Ignition Delay Time Series Analysis of Wire-EDM
Date Issued
2009
Date
2009
Author(s)
Wu, Guo-Wei
Abstract
Ignition delay time (Td) has been widely used to research the state between wire electrode and workpiece in wire EDM. This paper focus on the effect between neighbor discharge and how these effect cause macro phenomenon. The non-synchronism between stage feed and material remove rate has been researched, and the role debris distribution play in discharge gap has been understood, also explain the self-stable mechanism of continuous discharge. By observing the spectral and autocorrelation function of ignition delay time series particularly, it shows continuous discharge is not fully stochastic process but with some characteristics, the author describe the main characteristics by a diagram. Finally propose a possible strategy to stabilize the micro discharge state.
Subjects
wire EDM
ignition delay time
series analysis
stochastic
Type
thesis
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