Cutting forces and correlation with the damages during CFRP drill-milling by using novel drill-milling tool

Su, Fei; Li, Chunjie; Li, Wenyi; Deng, Zhaohui; Sun, Fujian; Wu, Qing

doi:10.1007/s00170-020-05580-8

Cited by 4 publications

(2 citation statements)

References 21 publications

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“…For example, a new type of tool with drilling and milling functions, which can effectively reduce the cutting force and remove the damage caused by the drilling process during spiral milling stage. 31,32 A double-pointed angle drill with helical groove edge can effectively remove burrs and obtain good cutting quality. 34 In addition, a double-pointed angle drill has less impact on the CFRP drilling hole wall and drill-exit damage.…”

Section: Experimental Validationmentioning

confidence: 99%

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Drill bit with clip-edges based on the force control model for reducing the CFRP damage

Hao

Wang

Zhao

et al. 2020

Journal of Reinforced Plastics and Composites

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Carbon fiber reinforced plastic composites are popular in the aviation industry, and it is inevitable to drill holes within strict damage tolerances during assembly. However, drilling damages often occur at the drill-exit of carbon fiber reinforced plastic for lacking back support. This paper aims to study the drilling damages formation of carbon fiber reinforced plastic, and further proposes a novel drill structure for reducing the damages. According to the damage formation of drill-exit fibers, the mathematical model is established to analyze the tool-fibers cutting process and fiber deflection. Then based on the cutting model, the multi-edge control force cutting method is proposed, and it is an effective method to cut off fibers with deflection control and damage reduction. In order to carry out the cutting effect, a novel clip-edges drill structure is proposed. The geometric analysis of the novel structure reveals that the structure can cut the fibers from both sides and reduce fiber resin cracking. Finally, comparative experiments are carried out in drilling carbon fiber reinforced plastic, and the novel drill bit with clip-edges drill structure can reduce drilling exit damage and obtain more high-quality holes.

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Section: Experimental Validationmentioning

confidence: 99%

“…In addition, Su et al. 31,32 designed a drill-milling tool with a V-shaped cutting edge and a double cross spiral groove. By adopting the novel drilling and milling processing, the influence of thrust force could be completely eliminated, and the damage caused by processing could be significantly reduced.…”

Section: Introductionmentioning

confidence: 99%

Drill bit with clip-edges based on the force control model for reducing the CFRP damage

Hao

Wang

Zhao

et al. 2020

Journal of Reinforced Plastics and Composites

View full text Add to dashboard Cite

show abstract

Drill-milling process and novel drill-milling tool for making a hole on carbon fiber–reinforced plastics

Chen

et al. 2021

Int J Adv Manuf Technol

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Low Temperature Assisted Small Hole Fabrications on Carbon Fiber Reinforced Polymer

Cheng

et al. 2023

Iran J Sci Technol Trans Mech Eng

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Cutting forces and correlation with the damages during CFRP drill-milling by using novel drill-milling tool

Cited by 4 publications

References 21 publications

Drill bit with clip-edges based on the force control model for reducing the CFRP damage

Drill bit with clip-edges based on the force control model for reducing the CFRP damage

Drill-milling process and novel drill-milling tool for making a hole on carbon fiber–reinforced plastics

Low Temperature Assisted Small Hole Fabrications on Carbon Fiber Reinforced Polymer

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