The coupling effect and damage analysis when drilling GFRP laminates using candlestick drills

  • Jing Tian
  • Feng Wu
  • Pengpeng Zhang
  • Bin Lin
  • Tianshu Liu
  • Liping LiuEmail author


During the research on high-quality hole drilling technology for glass fiber–reinforced polymer (GFRP), more and more researchers have discovered and focused on the coupling effect between the machining parameters on the damage at the hole exit. Most of them have verified and described this phenomenon by mathematical statistics, but there is no further analysis for its mechanism. In this paper, a set of orthogonal experiments were conducted to investigate the coupling effect between the clearance angles of outer cutting edges, the spindle speed, and the feed speed when drilling the GFRP materials with candlestick drills. Through the experimental results shown by the response surface, the influencing factors of the exit damage were divided into the pushing effect, cutting effect, and the physical properties of the material according to the special damage formation process. It was found that the reason for the coupling effect of the machining and tool parameters was that the change of these parameters would have different effect on the pushing, cutting, and physical properties of the materials at the same time. In addition, the optimal machining parameters for each candlestick drill were also given according to the experimental results.


GFRP Coupling effect Candlestick drill Clearance angle 


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Funding information

This project obtained designated funds from the National Natural Science Foundation (No. 51405491, No. 51605331), and Basic Scientific Research Foundation of Central University (No. 3122017028).


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Jing Tian
    • 1
  • Feng Wu
    • 1
  • Pengpeng Zhang
    • 1
  • Bin Lin
    • 2
  • Tianshu Liu
    • 3
  • Liping Liu
    • 1
    Email author
  1. 1.Faculty of Aerospace EngineeringCivil Aviation University of ChinaTianjinChina
  2. 2.Faculty of Mechanical EngineeringTianjin UniversityTianjinChina
  3. 3.AVIC Composite Corporation LTDBeijingChina

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