Modeling of jet electrochemical machining using numerical and design of experiments methods

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Mehrvar Ali; Motamedi Mohsen; Jamalpour Abouzar

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Journal Paper

Paper Information

Journal: SCIENTIA IRANICA Year:2024 | Volume:31 | Issue:Transactions on Mechanical Engineering (B20) Page(s): 1880-1888

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Information Journal Paper

Title

Modeling of jet electrochemical machining using numerical and design of experiments methods

Author(s)

Mehrvar Ali | Motamedi Mohsen | Jamalpour Abouzar | Issue Writer Certificate

Keywords

Jet Electrochemical Machining

modeling

Finite Element Method

Design of Experiments

optimization

Abstract

Modeling and determining the optimal conditions for the Jet Electrochemical Machining (Jet-ECM) process is critical. In this study, a hybrid approach combining numerical and Design of Experiments (DOE) methods have been applied to model and determine the optimal conditions for Jet-ECM. The voltage (V), inner tool diameter (I), initial machining gap (G), and electrolyte conductivity (C) are considered input variables. Additionally, dimensional accuracy (E) and machining depth (D) are response variables. Twenty-seven numerical simulations have been performed using the Box–Behnkendesign to implement the Response Surface Methodology (RSM). Consequently, two mathematical models have been obtained for these response variables. The effects of the input variables on the response variables are investigated using statistical techniques such as variance analysis. Furthermore, the desirability function approach has been applied to determine the optimal conditions for dimensional accuracy and depth of machining. The results show that the optimal values for achieving maximum depth of machining while maintaining a dimensional accuracy of 0.05 mm are as follows:electrolyte conductivity of 8 S/m, voltage of 36.9 V, initial machining gap of 200 μm, and inner tool diameter of 0.4 mm.

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