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Investigation on Drilling Performance of Titanium Alloy Ti6Al4V Based on Response Surface Method

[+] Author Affiliations
Zhaoju Zhu, Jie Sun, Jianfeng Li, Kai Liu

Shandong University, Jinan, China

Shaochun Sui

AVIC Cheng Du Aircraft Industrial (Group) Co., Ltd, Chengdu, China

Paper No. MSEC2017-2926, pp. V003T04A011; 8 pages
doi:10.1115/MSEC2017-2926
From:
  • ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
  • Volume 3: Manufacturing Equipment and Systems
  • Los Angeles, California, USA, June 4–8, 2017
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5074-9
  • Copyright © 2017 by ASME

abstract

In order to break the bottleneck of low efficiency, bad quality following drilling alloy Ti6Al4V, the effect of cutting parameters on thrust force, drilling vibration, burr height and surface roughness was studied based on response surface method. The optimized parameters were obtained. Results showed that feed rate had significant effect on thrust force and little on drilling vibration, while cutting speed had significant effect on vibration and little on thrust force. It is also observed that surface roughness decreased with cutting speed increasing, as well as increased with feed rate increasing. In addition, microstructure on the drilled hole surface showed mobility along feeding direction. Grain refinement on the drilling hole surface became serious with the increase of cutting speed and feed rate.

Copyright © 2017 by ASME

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