Apr 22, 2012· This film takes you through the processes within a hot rolling mill You'll get to see the different stages all the way from heating to cooling Filmed at SSAB in Borlänge, .
mill cooling: water cooled roll chocks mill sled: roll changing sled vickers model t-80 10 hp hydraulic power supply: 80-gallon reservior 3,000 psi system thermal transfer heat exchanger this mill is backup roll driven and being sold as-is with no universal joints or electrical controls
mills used for calculation The rolling mills have the backup rolls (BUR), intermediate rolls (IMR) and work rolls (WR) of the same size and the same materials These components are positioned symmetrically to the Y = 0 plane and to the Z 0 plane The upper backup roll chock is = supported and the lower backup roll chock is subject to
rough chock roll mill - kazakdesigncoza work roll chock for foil mill lemon-grass be work roll chock for foil mill rough chock roll mill AP-42 991 Grain Elevators And Processes Envir choke unloading and use of deadboxes or specially Read more Back-Up Roll Chocks TradeIndia
May 17, 2017· Bearings for Rolling mill Rolls Rolling mills for rolling of steel differ in many aspects with each other The rolling mills are of different sizes and capaciti The mills roll steel materials of different cross-sections, sizes and qualities and in material conditions which are either hot or cold
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 ,
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
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
Roll neck bearings for rolling mill Products for Steel Production Equipment Features of JTEKT products In 1943, JTEKT became the first successful domestic manufacturer of four-row tapered roller bearings for rolling mills in Japan Since then, we have cultivated
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 ,
Hot Rolling Mill Hydraulic Gap Control (HGC) thickness control improvement Peter Kucsera*, Zsolt Béres** , 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 bending, thus controlling the cross profile partially .
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
Dec 16, 1980· Work roll chock assembly for a rolling mill United States Patent 4238947 Abstract: 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 .
BEARING_ CHOCKS : Jai Bharat Castings are front runner in Bearing Chocks for the steel re-rolling mills, roller 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 .
Mechanics of Cold Rolling of Thin Strip 443 where yiw is the vertical deflection of the work roll at element i, gijw (, ) is the influence function for the work roll deflection due to the combined bending and shear forces generated by rolling load, giwf is the influence function for the work roll deflection due to the force generated by the roll bending mechanism, k represents the minimum element
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
Risk Assessment and Control Measures for Cold Rolling Mill in Steel Industry , Cold rolling mill complex is equipped with the most , Coil build up line, bell anneal furnaces continuous annealing and pickling lines, sendzimer mills, skin pass mill, strip grinding line, slitting and ,
work roll chock for foil mill - welcoresteelin Patent US4238947 - Work roll chock assembly for a rolling mill Similarly, liners 32, 34 mounted on walls 10, 12, respectively, provide sliding bearing surface for liner plates 36, 38, respectively, mounted on lower backup roll chock 22 rough chock roll mill - macimpiantieu Try the new Google .
Universal rolling mill stand - DANIELI & C OFFICINE , Jul 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 (61-62) being coaxial with the pressure screw (63).
Chapter 4 Surface finish and friction in cold metal rolling MICHAEL PF SUTCLIFFE , In practice both the roll and the strip surfaces are rough In many rolling processes, the roll grinding process leads to a roll roughness with a pronounced lay, , SURFACE FINISH AND FRICTION IN COLD METAL ROLLING p and p * .
MTW Trapezium Mill LM Vertical Mill 5X Pendulum Roller Mill VSI6X Series Vertical Crusher Impact Crusher European Type Jaw Crusher Jaw Crusher HPT Hydraulic Cone Crusher CS Series Cone Crusher European Impact Crusher the name of spare parts ,
control process for a cold rolling mill by vibrations , - Dunarea de Jos produced on the work roll chocks and backup roll chocks The noise , The torque sensors used in rolling mills must be very robust due to the rough ambient Contact Supplier
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 clean and flawless back up rolls for cold rolling .
Get first dibs & start your holidays early, HUGE BRAND SALES & HANDPICKED PRODUCTS with deep discounts Save 38% ($6000) today when you shop RevZilla for your Trackside Roll On Wheel Chock! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service
The 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
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
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 (02% to 03%), these cock rolls are widely appreciated for features like dimensional accuracy, smooth surface finish, rigid construction and high tensile strength
Apr 01, 2018· De-chockers support mill back-up 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 Featur Operator safety is always #1 .
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 chock, with the piston facing down, resting on the bottom of the cavity or on a replaceable thrust plate The JARRET device acts as a compact, high-quality dependable spring: a) It maintains the top work roll assembly in an elevated position when the mill is not running, yet does not interfere with the rolling operation