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2. 发明申请

WO2004053740A3 METHOD FOR SIMULATING A DIE-STAMPING PROCESS 审中-公开
标题翻译：模拟压印工艺的方法
公开(公告)号：WO2004053740A3
公开(公告)日：2006-09-28
申请号：PCT/FR0303564
申请日：2003-12-02
申请人： ESI GROUP , MEHREZ FAYCAL , EL KHALDI FOUAD , AHOUANGONOU CHRISTIAN , VIOSSAT PIERRE , BOROT CAROLINE
发明人： MEHREZ FAYCAL , EL KHALDI FOUAD , AHOUANGONOU CHRISTIAN , VIOSSAT PIERRE , BOROT CAROLINE
IPC分类号： G06F17/50
CPC分类号： G06F17/5009 , G06F2217/16
摘要： The invention concerns a method for digital simulation of a die-stamping process comprising the following steps: recording at least one metamodel consisting of a permanent collection of digital representations of elementary components of die-stamping tools, each of said elementary components being defined in the form of finished elements, and comprising digital static attributes; recording a digital model for deforming a blank used in the process to be simulated; selecting a subassembly of said permanent collection, by temporarily recording said elementary components representing a particular die-stamping tool corresponding to the simulation concerned, said subassembly constituting a specific collection in the form of digitized finished elements of the specific collection, parameterizing said digitized finished elements of the specific collection, and the corresponding attributes based on the characteristics of the process to be simulated; recording the digital data representing the relative movements of the components of said specific collection, based on operating cycles of the die-stamping process to be simulated; recalculating the digital models for deforming the blank based on the recorded digitized data in the parameterized specific collection, of the digital model of the blank, and of the specific displacements; generating a digital or visual representation of deformations of the blank by applying said recalculated digital model.
摘要翻译：本发明涉及一种用于模冲压工艺的数字模拟的方法，包括以下步骤：记录至少一个元模型，其由模冲压工具的基本部件的数字表示的永久集合组成，每个所述基本部件被定义在完成元素的形式，并且包括数字静态属性; 记录用于变形待模拟过程中使用的空白的数字模型; 通过临时记录表示与所述模拟相对应的特定模具冲压工具的所述基本组件，选择所述永久性收集的子组件，所述子组件以特定集合的数字化成品元素的形式构成特定集合，参数化所述数字化成品元素的具体集合，以及相应的属性，基于要仿真的过程的特点; 基于要模拟的冲压工艺的操作循环记录表示所述特定集合的部件的相对运动的数字数据; 重新计算数字模型，用于基于参数化的特定集合中记录的数字化数据，空白数字模型以及特定位移来变形空白; 通过应用所述重新计算的数字模型来生成空白变形的数字或视觉表示。

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