The Optimal Processing Parameters of Radial Ultrasonic Rolling Electrochemical Micromachining-RSM Approach

Micromachines
Kailei HeMinghuan Wang

Abstract

Radial ultrasonic rolling electrochemical micromachining (RUR-EMM) is a new method of electrochemical machining (ECM). By feeding small and rotating electrodes aided by ultrasonic rolling, an array of pits can be manufactured, which is called microstructures. However, there still exists the problem of choosing the optimal machining parameters to realize the workpiece machining with high quality and high efficiency. In the present study, response surface methodology (RSM) was proposed to optimize the machining parameters. Firstly, the performance criteria of the RUR-EMM are measured through investigating the effect of working parameters, such as applied voltage, electrode rotation speed, pulse frequency and interelectrode gap (IEG), on material removal amount (MRA) and surface roughness (Ra). Then, the experimental results are statistically analyzed and modeled through RSM. The regression model adequacies are checked using the analysis of variance. Furthermore, the optimal combination of these parameters has been evaluated and verified by experiment to maximize MRA and minimize Ra. The results show that each parameter has a similar and non-linear influence on the MRA and Ra. Specifically, with the increase of each parameter, MRA...Continue Reading

References

Feb 14, 2020·Micromachines·Dominik WyszynskiKrzysztof Miernik

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