1. bookVolume 27 (2021): Issue 2 (June 2021)
Journal Details
License
Format
Journal
First Published
30 Mar 2018
Publication timeframe
4 times per year
Languages
English
access type Open Access

An investigation of wire offset and surface morphology of Die Steel D-3 on Wire EDM by using RSM-CCD

Published Online: 12 Jun 2021
Page range: 112 - 118
Received: 03 Mar 2021
Accepted: 14 Jun 2021
Journal Details
License
Format
Journal
First Published
30 Mar 2018
Publication timeframe
4 times per year
Languages
English
Abstract

The work investigated the effect on wire offset and surface morphology, with input process parameters as peak current, pulse on time, wire tension over Die Steel D3. Some of experiments were performed by using response surface methodology (RSM) as the design of experiment with central composite design (CCD) technique for the analysis. The ANOVA results annotate that the model is significant. Wire Tension and peak current are observed to have major impact on wire offset during machining operation and surface morphology. The scanning electron microscope (SEM) images confirmed that the thermal stresses produced during the machining of the workpiece resulted in the development of microcracks, craters and spherical module. Due to higher thermal gradient i.e., higher peak current and pulse on-time larger cracks and melted deposits were observed.

Keywords

JEL Classification

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