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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

Tsukagoshi, K., Fukumoto, K., Nakajima, R., Yamashita, K., and Maeda, H., 2007, “Effect of Saliva on Measurement of Chemiluminescence by a Micro-Reactor Incorporating a Micro-Channel,” Sci. Eng. Rev. Doshisha Univ., 48(3), pp. 8–13.
Park, D.-S., Cho, M.-W., Lee, H., and Cho, W.-S., 2004, “Micro-Grooving of Glass Using Micro-Abrasive Jet Machining,” J. Mater. Process. Technol., 146, pp. 234–240. [CrossRef]
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Kawakubo, H., Tsuchiya, K., and Sato, U., 2010, “Magnetic Polishing for Ferromagnetic Materials Using Simply Mixed Magnetic Abrasives: Proposal of Partial Polishing Method for R-Groove and Its Polishing Characteristics,” J. Jpn. Soc. Abrasive Technol., 54(1), pp. 31–36 (in Japanese).
Yamaguchi, H., Shinmura, T., Akama, S., and Suzuki, A., 2006, “Study of a Magnetic Field Assisted Finishing Process for Micro Grooves,” Proceedings of the Japan Society of Mechanical Engineers Kanto Branch, pp. 233–234 (in Japanese).
Yamaguchi, H., Shinmura, T., and Akama, S., 2007, “Study of a Magnetic Field Assisted Finishing Process for Micro Grooves 2nd Report, Finishing Characteristics of Vertical Surfaces of Micro Grooves,” Proceedings of The Japan Society of Mechanical Engineers Kanto Branch, pp. 23–24 (in Japanese).
Hagiwara, S., Wada, K., Shibata, I., Umehara, N., and Kawashima, N., 2002, “Development of MAGIC Transferred Wheel and Die Polishing,” Proceedings of the Japan Society of Mechanical Engineers Yamanashi Branch, pp. 127–128 (in Japanese).
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Nishiguchi, T., and Masuda, M., 1988, “Precision Polishing of Diamond Stylus (1st Report): Cutting of Precise Groove on Polishing Plate,” J. Jpn. Soc. Mech. Eng., pp. 119–124 (in Japanese).
Hirogaki, T., Aoyama, E., Ogawa, K., Niiyama, T., Suzuki, M., and Iwama, M., 2011, “Environmental Impact of Desktop-Sized Five-Axis CNC Machine Tool Estimated by LCA,” JSME J. Environ. Eng., 6(2), pp. 242–252. [CrossRef]
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Shimada, K., Wu, Y., and Wong, Y. C., 2003, “Effect of Magnetic Cluster and Magnetic Field on Polishing Using Magnetic Compound Fluid (MCF),” J. Magn. Magn. Mater., 262, pp. 242–147. [CrossRef]
Nishida, H., Shimada, K., and Goto, M., 2007, “Fluid Dynamic Considerations on Internal Polishing for Tubes Utilizing Magnetic Responsive Functional Fluid,” J. Jpn. Soc. Exp. Mech., 7(3), pp. 264–270 (in Japanese).

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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