3.1 Misunderstandings about software and hardware For the CAD project, for some enterprise decision makers, most of them are implemented in the computer, printer, plotter, large-screen workstation and so on. For software, a few CDs cost a lot of money, so it's better to use "copy" software. However, the copied software is not guaranteed in terms of functions and technical services. However, we understand that most CAD project investments are used to buy hardware. The purpose of applying CAD technology is to generate benefits, and the organic combination of software and hardware can really work. For computer hardware, it is not the most harmful to buy, it is impossible to preserve value. As we all know, the computing speed of the core CPU of the PC is doubled every 18 months (and possibly faster). Buying a computer now, I can't keep up with the trend after two years, and its value may not be 2/3. So where does its value go? Its value is the benefit of using it.
Foreign software and hardware investment ratios generally reach 7:3 (ie 70% of funds for software and 30% for hardware). For the actual situation in the country, it is also acceptable to reverse 3:7 or 5:5.
3.2 Recognition of secondary development of CAD software Since different enterprises have different products, their design methods and product structure are not the same. At present, commodity CAD software on the market belongs to general development tools with common features, and it is impossible to obtain software suitable for all product design needs from software companies. This is why CAD software provides secondary development tools, such as Auto CAD, which currently offers four secondary development languages. Therefore, when the CAD project is in the enterprise, it is necessary to pay full attention to the secondary development problem.
3.3 The training of CAD application talents The key to the successful application of CAD technology lies in talents. Enterprises should first pay attention to strengthening the training of CAD technology application talents. The focus of enterprise talent training is to apply good software and solve practical problems. The focus of talents in universities and research institutes is development. In general, it is not appropriate for small and medium-sized enterprises to develop their own CAD talents. Should take the road of cooperative development and application.
4 Suggestions for in-depth application of CAD technology
It is entirely convinced that CAD technology in different industries in different regions will be further promoted and applied. How to combine the national conditions and the provincial conditions, and promote the application of CAD technology to the above problems, I think the following aspects are important.
4.1 Development of CAD technology consulting service industry technology consulting service is a bridge to connect business applications and computer software and hardware businesses. To deepen the promotion and application of CAD technology, there should be a relatively complete, relatively neutral, and high-level consulting service system to serve enterprises. Its main task responsibilities are:
(1) Consulting and demonstration of enterprise CAD solutions, technical training, debugging and testing, software system maintenance, operation support and improvement, including consulting services such as communication networks, databases, and PDM.
(2) Collecting and sorting out examples of successful failures of enterprise CAD systems. According to the development of technology, some current system software and hardware solutions are proposed.
(3) Collect relevant data and development trends of CAD system software, evaluate common CAD/CAM system performance indicators, and report.
(4) Develop secondary software development and train enterprise technical talents according to the needs of enterprises.
Technical consulting services have been industrialized abroad, but they are in their infancy in the country. They need government support and financial support to provide the necessary software and hardware environment. This is a technical activity that is conducive to enterprises and serves the society. It can only gradually move toward the industrialization path of self-development.
4.2 Deepening the steps to promote the application of CAD technology The author believes that the formulation of “甩图æ¿â€ needs to be expanded in breadth and depth, including two aspects: First, attract more enterprises, especially small and medium-sized enterprises to promote the application of CAD technology. Participate in the "scratch board" project; the second is to apply the true meaning of CAD technology to different industries and different levels, not only including computer graphics, but also design analysis, CAPP, image file management and so on. Therefore, the application of CAD technology in the enterprise can be divided into the following three steps:
(1) Promote the generalized “甩图†project integrating design drawing, 2D and 3D design, CAD and CAPP, CAE, CAM, etc.
(2) To the in-depth development of design information integration and management, promote the application of product data management (PDM) technology, and gradually move the enterprise to C3P (CAD/CAM/CAE/PDM).
(3) Using advanced technology to achieve true CAD, including concurrent engineering, distributed off-site collaborative design, optimized design and intelligent design, virtual rapid prototyping and so on.
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