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Roughing mill rolling of reheated slab The roughing mill usually consists of one or two roughing stands in which the slab is hot rolled back and forth 5 or 7 times repeatedly to reach the minimum thickness requirement Work roll chock mounted scratch brushes 122 Rough Rolling Before the rolling process begins the scale is removed
Get PriceRoughing mill rolling of reheated slab The roughing mill usually consists of one or two roughing stands in which the slab is hot rolled back and forth 5 or 7 times repeatedly to reach the minimum thickness requirement Work roll chock mounted scratch brushes 122 Rough Rolling Before the rolling process begins the scale is removed
See DetailsThe steel roughing rolling mill stands are used to reduce the thickness of the steel while at the same time extending the overall length Steel Roughing rolling mill stand is an important part of a work stand roll bearing chock and roller adjustment device is installed on the frame
See DetailsRoughing end mills are made from a variety of materials that are chosen according to the degree of precision hardness durability and wear resistance required by your application Cobalt 2105 Cobalt is harder than high speed steel and provides better wear resistance
See DetailsA 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
See DetailsKeywords 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
See DetailsApart from roll grinding and texturing machines Herkules offers a comprehensive range of roll shop equipment to handle rolls such as chock changing devices chock tilters roll transfer cars loaders and much more Each roll shop component is designed and manufactured entirely inhouse at Herkules
See DetailsBEARING CHOCKS Jai Bharat Castings are front runner in Bearing Chocks for the steel rerolling 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
See DetailsThe problem of failure of Rolling mill housing was there in industry which can be efficiently solved by using CAE The present work involves the design optimization of work roll 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
See DetailsApr 01 2018 · Dechockers support mill backup or work rolls on the OD 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
See DetailsXtek’s Roll Reconditioning and Repair Services extend into the specialty roll area as well Periodic or routine maintenance programs on Hot Strip Mill Edger Rolls and Downcoiler Pinch Rolls are a part of the services conducted Xtek These programs often include the machining of a passline profile or the regrinding of the body diameters
See DetailsPrecision 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
See DetailsSee the note below on Entering the workpiece “rolling in” for more on starting thick and ending thin – Climb mill with this 23’s cut ratio Conventional milling with a face mill causes the chip to start out thin which sometimes leads to rubbing at the outset of chip formation that
See DetailsBaird Brothers Sawmill Inc 7060 Crory Rd Canfield OH 44406 P 3305333122 F 3305330781 Toll Free 8007321697 Email info Cart ID 203950899551
See DetailsNov 20 2014 · 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
See DetailsGlunt Industries has a repair facility designed exclusively for chock rebuilding of backup and work roll chocks Our chock service is available for chock fabrication of any size Our chock services feature highquality workmanship and our meticulous attention to detail are truly unparalleled across the entire industry and worldwide
See DetailsThe bearing chock is an important component to fixed bearing also called roll chock It is the core unit for the weightsupporting and rolling bearing It acts as a support in the bearing component Bearing chock works continuously under the circumstance of low speed and heavy duty along with the impact So it is important to have a good quality guarantee for the components
See DetailsApr 01 2018 · Dechockers support mill backup or work rolls on the OD 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
See DetailsKeywords cold rolling mill work roll and backup roll chock mill housing 3D modeling 1 Introduction Rolling mill chocks are the maximum stressed bearing component in a manufactured item and so are most liable to consistent the financial losses incurred as a result of chock failure will be far greater than the actual value of the chock
See DetailsThe 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
See DetailsApr 06 2020 · Mill Hot Strip Mill Work Roll and Back Up Roll Chock Bearing Design Improvements and Value Add Features Glunt Industries was able to significantly lower the customer’s maintenance spend and improve production uptime by adopting a Total Cost of Ownership philosophy to regularly maintain the assets identify innovative means to redesign chock components and introduce new
See DetailsIn 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 heavyduty roll grinders used for turning paper rolls
See Detailsrepairs rolling mill chocks and small bearing housings We also build new chocks chock components and small bearing housings to OEM and customer specifications Our products and services help steel and aluminum producers and bronze and brass mills achieve their quality and productivity goals and reduce their maintenance costs Expert chock
See DetailsRolls are tools used in rolling mills to reduce the cross section of metal stock The weight of rolls may vary from a few kilograms up to 250 tonnes Under rolling conditions the contact area between roll and stock suffers wear the other parts of a roll body and necks have to be considered as normal parts of designed components under high
See DetailsCylindrical roller bearings 5 Axial bearings 6 Tapered roller bearings 7 Spherical roller bearings 9 Axial tapered roller bearings for screwdown mechanisms 9 Calculation of bearing load 10 Selfaligning chocks 10 Strip rolling 10 Groove rolling 11 Rigid chocks 12 Calculation of roll deflection 13 Calculation of load conditions and pressures 14
See DetailsAt present rolling mills are expected to roll foil to less than six microns thick in widths of up to two meters and be capable of speeds in excess of 2000 metersminute To meet these expectations Primetals Technologies mills include stateoftheart features for highspeed operation while process support ensures record startup time and the
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See DetailsJul 30 1997 · Universal rolling mill stand 10 as in any claim hereinbefore in which said chock adjustment means 41 comprises a unit 61 for mechanical rough adjustment and a unit 62 for hydraulic fine adjustment these units 6162 being coaxial with the pressure screw 63
See Details• Reduced potential for roll neck damage due to spiral bore grooves with blended radii that provide lubricant access to the roll neck • Fewer components to handle due to advanced integrated design with no center spacers or seal carriers • More effective exclusion of contaminants from the chock bore due to sealing at cup outer diameter
See DetailsChrome 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
See DetailsCORTS is the leading global provider of flat bearings and associated engineering services for rolling mills durable and robust instrument is specifically designed for the rough environment of rolling mills and roll grinding shops The base of this mill audit is the precise survey of the main mill components the housing and the chock
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