Dry Drilling of CFRP with a Ti-AIN Nano-coated Drill Bit has a Major Impact on Machine Parameters and Hole Quality

Prof. Dhirendra Pratap Singh

doi:https://doi.org/10.51976/jfsa.412108

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Dry Drilling of CFRP with a Ti-AIN Nano-coated Drill Bit has a Major Impact on Machine Parameters and Hole Quality

Dhirendra Pratap Singh

Vol 4 , Issue 1 , January - June 2021 | Pages: 50-59

https://doi.org/10.51976/jfsa.412108

Author Details ( * ) denotes Corresponding author

1. * Dhirendra Pratap Singh, Professor, Department of Mechanical Engineering, SR Institute of Management and Technology, Lucknow, Uttar Pradesh, India (dirsrgi485@gmail.com)

CFRP (Carbon fiber-reinforced polymers) has a high strength-to-weight ratio, resists corrosion, and is durable. High strength and hardness make machining difficult. Also consider the cutting tool. This experimental analysis the influence of machining on Hand-laid CFRP plates. In this case, the parameters Speed, Feed, and Cutting Tool were used to monitor a CNC drilling machine. Both a TiAlN nano coating and an uncoated 14mm High-Speed Steel (HSS) drill bit are used. Titanium-aluminum-nitride-coated HSS tools enhanced hole quality. Six various thicknesses of CFRP plates are drilled to observe hole entry and exit quality. There is no pushout delamination, when a double-coated HSS tool is used, ensuring the same hole quality at both entry and exit. DOE optimizes observations (DOE). Taguchi Analysis for six different thicknesses show a drill bit with a titanium-aluminum-nitride double coating produces the perfect drill hole quality on CFRP metal.

Keywords

Taguchi Analysis, Design of experiments (DOE), Nano coated HSS tool, (TiAlN), Dry Drilling, HSS drill bit

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