Optimization of μEDM process assisted with rotating magnetic pulling force and ultrasonic vibration
| Autor: | P. S. Satsangi, Gurpreet Singh, Prajapati |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Machining process
0209 industrial biotechnology Materials science Mechanical Engineering Process (computing) Mechanical engineering Material removal 02 engineering and technology Industrial and Manufacturing Engineering 020303 mechanical engineering & transports 020901 industrial engineering & automation Quality (physics) Electrical discharge machining 0203 mechanical engineering Ultrasonic vibration Pull force |
| Zdroj: | Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 235:937-949 |
| ISSN: | 2041-3009 0954-4089 |
| DOI: | 10.1177/0954408920984402 |
| Popis: | The micro-electrical discharge machining process is hindered by low material removal rate and low surface quality, which bound its capability. The assistance of ultrasonic vibration and magnetic pulling force in micro-electrical discharge machining helps to overcome this limitation and increase the stability of the machining process. In the present research, an attempt has been made on Taguchi based GRA optimization for µEDM assisted with ultrasonic vibration and magnetic pulling force while µEDM of SKD-5 die steel with the tubular copper electrode. The process parameters such as ultrasonic vibration, magnetic pulling force, tool rotation, energy and feed rate have been chosen as process variables. Material removal rate and taper of the feature have been selected as response measures. From the experimental study, it has been found that response output measures have been significantly improved by 18% as compared to non assisted µEDM. The best optimal combination of input parameters for improved performance measures were recorded as machining with ultrasonic vibration (U1), 0.25 kgf of magnetic pulling force (M1), 600 rpm of tool rotation (R2), 3.38 mJ of energy (E3) and 1.5 mm/min of Tool feed rate (F3). The confirmation trail was also carried out for the validation of the results attained by Grey Relational Analysis and confirmed that there is a substantial improvement with both assistance applied simultaneously. |
| Databáze: | OpenAIRE |
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