multi-disciplinary integrated technology.
Traditional product development is based on the physical kind of vehicle (machine) for the development platform, all the part design is complete, to create a manual to carry out test sample pieces assembled like pieces of test equipment according to the results to determine design flaws, and then back to the design sessions were held amended so on ad infinitum. The process design features of each group are mutually independent, each to complete their work, and then to test, modify, so the repeated nature of the work of a great, long design cycles, human, material and financial resources to waste.
At present, the majority of export-oriented domestic motorcycle production enterprises still use the generic kind, kind of vehicle (machine) model for product development, that is, rely mainly on sample pieces of the prototype, based on a landmark piece of sample characteristics to increase or cut at the same time into a two-dimensional pattern as a basis for technical exchange, even though some enterprises have adopted computer-aided two-dimensional drawing, but it is only two-dimensional drawing of a computer expression, but also can not fully serve to guide the production role. Although the computer-aided drawing of the pattern changes greatly save time, but still rely on the physical prototype vehicle (machine) for product development. Some enterprises have already adopted some of the complex three-dimensional modeling of the product to build digital models in order to facilitate processing of CAE analysis and CAM, CAE analysis tools, but a single, critical conditions, the experience is very scarce set.
2 CAD / CAM / CAE / PDM technology
CAD / CAM / CAE technology is a digital design and manufacturing technology at the heart of achieving the main tool for computer-aided product development. Product data management (PDM) technology integration and management and product-related information, processes, and people and organizations to achieve the distribution of the data-sharing environment for heterogeneous computer integrated application provides a platform to support CAD / CAE / CAM system the process of implementation. PDM is a parallel process to achieve an important basis for working together. Some foreign advanced machinery manufacturing enterprises, in the increasingly fierce global market competition, have adopted an advanced digital product design and management techniques. For example, the United States Ford Motor Company in 1995, proposed the “Ford 2000 plan,” millions of dollars in investment to the use of advanced CAD / CAE / CAM / PDM (C3P) technology, and in 1998 introduced the first one all the C3P technology development of cars with “FOCUS”, the development cycle from the original 34 months, reduced to 24 months.
The model on the market in Europe and North America, sales also exceeded the other similar models, for enterprises to create a huge profit. Motorcycle structural parts of the traditional design is the use of statistics, analogy and experience, a combination of generic methods. This method is the lack of an accurate analysis of structural parts motorcycles to determine the ability of the most high-end motorcycles have become the bottleneck of product design. Three-dimensional CAD / CAE / CAM as the core of the computer-aided design, engineering analysis, aided manufacturing techniques, new product development has become an indispensable means of modern technology. Motorcycle manufacturing industry in new product development process in the wide adoption of three-dimensional solid, surface, solid and surface hybrid modeling technology, the establishment of three-dimensional digital model of parts, and gradually to all-digital prototype DMU direction.
CAE technology applications from key components (such as frames, panels, lamps, etc.) of the strength, stiffness, modal analysis, the working principle of the machine simulation and performance evaluation analysis of development; in CAE analysis method, combined expertise in many fields, forming a specialized CAE analysis and evaluation systems, such as automobile, motorcycle product development engine combustion analysis, NVH analysis, suspension stiffness, strength and vibration analysis, dynamic response analysis of vehicle spare parts the optimal design of the cooling system flow field, temperature field, stress field of the multi-field coupling analysis.
CAM technology applications from a simple spare parts, tooling mold Aided Manufacturing, to the complex surface parts, large and complex three-dimensional-type mold surface NC machining, machining process simulation development, and modern CAM technology to become the trial of new products, process tooling manufacturing provides advanced digital processing means.
PDM technology is one to manage all product-related information and all product-related process technology, the core of the product life cycle management, access to comprehensive benefits. The technology has a faster reaction speed, better quality assurance, better service, lower costs, more efficient product-form spectrum of construction, can be more reasonable grasp the replacement of the entry point. PDM technology enables enterprises to quickly learn a variety of enterprise business processes, know their own position in the enterprise, and gradually develop a more holistic view to consider the habits of the work undertaken to reduce the unnecessary process, in order to achieve the enterprises to reduce costs.
3 Computer-Aided Industrial Design
Compared with the other mechanical products, motorcycle industry, motorcycle design is an important part of intellectual property rights. Motorcycle hundred years of development has become recognized several major types, different types of motorcycle manufacturers look closer. Thus, with independent intellectual property rights in the design of the motorcycle, the focus is the appearance of morphological features of motorcycle parts, mainly referring to panels, lights, seat, fuel tank, etc. used in conjunction with other similar motorcycles to distinguish the appearance of the exterior parts.
