Study on Precision Finishing of PCD by Constant-Pressure Grinding and UV-Polishing

Mutsumi Touge; Takayuki Nakano; Keishi Yamaguchi; Akihisa Kubota; Junji Watanabe

doi:10.4028/www.scientific.net/KEM.407-408.388

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Ultra Precision Diamond Shaping of an Elliptical Micro-Lens Array
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Mirror Finishing of Austenitic Stainless Steel with a Cermet Insert
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Study on Precision Finishing of PCD by Constant-Pressure Grinding and UV-Polishing
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Study on Precision Finishing of PCD by Constant-Pressure Grinding and UV-Polishing

Abstract:

Polycrystalline diamond (PCD) has been widely used for various cutting tools and die components making use of its hardness and wear resistance properties. The polishing method of a single crystal diamond substrate and SiC using ultraviolet irradiation was newly developed to obtain mirror-finished surfaces. Due to the long polishing time in this method, a better pre-machined surface is required to shorten the total processing time. In this work, the constant-pressure grinding was performed using a cup type metal-bonded diamond wheel and a constant pressure device. After the good constant-pressure grinding, the PCD was finished by the polishing under the ultraviolet irradiation, and the microroughness was reached to be 0.71 nmRa.

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Periodical:

Key Engineering Materials (Volumes 407-408)

Pages:

388-391

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.407-408.388

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Online since:

February 2009

Authors:

Mutsumi Touge, Takayuki Nakano, Keishi Yamaguchi, Akihisa Kubota, Junji Watanabe

Keywords:

Grinding, PCD, Polishing, Ultraviolet Ray Irradiation

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References

[1] J. Watanabe, S. H. Hong, K. Yamaguchi, M. Touge and N. Kuroda : Int. Sympo. on Advances in Abrasive Technology (ASAAT 2007), Michigan, USA (2007), p.91.

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[2] S.H. Hong, J. Watanabe and M. Touge : Int. J. for Manufacturing Science & Technology, Vol. 9 (2007), p.23.

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[3] S. Anan, M. Touge, A. Kubota and J. Watanabe : ICPMT2009, in press. Fig. 8 Typical AFM images of UV-polished PCD (a) Measured area : 10. 36 µm in a square area (b) Measured area : 1. 56 µm in a square area (a) (b) 3. 82 nmRa 0. 71 nmRa.

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