V曲げされたアルミニウム板のリストレーション加工
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概要
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When the surface of the press product received local damage, the value of the product falls off largely. The reconstruction processing is carried out to return the surface of the product to an original shape and dimension. However, there are many difficulties in reconstruction processing, because the mechanical properties and thickness of the sheet are not homogeneity. Such reconstruction processing is examined little. But, that is important for environmental conservation. In this paper, such processing is called 'restoration processing'. The first, the various metal sheets were bent to the V form. Next, it was tried that this metal sheet is returned to an original flat plate. The research was carried out by the experiment and rigid plastic finite element method simulation. In the case of tension stress or compression stress which were greater than yield stress were applied the bent metal sheet, that did not return to flat plate. However, V-formed metal sheet returned to flat plate by using incremental bending method. When the work hardening exponent of the metal sheet was large, restoration processing becomes difficult.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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