New mechanism describing the limiting producible thickness in ultra-thin strip rolling

作者：Xiao, Hong^*; Ren, Zhongkai; Liu, Xiao

来源：International Journal of Mechanical Sciences, 2017, 133: 788-793.

DOI：10.1016/j.ijmecsci.2017.09.046

• Ultra-thin strip rolling
• Conditional limiting producible thickness
• Theoretical limiting producible thickness
• Experimental and theoretical analysis
• Stone formula

Most scholars have found that the limiting producible thickness obtained from experiments is much less than that calculated using the traditional formula. In this work, a theory of the limiting producible thickness is analyzed. Then, a new formula for the conditional limiting producible thickness considering the restriction of the rolling force and a new formula of the theoretical limiting producible thickness without considering the rolling force restrictions are derived. The theoretical limiting producible thickness calculated by the new model is approximately 22% of the value produced from the Stone formula. Subsequently, rolling experiments were performed on 304 stainless steel, pure aluminum and pure copper using a laboratory two-high mill. Finally, the limiting producible thickness for the various materials with different rolling force was measured. The calculations from the new formula are consistent with the measured results, verifying the accuracy of the formula and solving the inaccurate calculation problem associated with limiting producible thickness that has existed for more than half a century.

• 出版日期2017-11
• 单位燕山大学