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This dissertation, Computer Integration of the Electrical Discharge Machining Process by Ming-ho, Horatio, Wong, 黃明浩, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled Computer Integration of the Electrical Discharge Machining Process Submitted by Horatio Wong Ming Ho For the degree of Master of Philosophy At The University of Hong Kong In June 2004 Electrical Discharge Machining (EDM) facilitates the complex machining process used in the manufacturing of precision moulds. However, the existing practice for using EDM machines is still based on the standalone mode and the Manual Data Input (MDI) method. Electronic data resources cannot be directly processed by an EDM machine, and machining data must therefore be input manually. The manual transfer of electronic data resources in the design model to the EDM machine is not only inefficient and ideally unnecessary, but also very prone to human error. Computer integration can automate the EDM system and eliminate the disadvantages of the MDI approach. The aim of this study, which was supported by the Innovation and Technology Fund under its Teaching Company Scheme, was to eliminate existing EDM process drawbacks and to enhance the overall productivity of a local mould manufacturer, Nypro Tool Hong Kong Limited, by implementing a Computer Integrated EDM manufacturing system. The current conventional EDM processing practice of the company was investigated, and its advantages and disadvantages were identified. Based on the analysis of the old system, a new EDM process system was developed and introduced. The system included a computer network and manufacturing standards and customised automation software programs. After its introduction, the efficiency of the EDM process improved and the incidence of production failure fell, as a consequence of removing the element of human error inherent in the MDI method. DOI: 10.5353/th_b3007165 Subjects: Electric metal-cuttingComputer-aided engineering

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