Parametric optimization of wire cut electrical discharge machining

 
 
 
  • Abstract
  • Keywords
  • References
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  • Abstract


    Wire Electrical Discharge Machining is a manufacturing process whereby a desired shape is obtained using electrical discharges (or) by repetitive spark cycle. Precision and intricate machining are the strengths. Machining parameters tables provided by the machine tool manufacturers often do not meet the operator requirements. Selection of optimum machining and machining parameters combinations is needed for obtaining higher cutting efficiency and accuracy. In this present study, machining is done using Wire-Cut EDM and optimization of surface roughness is done using Taguchis design of experiments. Experimentation was planned as per Taguchis L16 orthogonal array. Each experiment has been performed under different cutting conditions of gap voltage, pulse ON time, and pulse OFF time and Wire feed. Dielectric fluid pressure, wire speed, wire tension, resistance and cutting length are taken as fixed parameters. Inconel 800 was selected as a work material to conduct the experiments. From experimental results, the surface roughness was determined for each machining performance criteria. Signal to noise ratio was applied to measure the performance characteristics deviating from the actual value. Finally, experimental confirmation was carried out to identify the effectiveness of this proposed method.

    Keywords: Optimization; Taguchis L-16 Orthogonal Array; Surface Roughness; S/N Ratio.


  • References


    1. S. S. Mahapatra & Amar Patnaik (2006) Optimization of wire electrical discharge machining (WEDM) process parameters using Taguchi method Int J Adv Manuf Technol.
    2. Muthu Kumar V, Suresh Babu A, Venkatasamy R and Raajenthiren M (2010) Optimization of the WEDM Parameters on Machining Incoloy800 Super alloy with Multiple Quality Characteristics Int J of Engg science and tech.
    3. S. S. Mahapatra, Amar Patnaik Parametric optimization of wire electrical discharge machining (WEDM) process using taguchi method
    4. Vishal Parashar, A. Rehman, J.L. Bhagoria and Y.M. Puri(2009) Investigation and Optimization of Surface Roughness for Wire Cut Electro Discharge Machining of SS304L using Taguchi Dynamic Experiments Int J Engg studies Volume 1, Number 4, pp. 257267.
    5. Muthu Kumar V, Suresh Babu A, Venkatasamy R and Raajenthiren M (2010) Optimization of the WEDM Parameters on Machining Incoloy800 Super alloy with Multiple Quality Characteristics Int J of Engg science and tech.
    6. K. Kanlayasiri, S. Boonmung,(2007) An investigation on effects of wire-EDM machining parameters on surface roughness of newly developed DC53 die steel Journal of Materials Processing Technology.187: 26-29.

 

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Article ID: 1807
 
DOI: 10.14419/ijet.v3i2.1807




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