异步轧制搓轧区几何参数

doi:10.13228/j.boyuan.issn0449-749x.20140511

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Abstract The calculation formulas of geometric parameters， such as neutral angles and cross shear ratio in asymmetrical rolling were found. Different types of deformation region in asymmetrical rolling were distinguished by the values of neutral angles. The influences of speed ratio， friction coefficient， entry thickness and reduction ratio on the value of cross shear ratio were analyzed by the formula for cross shear ratio established in this study. The cross shear ratio is one of the most important parameters in asymmetrical rolling which determines the rolling force the asymmetrical rolling can reduce. The cross shear ratio can also influence the permissible minimum thickness and the micro-structure of rolled piece. The formula to calculate the cross shear ratio provides the theoretical foundation for the parameter optimization of asymmetrical rolling process.The results of rolling experiment proved that the formulae for calculating the neutral angles and cross shear ratio are consistent with the reality.

Received: 20 August 2014 Published: 13 April 2015

PACS:

TG334.1

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	TANG De-Lin
	LIU Xiang-Hua

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TANG De-Lin,LIU Xiang-Hua. Geometric?parameters in cross shear zone of asymmetrical rolling[J]. Iron and Steel, 2015, 50(4): 34-39.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20140511 OR http://www.chinamet.cn/Jweb_gt/EN/Y2015/V50/I4/34

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