back up mill roll

Backup Roll Manufacturers, Backup Roll Suppliers, Exporters

Backup Roll Our company is deeply engaged in manufacturing and supplying of Backup Roll in Chennai, Tamil Nadu, India. A backup roll is the largest and heaviest roll used in rolling mills, and delivers pressure to and supports the work roll.

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Non-circular grinding of backup rolls to reduce rolling ...

external roll surface for a non-circular geometry capable of reducing the fluctua-tion of the roll force in the rolling process. A new method to minimize force variations, based on 3D grinding of the mill rolls, was developed [3]. Finite element models, describing the backup roll

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China Back up Roll, Rolling Mill Rolls - sinyaco.en.made ...

Back up Rolls, Rolling Mill Rolls, Back up Roller manufacturer / supplier in China, offering Back up Roll, Rolling Mill Rolls, Best Price of Plate Mill Rolls, Rolls for Plate Mill, Hot Rolling Mill Rolls, Rolls for Hot Rolling Mill with Best Material and so on.

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

Cold Mill Rolls, Work Rolls, Backup Rolls, Backup Rolls Sleeves, Induction Hardened Rolls, Rolls For Cold Rolling Mills, Hi Rolls, Skin Pass Rolling Mill Work Roll Who We are : We are manufacturer of rolls and roll assemblies complete with bearing assemblies.

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Rolls-Forged Rolls-Backup Rolls - metals.com

Tandem Mill Back Up Roll Reversing Mill Back Up Roll : General Use : FB-7 : 5%Cr Steel : Tandem Mill Back Up Roll Reversing Mill Back Up Roll : High Hardness Deep Hardness penetration : NBR : Special Material : Continuous Tandem Mill Back Up Roll : Fatigue Resistance Wear Control : NBX : Special Material : Hot Strip Mill Back Up Roll for High ...

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China Forged Backup Roll for 6hi Mill - China Mill Roll ...

Mill Roll, Rolling Mill, Forged Roller manufacturer / supplier in China, offering Forged Backup Roll for 6hi Mill, Sag Mill Liner/ Mill Liner/Mine Equipment/Mill Parts/Liner, Cast HSS Work Rolls for Hot Strip Mills …

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01-back-up-rollers-with-pivot-for-metal-flattening-machines

The sealing system is very efficient, it does not allow outer agents (such as, dust, mill scale, humidity) to enter the back-up roll; at the same time, it prevents the leakage of grease. Precision class P0; on request the rollers can be manufactured with precision class P5 (DIN 620) and selected in groups.

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China Forged Backup Rolling Mill - China Rolling Mill ...

Rolling Mill, Mill Roll, Roller manufacturer / supplier in China, offering Forged Backup Rolling Mill, Best Price of Plate Mill Rolls, Rolls for Plate Mill, Hot Rolling Mill Rolls, Rolls for Hot Rolling Mill with Best Material and so on.

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Design criteria for rolling contact fatigue resistance in ...

roll materials, back-up roll redressing procedures and the surface roughness of both work rolls and back-up rolls presented to the mill. Keywords: Rolls, …

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Back-up rolls | Sheffield Forgemasters International Ltd.

Tandem mill rolls can be produced up to a maximum weight of 60 tonnes. The maximum finished weight limit for plate mill rolls is 170 tonnes. Tandem mill back-up roll can be supplied with barrel hardness levels within the range 55 to 75 Shore C. Surface hardness is constant throughout the working life of the roll.

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

lem is the back-up and work rolls are not perfectly circu-lar in shape. In other words, the rolls are eccentric. The ... roll necks due to irregularities in the mill rolls and/or roll bearings [11]. These irregularities cause cyclic deviations in the strip thickness at the output of a mill stand.

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Back Up Roller Construction In Rolling Mill | Crusher ...

