What is the function of the pass line in a rolling mill?

Question

Accepted Answer

The pass line in a rolling mill is the reference line that indicates the centerline of the rolling mill stands.

The pass line helps in setting up the correct height of the rolls to ensure proper alignment with the material being rolled.
It serves as a guide for adjusting the roll gap and entry/exit guides to achieve the desired thickness and shape of the rolled product.
Maintaining the pass line is crucial for ensuring consistent quality and dimensional accuracy of the rolled products.
Examples: In a hot rolling mill, the pass line is used to control the temperature and shape of the metal being rolled.
Examples: In a cold rolling mill, the pass line helps in achieving the desired thickness and surface finish of the rolled material.

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