Abstract
A quartic flow velocity field is proposed to establish an online rolling force predicting model for the rolling process of aluminum alloy thick plates. The solving process relies on the energy method. Through comparing the calculated rolling force data and the actual rolling force, it is found that this model can be applied for online rolling force predicting. The assumption of the metal flow velocity in this paper is a beneficial attempt at the plastic mechanics.
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Abbreviations
- α :
-
Neutral angle
- H :
-
Initial thickness
- h :
-
Exit thickness
- h(x):
-
Thickness at the coordinate of x
- v 0 :
-
Initial flow velocity
- v 1 :
-
Exit flow velocity
- v(x,z):
-
Horizontal flow velocity
- u(x,z):
-
Flow velocity in the thickness direction
- A 1, A 2 :
-
Undetermined coefficient
- R :
-
Radius of work roller
- l :
-
Length of deformation zone in rolling direction
- x n :
-
Coordinate in x axial of neutral point
- m :
-
Friction coefficient
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Funding
This study was supported by the Fundamental Research Funds for the Central Universities of China (Grant No. FRF-GF-20-24B and FRF-MP-19-014) and Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (No. 311021013).
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Xiuliang Wang established and solved the model and completed this manuscript; Weidong Zhang offered part of literature and the device for solving the model and then organized the industrial experiment; Yibo Ai collected data in the industrial experiment.
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Wang, X., Zhang, W. & Ai, Y. A novel model based on quartic velocity field for hot rolling force of aluminum alloy thick plate. Int J Adv Manuf Technol 127, 5119–5125 (2023). https://doi.org/10.1007/s00170-023-11885-1
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DOI: https://doi.org/10.1007/s00170-023-11885-1