Parametric Optimization for Quality of Electric Discharge Machined Profile by Using Multi-Shape Electrode
Abstract
:1. Introduction
2. Methodology
2.1. Experimental Setup
2.2. Tool Shape
2.3. Fixed EDM Conditions
3. Experiments and Results
4. Data Analysis for Accuracy of Profile
5. Main Effect Plots
6. Discussions
Effects of Process Parameters on Performance Measures
7. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
ANOVA | Analysis of Variance |
IP | Current |
DOE | Design of Experiments |
EDM | Electric Discharge Machining |
TON | Pulse-on Time |
DOC | Depth of Cut |
MRR | Material Removal Rate |
VP | Spark Voltage |
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Fixed Specifications | Values |
---|---|
Incoming voltage | (220/380) V |
Maximum average output | (30–200) A |
No load output | 100 µs |
On-time setting range | (1–9999) µs |
Off-time setting range | (1–9999) µs |
Electro-spark frequency | 500 Hz–500 KHz |
Dielectric used | Kerosene |
Material | % Composition |
---|---|
C | 1.4–1.6 |
Mn | 0.6 |
Si | 0.6 |
Co | 1 |
Cr | 11–13 |
Mo | 0.7–1.20 |
V | 1.10 |
P | 0.03 |
Ni | 0.30 |
Cu | 0.25 |
S | 0.30 |
Mechanical Properties | Metric | Imperial |
---|---|---|
Hardness, Rockwell C | 62 | 62 |
Hardness, Vickers | 748 | 748 |
Izod impact unnotched | 70.0 J | 56.8 |
Poisson’s ratio | 0.27–0.30 | 0.27–0.30 |
Elastic modulus Ksi | 190–210 GPa | 27,557–30,457 |
Process Parameter | Symbol | Unit | Level-1 | Level-2 | Level-3 |
---|---|---|---|---|---|
Spark voltage | Vp | Volt | 5 | 6 | 7 |
Pulse-on time | TON | µ-s | 60 | 80 | 100 |
Depth of cut | DOC | mm | 0.3 | 0.4 | 0.5 |
Current | Ip | Amp | 3 | 4 | 5 |
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Gillani, F.; Zahid, T.; Bibi, S.; Khan, R.S.U.; Bhutta, M.R.; Ghafoor, U. Parametric Optimization for Quality of Electric Discharge Machined Profile by Using Multi-Shape Electrode. Materials 2022, 15, 2205. https://doi.org/10.3390/ma15062205
Gillani F, Zahid T, Bibi S, Khan RSU, Bhutta MR, Ghafoor U. Parametric Optimization for Quality of Electric Discharge Machined Profile by Using Multi-Shape Electrode. Materials. 2022; 15(6):2205. https://doi.org/10.3390/ma15062205
Chicago/Turabian StyleGillani, Fouzia, Taiba Zahid, Sameena Bibi, Rana Sami Ullah Khan, Muhammad Raheel Bhutta, and Usman Ghafoor. 2022. "Parametric Optimization for Quality of Electric Discharge Machined Profile by Using Multi-Shape Electrode" Materials 15, no. 6: 2205. https://doi.org/10.3390/ma15062205