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Cold Mill Rolls | Work Rolls | Backup Rolls | Backup Rolls ...

P S Rolls: manufacturers of all kinds of industrial rolls Psrolls - We are manufacturer of rolls and roll assemblies complete with bearing assemblies & other components manufacturing. cold mill rolls, work rolls, backup rolls, backup rolls sleeves, induction hardened rolls. rolls for cold rolling mills, hi rolls, hi rolls, skin pass rolling ...

Sendzimir | Products | 20-High Mills

20-High Mills. Sendzimir's 20-High mills are unique in that they have a small, chockless work roll and a cluster roll configuration supported by the Backing Assemblies. The cluster configuration transmits the roll separating force from the work rolls to the mill housing.

Roll Eccentricity Control Using Identified Eccentricity of ...

Roll eccentricity is a periodic disturbance caused by a structure of back up rolls in rolling mills, and it affects product thickness accuracy. It cannot be measured directly by sensors, so it should be identified by measured thickness or measured roll force.

Effect of Backup Roll Length and Roll Neck Length on ...

Effect of Backup Roll Length and Roll Neck Length on Profile for 4-h Mills T. Ohto ... "Effect of Backup Roll Length and Roll Neck Length on Profile for 4-h Mills"Iron and Steel Engineer (1981): 60-65. ... mills with backup rolls thatare shorter than the work roll have been developed. The sendzimir 20 …

FAG Rolling Bearings in Rolling Mills - Schaeffler Group

wire mills, the rolling speeds are so high in many cases that it is no longer possible to use axial tapered roller bearings and axial spherical roller bearings. The axial bearings used in these cases are angular contact ball bearings or deep groove ball bearings. In back-up rolls for large four-high strip mills and foil mills…

Back-up Rollers for multi-roll cold rolling mills

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 arranged ... Roll stand back-up …

Backup Roll Rolling Mills | Products & Suppliers ...

Find Backup Roll Rolling Mills related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Backup Roll Rolling Mills information.

Backup Roll Manufacturers, Backup Roll Suppliers, Exporters

These Back Up Rolls are the industrial tools that are featured for the operation of the heavy duty rolling in several rolling mills. It has the capability of facing against the high dynamic stresses along with being strong in its construction.

Strip Thickness Control of Cold Rolling Mill with Roll ...

two back-up rolls and two work rolls. A common prob-lem is the back-up and work rolls are not perfectly circu-lar in shape. In other words, the rolls are eccentric. The roll eccentricity effect will, under normal constant oper-ating forces, result in steel strip with undesirable thick-ness deviations 1]. Fuzzy logic provides an inference

FORGED BACK UP ROLLS - fucineterni.it

FORGED BACK UP ROLLS FORGING THE FUTURE NOW Società delle Fucine (SdF) was founded in 1884 and since 1999 it has been a member of ThyssenKrupp Group. The company is located in Terni, Italy and produces large forgings for rolling mills, energy and heavy industry applications.

Rolling mill Rolls and Roll Shop – IspatGuru

Dec 10, 2015· These rolls are usually heat treated, the hardness range is 35 -55 deg Shore and they are commonly used as back-up rolls in 4-high rolling mills. An alloy steel containing tungsten (W) and with a hardness of 40 – 50 deg Shore is very resistant to fire cracking and is sometimes used for roughing rolls in hot strip mills.

Rolling Mill Backup Rolls Manufacturers and Suppliers ...

Equipped with one of the best back up roll brands, Kaida Roll Group is one of competitive skin pass mill roll, temper mill roll, tandem mill roll manufacturers and suppliers in China, welcome to visit our website. Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll …

mechanical engineering: Types of rolling mills

Types of Rolling mills. Rolling mills may be classified according to the number and arrangement of the rolls. (a): Two high rolling mills ... The two middle are smaller in size than the top and bottom rolls which are called backup rolls for providing the necessary rigidity to the smaller rolls.

Mill Rolls | WHEMCO

WORLD CLASS ROLLS OF THE HIGHEST QUALITY FOR OVER 100 YEARS. The WHEMCO companies in Pennsylvania and Ohio, USA manufacture a full range of mill rolls – spun cast iron, cast steel and forged steel. Each of our roll manufacturing facilities has the expertise, equipment and experience to meet the most demanding rolling mill applications.

