A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING .

After a roll change or a mill stop rolls need some time to return to stable thermal conditions, every new bar entering the mill creates an impact, ... and sometimes there are really severe rolling accidents, due to faults by operators, weak rolled materials with internal defects, or because

Bronze Liners and Wear Plates for Metal Rolling Mills ...

Backup Roll Chock Liners- Backup roll outside chock liners protect the chock from wear and allow close clearances between the mill housing and backup roll chocks. This helps to maintain roll alignment and gaps, which both contribute to the ability of the mill to roll strip to a precise shape and gauge.

US3747387A - Roll changing arrangement for a rolling mill ...

The disclosure of this invention relates to a rolling mill wherein the chocks of the work roll on the drive side of the mill are split to enable the work rolls to be removed and replaced while strip is still being passed between the rolls. The chocks of the work rolls on the operating side are nested. The work roll chocks are provided with wheels which, during the roll changing operation, are ...

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Section Rolling Mill | Steel Plantech

Section Rolling Mill. Rolling mills are facilities that carry out a series of processes including rolling the billets, blooms, slab and beam blanks – extracted from the reheating furnace – into the prescribed size and correcting any bending, cutting them into given lengths, .

Bearing Chocks, Bearing Chock for Rolling Mills, Bearing ...

BEARING_ CHOCKS : Jai Bharat Castings are front runner in Bearing Chocks for the steel re-rolling mills, roller flour mills and other various milling industries, bearing chock is the one of the most important part of modern rolling mills and they have the main influence on the tools of every rolling mill, bearing chocks are installed in between window of rolling mill stands these chocks ...

Bearing & Chock Inspection & Maintenance - Chrome Deposit

Bearing & Chock Inspection & Maintenance Chrome Deposit Corporation provides expert bearing and chock inspection and maintenance services to keep your rolling mills online and productive. Our skilled technicians can conduct regularly scheduled preventive bearing and chock inspection, investigate areas of concern or perform needed maintenance.

ROLLING MILL CHOCK REPAIRS AND FLEET MANAGEMENT - .

ROLLING MILL CHOCK REPAIRS AND FLEET MANAGEMENT SMS group Inc. expertly maintains and repairs oil film bearing back up roll chocks as well as roller bearing chocks and work roll chocks for many of the major metals producers globally. We also build new chocks and chock components to OEM and customer specifications. Our products and services help ...

Work Roll change in a Hot Rolling Mill ( especially in a ...

Dec 13, 2013 · In a Hot rolling mill especially in a steel industry where highly integrated automation is used for high quality steel strip production, how roll change can be done in .

Cold Mill De-Chocker - Machine Concepts

Apr 01, 2018 · De-chockers support mill back-up or work rolls on the O.D. or at the neck of the roll. Bearing chock support stands are raised to support the roll chocks allowing removal of the retaining rings and bearing containment components. Once disassembled the bearing chocks are separated from the roll journals. Features. Operator safety is always #1 ...

Rolling Mill INDUSTRY TRAINING AGENDA ... - Timken .

Rolling Mill INDUSTRY TRAINING Rolling Mill INDUSTRY TRAINING AGENDA* Day 1 n Making bearing-grade steel n Rolling mill configuration and design n Rolling mill related equipment n Bearing fundamentals n Featured products and services n Condition monitoring basics Day 2 n Chock and roll repair overview n Bearing damage analysis n Roll and chock ...

Performance of Grease in Work Roll Bearing of Roughing ...

Performance of Grease in Work Roll Bearing of Roughing Stands of Hot Strip Mill. D. Keshari, Dy. Mgr (TS)/ Bokaro, Indian Oil Corporation Ltd (MD) ... In the rolling chocks dismantled for random inspection after rolling campaign: (a) Even if there is ingression of water in the bearing chocks during rolling, neither ... Performance of Grease in ...

Rolling (metalworking) - Wikipedia

A tandem mill is a special type of modern rolling mill where rolling is done in one pass. In a traditional rolling mill rolling is done in several passes, but in tandem mill there are several stands (>=2 stands) and reductions take place successively. The number of stands ranges from 2 to 18.

Work Roll change in a Hot Rolling Mill ( especially in a ...

Dec 13, 2013 · In a Hot rolling mill especially in a steel industry where highly integrated automation is used for high quality steel strip production, how roll change can be done in .

Bearing Chocks, Bearing Chock for Rolling Mills, Bearing ...

BEARING_ CHOCKS : Jai Bharat Castings are front runner in Bearing Chocks for the steel re-rolling mills, roller flour mills and other various milling industries, bearing chock is the one of the most important part of modern rolling mills and they have the main influence on the tools of every rolling mill, bearing chocks are installed in between window of rolling mill stands these chocks ...

Roll grinders - Traversing grinding saddle - Herkules ...

