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冷弯成形中预冲孔畸变控制方法实验与仿真研究
Experiment and Research on Defect Control of Pre-punched Rollforming Sheet Metal
【摘要】 本文以预冲孔板料为实例 ,通过现场实验得到了控制预冲孔板料冷弯成形过程中孔形畸变的方法 ,分析了孔形畸变的产生机理 ,并对实验结果进行了总结 .同时利用计算机仿真软件模拟了加工过程 ,并将现场实验结果和计算机仿真结果进行了比较
【Abstract】 The rollforming method of pre punched sheet metal is discussed. This method can be used in defect control of pre punched sheet metal. The theory of defect control is analyzed and summarized. The result can help to choose an appropriate technical method for pre punched cold roll forming in other similar profiles.
【关键词】 冷弯成形;
预冲孔;
薄钢板;
MARC;
孔形畸变;
【Key words】 roll forming; pre punched; sheet metal; MARC; roll pass deformation;
【Key words】 roll forming; pre punched; sheet metal; MARC; roll pass deformation;
- 【文献出处】 北方工业大学学报 ,Journal of North China University of Technology , 编辑部邮箱 ,2003年03期
- 【分类号】TG386
- 【被引频次】6
- 【下载频次】139