ＡＥ法による打抜き加工のバリ発生評価
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概要
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The wear of a punch in press equipment makes burrs on a piece of work, so that the dimensions of the product not can be properly achieved with specified accuracy. In this report, the evaluation of burr during the punching process was investigated using the AE method. The results are as follows : 1) AE is generated continuously due to burrs on a work piece. 2) AE amplitude increases with the number of pieces produced, but remains approximately constant at on reaching a certain number. This corresponds to the time of experience-based tool change. 3) There is a good correlation between the height of burr and the AE energy. 4) The AE energy caused by burrs is independent of working conditions such as punching speed, shape and dimensions of the punch. 5) Based on the above experimental results, we made a special device capable ofdetecting burrs which occur on a work piece.
- 一般社団法人 日本非破壊検査協会の論文
一般社団法人 日本非破壊検査協会 | 論文
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