An Experiment on Cold Rolling with Back Tension

概要

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The effects of back tension on the lubricating conditions are investigated on a laboratory rolling mill for three nonferrous sheet metals. Back tension lowers the inlet pressure and helps the lubricant to enter the roll bite, thus brightness of the rolled surface and in most cases the coefficient of friction are decreased by increasing back tension. Though the variation in oil quantity dragged into the roll bite may be estimated by the proposed parameter t_d=η(U_0+U_1)/[α(2κ_1-p_1)], the coefficient of friction depends on not only t_d but also reduction and material rolled . Some of the reasons are also suggested.
一般社団法人日本機械学会の論文