楔横轧轧件轴向变形研究  

STUDY ON AXIAL DEFORMATION OF WORKPIECE IN CROSS WEDGE ROLLING

作　　者：杨翠苹[1] 胡正寰[1] 张康生[1] 杜惠萍[1] 

机构地区：[1]北京科技大学机械工程学院,北京100083

出　　处：《机械工程学报》2004年第9期80-83,共4页Journal of Mechanical Engineering

基　　金：国家自然科学基金资助项目(50035010)

摘　　要：采用三维弹塑性有限元模拟了楔横轧的轧制过程,分析了轧制过程中金属沿轴向的相对变形规律。在比较不同工况轴向相对变形程度的基础上,获得了模具主要工艺参数对轧件轴向延伸产生的影响。研究结果对于选择合理的模具工艺参数,避免轧件成形缺陷,保证零件质量起指导作用。3-D elasto-plastic finite element method is adopted to simulate the process of cross wedge rolling, the relative deformation rule in the axial direction of workpiece is analyzed. On the base of comparing the relative deformation degree under the different rolling conditions, the influence of process parameters on the axial stretching of workpiece is obtained. This result plays a guiding role on selecting appropriate parameters of the tools and avoiding the formation defects, guaranteeing the quality of parts.

关 键 词：楔横轧 有限元 模拟 轴向变形 

分 类 号：TG335.19[金属学及工艺—金属压力加工]