Analytical and experimental study of wrinkling in electromagnetic tube compression
| Autor: | Alireza Fallahi Arezoodar, Hossein Savadkoohian, Behrooz Arezoo |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
0209 industrial biotechnology
Materials science 02 engineering and technology Welding Industrial and Manufacturing Engineering law.invention 020901 industrial engineering & automation 0203 mechanical engineering law Tearing Composite material business.industry Mechanical Engineering Structural engineering Roundness (object) Computer Science Applications Electromagnetic forming Condensed Matter::Soft Condensed Matter 020303 mechanical engineering & transports Control and Systems Engineering visual_art visual_art.visual_art_medium Energy method Sheet metal business Software Voltage |
| Zdroj: | The International Journal of Advanced Manufacturing Technology. 93:901-914 |
| ISSN: | 1433-3015 0268-3768 |
| Popis: | Electromagnetic forming is a high-speed forming technology where electromagnetic forces are used to form metallic products. Tubular hollow workpieces can be compressed or expanded and sheet metal ones can be formed or welded. Under certain conditions, some defects like tearing or wrinkling could occur in this process. In the present work, wrinkling in electromagnetic tube compression is studied through analytical energy method. Effects of discharge voltage, tube thickness, and die entrance radius on energy criterion and finally on wrinkling are investigated. An algorithm is introduced to select process parameters which lead to minimum wrinkling; when the bead depth is specified. Experimental tests are performed to validate the analytical models. Out of roundness of the formed tubes are selected as the wrinkling criterion. Based on the results, the die entrance radius has more considerable effects on the bead depth and wrinkling, compared to discharge voltage and tube thickness. Experimental results are in good agreement with the analytical results. |
| Databáze: | OpenAIRE |
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