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With the development of virtual reality technology , it has been widely applied in the field of mechanical product design . CAD system based on virtual reality technology can be a virtual system environment on product model , design, virtual design system environment will give designers bring real design experience and convenient means of design , design can reduce losses through virtual design environment , conservation funds , shorten development cycles , improve product quality , product designers and consumers can feel the performance of the product can advance . By means of virtual design system environment for mechanical product design , will have important practical significance . Firstly, finishing introduce virtual reality technology , and future applications of virtual reality technology prospects , focuses on the mechanical design application virtualization technology , pointed out an important position on the virtual design system environment in mechanical products virtual design applications . Secondly, the study and exploration of OpenFlight file format , and detailed virtual design environment-related technologies and research tools and their functions , sheds light on contact . And research and related technology to achieve a visual simulation environment that MFC / Vega erection generic browser , including visual display , the viewpoint transform and save , collision detection technology , the DOF node movement and node hidden and display . Again , through the introduction of industrial rendering , the proposed industrial rendering technology applications , such as the setting of the light , texture replacement , dynamic textures add technical point of research and achieve , and then through the design environment and the connection to the database , CAD model data to study simulation information exchange technical points . Finally , the full text is summarized and pointed out the direction of future research . This paper aims through a variety of application examples to explain the main points in the relevant technical and difficult , so as to explore the key technology in the virtual design environment , research and related technical problems , to solve the many virtual design system environment before did not completely solve the problem , the system environment can have better fidelity and convenience .
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