For a mechanical designer, in the process of product design, some problems such as mechanism design analysis and mechanical strength analysis are often encountered, so it is necessary to constantly find the design manual and check it. If the mechanical design manual can be established as a Web database and put on the Internet, when designers encounter problems in the product design process, they can submit the known parameters to the server, and the server will return the results through analysis and database query. In this way, it can not only facilitate designers, improve design efficiency, give them more time to develop new products and study new problems, but also greatly save the cost of product development. In this paper, the development status of Web-based remote mechanical design is widely analyzed. China Paper Industry Alliance), materials and manufacturing integrated information service platform, etc. To provide technical data of mechanical design and manufacturing technology, and realize the networking of mechanical design technology, manufacturing technology, remote design technology, product database and computer aided design. In the mechanical design technology module, users only need to select the design module they want to use and input appropriate parameters, so they can automatically design the parts they need; In the remote analysis module, parametric simulation and analysis of common mechanisms are realized. However, remote design, like other emerging technologies, is not perfect because it has just started. With the continuous development of CAD technology, computer network technology, database technology and artificial intelligence technology, the content of remote design will be more and more abundant and powerful, and the services provided will be more and more perfect.

Thirdly, the technical research of remote design system.

The determination of the overall structure mode of the system is an important work to be completed in the preliminary design stage of the system. The overall structural mode of the system is the foundation of the system, and the next design and development can only be carried out after the structural mode of the system is determined. The architecture of application software is based on computing mode, so the network computing mode should be analyzed first. In the development of computer network technology, with the maturity of Web technology, mainframe-centered computing mode, server-centered computing mode, client/server computing mode and browsing/server computing mode have appeared. China Paper Alliance (1) through the research and analysis of two computing modes, the B/S mode has the following advantages over the American mode:

1, clients with unified interface style and portable US mode are often developed with different development tools, so the interfaces are not uniform and generally incompatible with each other, so it is difficult to transplant to other platforms. The client in B/S mode uses a unified Web browser, which has no portability problem at all and is very simple to use. 2. The cross-platform B/S mode system has better cross-platform performance than the US mode system, and the client can be located on any software and hardware platform, thus solving the cross-platform problem. 3, easy to manage and maintain. The system of C/S mode needs to develop different applications for different clients, which is a heavy workload. Once the system is to be modified or upgraded, the application programs on all clients must be modified, which is redundant and costly to manage and maintain. On the other hand, in the B/S mode, because the application software is developed and managed on the server side, when the application system is upgraded, it is only necessary to update the software on the server side without the client's participation, which greatly reduces the cost and workload of system maintenance and upgrade. (2) Supporting technology of remote design system

Web-based remote design is a comprehensive activity involving many disciplines and functions, including modern mechanical design technology, Web technology, database technology and so on. 1, the theory and knowledge of mechanical science and technology is the premise of remote design. Without these theoretical knowledge as the basis, remote design is impossible. 2. Computer network remote design technology is based on computer network, which is the running platform of remote design system. All information in the design process must be transmitted through the network, and the quality of the network foundation directly affects the quality of the remote design system, which is one of the key technologies to realize remote design. 3. The remote design process of standardized technology is inseparable from the exchange of information. The premise of communication is to have unified communication rules, that is, standardization work. 4. Database and knowledge base technology In the process of Web-based remote design, a large amount of information in the database is needed, such as parameters and chart data used in the design process. The storage and management of this information should be supported by the database. Database technology is the core technology of remote design system. At the same time, the knowledge base can realize the evaluation and suggestion of solving complex knowledge problems, and can effectively carry out intelligent reasoning to optimize the design. 5. Computer programming technology Computer programming provides a series of application services and platform construction for remote design systems. Mainly programming languages and accessing databases, such as VB.NET, C# and SQL, the standard language of relational databases. 6. Multimedia technology and graphic browsing technology Multimedia technology and graphic browsing technology provide auxiliary tools for online communication and graphic browsing. References:

1 high. Analysis and comparison of interactive dynamic access technology of WEB database. Computer development and application. 20052 Wang Jun. Research and development of standardization of gearbox parts and integrated management system of drawing information based on Web. Master thesis of Zhejiang University. 2002. 12: 13.

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