Multi-objective optimisation of electrical discharge machining process using Derringer's desirability function approach Online publication date: Fri, 07-Oct-2011
by S.S. Baraskar; S.S. Banwait; S.C. Laroiya
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 2, No. 3/4, 2011
Abstract: Proper selection of manufacturing conditions is one of the most important aspects in the die sinking electrical discharge machining (EDM), as these conditions determine important characteristics such as surface roughness, material removal rate and tool wear rate. In the present work, mathematical models have been developed for relating the surface roughness and material removal rate to machining parameters like pulse-on time, pulse-off time and discharge current. Response surface methodology (RSM) has been applied for developing the models using the technique of design of experiments and multi-linear regression analysis. Validation experiments were conducted to demonstrate the effectiveness of these models. A desirability function approach popularised by Derringer and Suich was used to optimise the EDM process with multiple objectives. Optimal parameter combinations have been identified for machining in finish and roughing region. The study demonstrates that the EDM process parameters can be adjusted to achieve higher material removal rate and better surface roughness simultaneously.
Online publication date: Fri, 07-Oct-2011
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Materials Engineering Innovation (IJMATEI):
Login with your Inderscience username and password:
Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.
If you still need assistance, please email email@example.com