rolling mills method

    Rolling (metalworking) Wikipedia

    Overview MillsIron and steelOther metalsModern rollingHot and cold rollingProcessesDefects

    A rolling mill, also known as a reduction mill or mill, has a common construction independent of the specific type of rolling being performed: • Work rolls• Backup rolls are intended to provide rigid support required by the working rolls to prevent bending under the rolling load

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Cold Rolling Methods of Cold Rolling Mill Hani Tech

What are the methods of cold rolling? (1) Single sheet rolling. The two-roll mill was first used in monolithic rolling, and four-roll cold rolling mill is (2) Coil rolling.

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PROCESS OF ROLLING MILLS

25/02/2016· Good figures for rod and bar mills are 90 % to 93 %, for structural mills, the good mill utilization figures are 75 % to 78 %. If a mill rolls 80 % of the calendar year, that is 365 x 24 x 0.80

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Rolling mill method International Rolling Mills

Rolling mill method . United States Patent 4730475 . Abstract: A metal workpiece such as a slab is rolled into a desired width without requiring broadsiding. The system generally involves reducing a first portion along the width of the workpiece to a first thickness while creating a second portion along the width of the workpiece having a thickness greater than the first portion thickness and

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US5406817A Rolling mill and rolling method Google

A rolling mill has a work roll and a back-up roll for supporting the work roll vertically and driving it. A plurality of horizontal support rollers contact the work roll at barrel diameter outside...

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US4730475A Rolling mill method Google Patents

A metal workpiece such as a slab is rolled into a desired width without requiring broadsiding. The system generally involves reducing a first portion along the width of the workpiece to a first thickness while creating a second portion along the width of the workpiece having a thickness greater than the first portion thickness and having a predetermined mass.

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PROCESS OF ROLLING MILLS

25/02/2016· A wire rod rolling mill, for example, gradually reduces the cross-sectional area of a starting billet (e.g., 150 mm square, 10-12 meters long) down to a finished rod (as small as 5.0 mm in

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New Rolling Method Of Reversing Cold Rolling Mill

There has been developed a new rolling method and facility (Zoom-MillTM, Zero-Oriented Off-gauge Minimization) that allows a leader strip and a product coil are connected using a spot welding machine and are finished through even-number passes in a reversing cold rolling mill. It is expected to reduce unrolled portions (improvement of

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US4730475A Rolling mill method Google Patents

A metal workpiece such as a slab is rolled into a desired width without requiring broadsiding. The system generally involves reducing a first portion along the width of the workpiece to a first thickness while creating a second portion along the width of the workpiece having a thickness greater than the first portion thickness and having a predetermined mass.

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Rolling of Metals: Process and Principles (With Diagram)

The rolling process is shown in Fig. 2.1: Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled

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GB8816390D0 Rolling mill & method Google Patents

238000005096 rolling process Methods 0.000 title 1 GB888816390A 1988-07-09 1988-07-09 Rolling mill & method Pending GB8816390D0 ( en ) Priority Applications (1)

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US4669293A Continuous rolling method and

A continuous rolling mill is constructed by arranging driven horizontal rolling mills and undriven vertical rolling mills alternately and determining the values of the thickness of the rolled...

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Metal Rolling Manufacturing

In a metal rolling process, rolls, stands, bearings, housing, motors, and other mechanical equipment are all a necessary part of the manufacturing operation. The place where all the equipment for metal rolling manufacture is set up is called a rolling mill. Rolling mills often vary in

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New Rolling Method R f Reversing Cold Rolling Mill

In this article, the development of a new rolling method (Zoom-MillTM, Zero-oriented off-gauge minimi zation) that enables unrolled portions to be reduced using a leader strip and a spot weld ing machine and thereby aims improvement of productivity will be presented. OUTLINE OF

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Rolling mill and rolling method Hitachi, Ltd.

Rolling mill and rolling method . United States Patent 6003355 . Abstract: To provide a rolling mill in which work rolls being supported horizontally by static pressure bearings wherein, even under the action of an excessive horizontal force, preventing contact between the work rolls and the static pressure bearings to ensure the production of a strip product free of flaw and superior in its

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Puddling (metallurgy) Wikipedia

Puddling is a step in the manufacture of high-grade iron in a crucible or furnace. It was invented in Great Britain during the Industrial Revolution.The molten pig iron was stirred in a reverberatory furnace, in an oxidizing environment, resulting in wrought iron.It was one of the most important processes of making the first appreciable volumes of valuable and useful bar iron (malleable

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