Modern teaching and technological innovation are the focus of competition between schools and enterprises in the 21st century. Product innovation is not only a major component of technological innovation, but also a materialized achievement and concentrated expression of technological innovation. At the same time, modern design technology is the key to product innovation.
First , modern teaching has fully recognized the advantages of multimedia teaching and made it widely used, and 3D CAD technology has also greatly helped teaching.
1. Many courses in teaching require physical models to help students understand the teaching content, while the traditional teaching method is to use the physical or teacher-made simple model. The problem is that it is difficult to carry in kind. The operability of changing the model according to the teaching needs is not great. The self-made model is simple, lacks change, and it takes a lot of time for the teacher. It is also difficult for the inexperienced young teacher to complete the work. If there is no model, just rely on explanation, so it is very difficult to make a three-dimensional structure clear. It is not a simple matter to understand the lack of model understanding for students who lack understanding of physical senses. This process is prone to deviation.
2. Another problem in teaching is that the traditional teaching model is slow to update, and the teaching model that has not changed for decades can no longer meet the needs of continuous improvement in the teaching and technology era. The traditional teaching model can basically not be modified. The problem with replacement is that the new model or physical cost is high, and the old model has little value for reuse.
3. The application of 3D CAD technology in teaching can completely avoid the shortcomings of traditional teaching aids. It has the advantages of practical teaching tools, and overcomes the shortcomings of traditional teaching aids, avoids carrying difficulties, makes model modification convenient, and adds new ones. The low cost of the model (computer modeling), students can also build new models according to their own understanding, to achieve the purpose of reducing teaching costs and improving teaching quality. On the other hand, students can continue to understand new technologies during the learning phase and lay a good foundation for their future social development.
Second, the technical basis of 3D CAD design
1. Computerization of design methods. Modern design technology is inseparable from the participation and support of computers. Computers have become an indispensable tool for modern design technology. This has been confirmed by the actual situation of modern enterprises and schools in computer applications. 3D CAD technology is a powerful tool to give full play to the advantages of computers.
2. The expansion of the design category. The concept of modern product design is not only the design of the structure, performance, process, etc. of the product itself, but also all processes related to it. The 3D CAD technology is the basis of modern design, and can provide a complete and unified product for subsequent CAE (Computer Aided Analysis System); CAM (Computer Aided Manufacturing System); NCP (CNC Programming System); PDM (Product Data Management System). Data information greatly simplifies follow-up and optimizes the entire design process.
3. Parallelization and intelligence of the design process. The popularity of LAN and INTERNET has made most people realize that the network will be the tool of choice for the development of the 21st century. The design of a large and medium-sized product can be done by one person or a few people, and the network greatly increases the possibility of parallelism in this design task. 3D CAD technology makes communication between designers easier, reduces unnecessary errors during communication, and makes network communication more intuitive.
(1) Integration of design and production. The application of computer technology in design has evolved from previous calculations, drawings and manufacturing to today's 3D modeling, virtual manufacturing, intelligent design and CAD/CAE/CAM integration stages. As the most advanced CAD software, 3D parametric design software is widely used in various fields related to engineering design in developed countries. For example, the FORD2000, a revolutionary technology development plan developed by Ford in the United States to meet the 21st century, uses 3D CAD technology to reduce the new car development cycle from 18 months to 12 months, reducing the physical model by 90%. Reduce the design change of new products by more than 50%, reduce the cost of new car trials by 50%, and increase investment income by 30%. Boeing's new generation of 777 passenger aircraft has achieved “no drawing design†and its advanced CAD/CAM technology is ahead of the world.
(2) Emphasize customer participation. The product connotation of the demand of the new century is a set of understanding that can meet the needs of consumption. The demand is the prerequisite for the existence and development of the product. Then a good product design should fully consider the opinions of consumers, and should try to let consumers participate in the design, so that consumers must fully understand the designer's design intent, and most consumers do not have to understand the product drawings. The professional knowledge, then the intuitive design is very important.
(3) Pursue the spiritual function and environmental protection of the product. This is ensured by the designer's thoughts, relying on the design ability and the improvement of design quality.
Modern 3D CAD technology is gradually maturing, and the microcomputer platform technology has begun to play a role in practice, and its hardware requirements are not high, easy to operate, easy to use, and low price (the domestic "golden honeysuckle" MDA system price is lower than ¥5000) has been accepted by schools and small and medium-sized enterprises. It is hoped that this technology will bring benefits to schools and enterprises, improve the overall design capabilities of schools and enterprises, and play a role in technological innovation in the 21st century.
Freestanding Tub Faucet,Freestanding Bathtub Faucets,Free Standing Bath Tub Faucets,Freestanding Waterfall Tub Faucet
JIAHAOJIA SANITARY WARE INDUSTRY CO., LTD. , https://www.gagalfaucet.com