Mill Rolls Manufacturer | Kaida Roll

• Work rolls, intermediate rolls, backup rolls, Sendzimir rolls for various cold rolling strip mills and hot rolling strip mills, applicable to rolling of carbon steel, stainless steel and non-ferrous metal of copper and aluminum. Material includes 3%Cr, 5%Cr, ICDP, HiCr series.

Some Basics of Rolling and Rolling Mills – IspatGuru

May 30, 2013· Some Basics of Rolling and Rolling Mills . Rolling is the process of plastically deforming metal by passing it between rolls. It is the most widely used forming process, which provides high production and close control of final product. ... Back up rolls – they are intended to provide rigid support required by the working rolls to prevent ...

Cast Back-up Rolls – Mill Rolls Manufacturer - tsroll.com

Cast Back Up Rolls. TS Rolls Cast Back Up Rolls are produced to a high hardness level of up to 75 HSC through a Differential Hardening process. The superior wear and mechanical hardening resistance are related to the bainitic / martensitic matrix and complex carbides finely distributed.

Backup Rolls Manufacturers India,Back Up Rolls Suppliers ...

Backup Rolls For Rolling Mills Back up roll is the largest and heaviest roll of a rolling mill. Using the weight, it delivers the rolling force to the work roll and supports it. We at our manufacturing unit are involved in casting and fabricating of heavy duty backup rolls which uses excellent steelmaking and forging technology to manufacture ...

Composite (sleeved) backup rolls - Uralmash

Rolls are the main operating tool of rolling mills. Roll operating costs amount up to 20% of the rolling costs. Being a part of roll mill stands backup rolls take up the rolling force, providing for the required quality, productivity and efficiency of the rolling mill.

International Rolling Mills

Mill Backup Rolls: 4" x 6" cored and furnished with cartridge heaters. The heated rolls will be controlled by (2) digital controllers. Max Roll Temp: 232 degrees Celsius. Mill Entry Table: Adjustable up and down with adjustable side guides with air cylinder hold down. Mill Roll Wipers: Air cylinder actuated with both top and bottom roll.

Rolls for Plate Mills | JSW

These are used in the rolling process at steel mills. Drawing on our extensive steelmaking technology, we provide all kinds of high-quality forged steel rolls including cold work rolls, hot and cold backup rolls, and thick-plate backup rolls.

ROLLS FOR ROLLING MILLS - uralmash.ru

Solid-forged backup rolls for Cold- and Hot-rolling Mills Rolls are the primary tool for shaping the material, setting the roll final dimensions, surface finish and mechanical properties. Depending on the service conditions, the strength of backup rolls is achieved thanks to

Analysis of roll stack deflection in a hot strip mill - SciELO

Journal of the Brazilian Society of Mechanical Sciences and Engineering ... The roll shifting and bending moment are applied in the rolls of the finishing mills to maintain the required crown and flatness in the strip produced. ... As the length of the work roll and back up roll are equal, the effect of roll bending is not prominent to reduce ...

Back-up rolls - skf.com

Backed by our bearing, lubrication and application knowledge, SKF solutions can help mills enhance back-up roll performance, improve efficiency and reduce costs of the rolling process. SKF solutions for back-up rolls SKF cylindrical roller bearings

Forged Back Up Rolls for Hot and Cold Rolling Mills - Sidenor

Forged Back Up Rolls for Hot and Cold Rolling Mills. Manufactured by degassed steel in vacuum furnaces, these rolls show high levels of pureness. They are forged in hydraulic presses in order to achieve high levels of toughness. These rolls, used in continuous Hot Strip Mills, Steckel Mills and Cold Rolling Mills, are capable of facing the most ...

Multi-row cylindrical roller bearings for rolling mills

In rolling mills, multi-row cylindrical roller bearings are used to accommodate radial loads in work roll and back-up roll bearing arrangements. SKF multi-row cylindrical roller bearings are particularly suitable for high rolling speeds and the heaviest rolling forces.

A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING …

on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC