Abstract
This study deals with the development of a new CAD/CAM system for fabricating the holes whose cross sections are changing variously. Hole shapes which can be achieved by machining is generally limited. As a typical example, a cross section of a machined hole is constant. To solve this problem, the authors have developed a new device which can machine holes with changing cross sections by means of electrical discharge machining. However, it was impossible to put the device into practical use since the software system for the device did not exist which can make the device machine the cross section's changing hole set as a target. Accordingly, this study aims at the development of the new CAD/CAM system to realize such machinings. Since the postprocessor constituting the CAD/CAM system has been made which is used for machining with simultaneous 2-axis control, the postprocessor for simultaneous 3-axis control machining is created as a next step.
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