锻压技术

三辊横轧工艺及成形参数的实验研究

英文标题：Experimental study on parameters of technology and forming in three rollers cross-rolling

作者：邓玉山李明哲付文智李湘吉孙钢姚晓静

单位：吉林大学辊锻工艺研究所吉林大学辊锻工艺研究所吉林大学辊锻工艺研究所吉林大学辊锻工艺研究所吉林大学辊锻工艺研究所中国第一汽车集团公司教育培训中心吉林长春130025 吉林长春130025 吉林长春130025 吉林长春130025 吉林长春130025 吉林长春130011

关键词：三辊横轧变形抗力成形角失稳

分类号：TG335

出版年,卷(期):页码：2006,31(5):81-83

摘要：

三辊横轧工艺已应用于汽车半轴套管的生产,由于成形参数直接影响制件的质量,合理选择这些参数,有助于保证制件的质量。影响三辊横轧工艺的关键参数是成形辊的成形角度,其大小对变形抗力、推进力、壁厚增量有着密切的关系。本文通过试验得出轧辊成形角与这些参数之间的对应关系,确定了Pn-β、P-β、ΔH-β曲线关系,在控制制件质量时用以指导这些参数的合理选择。另外,本文分析了三辊横轧工艺在工件缩径过程中产生失稳的原因,消除这些原因可以有效的控制制件的质量。

Three rollers cross-rolling technology has been applied to the production of automobile half-axle casing, because that the workpiece quality is influenced by the forming parameters which are selected reasonably to improve the workpiece quality.The forming angle of forming roller is the key parameter to influence the technology in three rollers cross-rolling,which is close connected to deformation resistance、pushing force and wall thickness increment.Corresponding relationship between roller forming angle and the parameters has been acquired by examination and Pn-β 、P-β 、ΔH-β curve relationship is confirmed in order to give the instruction on reasonably choosing the parameters in controlling the workpiece quality.In addition,the reason that the workpiece of three rollers cross-rolling having instability in the course of shrinking has been analyzed in this paper.Avoiding these reasons will improve the workpiece quality effectively.

基金项目：

参考文献：

[1]韩英淳,庄蔚敏,鄂大辛.管坯正挤横轧的成形极限[J].塑性工程学报,2004,11(1):65 67.
[2]韩英淳,王学明,朱晓波.半轴套管正挤横轧变化规律与产品质量控制[J].中国机械工程,2003,14(6):517 519.
[3]何忠宝,韩英淳,崔波.半轴套管横轧工艺参数的测量[J].汽车工艺与材料,1996(2):36 37.

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