Abstract
In this study, a finite element model (FEM) with 2D Gaussian heat distributed has been developed to predict and calculate the material removal rate (MRR) of quartz glass using electrochemical discharge machining (ECDM) process. Quartz is an important engineering material and exhibits a wide range of applications due to its better properties over other forms of glass such as higher strength to weight ratio, high workable temperature, hardness, and melting point. These properties offer a machining challenge and response estimation is also a strenuous task. The ECDM is a nonconventional hybrid process combining the characteristics of electric discharge machining (EDM) and electrochemical machining (ECM), which has the potential to machine such materials. The thermal spark is considered as material removal mechanism by assuming the shape of the formed craters as hemispherical. The effect of electrolyte concentration and the applied voltage is studied on the material removal rate. The developed model is validated with previously published research and present confirmation experiments. The results show that the model has close behavior with experimental values and slight variation is also observed due to the assumptions made during development.
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Kumar, M., Vaishya, R.O., Suri, N.M. (2021). FEM-Based Thermal Modeling for Analyzing ECDM Process. In: Kumar, S., Rajurkar, K.P. (eds) Advances in Manufacturing Systems. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-33-4466-2_19
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