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1. 发明授权

US5463558A Method for designing a binder ring surface for a sheet metal part 失效
标题翻译：用于设计金属片部件的粘合剂环表面的方法
公开(公告)号：US5463558A
公开(公告)日：1995-10-31
申请号：US191696
申请日：1994-02-04
申请人： Sing C. Tang , Maurice M. K. Lou , Thomas J. Balun
发明人： Sing C. Tang , Maurice M. K. Lou , Thomas J. Balun
IPC分类号： B21D22/22 , B21D24/04 , B21D37/00 , G05B19/4097 , G06F17/50 , G05B19/18
CPC分类号： G05B19/4097 , B21D22/22 , B21D24/04 , B21D5/004 , G05B2219/35044 , G05B2219/45143 , Y02P90/265 , Y10T29/5116
摘要： Method for aiding sheet metal forming tool design, for use with a computer including memory, and forming tools including a draw die, punch and binder having surfaces designed to form the sheet metal into a part, the sheet metal being represented as a mesh including a plurality of nodes. The method includes evaluating an initial binder-set associated with an initial binder surface design during a first stage of forming the sheet metal in which at least one of the plurality of sheet metal mesh nodes is forced against the binder surface, and detecting an area of unacceptable deformation on the sheet metal mesh. The method also includes identifying the at least one of the plurality nodes forced against the binder surface associated with the unacceptable sheet metal deformation and releasing the at least one of the plurality of nodes identified, so as to allow the identified nodes to move as the sheet metal assumes a relaxed state. The method also includes redesigning the initial binder surface based on the relaxed state to obtain a modified binder surface.
摘要翻译：用于辅助金属板成型工具设计的方法，用于包括记忆体的计算机，以及包括具有被设计成将金属片形成为一部分的表面的拉伸模具，冲头和粘合剂的成形工具，该金属板表示为包括多个节点。该方法包括在形成金属板的第一阶段期间评估与初始粘合剂表面设计相关联的初始粘合剂组合，其中多个金属板网格结构中的至少一个被强制抵靠粘合剂表面，并且检测钣金网上不可接受的变形。该方法还包括识别与不可接受的钣金变形相关联的强制抵靠粘合剂表面的多个节点中的至少一个，并且释放所识别的多个节点中的至少一个节点，以便允许所识别的节点作为片材移动金属放松状态。该方法还包括基于松弛状态重新设计初始粘合剂表面以获得改性的粘合剂表面。

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