한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)
- 제15권12호
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- Pages.68-71
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- 1998
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- 1225-9071(pISSN)
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- 2287-8769(eISSN)
사각 컵 드로잉 공정에서의 최적 블랭크 형상 결정
Experimental Determination of the Optimum Blank Shape in Rectangular Cup Drawing
초록
Rectangular deep drawing process is widely used in sheet metal forming. But there are various defects such as earring, wrinkling, tearing, etc. In order to avoid the defects, an optimum blank shape is required. But it has not been generalized to determine the optimum blank shape because deep drawing processes are involved in complex process parameters. So, it is very necessary to do research systematically about determining the optimum blank shape of deep drawing process. In this study a rectangular cup drawing test has been carried out to determine the optimum blank shape for various stainless steel sheets. From the test, a new blank model, which has no earring, is proposed.