Energy Method in Stretch Reducing Process of Steel Tube

钢铁研究学报(英文版), 2008, 15(6): 39-43.

^1, , ^2, , ^3,

1.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

2.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

3.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

基金项目: Shanxi Provincial Generalization Project on Science and Technology Project of China(200707071) 国家自然科学基金(50575155)

Energy Method in Stretch Reducing Process of Steel Tube

ZHANG Fang-ping ^1, , SUN Bin-yu ^2, , WANG Jian-mei ^3,

1.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

2.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

3.Shanm Provincial Modern Rolling Engineering Center,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi,China

Keywords： upper limit power

According to the theories for stretch reducing process and steel tube plastic deformation,the energy method was used To mesh the rolled deformation zone of the steel tube into the upper limit elements,and an admissible velocity field was constructed to deduce a series of formulas of the inner virtual power consumption of deformed bodies.The rolling force during the stretch reducing process could be obtained by optimizing the upper limit power,which could provide guidelines for a proper choice of the stretch reducing process and devices for steel tube companies,as well as new products and devices.

参考文献

[1]	WANG Zu-tang;GUAN Ting-dong;XIAO Jing-rong.The Principle of Metal Plastic Forming[M].北京:中国机械出版社,1989
[2]	ZHAo Zhi-ye.Metal Plastic Deformation and Rolling Theory[M].北京:冶金工业出版社,1980
[3]	SUN Bin-yu;ZHANG Hong.The Establishment of Calculation Formulas of Rolling Force on Skew-Rolling Tube With Energy Method[J].Heavy Machinery,1998(03):22.
[4]	LI Sheng-zhi;ZHU Cheng-xu .Analysis of Interstand Tension and Deformation of Steel Tube in Stretch Reducing Mill[J].Journal of East China Institute of Metallurgy,1993,10(08):26.
[5]	ZHANG Fang-ping .The Theoretical Analysis on Stretch-Reducing Process[D].Taiyuan:Taiyuan Heavy Machinery Institute,2002.

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