５０８３アルミニウム合金厚板のＶ曲げによる変形形状
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概要
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Bending is a fundamental common process, which has been applied in industry for hundreds of years. There are many research works on bending process for thin sheet metal with thickness of 3 mm or less, which is used as components for various products. On the other hand, bending process for plate has also been applied according to the diversity of market needs, but only for special usage. Therefore, only a few research works have been presented and the expertise is still limited. Ogawa shows some examination results, those are able to control deformation of sheet by changing die open width and punch radius of sheet metal bending up to 6 mm thickness. In the present research, experimental examination is carried out with emphasis on the effect of the die open width on the bending behavior of thick plate with 10 mm thickness: deformation in the ridge line direction, spring-back and deduction of total length. As a result, it is quantitatively clarified that the die open width has some amount of effect on the unique phenomena in plate bending such as saddle type deformation, reduction of bending curvature from the punch radius and the deduction discrepancy from theoretical value.
- 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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