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Research Papers

Application of Magnetic Polishing With Ball Nose Shaped Tool for Microchannel Shape

[+] Author and Article Information
Yusuke Takebayashi

Graduate School of Science and Engineering,
Major in Mechanical Engineering,
Doshisha University,
1-3 Miyakodani Tatara,
Kyotanabe-City,
Kyoto 610-0394, Japan
e-mail: yusuke.25happy@gmail.com

Toshiki Hirogaki

Department of Mechanical and
Systems Engineering,
Faculty of Science and Engineering,
Doshisha University,
1-3 Miyakodani Tatara,
Kyotanabe-City,
Kyoto 610-0394, Japan
e-mail: thirogak@mail.doshisha.ac.jp

Eiichi Aoyama

Department of Energy and
Mechanical Engineering,
Faculty of Science and Engineering,
Doshisha University,
1-3 Miyakodani Tatara,
Kyotanabe-City,
Kyoto 610-0394, Japan
e-mail: eaoyama@mail.doshisha.ac.jp

Keiji Ogawa

School of Engineering,
Department of Mechanical Systems Engineering,
The University of Shiga Prefecture,
2500 Hassaka-cho,
Hikone-City,
Shiga 522-8533, Japan
e-mail: ogawa@mech.usp.ac.jp

Shreyes N. Melkote

School of Mechanical Engineering,
College of Engineering,
Georgia Institute of Technology,
North Avenue NW,
Atlanta, GA 30332
e-mail: shreyes.melkote@me.gatech.edu

Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MICRO- AND NANO-MANUFACTURING. Manuscript received November 6, 2013; final manuscript received April 4, 2014; published online April 23, 2014. Assoc. Editor: Hitoshi Ohmori.

J. Micro Nano-Manuf 2(2), 021009 (Apr 23, 2014) (9 pages) Paper No: JMNM-13-1080; doi: 10.1115/1.4027384 History: Received November 06, 2013; Revised April 04, 2014

In recent years, high quality and accuracy surface are needed for the microchannels such as to be used as micro-total analysis systems (micro-TAS) chips. On the other hand, we demonstrated that the use of smaller size machine tools is one of the effective methods to improve the environmental impact in small parts manufacturing fields. Then, in the present report, we focus on magnetic polishing for microchannels with a ball nose shaped tool, integrating end milling, and polishing processes with a desktop-sized machine tool. In the case of nonmagnetic material, the method had an effective for the bottom of microchannels.

Copyright © 2014 by ASME
Topics: Polishing
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References

Figures

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Fig. 1

Desktop-sized CNC machine tool

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Fig. 3

Magnetic polishing turning tool

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Fig. 4

Magnetic field distribution

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Fig. 5

Magnetic polishing brush

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Fig. 6

Magnetic polishing paste

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Fig. 8

View of polishing of groove

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Fig. 9

Movement model of magnetic brush

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Fig. 10

Model of polishing pressure

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Fig. 11

Relationship between load and gap

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Fig. 12

Relationship between contact radius and gap

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Fig. 13

Surface roughness by polishing time change

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Fig. 14

Removed mass for flat surface

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Fig. 15

Model of movement in polishing paste

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Fig. 16

Theoretical values of mass change on groove bottom surface

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Fig. 17

Experimental and theoretical values of removed mass

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Fig. 18

Surface roughness of channel bottom

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