Analysis of Transverse Wall Thickness Precision of Steel Tube Rolled by Semi-Floating Mandrel Mill

Yuan De Yin; Sheng Zhi Li; Jie Xu; Yang Hua Li; Gong Ming Long; Pi An Deng

doi:10.4028/www.scientific.net/AMR.97-101.3097

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Analysis of Transverse Wall Thickness Precision of...

Analysis of Transverse Wall Thickness Precision of Steel Tube Rolled by Semi-Floating Mandrel Mill

Abstract:

With the aid of commercial finite element analysis software MSC. Superform, the high pressure boiler steel tube continuous rolling process with 6-stand semi-floating mandrel is simulated, and the distribution characteristic of transverse wall thickness is analyzed. It indicates that it presents “M” shape that the distribution of transverse wall thickness of hollow tube along one-fourth groove periphery. Transverse wall thicknesses have low values at the top, the bottom and sidewall 45 degree or so of groove, and they have high values at the sidewall 23 degree and 67 degree or so of groove. Then the improved measure is put forward on the basis of analyzing the causes responsible for transverse wall thickness. By the comparison of the simulation results, they have been improved obviously that transverse wall thickness precision and real roundness of rolled hollow tube using the improved measure.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

3097-3103

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.3097

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Online since:

March 2010

Authors:

Yuan De Yin, Sheng Zhi Li, Jie Xu, Yang Hua Li, Gong Ming Long, Pi An Deng

Keywords:

Continuous Rolling, FEM Simulation, Seamless Steel Tube, Semi-Floating Mandrel, Transverse Wall Thickness Precision

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