Fundamental study on micro drilling of CFRP plate

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  • CFRP基板のマイクロドリル加工特性に関する基礎的検討
  • CFRP キバン ノ マイクロドリル カコウ トクセイ ニ カンスル キソテキ ケントウ

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Abstract

Carbon fiber-reinforced plastics (CFRP) have been used in a wide range of industrial applications. Microdrilling techniques using small-diameter (≤ 1 mm) drills are needed with miniaturization of products. However, the machining phenomena and appropriate drilling conditions have not been clarified. This study was performed to examine the influence of cutting speed and feed rate, which are important factors in drilling of FRP plate, on the machining characteristics. The results showed that higher cutting speed and higher feed rate were suitable for not only machining efficiency but also suppression of tool wear. Moreover, the higher feed rate was more effective for drilling with smaller diameter drills.

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