Abstract

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.

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