Abstract
This chapter describes the development of a module for micro electrical discharge machining with gaseous dielectrics, which was integrated into the machine frame as described in chapter “Introduction to the Priority Programme SPP1476—Small Machine Tools for Small Workpieces”. The module has implemented a high frequency gap width control, in which a solid-state joint-based unit was driven by piezo stack actuators. For this the development of a special control architecture that allowed a superimposed movement of the main axes and the piezo unit was necessary. The module has been tested on tool steel and fine grain hard metal as workpiece material. The process parameters for rough and fine machining were identified on an existing machining system and then transferred to the newly developed module. After the transmission of the parameters the processing results were compared with regard to the erosion duration tero and relative electrode wear ϑ.
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Perfilov, I., Streckenbach, J., Schimmelpfennig, TM., Uhlmann, E. (2017). Module for Micro Electrical Discharge Machining with Gaseous Dielectrics. In: Wulfsberg, J., Sanders, A. (eds) Small Machine Tools for Small Workpieces. Lecture Notes in Production Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-49269-8_3
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DOI: https://doi.org/10.1007/978-3-319-49269-8_3
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