Die-set Development of Multi-action Forward Extrusion for Hole-flanging
碩士 === 南台科技大學 === 機械工程系 === 93 === Wall thickness and flange height are restricted by the formation limit of metal blank during hole flanging operation. Wall thickness decreases and necking and/or fracture occur before the flange reaches the desired height in the process of drawing, and consequently...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2005
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| Online Access: | http://ndltd.ncl.edu.tw/handle/49102334293533906795 |