Abstract
There are some problems in drilling Ti-6Al-4V/Al2024-T351 materials by traditional twist drill, such as big thrust force, big burr at outlet, and poor surface morphology. To solve these problems or reduce damage, low amplitude and high frequency vibrations are usually added in the direction of feed motion. This paper focuses on the study of geometric tool conventional drilling (CD) and ultrasonic-assisted drilling (UAD). Under ideal experimental conditions, through the combination of experiment and simulation, the drilling of laminated materials was investigated. The experimental results show that the UAD reduces the thrust force, burr height, torque, and temperature of laminated materials by 28.6%, 54.5%, 28.6%, and 13.2% respectively.
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