금속 판재 성형 방법, 이에 사용되는 선행 스탬핑 툴, 그리고 선행 스탬핑 툴 최적 설계 방법
    1.
    发明公开
    금속 판재 성형 방법, 이에 사용되는 선행 스탬핑 툴, 그리고 선행 스탬핑 툴 최적 설계 방법 有权
    金属板成型方法,其中使用的预压工具和工具的最佳设计方法

    公开(公告)号:KR1020140032549A

    公开(公告)日:2014-03-17

    申请号:KR1020120097255

    申请日:2012-09-03

    Abstract: The present invention provides a metal plate forming method which minimizes a deformation ratio of a curvature part when a dimple is formed, and includes a first and a second stamping step. In the first stamping step, a preliminary dimple, which has an upper curvature part and a lower curvature part, is firstly stamped on a metal plate by a preliminary stamping tool. In the second stamping step, the dimple from the first stamping step is secondly stamped by a main stamping tool to be a main dimple.

    Abstract translation: 本发明提供了一种金属板形成方法,其使形成凹坑时的曲率部分的变形率最小化,并且包括第一和第二冲压步骤。 在第一冲压步骤中,首先通过预冲压工具在金属板上冲压具有上曲率部分和下弯曲部分的初步凹坑。 在第二冲压步骤中,来自第一冲压步骤的凹坑由主冲压工具二次冲压成主凹坑。

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