An Empirical Investigation on Optimization of EDM Process Parameters for Ti-6Al-4V Alloy Using Mathematical Modeling and Taguchi Approach
Publish place: 1st National Conference on Development of Civil Engineering, Architecure,Electricity and Mechanical in Iran
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
DCEAEM01_584
تاریخ نمایه سازی: 18 دی 1393
Abstract:
This paper addresses modeling and optimization of process parameters for electrical discharge machining (EDM) being especially developed for difficult-to-machine materials such as Ti-6Al-4Vtitanium alloys. The important process variables considered in this study include current, voltage,pulse-on time, pulse-off time, and time on work. The main machining output characteristics in EDMare material removal rate (MRR) and surface roughness (SR). The relationships between these processinputs/outputs have been established using design of experiment (DOE) approach and mathematicalmodeling. The mathematical models were developed based on the data collected as per Taguchi's DOE matrix. Then, Analysis of Variance (ANOVA) technique has been employed to verify adequacies of the proposed models. In the next step, optimization of EDM process parameters havebeen carried out using signal to noise (S/N) analysis. In this way, the process variables can be set at proper levels to obtain desired machining outputs. Computational results demonstrate that the proposed approach is quite efficient in modeling and optimizing such machining
Keywords:
Electrical Discharge Machining (EDM) , Design of Experiments (DOE) , Analysis of Variance (ANOVA) , Signal to Noise (S , N) Ratio , Regression Modeling
Authors
Masoud Azadi Moghaddam
Ph.D. Student, Ferdowsi University of Mashhad Mashhadd, Iran
Farhad Kolahan
Associate Professor, Ferdowsi University of Mashhad Mashhad, Iran
Farid Eilchi
M.SC. Student, Sari Branch, Islamic Azad University Sari, Iran
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