A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident.
2 stands for the purpose of reducing edge drop by shifting work rolls with special contour for this purpose. Back-up Roll eccentricity compensation function is.
Skinpass Roll, High Brightness. FH-11, 3% Cr Steel, Tandem Mill Work Roll Reversing Mill Work Roll Skinpass Mill Work Roll, General Use. FH-15, 5% CR Steel.
a b s t r a c t In this paper, premature failure of a forged back-up roll from a continuous tandem mill was investigated. Microstructural evolutions of the spalled.
New cold rolling mills have a lifetime of several decades. Modernization and . (HYROP), roller bearing for back-up roll, high response. AC motor and pinion.
Depending on the product mix, a single-stand cold rolling mill can deliver rolling capacities of . Optimized Combination of Work, Intermediate and Back-up Rolls.
back-up rolls around 4-1/2 feet in diameter prevent the work rolls from being distorted by the 1000+ tons of force that the steel exerts on them during rolling.
. 3% Cr-variety forged steel work-rolls used in the tandem mill of an integrated . Rolls and Back Up Rolls for Rolling Mills in Japan,” 29th Mechanical Working.
In metalworking, rolling is a metal forming process in which metal stock is passed through one . Some of the earliest literature on rolling mills can be traced back to . A tandem mill is one in which the metal is rolled in successive stands; Ford's . However, since each rolling mill is significantly expensive (up to 2 million.
4 Jan 2018 . The distribution of roll wear with newly designed backup roll contour is . some cold rolling mill considering the requirement of comprehensive.
flying strip, the whole of the tandem mill line has . continuous rolling model that describes the tandem . strip mill, and also of backup roll bearings, are now.
Forged Back Up Rolls for Hot and Cold Rolling Mills. Cilindros forjados de apoyo. Manufactured by degassed steel in vacuum furnaces, these rolls show high.
Deep Hardness penetration. Special Material. Continuous Tandem Mill Back Up Roll. Fatigue Resistance Wear Control. Special Material. Hot Strip Mill Back Up.
Chatter vibration is the result of a back-up or work roll resonance in one or more stands of the cold roll mill, which is excited by the elastic properties of the steel.
MANUFACTURING SEQUENCE OF BACK UP ROLL. AND PLATE BACK UP . 07. Back Up Rolls for Cold and Hot Rolling Mill . Cold Rolling Mill. Basic Work.
L = Contact length between work roll and backup roll, m . in a four-high six-stand tandem finishing mill (F1 to F6) at a finish rolling temperature of 870 - 900ºC,.
Premature failure analysis of forged cold back-up roll in a continuous tandem mill. Mohammed Rafiq Abdul Kadir. Mohd Hasbullah Idris. Hamid Reza.
14 Nov 2019 . studied the backup roll (BUR) contour in smart crown tandem cold mills. Li et al.  conducted the same study for a hot rolling mill. Wang et al.
24 Nov 2002 . The back-up rolls are supported on oil film bearings and support the total rolling loads. The mill housing windows have wear plates on the.
. in 1700 mm tandem cold rolling mill. During the rolling trial, the roll configuration between EDW and conventional backup roll didn't match well because of the.
7 Oct 2010 . Rolling mills may be classified according to the number and . (d): Tandem 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.
14 Jan 2014 . The back-up roll change will be assisted by a new semi-automatic change device. NEW AUTOMATION SYSTEM. The first mill stand drive will.
pared to multi-stand rolling mills, RCM require a lower investment. . more energy-efficient cold rolling – thanks to exact advance calculation . Backup-roll drive.
Tandem Mill for Ultra-Thin Gauge Strip. Tomohiro . cold tandem mill the authors applied a roller bearing to back up roll for high speed rotation and replaced mill.
AND BACK UP ROLLS FOR HOT & COLD. ROLLING OF FLAT PRODUCTS. Written by: Gonzalez, J*; Llano, J*; García, J*. Rolling mills are increasingly.
method to control the flatness of the strip in cold rolling mills. Cooling and . The back-up rolls are not in direct contact with the rolled stock and pick up the heat.
High-quality rolls for high-tech rolling mills . Back Up Rolls for Hot Strip Mill . rolls and super-HSS rolls for use in tandem mills that roll electrical steel sheet and.
Thanks to its broad range of cold rolling mills for strip widths from 60 to 2,100 mm, . screw-down, simple back-up roll configuration without eccentric, greater roll.
Chatter in high speed tandem mills affects the quality of the product and the production rate . It is demonstrated that the upper backup roll and top housing are.
Roughing mill (reverse mill). Finishing mill (tandem mill). Cold rolling mill. Cold rolling. Non-reversing 4-HI rolling mill. Process annealing. (Note). : Back up roll.
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.
Adaptive setup models for cold rolling mills . Interaction of data and functions in the rolling-mill process. Roll- data . work rolls, each backed up by two rolls of.
A Cold Mill rolls coils of pickled steel from the pickle line at ambient temperature, using coolant oil. . Eccentricity Compensation Control reduces the effect of backup roll irregularities. . Features of revamping automation for a Tandem Cold Mill.
Bearings for Rolling Mills Four-Row Cylindrical Roller Bearings for Backup Rolls . Overall cost benefit in a five-stand cold rolling mill (four-high rolling) using.
The work rolls used in the cold rolling mills are expected to perform under very arduous operating . Morogoil Bearings on Back up rolls. Taper Bearings on the.
24 Dec 2018 . The two in the middle are smaller than the top and bottom rolls, which are also known as backup rolls. 4.Tandem Rolling Mills The Tandem.
Keywords: Back-up roll; Cold rolling mill; Skin pass mill; Wear; Double poured roll. 1. Dipl.-Ing., Head of Sales, Gontermann-Peipers GmbH, Siegen, Germany. 2.
Central operation during rolling process that performed by mill rolls is metal . Back-up rolls for cold rolling mills are usually made of the following steel grades:.
18 May 2007 . used – both in single-stand and multi-stand tandem mills. . of work roll bending and back-up roll bending to control strip crown on 4-high.
Solid-forged back-up rolls; Sleeved back-up rolls; Hot rolling mill working rolls; Cold rolling mill working rolls. Hot mill rolls. Solid-forged plate mill back-up rolls.