Back up rolls in a rolling mill_back up rolls,intermediate … The tapered roller bearing is composed of an inner … a back-up roll in a rolling mill according to …

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Tandem Mill Weirton Backup Rolls - pressefranvaldotaine.eu

tandem mill weirton backup rolls - addoorbiz. tandem mill weirton backup rolls - ibsmorgin Back-up rolls, Sheffield Forgemasters International Ltd Production of forged steel back up rolls ranging from 5 to 170 tonnes finished Tandem mill back-up roll can .

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Backup Rolls - Gerdau S.A.

The main requirements for a Back-up roll are as follows: wear resistance or contact fatigue resistance. As a general rule, the higher the roll wear, the higher the stress concentration, which can shorten the time for failure due to contact fatigue.

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Back Up Roll - Mill Rolls Manufacturer | Kaida 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 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 …

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DESIGN OPTIMIZATION OF WORK ROLL CHOCK AND …

chock and backup Roll chock in cold rolling mill, to control the failure of choke in the cold rolling mill for retain the material cost and longer life of the roll chock. The roll chock had stress distribution has been analyses by software ANSYS from which

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FAG Rolling Bearings in Rolling Mills - Schaeffler Group

duction of bearings for rolling mills and gathered extensive experience in this field. This is presented in ... The rolling bearings in which the rolls in roll stands are supported, are subjected to high loads; the ... In back-up rolls for large four-high strip mills and foil mills, a deep groove ball bearing is often

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Cause and Prevention of Spalling of Backup Rolls for Hot ...

Cause and Prevention of Spalling of Backup Rolls for Hot Strip Mill. ... Spalling phenomena of backup roll of a hot strip mill and their prevention are discussed.Most of spalling phenomena are ...

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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.

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Backup Roll Rolling Mills | Products & Suppliers ...

VCR back-up roll and negative work roll contour design for solving roll spalling and transfer bar profile problems in hot strip mill Since the invention of VCR in the 1980s, it has been widely used on back-up rolls in cold strip mills in China.22 However, its application on a hot strip mill back-up roll is still under development, and much work…

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China Best Quality Cold Rolling Mill Backup Roll and Work ...

Cast Roll, Mill Roll, Cast Iron Roll manufacturer / supplier in China, offering Best Quality Cold Rolling Mill Backup Roll and Work Roll, Sag Mill Liner/ Mill Liner/Mine Equipment/Mill Parts/Liner, Cast HSS Work Rolls for Hot Strip Mills and so on.

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Back-up rolls - SKF.com

Designed to provide robust support for work rolls, back-up rolls prevent work roll deflections. It's a key function that helps ensure proper performance of the entire rolling mill.

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US4875261A - Back-up roll in a rolling mill - Google Patents

A back-up roll in a rolling mill is provided with multiple cylindrical rollers fit circumferentially between a roll shaft of the back-up roll and an outer casing thereof, and a tapered roller bearing is provided between the roll shaft and outer casing and juxtaposed to said cylindrical rollers and which receives a thrust load acting on the cylindrical rollers.

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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.

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FORGED BACK UP ROLLS - fucineterni.it

mills, energy and heavy industry applications. The production of forged rolls is mainly focused on the back up rolls for steel industry (Plate Mill, Hot Strip Mill and Cold Mill) and for aluminum industry.

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Back-up Rollers for multi-roll cold rolling mills

of the back-up rollers for the rolling mill. Back-up rollers are designed such that the lubricant is distributed uniformly among the rollers and, in the case of back-up rollers lubricated with rolling emulsion, such that the rolling emulsion can flow out of the bearings on both sides without hindrance. Caution!

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Cylindrical Roller Bearings for Multi-roll Mill Backup Rolls

Cylindrical roller bearings for multi-roll mill backup rolls Bearing configuration and features JTEKT has provided Cylindrical roller bearings for backup rolls with high durability and precision, contributing to the utmost performance in multi-roll mills.

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

The effect of the backup roll length on plate profile at 30% reduction and zero jack load is plotted in Fig. 3, showing that a shorter backup roll does yield a more desirable plate profile by a significant margin. The effect of increasing the jack load while maintaining the backup roll length equal to the work roll length is plotted in Fig. 4.

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