Machining forces in ultrasonic-vibration assisted end milling

Ultrasonics
Girish Chandra Verma, Pulak Mohan Pandey

Abstract

Ultrasonic assisted milling (UAM) is one of the advancements in the area of conventional milling process. Literature suggests that superpositioning of ultrasonic vibration with milling process improves its efficacy by reducing forces and improving surface finish. In the present study experimental investigations were carried out to evaluate the effect of process parameters (power of ultrasonic vibration (UP), rotational speed, axial depth of cut (DOC) and feed rate) on the cutting responses (average cutting force and the standard deviation in cutting forces). An experimental setup was designed and developed to perform UAM process with axial vibrations. The end mill used in this setup was designed by performing harmonic analysis on ANSYS workbench. UAM experiments based on central composite design (CCD) technique were performed on Al6063 aluminum alloy. Analysis of variance (ANOVA) was performed and regression equations were obtained. Further, the obtained results were analyzed to study the effect of machining parameters on the responses. The developed models were then validated by performing experiments on random and optimized set of process parameters. The ANOVA results suggested that the most effective parameter for cutting fo...Continue Reading

Citations

Nov 22, 2019·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Ravinder Pal SinghTanuj Joshi
Aug 23, 2020·Sensors·Vitor F C SousaLuís Pinto Ferreira

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