Rolling of Metals. Chapter 13. Introduction. This chapter describes Flat rolling Shape rolling Production of seamless tubing & pipe Rolling – process of reducing the thickness of a long work piece Plates – having thickness greater than 6mm Sheets – generally less than 6mm thick.
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Flat Rolling Process
Friction Forces acting on strip forces
Product of the first hot-rolling operation - Bloom or slab
Changes in grain structure during hot-rolling
Stages in two-high; (b) three-high; (c) four-high; (d) cluster millShape Rolling of an H-section part. Various other structural sections such as channels and I-beams, are rolled by this kind of process.
Various shapes can be produced by shaped rolls
(a) Schematic illustration of Ring-rolling operation. Thickness reduction results in an increase in the part diameter.
(b) Examples of cross-sections that can be formed by ring-rolling
Integrated Mills utilize everything from the production of hot metal to the casting and rolling of the finished product