Erinosho, Mutiu F. and Ojo, Saheed Olalekan and Ajiboye, Joseph S. and Akinlabi, Esther T. Effect of Punch Diameters on Shear Extrusion of 6063 Aluminium Alloy. In: World Congress on Engineering, July 1-3, 2015, London, UK pp. 1240-1242. ISBN 978-988-14047-0-1. (2015)
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Abstract
This paper reports the effect of punch diameters on the shear extrusion of 6063 Aluminium alloy. During the shear extrusion process, Aluminium billets of considerable diameter 30 mm and height 25 mm were inserted in a die hole and different punches of diameter 12 mm, 14 mm, 16 mm and 18 mm respectively were allowed to come in contact to perform the shear operation. The setup took place under a hydraulic press with maximum capacity of 600 kN. This work is aimed at studying the selection of the optimum punch diameter for shear extrusion using local groundnut oil as the lubricant. Different extrusion pressures were measured and the punch with a diameter of 18 mm gives the highest load of 77.7 kN while the punch with a diameter of 12 mm gives the lowest load of 51.2 kN. An indication shows that, an increase in the punch diameters led to an increase in the height of the extrudates and this in turn reduces the stress induced
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Research Area: | Computer Science and Applications |
| Depositing User: | Caterina Tangheroni |
| Date Deposited: | 04 Apr 2016 09:28 |
| Last Modified: | 04 Apr 2016 09:28 |
| URI: | http://eprints.imtlucca.it/id/eprint/3352 |
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