E14 磁気浮上アクチュエータを用いた放電加工におけるジャンプフラッシング(OS-8 放電加工(2))

概要

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The objective of this study is to realize high-speed and high-accuracy electrical discharge machining (EDM) using a wide-bandwidth, high-precision, millimeter-stroke, 5-DOF controlled maglev local actuator. In this paper, we discuss the effects of the axial jump and radial vibration of the electrode on the machining speed of small diameter holes. The experimental results showed that by applying the jump operation or vibration of the electrode, the machining speeds for φ1mm holes were improved by 85.3% and 68.4%, and the electrode wear rates were reduced from 25.0% to 17.5% and from 16.4% to 3.3%, respectively.
2008-11-21