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Creation of Cross-Section Changing Hole with a Hemisphere by Means of Electrical Discharge Machining

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Manufacturing Systems and Technologies for the New Frontier

Abstract

In general, machined holes have straight axes and their cross-sections are constant circles since holes are machined by drills. In other words, shapes of machined holes do not have so much variety. To solve the problem, the device was developed which can machine a certain shape on an inside wall of a straight hole by means of electrical discharge machining. This results in fabrication of holes whose cross-sections change variously. In the study, the holes are called cross-section changing holes. However, the device had only ability to make two-dimensional shapes. Therefore, the device has been improved so that three-dimensional shapes can be machined inside holes. From the result of the machining experiment, it is found that the improved device can machine a cross-section changing hole with a hemisphere.

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6 References

  1. Morishige, K. and Takeuchi, Y., 2000, Strategic Tool Attitude Determination for Five-Axis Control Machining Based on Configuration Space, CIRP J. of Manufacturing Systems, 31/3:247–252.

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  2. Ishida, T., Mochizuki, Y., and Takeuchi, Y., 2002, Fin Fabrication inside a Hole by Means of Electrical Discharge Machining and Reciprocating Block Slider Crank Mechanism, Proc. of 2002 Japan-USA Symposium on Flexible Automation (2002JUSFA), 349–355.

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  3. Ishida, T., and Takeuchi, Y., 2005, Development of Hole-Inside shape Fabricating Method —Machined Shape Control by Means of Software—, Proc. of 5th Manufacturing & Machine Tool Conference, Japan Society of Mechanical Engineers (JSPE), 293–294 (in Japanese).

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Graduate School of Engineering, Osaka University, Japan

    T. Ishida, H. Nagasawa & Y. Takeuchi

  2. Department of Machinery System Production Technology, Kinki Polytechnic College, Japan

    M. Kita

Authors
  1. T. Ishida
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  2. H. Nagasawa
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  3. M. Kita
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  4. Y. Takeuchi
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Editor information

Editors and Affiliations

  1. Department of Engineering Synthesis, The University of Tokyo, Tokyo, 113-8656, Japan

    Mamoru Mitsuishi (Dr. Eng.) (Dr. Eng.)

  2. Research into Artifacts Center for Engineering, The University of Tokyo, Chiba, 277-8568, Japan

    Kanji Ueda (Dr. Eng.) (Dr. Eng.)

  3. Department of Precision Machinery Engineering, The University of Tokyo, Tokyo, 113-8656, Japan

    Fumihiko Kimura (Dr. Eng.) (Dr. Eng.)

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© 2008 Springer-Verlag London Limited

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Cite this paper

Ishida, T., Nagasawa, H., Kita, M., Takeuchi, Y. (2008). Creation of Cross-Section Changing Hole with a Hemisphere by Means of Electrical Discharge Machining. In: Mitsuishi, M., Ueda, K., Kimura, F. (eds) Manufacturing Systems and Technologies for the New Frontier. Springer, London. https://doi.org/10.1007/978-1-84800-267-8_74

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  • DOI: https://doi.org/10.1007/978-1-84800-267-8_74

  • Publisher Name: Springer, London

  • Print ISBN: 978-1-84800-266-1

  • Online ISBN: 978-1-84800-267-8

  • eBook Packages: EngineeringEngineering (R0)

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