Motorcycle design, its use should be based on the characteristics of a motorcycle body to make constitute aesthetic rules, with appropriate color scheme, surface texture, and texture, absorb the essence of natural beauty, the aesthetic grasp of the social trend of the times, creating a consistent user aesthetic appearance. Now, motorcycle design is a common design process as follows: the concept of sketch → effect → the basic body plan produced Tape Chart → → 1:1 clay model-making → laminating → stereotypes. As the clay modeling of the existence of a long production cycle, high cost is not conducive to a multi-program comparison difficult, in addition to the environmental temperature and humidity requirements are also higher, so easy to crack, or wrinkle, to save time can not be too long. In addition, the clay model of production and cut off from the digital system, through reverse engineering, CAD model of building products, combined with effects of the design, sludge production, digital design is often completed by different persons, which will extend the design cycle, increase design errors. Using computer technology, industrial design (CAID) will allow this situation to improve.
At present, CAID for the creative expression of the early remains difficult, for the conceptual design in qualitative, vague, non-accurate information is difficult to describe and deal with a very accurate and can not achieve the designer to pursue high. Some of the currently used three-dimensional industrial design system (such as Alias / Wavefront Studio, UG / NX Shape Studio, Pro / E CDRS CATIA software, etc.) with the traditional CAD / CAM software, compared with more emphasis on the liberalization of the establishment and manipulation of the surface, there is the surface of a higher artistic creation capabilities, can provide a wealth of material, texture, lighting and other performance tools, you can interface or directly pass the digital model of CAD / CAM systems. For the automobile, motorcycle type of investment is large, very high profile products, the direct three-dimensional model, the screen shows images in comparison with the real environment, there is still a considerable gap, the lack of a sense of space, the real texture put.
With CAD, artificial intelligence, multimedia, virtual reality technology, further development of computer-aided industrial design technology with other technologies will eventually establish a unified computer-aided product design support system. Motorcycle design will be the eventual elimination of the physical model validation phase, Implementation and integration of digital engineering.
4 Reverse Engineering
Reverse engineering (Reverse Engineering) known as reverse design, from a physical prototype or sample quick access to digital information and engineering information on three-dimensional series of working methods and techniques combined. Since the reform and opening up, China’s economic and technological development, attaches great importance to application of reverse engineering, the introduction of foreign advanced technology and research, and achieved remarkable results. According to statistics, over 70% of countries in the world of technology from abroad, the use of reverse engineering can shorten the product development cycle, more than 40%, greatly enhancing productivity. A motorcycle, for example, motorcycles originated in Europe before World War II, the world’s motorcycle production and technical centers in Europe, the 20th century, after 50 years, and gradually transfer to Japan. Development today, the Japanese motorcycle industry (as Honda, Suzuki, Yamaha, Kawasaki, etc., represented by four people) from imitation to innovation, has become the representative of the world’s high-tech motorcycle.
The biggest advantage of reverse engineering can be “genuine,” to retain the essence of industrial design stylist, with the development of the theory of surface modeling, professional reverse software processing more powerful, making reverse technology is almost certainly become the appearance of the product development Preparation tools. Motorcycle Covers Since the appearance of reverse modeling more attention to the surface of the visual effects, and because reverse the entire covering, the modeling should not only consider the individual parts in isolation of the pure anti-seeking, it is necessary to consider an integrated manner among them assembly relation with each other, with the frame with the overall aesthetic appearance, follow-up mold design and CNC machining processes, etc., therefore, reverse engineering technology in the development of new products in the motorcycle have been widely used. Reverse engineering design process shown in Figure 1.
4.1 Reverse Engineering the key technology
At present, the domestic and international reverse engineering research focus is on three-dimensional model in the reconstruction of the CAD, and manufactured products in order to reconstruct the original parameters as parameters, it is only a “shape to create” instead of “precision manufacturing.” The higher-level reverse engineering is the adoption of digestion and absorption of the original model, know these and know why they are based on the original product re-design, develop more advanced products. Therefore, reverse engineering should address a number of key technologies: ① look into more convenient and practical measurement methods and equipment to improve manufacturing precision of the measurement system and measurement accuracy, reduce the measurement error; ② Study of three-dimensional reconstruction of a more scientific approach to develop more advanced CAD / CAE / CAM software, 3D modeling system to improve the processing capabilities and reduce the error of three-dimensional modeling; ③ artificial intelligence technology, precision design, advanced design and manufacturing technology, integrated use of computer network technology to create a set of relatively independent, well-reverse engineering technology systems to enable rapid, accurate and economical anti-sum to develop marketable and competitive products.
4.2 Reverse Engineering instance of new product development
Motorcycle as a lightweight, fast, low power consumption, and beautiful shape modes of transport, more and more people of all ages. With the market competition becoming ever more intense, people have been looking for a fast motorcycle-shaped development of new products look to change methodologies to achieve rapid response to customer demand objectives. Based on reverse engineering technology, new product development methods and techniques, new products, the current motorcycle-shaped appearance of the development of major technical change. The following in order to change the appearance of a motorcycle shall shape the development as an example, based on reverse engineering of motorcycle fast digital design methods.
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