Hot Rolling Mill

The earliest known rolling of metals was around the fourteenth century, its very small rolls were used to flatten cold metals such as gold, silver, or used in jewelry or works of art. As well as we known that Leonardo da Vinci describes in his notes machines for the   cold rolling  of sheets and bars in 1480, but it is unlikely that these mills ever constructed. Until the last half of the sixteenth century, the  cold rolling  particularly began to take on more importance as lead, began to be used for roofing and other applications such as organ pipes. The seventeenth century saw the hot rolling of bars of ferrous materials into thin sheets throughout Europe and especially in Germany, with applications later in that century in England and Wales. These mills were single  stand mill . It was not until the eighteenth century that metal was rolled in successive stands arranged as a tandem mill, the first recorded of which was for the  hot rolling  of  wire rods  in England in 1766, and 1