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Delamination issues in Carbon Fiber Reinforced Polymer (CFRP) drilling processes pose significant challenges, potentially reducing long-term performance. This problem leads to a rejection rate of CFRP parts due to damage reaching 60% annually. This study aims to address this issue by optimizing drilling parameters to minimize CFRP delamination. The optimized drilling parameters include the point angle (108° and 118°), spindle speed (1000, 2000, 3000 rpm), and feed rate (0.025, 0.05, 0.075 mm/rev), utilizing the Taguchi L18 method. Simulation was conducted to determine the drilling force on CFRP. Optimal parameters were identified at a point angle of 108°, spindle speed of 3000 rpm, and feed rate of 0.025 mm/rev, achieving an S/N ratio of −25.71813, a thrust force of 19.315 N, and a delamination factor of 1.140.

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Optimization of Drilling Parameter on Delamination of Carbon Fiber Reinforced Polymer

  • 会议论文

  • 发表日期：

    2026年

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  • Andoko,
  • Muh. Andre Sukma,
  • Suprayitno,
  • Riduwan Prasetya,
  • Yahya Zakaria

摘要

Delamination issues in Carbon Fiber Reinforced Polymer (CFRP) drilling processes pose significant challenges, potentially reducing long-term performance. This problem leads to a rejection rate of CFRP parts due to damage reaching 60% annually. This study aims to address this issue by optimizing drilling parameters to minimize CFRP delamination. The optimized drilling parameters include the point angle (108° and 118°), spindle speed (1000, 2000, 3000 rpm), and feed rate (0.025, 0.05, 0.075 mm/rev), utilizing the Taguchi L18 method. Simulation was conducted to determine the drilling force on CFRP. Optimal parameters were identified at a point angle of 108°, spindle speed of 3000 rpm, and feed rate of 0.025 mm/rev, achieving an S/N ratio of −25.71813, a thrust force of 19.315 N, and a delamination factor of 1.140.