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1. 发明授权

US07130708B2 Draw-in map for stamping die tryout 有权
标题翻译：用于冲压模具试用的绘图
公开(公告)号：US07130708B2
公开(公告)日：2006-10-31
申请号：US10404728
申请日：2003-04-01
申请人： Chuan-Tao Wang , Norman Goan , Jimmy J. Zhang
发明人： Chuan-Tao Wang , Norman Goan , Jimmy J. Zhang
IPC分类号： G06F19/00
CPC分类号： B21D37/20
摘要： Sheet metal forming is a manufacturing process in which flat sheet metal is drawn into a die cavity to form a product shape. Draw-in amount is the single most important stamping index that controls all forming characteristics (strains and stresses), formability failures (splits, wrinkles) and surface quality (distortions) on a panel. Adaptation of a new die set for repetitively stamping sheet metal parts to a part design specification is simplified by using a math-based simulation of the stamping operation under specified engineering stamping conditions for the specified part. The stamping simulations are used to create an engineered draw-in map comparing selected locations on the peripheral edge of the stamped part with corresponding locations on the peripheral edge of its original sheet metal blank. The resulting map of sheet metal draw-in dimensions reflect suitable displacements of the metal sheet between the binder ring and binder surface of the female die member at all such locations as the punch member of the die set executes its stamping operation. The engineered draw-in dimensions for a simulated part identify specific locations for adjustment of the binder ring/binder surface system in adapting the die set for production of parts.
摘要翻译：钣金成型是将平板金属拉入模腔形成产品形状的制造方法。吸入量是控制面板上所有成型特性（应变和应力），成形性故障（分裂，皱纹）和表面质量（扭曲）的最重要的冲压指标。通过在指定部件的特定工程冲压条件下对冲压操作进行数学模拟，可简化适用于将钣金零件重复冲压的零件设计规范的新模具。冲压模拟用于创建一个工程绘制图，将冲压件的外围边缘上的选定位置与其原始金属板坯的周边边缘上的相应位置进行比较。所得到的金属板拉伸尺寸映射表示在模具的冲压构件执行其冲压操作的所有位置处的金属板在粘合剂环和阴模构件的粘合剂表面之间的适当位移。模拟部件的设计的拉伸尺寸标识用于调整粘合剂环/粘结剂表面系统的特定位置，以适应用于生产部件的模具组。

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