该设备能用来测量轧制过程带材的张力和速度，还能用其实现“S”方式轧制时对轧辊的包角调整。

Functions of the device include the measurement of strip tension and mill speed as well as adjustment of flanging the rolled piece with respect to the roll during"S"roiling.

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研究了铝及铝合金板带材经带有较大前后张力的四重高速不可逆冷轧机轧制后产生宽减的现象。

This article mainly studies the phenomenon of width reducing of aluminium and aluminium alloy material which is rolled by 4-high non-reverse cold rolling mill with more forward and backward tension.

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