2. Rolling theory
2.1 Ratings
We will therefore study crushing, widening and elongation, and their variation as a function of other factors such as rolls, grade of rolled metal...
Rolls are the rolling mill's essential tooling and an integral part of the process. They can be grooved or smooth-top. The larger the cross-section of the finished product, the larger the rolls.
Their diameters can vary from 150 to 1,600 mm, and their table lengths from a few centimetres to 2.5 m. Weights range from a few kilograms to several tens of tons. .
For simplicity's sake, in the following study we will only consider the case of rolling a rectangular section between smooth cylinders (figure
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Rolling theory