In hot rolling mills, it proves excellently suited for turning edger rolls in roughing stands. Special turning device. The machine is equipped with a turning saddle that is mounted separately on the grinding table. This turning saddle was especially developed as an additional device for heavy-duty roll grinders used for turning paper rolls.

Bearing Chocks - Spare Parts of Rolling Mill - Tangshan ...

Bearing housing / Chocks / bearing block are the key parts for rolling mill or skin pass mill or continuous casting machine. They are supporting rollers rotating in high speed to get the strip rolled and reach the function of roller changing.

Hot Rolling Mill Hydraulic Gap Control (HGC) thickness ...

rolling mills can be achieved, then in some cases, cold rolling is not even required, ... both sides of the mill stand. The screws provide only a rough positioning without . ... cylinders are used to apply a counteracting force on the work roll chocks to reduce the roll .

FAG Rolling Bearings in Rolling Mills - Schaeffler Group

of rolling mills will find here the principles for selection and calculation of roll neck bearings. Their mounting and maintenance is also covered in detail. For any questions not covered under these principles, the Schaeffler engineering service can provide assistance. The dimensions and performance data of rolling bearings for rolling mills ...

Chock | Definition of Chock at Dictionary

Chock definition, a wedge or block of wood, metal, or the like, for filling in a space, holding an object steady, etc. See more.

China Stable and Durable Rolling Mill Chocks - China ...

China Stable and Durable Rolling Mill Chocks, Find details about China Rolling Mill Chock, Roll Chock from Stable and Durable Rolling Mill Chocks - Shanghai Special Metal Co., Ltd.

Usha Guides & Rolling Systems

Precision Bearing Housings & Chocks We build new Rolling Mill chocks, chock components and small bearing housings to OEM and Customer specifications. To improve chock performance, we also offer a chroming program that has been proven to extend housing bore life by as much as 400%. More; Shear Blades for Hot & Cold applications

Back-Up Roll Chocksindia

As an affluent manufacturer, exporter and supplier, we are offering our clients Back Up Roll Chocks. Manufactured using high grade cast steel or gray cast iron with carbon (0.2% to 0.3%), these cock rolls are widely appreciated for features like dimensional accuracy, smooth surface finish, rigid construction and high tensile strength.

US3651679A - Rolling mill - Google Patents

The disclosure of the present invention relates to a rolling mill having indented housing posts to allow minimum length work roll chocks to be employed. The work roll chocks and the backup roll chocks are constructed with a minimum of irregular and difficult-to-machine surfaces. In addition, the rails and wheels used to quickly remove and replace the work rolls are connected in a very simple ...

Back-Up Roll Chocksindia

As an affluent manufacturer, exporter and supplier, we are offering our clients Back Up Roll Chocks. Manufactured using high grade cast steel or gray cast iron with carbon (0.2% to 0.3%), these cock rolls are widely appreciated for features like dimensional accuracy, smooth surface finish, rigid construction and high tensile strength.

Chocking | Definition of Chocking at Dictionary

Chocking definition, a wedge or block of wood, metal, or the like, for filling in a space, holding an object steady, etc. See more.

Hot Rolling Mill Hydraulic Gap Control (HGC) thickness ...

rolling mills can be achieved, then in some cases, cold rolling is not even required, ... both sides of the mill stand. The screws provide only a rough positioning without . ... cylinders are used to apply a counteracting force on the work roll chocks to reduce the roll .

DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

Keywords: Rolling mill, roll chock, modeling, design, analysis and optimization. 1. Introduction Roll chocks which accommodate the roll neck bearing for the mil rolls .are sally steel casting designed to fit into the window of the housing such they are intend ant to maintain accurate positioning of the rolls and in the case of backup roll

Roll shop - Herkules - Specialsit for roll machining

Each roll shop component is designed and manufactured entirely in-house at Herkules. By the help of the Roll Shop Management System (RSMS) made by HCC/KPM, a company of the HerkulesGroup, all components in the roll shop can be integrated for data collection purposes as an option.

Work roll chock assembly for a rolling mill - National ...

Dec 16, 1980 · A rolling mill stand has upper and lower work rolls supported in chocks which include liner plates on their side faces for bearing against the side faces of the mill stand housing, with the side faces of the chocks being shaped so that the liner plates on both the upper and lower work roll chocks extend both above and below the pass line defined by the work rolls.

• Authors: Howard A Graham · Charles PalubiakAffiliation: National Steel CorporationGET PRICE >>

Rolling Mill Equipment - Morgardshammar

Radial rolling forces are absorbed by the four optimum dimensioned mill screws (a), which are under straight tension under rolling. The mill screws are placed close to the roller bearings in order to eliminate deformations in the chocks. The upper and lower chocks are joined together by means of right- and lefthand threaded nuts (b) respectively.