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CFRP/Ti laminated materials are widely used in key parts of aircraft such as skin and wing, but the common problem of the two kinds of difficult to machine materials is particularly prominent tool wear, which seriously affects the quality of parts. In this paper, an experimental study was carried out on the milling of CFRP/Ti laminates with diamond coating unit edge tool. By combining theoretical analysis and experiment, the surface morphology and the change law of cutting force of CFRP/Ti laminates under different tool wear conditions were obtained. The results show that abrasive wear is the main mechanism in CFRP cutting zone, while adhesive wear is the main wear mechanism in the titanium alloy cutting zone, accompanied by the mixture of abrasive, oxidation and diffusion. With the tool wear aggravating, the milling force gradually increases and accompanied by irregular fluctuations.

Experimental study on tool wear in milling CFRP/Ti laminated materials with diamond coated unit edge tool