圆孔型系统张力减径后钢管横向壁厚不均匀性的模拟

钢铁研究学报, 2000, 12(2): 29-32.

1.宝山钢铁集团公司钢铁研究院,上海,201900

2.北京科技大学压加系,北京,100083

3.北京科技大学压加系,北京,100083

Simulation on Inhomogeneity of Wall Thickness for Tube Stretch-Reduced by Round Passes System

用有限元法模拟152.5 BR圆孔型系统主变形四机架连轧过程发现:张力减径后钢管的横向壁厚分布不均匀,产生内六方趋势,内六方趋势的大小与主变形机架的数量呈直线关系.利用这种关系可预测152.5 BR圆孔型系统生产的各种规格钢管的横向壁厚不均匀程度.实际生产轧制试验证明了该有限元模拟结果的正确性.

[1]	Process management for stretch-reducing tube rolling mills[J].Tube International,1995(64):75-79.
[2]	Holmstrom A;Linder S .New Technology for In-Line Control[J].Tube International,1992,49(11):219-222.
[3]	Mihara Y .Study on the Accuracy of Wall Thickness in Seamless Tube Rolling Process[R].Nippon Kokan Tech Rep,1985,106(02):21-30.
[4]	Pfeiffer H .Method for Rolling Tubular Material Stock in a Stretch Reducing Mill[P].德国专利,DE 364521,1972-02-15.
[5]	Mihara Y;Hirakawa T;Sodani Y .Polygoning Formation in Stretch Reducing Mill[R].Nippon Kokan Tech Rep,1985,107(11):22-29.
[6]	Sodani Y;Hirakawa T;Mihara Y .Mechanism Polygoning Formation of Tube Bore in Stretch Reducing[J].Advanced Technology of Plasticity,1987,2(08):24-28.
[7]	Yamada T;Yamada M;Matsukura S .Internal polygon Formation of Stretch Reduced Tubes--The Influence of Tension and Compression during Rolling on Internal Polygon Formation[J].Technology Plastic,1993,34(12):1326-1331.

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