Improvement of curved hole EDM drilling performance using suspended ball electrode by workpiece vibration

A. Okada; A. Yamaguchi; K. Ota

doi:10.1016/j.cirp.2017.04.125

Improvement of curved hole EDM drilling performance using suspended ball electrode by workpiece vibration

A. Okada, A. Yamaguchi, K. Ota

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Small-diameter curved hole EDM drilling method using a metal ball electrode suspended with flexible thin foil has been studied using zinc alloy with low melting point as workpiece material. In order to improve the drilling performance and to extend drillable hole depth for practical materials, such as aluminium alloy and steel, curved hole drilling with workpiece vibration was proposed in this study. The influences of discharge conditions and vibration amplitude on the machining characteristics were experimentally investigated. Various types of curved holes were successfully drilled in practical materials by EDM using the suspended ball electrode with workpiece vibration.

Original language	English
Pages (from-to)	189-192
Number of pages	4
Journal	CIRP Annals - Manufacturing Technology
Volume	66
Issue number	1
DOIs	https://doi.org/10.1016/j.cirp.2017.04.125
Publication status	Published - 2017

Keywords

Curved hole
Drilling
Electrical discharge machining (EDM)

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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abstract = "Small-diameter curved hole EDM drilling method using a metal ball electrode suspended with flexible thin foil has been studied using zinc alloy with low melting point as workpiece material. In order to improve the drilling performance and to extend drillable hole depth for practical materials, such as aluminium alloy and steel, curved hole drilling with workpiece vibration was proposed in this study. The influences of discharge conditions and vibration amplitude on the machining characteristics were experimentally investigated. Various types of curved holes were successfully drilled in practical materials by EDM using the suspended ball electrode with workpiece vibration.",

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AB - Small-diameter curved hole EDM drilling method using a metal ball electrode suspended with flexible thin foil has been studied using zinc alloy with low melting point as workpiece material. In order to improve the drilling performance and to extend drillable hole depth for practical materials, such as aluminium alloy and steel, curved hole drilling with workpiece vibration was proposed in this study. The influences of discharge conditions and vibration amplitude on the machining characteristics were experimentally investigated. Various types of curved holes were successfully drilled in practical materials by EDM using the suspended ball electrode with workpiece vibration.

KW - Curved hole

KW - Drilling

KW - Electrical discharge machining (EDM)

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