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1. 发明授权

US07607329B2 Method for free bending 失效
标题翻译：自由弯曲的方法
公开(公告)号：US07607329B2
公开(公告)日：2009-10-27
申请号：US11385050
申请日：2006-03-17
申请人： Burkhard Heller , Michael Kaever , Nader Ridane
发明人： Burkhard Heller , Michael Kaever , Nader Ridane
IPC分类号： B21D5/02 , B30B15/26 , B21C51/00 , G06F15/46
CPC分类号： B21D5/02 , B21C51/00 , B21D5/01 , Y10S72/702
摘要： With a method according to the invention for free bending, a workpiece to be machined, such as a sheet metal plate, is brought into contact with a bending edge of a lower die. A bending punching tool is moved opposite to the lower die, such that the sheet metal plate is bent by the punching tool in terms of generating a predetermined target bending angle across the bending edge. In this case, the achieved bending angle is measured at least after a first bending process and the bending force to be applied and the measuring curve resulting therefrom are determined during the bending process as a function of the traverse path of the bending punching tool. A correction value for the course of the bending process is subsequently determined from the resulting deviation between the predetermined target bending angle and the achieved bending angle and as a result of the detected measurement curve and a model-based calculation of the bending behavior and further bending processes are carried out in view of the correction values.
摘要翻译：利用根据本发明的用于自由弯曲的方法，待加工的工件（例如金属板）与下模的弯曲边缘接触。弯曲冲压工具与下模相对地移动，使得金属板通过冲压工具弯曲，从而在弯曲边缘上产生预定的目标弯曲角度。在这种情况下，至少在第一弯曲过程和施加的弯曲力之后测量所获得的弯曲角度，并且在弯曲过程期间根据弯曲冲压工具的横动路径确定由其产生的测量曲线。随后根据所确定的目标弯曲角度与实现的弯曲角度之间的偏差确定弯曲过程的校正值，并且作为检测到的测量曲线的结果和基于模型的弯曲行为和进一步弯曲的计算鉴于校正值进行处理。

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