| Issue |
MATEC Web Conf.
Volume 121, 2017
8th International Conference on Manufacturing Science and Education – MSE 2017 “Trends in New Industrial Revolution”
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|
|---|---|---|
| Article Number | 04010 | |
| Number of page(s) | 6 | |
| Section | Virtual Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201712104010 | |
| Published online | 09 August 2017 | |
Comparing calculated, experimental and finite element analysis punch forces for the same lenght punched contours but with different geometry
1 Politehnica University of Bucharest, IMST Faculty, Spl. Independentei, 313, Bucharest, Romania
2 ICPE SA – Special Electric Machines, Splaiul Unirii 313, 030138 Bucharest, Romania
* Corresponding author: stelian_u_86@yahoo.com
When is calculated the punching force is taken into account only the length of contour and not its form. In this case, the pressing force for the contours with the same length, but with different geometries (circle, square, hexagon, triangle and shearing) may have different values. To demonstrate this hypothesis were made experimental tests which demonstrated this supposition. Also, this hypothesis was verified using the finite element analysis (FEA) in order to show the possible differences and to view the material behaviour during punching process. The calculated punching force, the experimental obtained punching force and the force determined using FEA were centralized into a table and were made graphics that show the variation of punch force according with the geometry of punched contour. The analysed materials are AISI 304, DC01, Al99.8 and Brass. The software used to make the finite element analysis is Deform 3D version 6.1 (service pack 2).
© The Authors, published by EDP Sciences, 2017
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