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IJAT Vol.7 No.4 pp. 426-432
doi: 10.20965/ijat.2013.p0426
(2013)

Paper:

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Drilling of CFRP/Ti6Al4V Stack Board

Junsuke Fujiwara*, Ryuichi Nagaura*, and Tetsuya Tashiro**

*Department of Mechanical Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

**Department of Mechanical Systems, Osaka Prefecture University College of Technology, 26-12 Saiwai-cho, Neyagawa, Osaka 572-8572, Japan

Received:
February 1, 2013
Accepted:
May 5, 2013
Published:
July 5, 2013
Creative Commons License
Keywords:
CFRP, Ti alloy, drilling, mist
Abstract
Drilling experiments with a CFRP/Ti6Al4V stack board were carried out using a TiAlN-coated cemented carbide drill, TiAlCr/TiSi-coated cemented carbide drill, and TiSiN-coated cemented carbide drill. Cutting experiments were carried out under a dry cutting process and water-mist-cooling process. Themain results obtained were as follows. The tool life of the TiAlCr/TiSi-coated cemented carbide drill was the longest among the three coated cemented carbide drills. The tool life under the water-mist-cooling process was longer than that under the dry process. Because the titanium alloy chips were much harder under the water-mist-cooling process, the cutting torque under this process became larger with an increase in tool flank wear compared to that under the dry process.
Cite this article as:
J. Fujiwara, R. Nagaura, and T. Tashiro, “Drilling of CFRP/Ti6Al4V Stack Board,” Int. J. Automation Technol., Vol.7 No.4, pp. 426-432, 2013.
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References
  1. [1] K. Sakuma, Y. Yokoo, and M. Seto, “Study on drilling of GFRP and CFRP (Tool material and Wear),” Trans. Japan Soc. Mech. Eng., Vol.49, No.446, pp. 1799-1805, 1983.
  2. [2] S. Yokoi, K. Sakai, Y. Suzuki, and N. Ikeya, “Drilling processing property of CFRP material by various manufacturing methods,” Trans. Japan Soc. Mech. Eng., JSME annual meeting, No.4, pp. 247-248, 2010.
  3. [3] M. Hagino and T. Inoue, “Machinabillity of CFRP materials with drilling,” Trans. Japan Soc. Mech. Eng., JSME Tokai Branch Meeting, No.59, pp. 277-278, 2010.

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