工程科学学报，第39卷，第5期：747-755.2017年5月 Chinese Journal of Engineering,Vol.39,No.5:747-755,May 2017 DOI:10.13374/j.issn2095-9389.2017.05.013;http://journals.ustb.edu.cn 不同送进量对皮尔格轧制成形的影响及验证 楚志兵12)，魏栋，杨彦龙)，黄庆学12)四，胡正寰23) 1)太原科技大学重型机械教有部工程研究中心，太原030024 2)太原科技大学山西省冶金设备设计理论与技术重点实验室，太原030024 3)北京科技大学机械工程学院，北京100083 ☒通信作者，E-mail:LGDXHQX@163.com 摘要皮尔格冷轧无缝钢管过程中为了获得性能较好的成品需要选择合理的送进量数值，本文以冷轧304不锈钢为研究 对象，借助有限元模拟软件对不同送进量下的皮尔格冷轧过程进行了完整的仿真，对比分析了送进量对金属流动速度、轧制 力、等效应力、残余应力及管材回弹的影响规律.结果表明轧制过程中孔型背脊和与轧辊接触的孔型侧壁处管材金属流动速 度随送进量增加而增加，轧制力、等效应力及残余应力均随送进量的增加而增大，并且送进量的增大还会显著增加管材的回 弹量.借助试验轧机对不同送进量下皮尔格冷轧管进行轧制试验，对试验得到的管材进行尺寸和残余应力测量，测量结果与 有限元仿真结果基本一致，为皮尔格轧制过程不同送进量的选择提供依据. 关键词皮尔格冷轧：送进量：孔型背脊：等效应力：残余应力 分类号TG335.7 Influence and verification of different feed ranges on cold pilgering CHU Zhi-bing),WEI Dong,YANG Yan-long,HUANG Qing-xue,HU Zheng-huan 1)Heavy Machinery Engineering Research Center of Ministry of Education,Taiyuan University of Science and Technology,Taiyuan 030024,China 2)Shanxi Provincial Key Laboratory of Metallurgical Device Design Theory and Technology,Taiyuan University of Science and Technology,Taiyuan 030024,China 3)School of Mechanical Engineering.University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:LGDXHQX@163.com ABSTRACT To achieve better performance in finished cold-pilger rolled stainless steel tubes,it is critical to select an appropriate feed range.In this study,cold-rolling 304 stainless steel tube was used as the research object to simulate the entire cold-pilgering process at different feed ranges.Using finite element software,it was comparatively analyzed that the feed range effects on the metal flow rate,rolling force,equivalent stress,residual stress,and piping spring-back.The results indicate that the metal flow rate increa- ses with an increased feed range in the groove bottom and the contact of the groove flank with the roll.In addition,the rolling force, equivalent stress and residual stress increase with increases in the feed range,increments of which will increase the spring-back of the piping.Rolling tests at different feed ranges were performed with the help of experimental rolling mill and it is found that test results are roughly identical to the simulation results.experimental test results regarding the dimensions and residual stress of the piping provide evidence for optimizing the selection of the feed range in pilger rolling. KEY WORDS cold pilgering;feed range;groove bottom;equivalent stress;residual stress 收稿日期：2016-06-27 基金项目：国家自然科学基金资助项目(51105264)：山西省青年科技基金资助项目(2015021111)：专利推广实施资助专项资助项目 (20161006):山西省研究生教育创新项目资助项目(2016$Y055):研究生科技创新资助项目(20145004)：太原科技大学博士科研启动项目资 助项目(20122017)工程科学学报,第 39 卷,第 5 期:747鄄鄄755,2017 年 5 月 Chinese Journal of Engineering, Vol. 39, No. 5: 747鄄鄄755, May 2017 DOI: 10. 13374 / j. issn2095鄄鄄9389. 2017. 05. 013; ;http: / / journals. ustb. edu. cn 不同送进量对皮尔格轧制成形的影响及验证 楚志兵1,2) , 魏 栋1) , 杨彦龙1) , 黄庆学1,2) 苣 , 胡正寰2,3) 1) 太原科技大学重型机械教育部工程研究中心, 太原 030024 2) 太原科技大学山西省冶金设备设计理论与技术重点实验室, 太原 030024 3) 北京科技大学机械工程学院, 北京 100083 苣 通信作者, E鄄mail: LGDXHQX@ 163. com 摘 要 皮尔格冷轧无缝钢管过程中为了获得性能较好的成品需要选择合理的送进量数值,本文以冷轧 304 不锈钢为研究 对象,借助有限元模拟软件对不同送进量下的皮尔格冷轧过程进行了完整的仿真,对比分析了送进量对金属流动速度、轧制 力、等效应力、残余应力及管材回弹的影响规律. 结果表明轧制过程中孔型背脊和与轧辊接触的孔型侧壁处管材金属流动速 度随送进量增加而增加,轧制力、等效应力及残余应力均随送进量的增加而增大,并且送进量的增大还会显著增加管材的回 弹量. 借助试验轧机对不同送进量下皮尔格冷轧管进行轧制试验,对试验得到的管材进行尺寸和残余应力测量,测量结果与 有限元仿真结果基本一致,为皮尔格轧制过程不同送进量的选择提供依据. 关键词 皮尔格冷轧; 送进量; 孔型背脊; 等效应力; 残余应力 分类号 TG335郾 7 Influence and verification of different feed ranges on cold pilgering CHU Zhi鄄bing 1,2) , WEI Dong 1) , YANG Yan鄄long 1) , HUANG Qing鄄xue 1,2) 苣 , HU Zheng鄄huan 2,3) 1) Heavy Machinery Engineering Research Center of Ministry of Education, Taiyuan University of Science and Technology, Taiyuan 030024, China 2) Shanxi Provincial Key Laboratory of Metallurgical Device Design Theory and Technology, Taiyuan University of Science and Technology, Taiyuan 030024, China 3) School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China 苣 Corresponding author, E鄄mail: LGDXHQX@ 163. com 收稿日期: 2016鄄鄄06鄄鄄27 基金项目: 国家自然科学基金资助项目(51105264 );山西省青年科技基金资助项目( 2015021111 );专利推广实施资助专项资助项目 (20161006);山西省研究生教育创新项目资助项目(2016SY055);研究生科技创新资助项目(20145004);太原科技大学博士科研启动项目资 助项目(20122017) ABSTRACT To achieve better performance in finished cold鄄pilger rolled stainless steel tubes, it is critical to select an appropriate feed range. In this study, cold鄄rolling 304 stainless steel tube was used as the research object to simulate the entire cold鄄pilgering process at different feed ranges. Using finite element software, it was comparatively analyzed that the feed range effects on the metal flow rate, rolling force, equivalent stress, residual stress, and piping spring鄄back. The results indicate that the metal flow rate increa鄄 ses with an increased feed range in the groove bottom and the contact of the groove flank with the roll. In addition, the rolling force, equivalent stress and residual stress increase with increases in the feed range, increments of which will increase the spring鄄back of the piping. Rolling tests at different feed ranges were performed with the help of experimental rolling mill and it is found that test results are roughly identical to the simulation results. experimental test results regarding the dimensions and residual stress of the piping provide evidence for optimizing the selection of the feed range in pilger rolling. KEY WORDS cold pilgering; feed range; groove bottom; equivalent stress; residual stress