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IJAT Vol.10 No.4 pp. 624-631
doi: 10.20965/ijat.2016.p0624
(2016)

Paper:

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Ultraprecision Cutting of Nickel Plated Mold for X-Ray Mirror

Hirofumi Suzuki*1,†, Mutsumi Okada*1, Yuki Masuda*1, Yoshiharu Namba*1, Katsuhiro Miura*2, Shinya Morita*3, and Yutaka Yamagata*4

*Chubu University
1200 Matsumoto, Kasugai, Aichi 487-8501, Japan

†Corresponding author,

*2MITAKA KOHKI Co. Ltd, Tokyo, Japan

*3Tokyo Denki University, Tokyo, Japan

*4RIKEN, Saitama, Japan

Received:
January 1, 2016
Accepted:
April 26, 2016
Published:
July 5, 2016
Creative Commons License
Keywords:
ultraprecision cutting, Ni-plated mold, single crystalline diamond, X-ray mirror, tool wear, surface roughness, form deviation
Abstract
To improve the machining preciseness of X-ray telescope mirrors for astronomical use, the molds of electroless nickel and electro nickel are diamond-turned, and the tool wear and machining accuracy are then quantitatively evaluated. The machined surface roughness is measured and discussed in terms of the effects of cutting conditions on the resulting quality. Finally, the actual nickel-plated molds of X-ray mirrors are test cut, and their form accuracy and surface roughness are measured and evaluated. These experiments reveal that a surface roughness of 0.5 nm Ra and a form accuracy of 0.1 μm P-V can be obtained under the optimized cutting conditions.
Cite this article as:
H. Suzuki, M. Okada, Y. Masuda, Y. Namba, K. Miura, S. Morita, and Y. Yamagata, “Ultraprecision Cutting of Nickel Plated Mold for X-Ray Mirror,” Int. J. Automation Technol., Vol.10 No.4, pp. 624-631, 2016.
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