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Hot Mill Rolling

Hot Mill Rolling -  Where the Technology and Human efforts Coalesce

Hot mill rolling is associated with the metal work done in the steel manufacturing companies. The rolling is associated with the fabrication of metals either in the form of sheets or in the form of rods. Any form of rolling except sheets is termed as profile rolling. Hot mill rolling is also one of the processes which come under rolling. There are basically two types of rolling – hot and cold rolling. In this hot rolling process the various pieces of metals are passed on through a slab to make it thin and rigid structure.

Therefore before forming it into a rigid structure they are heated above the re-crystallization temperature. Rail roads are prepared by these metals only. The rail roads are prepared from the billets. The basic work of hot mill rolling is to manipulate the size and shapes of the metal sheets whether it is manipulation of metal into thin sheets or transformation of thick layer into thin layer or changing the shape of metal sheets into any kind such as rods and as per the need and requirement of use in a particular segment for which it is being made. The metal is used everywhere. Not only in offices, has construction sited but also in houses. Therefore, the metals are needed in different shapes as per the need and requirement.

The hot mill rolling process is used to mould the product as per the need of the concern. While manipulating a metal the process used is that the metals are passed on between the two slabs to make it a thin layer and mould it into any shape as one desires. The first rolling mill was created in 1779. Since then many hot mill rolling mills have come into existence. The objective of manipulation is achieved by heating the component or material above the normal critical temperature. That is above the re-crystallization temperature. As per the customer designs and need the metals are rolled in that manner. Hot mills are upgraded with the advent of new and more advanced technology. The hot mills are now able to do the work more easily than earlier and with greater accuracy and less time. The drums or bars through which the metal or the material is passed on consist of pinch rolls which then force the thick layer to thin layer.

The hot rolling mills are of various types. These are of great help to the society and hence need a lot of care while doing the work process. Proper handling of machine and carrying the process is necessary to avoid any injuries. The hot mills were created to form these needed products at the right time and in right quality. These products form a basis for any type of work whether it is related to construction or making of any automobile product. Thus, the hot rolling mills are created to manipulate the metals or any other thick material into sheets as per the need and requirement of the customer or a business concern.

Source: Hot rolling of steel, Volume 10 of Manufacturing engineering and materials processing by William L Roberts, CRC Press, 1983, ISBN # 0824713451, 9780824713454