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TECHNICAL PAPERS

Electrode Jump Motion in Linear Motor Equipped Die-Sinking EDM

[+] Author and Article Information
Serkan Cetin

Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530 Japane-mail: cetin@ntmlab.mech.okayama-u.ac.jp

Akira Okada

Department of Mechanical Engineering, Okayama University, Okayama, 700-8530 Japane-mail: okada@mech.okayama-u.ac.jp

Yoshiyuki Uno

Department of Mechanical Engineering, Okayama University Okayama, 700-8530 Japane-mail: uno@mech.okayama-u.ac.jp

J. Manuf. Sci. Eng 125(4), 809-815 (Nov 11, 2003) (7 pages) doi:10.1115/1.1615793 History: Received March 01, 2003; Online November 11, 2003
Copyright © 2003 by ASME
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References

Figures

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Actual electrode jump speed for jump time 0.30 s
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Machining depth vs. machining time for different electrode jump times
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Machining speed with electrode jump time excluded
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Electrode jump motion for jump time 0.30 s
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Schematic explanation of electrode jump motion
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Schematic view of experimental set up
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Relationships between average machining speed and jump duty factor
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Machining depth for different electrode jump speeds
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Schematic explanation of jump volume (Vj)
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Schematic explanation of side gap fluid height (Hsgf)
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Definition of critical machining depth (Dc) equal to side gap fluid height (Hsgf)
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Comparison of theoretical results with experimental results for different electrode jump heights
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Schematic presentation of debris mass, debris concentration and volume parameters in algorithm
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Schematic presentation of the developed algorithm
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Algorithm result of debris accumulation inside gap for tj=0.12 s and trm=0.6 s
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Algorithm result of debris accumulation inside gap for tj=0.16 s and trm=0.6 s
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Relation between electrode jump height and machining speed break point depth
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Relationship between machining depth and electrode jump height
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Effect of real machining time on machining depth
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Current waveform and jump motion for real machining time of 0.6 and jump time 0.15 s
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Counted average effective pulse numbers for unit interval of 0.1 s for different real machining times
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Distribution of counted effective pulses during real machining time of 1.2 s
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Machining speed break point vs. real machining time

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