Ultrafast Feed Drilling of Carbon Fiber-Reinforced Thermoplastics | Zendy

Yasuhiro Kakinuma | Zendy; Takuki Ishida | Zendy; Ryo Koike | Zendy; Heiner F. Klemme | Zendy; Berend Denkena | Zendy; Tojiro AOYAMA | Zendy

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Ultrafast Feed Drilling of Carbon Fiber-Reinforced Thermoplastics

Author(s) -

Yasuhiro Kakinuma,

Takuki Ishida,

Ryo Koike,

Heiner F. Klemme,

Berend Denkena,

Tojiro AOYAMA

Publication year - 2015

Publication title -

procedia cirp

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.683

H-Index - 65

ISSN - 2212-8271

DOI - 10.1016/j.procir.2015.08.074

Subject(s) - drilling , machinability , materials science , softening , delamination (geology) , composite material , fibre reinforced plastic , machining , metallurgy , geology , paleontology , subduction , tectonics

Carbon fiber-reinforced thermoplastics (CFRTP) are just beginning to be utilized for various applications such as aerospace, automobiles, and sporting goods in place of CFRPs, and the demand for through-hole drilling of CFRTPs is increasing. In this study, the machinability in drilling of CFRTPs under various conditions was experimentally analyzed in terms of the material properties, and a feasibility study of ultrafast feed drilling was conducted. The results showed that delamination at the outlet surface can be significantly suppressed during high rotational drilling when the feed rate is set to more than 3000 mm/min. By providing appropriate drilling conditions to prevent polymers in CFRTPs from softening, ultra-fast drilling of CFRTPs was successfully achieved under dry conditions

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