Issue |
MATEC Web Conf.
Volume 112, 2017
21st Innovative Manufacturing Engineering & Energy International Conference – IManE&E 2017
|
|
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Article Number | 01013 | |
Number of page(s) | 7 | |
Section | Advanced Machining and Surface Engineering | |
DOI | https://doi.org/10.1051/matecconf/201711201013 | |
Published online | 03 July 2017 |
Investigation on hole quality of cutting conditions in drilling of CFRP composite
1 Karabük University, TOBB Vocational School, Bilimler Meslek Yüksekokulu, Demir Çelik Kampüsü, 78050, Karabük, Turkey
2 Karabük University, Department of Mechanical Engineering, Baliklarkayasi, Mevkii, 78050, Karabük, Turkey
* Corresponding author: nafizyasar@karabuk.edu.tr
Surface damages and delamination occurred in drilling of the carbon fiber reinforced polymer composite materials, which change depending on their physical and mechanical properties and cutting conditions, and so affect the hole quality. Therefore, it is requires to be selective with regards to drill geometry and drilling parameters during drilling of CFRP. This study investigated the effects of cutting parameters and drill geometry on the hole quality in terms of hole diameter and surface roughness during the drilling of CFRP composite laminate. Drilling experiments were performed with three different levels of drilling parameters that are point angle, cutting speed and feed rate. At the end of the drilling tests, it has determined that if the feed rate increases, the surface roughness value increases while the hole diameter decreases. The feed rate was determined as the most important parameter with a PCR of 78.02% according to analysis of variance. The better hole quality was obtained with 130° drill among the three drill geometry.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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