An experimental investigation of tool wear in electric discharge machining

In this study, the variations of geometrical tool wear characteristics – namely, edge and front wear – and machining performance outputs – namely, workpiece removal rate, tool wear rate, relative wear and workpiece surface roughness – were investigated with varying machining parameters. Experiments...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2006-01, Vol.27 (5-6), p.488-500
Main Authors: Ozgedik, Ali, Cogun, Can
Format: Article
Language:English
Subjects:
Dielectrics
Electric discharges
Flushing
Kerosene
Machining
Parameters
Production planning
Suction
Surface roughness
Tool wear
Wear rate
Workpieces
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Summary:In this study, the variations of geometrical tool wear characteristics – namely, edge and front wear – and machining performance outputs – namely, workpiece removal rate, tool wear rate, relative wear and workpiece surface roughness – were investigated with varying machining parameters. Experiments were conducted using steel workpieces and round copper tools with a kerosene dielectric under different dielectric flushing conditions (injection, suction and static), discharge currents and pulse durations. The experiments have shown that machining parameters and dielectric flushing conditions had a large effect on geometric tool wear characteristics and machining performance outputs. Additionally, published research on tool wear is presented in detail in this study.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-004-2220-6