GENERAL ASPECTS OF ROLL COOLING FOR HOT & COLD …
The so-called selective roll cooling is applied mainly for cold rolling mills to control the asymmetrical flatness deviations the strip width. There are furthermore across applications for special cast-rolling mills for narrow-gauge hot strip production. Normally, two rows of nozzles are used in one header. The row of nozzles directed to
rolling operation or roll mill its types and …
It cluster mill is used for cold rolling process. Application of rolling process: Hot rolled product such as concrete reinforcing bars, plates, wire rods, sheet and strip, rails, structural. When the plates, sheet and strip products are used to manufacture of piping and tubes, body panels and construction materials. Cold rolled product such as wire sheet and strip. The wire is often used in manufacturing of cold form …
What is a Cold Roll? - Cold Rolling Mill Rolls - …
Compared with the hot roll, the cold roll only rolls the cold-rolled piece, which is usually cast after smelting and often needs to be forged. With the development of casting technology, the cold roll is forged. It is being implemented continuously. The cold roll has a cold rolling work roll, an intermediate roll, and a support roll, the work roll is in direct contact with the rolling piece ...
US4237714A - Stand of cold tube-rolling mill - …
A stand of a cold tube-rolling mill is formed by a housing and work rolls. Mounted in pairs on the housing are uprights arranged opposite to the axis of rolling. The work rolls are mounted one above the other in the bearing supports between pairs of lower and upper backup rolls mounted in corresponding bearing chocks. The upper bearing chocks are adapted for vertical setup motions.
Application Of Rolls For Cold Roll Mill
Rolling - Introductory concepts: . One important application of cold rolling is the . are used for drawing the work piece inside the rolls. The roll axes are . Get Price And Support Online; Rolling Mill Rolls | Xtek. Xtek has manufactured forged and specialty rolling mill rolls through our extensive knowledge of rolling mill applications.
METALLURGICAL APPLICATION TO WORK AND BACK UP ROLLS …
METALLURGICAL APPLICATION TO WORK AND BACK UP ROLLS FOR HOT & COLD ROLLING OF FLAT PRODUCTS. Written by: Gonzalez, J*; Llano, J*; García, J*. Rolling mills are increasingly demanding rolls capable to maintain the shape and profile much longer with the aim to extend the length of campaigns. The state of the surface is one of the criteria determining the roll change. With the aim …
A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING …
to rolls alone and are also useful for any other component of a machine. The wear parameters in the gap, the contact area of hot rolled material during rolling may be unique but neck loads and contact stress in all other applications (cold rolling, back up rolls) have similarities in other components.
forged cold mill rolls - Farmine Machinery
cold mill work rolls. description work rolls for cold strip mill, forged steel working roll performs as a tool to transform materials under normal room temperature, it is the most wear and tear spare parts during the rolling process. by using 2cr, 3cr, 5cr materials series, we have greatly improved our products both in terms of quality and diversification to meet customers different
Rolling Mill Rolls Manufacturer, Rolling Mill Rolls ...
We are manufacturer of various types of cold rolling mill rolls that are used in cold rolling mill for rolling operation of various materials blades for all types of shearing applications. These rolls are high precision rolls with best surface Finnish and harden ability and is manufactured by casting of high grade. We have been regularly supplying the various rolls for cold rolling mill globally and over a period of …
Acicular nodular casting rolling mill rolls - Taixi …
Acicular nodular casting rolling mill rolls. Date 08/30/2019; Acicular nodular casting rolling mill rolls. Product Description . Design of Roll The modern cold-rolled joint unit has really realized high-speed and continuThe productivity of roll has increase greatly The cold-olled products has devehigh-precision, high-quality and multi model. The quality of cold-rolled workingthe surface ...
Rolling (metalworking) - Wikipedia
Slabs are the feed material for hot strip mills or plate mills and blooms are rolled to billets in a billet mill or large sections in a structural mill. The output from a strip mill is coiled and, subsequently, used as the feed for a cold rolling mill or used directly by fabricators. Billets, for re-rolling, are subsequently rolled in either a merchant, bar or rod mill. Merchant or bar mills produce a variety of shaped …
Mill rolls. Rolls for rolling mills - stellite-parts.ru
Rolls for sheet cold rolling mills are divided into the following applications: work and back-up rolls. See Fig. 3 and 4. See Fig. 3 and 4. Roll diameter is selected based on the calculations done with due account for range of sizes (its thickness), operating conditions, mechanical properties of rolled products, max. forces, drafting, and line design.
Long-life Rolls for Cold Rolling Mills - Tenmat
We have already supplied our innovative rolls to leading cold rolling mills worldwide. Alongside cold rolling, the long-life Feroform rolls are also successfully installed for diverse strip processing applications. This includes galvanizing, tin-plating, coloring, and transport/handling.
CUTTING-EDGE COLD-ROLLING MILLS
The most common configuration is the single reversing mill. Various mill designs are offered that include 6-high UCMs (Universal Crown Control Mill), ZR mills and 12-high cold-rolling mills with small-diameter work rolls for the efficient rolling of materials of high hardness.
Back-up Rollers for multi-roll cold rolling mills
Multi-roll cold mill stands are described using different terms depending on their type and manufacturer: 12 and 20 roll stand Z-High® S-High. Multi-roll cold rolling mills are used to process high grade steel strip and non-ferrous metal strip. In order to prevent whipping of the work rolls, they are supported by means of intermediate rolls and support shafts. Several back-up rollers are ...
Z-mill - Wikipedia
A Z-Mill or Sendzimir Mill is a machine for rolling steel. Unlike a traditional rolling mill this 20-high cluster mill configuration utilizes cascaded supporting rolls to apply force on the small work rolls in the center. This allows the application of a higher roll pressure without bending the work rolls, which would result in poor metal quality.
Pacific InternationalFORGED ROLLS FOR COLD …
We supply Forged Rolls for Cold Rolling Mills of Sheet Metal, Strip and Foil. Dimensional Range of Rolls: From 20 (0,79”) to 850 (33”) mm diameter Up to 5500 (216”) mm length and Up to 10.000 kg (22,000 lbs) weight. Rolls must have proper hardness – depending upon roll type – usually in …
Cold Rolling Mill Sale | Steel Cold Rolling Mill …
Cold-Rolling Mill Machine Sale. Main Applications: Steel Coil Aluminum Coil Copper Coil Your Application We also provide high precision cold rolling mill and hot rolling mill You Need Better Cold-Rolling Mill at Good Price. Due to government environmental protection and Deproductivity Action, a lot of good machines are stopped, we can find you second hand rolling mills with good condition and ...