Paper Title:
Study on Stray Capacitance of MEDM Machine Tool
  Abstract

The stray capacitance in the process of MEDM has been the key problem of influencing the processing dimension and precision. This paper puts forward a method of measuring the stray capacitance of MEDM machine tool, through recording the charging waveform of two cases that the RC pulse power is on the machine tool or not by an oscilloscope, and then the measured data are substituted for the capacitance charging formula, we get the stray capacitance value of MEDM machine tool. This paper also tests the cases of different charging voltage and different tool-electrode length, finally we find that the tool-electrode length has a big influence on the stray capacitance.

  Info
Periodical
Edited by
Helen Zhang and David Jin
Pages
226-231
DOI
10.4028/www.scientific.net/AMM.63-64.226
Citation
S. F. Sun, D. B. Wei, S. C. Di, M. Yu, H. T. You, Z. L. Wang, "Study on Stray Capacitance of MEDM Machine Tool", Applied Mechanics and Materials, Vols. 63-64, pp. 226-231, 2011
Online since
June 2011
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