| WEDM has been developed rapidly since its beginning. Along with the development of numerical control technology, pulse power supply and machine design technology, the function and capability of WEDM has been developed greatly since the past ten years. As the mould industry developing at a very fast speed, WEDM, which has got extensive applies to the industry of machine-driven, electronic, motor, instrument and automobile, is praised to be the forerunner of machine tool industry in 1980's.However, there are many flaws in the automatic programming software applied now, the function of their geometry formative technique isn't powerful enough, and depends still on backward operation system, furthermore, it's difficult for them to deal with image, and the function of simulative cutting isn't powerful enough too.Based on the research on existing situation, this thesis has researched the key technology applied in the integrated CAD/CAM system of WEDM. The main content is as following, the modeling technology of machine parts based on drawing and image, some key technology of automatic programming in WEDM, and simulative cutting technology, using the integrated CAD/CAM technology and the tool of VC++ ,as well as ObjectARX in the platform of AutoCAD to develop a set of software, this software customized a serial of menu and commands which can be used in AutoCAD as its internal commands, settled the problems in automatic programming software applied now and met the machining industry. Furthermore, this thesis has also explored the design method and key technology of new standardization of integrated CAD/CAM system.The software of WEDM has been put in practice as the platform of 2D innovative design in WEDM of Zhejiang University. It integrates the former normal WEDM experiment into a welcomed 2D innovative design experiment and proved to be good software with applied value.
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