A new forming method of solid bosses on a cup made by deep drawing |
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| Authors: | Z.G. Wang Y. Yoshikawa K. Osakada |
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| Affiliation: | 1. Department of Mechanical and Systems Engineering, Gifu University, Yanagido, Gifu, Japan;2. School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan |
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| Abstract: | A new process for forming bosses on the bottom of a cup made by deep drawing is proposed: solid bosses are formed by compression of the cup bottom during deep drawing. By the combined effect of compression and deep drawing, bosses are formed with a lower load than simple compression or backward extrusion. It is found that high bosses can be formed with moderate punch pressure when only one side of the blank is lubricated. |
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| Keywords: | Forming Forging Plate forging |
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