Comparative Study for the Effect Powder Mixed Dielectric on Performance Measures in Wire EDM

  Jigar saliya,  Brijesh K. Gotawala

Requirements of the good surface finish, cost effective ness, intricate geometry, better MRR and minimum overcut have evolved the area of the Advanced Machining processes. Wire EDM is an extended form of Electrical Discharge Machining working on principle of spark erosion. Input parameters of Wire EDM such as Pulse ON time, Pulse Off time, Peak current, wire tension, wire speed etc. have major effect on the performance of the process. Wire cut EDM process is evaluated on the basis of surface finish, MRR, machining time, power consumption and wire erosion. Main emphasis in this research is given to study the effect of PMD (Powder Mixed Dielectric) on optimization results. Use of powder mixed dielectric is the main domain to focus. For experimentation, Taguchi method has been applied to select orthogonal array with using of Minitab 17. To achieve optimized combination of process parameters for best performance, optimization using Grey relational analysis is carried out. Adding the powder in dielectric improve the surface finish and kerf width. In this work, comparative optimization for process parameters of Wire EDM with using simple deionized water and graphite mixed dielectric has been carried out.

Keywords- Wire EDM, Grey Relational analysis, DM water (De-mineralized water), GMDM water (graphite mixed De-mineralized water)

Unique Identification Number - IJEDR1502110
Page Number(s) - 604-615
Pubished in - Volume 3 | Issue 2 | May 2015
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)

  Jigar saliya,  Brijesh K. Gotawala,   "Comparative Study for the Effect Powder Mixed Dielectric on Performance Measures in Wire EDM ", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.3, Issue 2, pp.604-615, May 2015, Available at :http://www.ijedr.org/papers/IJEDR1502110.pdf