JC CORRUGATED MILL ROLL STAND TESTING VIEDO - YouTube
JC CORRUGATED MILL ROLL STAND TESTING VIEDO May Wang0086
اقرأ المزيد
- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
- [email protected]
JC CORRUGATED MILL ROLL STAND TESTING VIEDO May Wang0086
اقرأ المزيد
FB-5. 3%Cr Steel. 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.
اقرأ المزيد
Two new types of rolls, VCR (varying contact back-up roll) and ASR (asymmetry self-compensating work roll), have been developed and used on the 1700 mm hot strip mill at Wuhan Iron and Steel Corp.
اقرأ المزيد
Psrolls - We are manufacturer of rolls and roll assemblies complete with bearing assemblies & other components manufacturing. cold mill rolls, work rolls, backup rolls, backup rolls sleeves, induction hardened rolls. rolls for cold rolling mills, hi rolls, hi rolls, skin pass rolling mill work roll, drive rolls, cold rolling mill rolls, cluster ...
اقرأ المزيد
The WHEMCO companies in Pennsylvania and Ohio, USA manufacture a full range of mill rolls – spun cast iron, cast steel and forged steel. We manufacture both cast and forged rolls for the most flat hot and cold rolling applications. We are now the sole producer of both cast work rolls and backup rolls in North America.
اقرأ المزيد
6 Rolling Mills Revamp: Roll Upgrades for Extreme Loads Figure 5: Roll load and fillet radius detail. Case Study – Existing Solution and Problem Description This application is performed on rolls of 2-HI mills, but could be extended to the back-up rolls of 4-HI mills. Figure 5 shows the roll load and current fillet radius detail.
اقرأ المزيد
Cold Mill De-Chocker. 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.
اقرأ المزيد
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…
اقرأ المزيد
Used to roll both ferrous and non-ferrous metals, the Z-Mill is designed to make heavy reductions at high speeds. The 20-Hi roll cluster contains 12 rolls and eight backing bearing assemblies. A rigid, compact mill housing eliminates deflection of work rolls and produces a uniformly close gauge tolerance strip.
اقرأ المزيد
Forged Steel Back Up Roll Definition. The forged back up roll is a mill roll that supports the work roll and intermediate roll for the purpose of avoiding deflection of the work roll and affecting on the yield and quality of the …
اقرأ المزيد
Xtek's roll repair services can replace damaged slinger rings on backup rolls. Slinger rings can be replaced with a new hardened plastic material or with standard alloy steel varieties. This service can also include the reconditioning of the body-to-journal fillet radii, roll body end-face damage removal, and bearing journal weld repair.
اقرأ المزيد
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. In the Differential Hardening process the monoblock rolls ...
اقرأ المزيد
Specialize in Backing Bearings, Sendzimir Back up roll Bearing, Spherical Roller Bearing, Cylindrical Roller Bearing, Taper roller Bearing, Deep Groove Ball Bearing, Thrust Roller Bearing, Rolling Mill Bearing, Mining Bearing, Shaker Screen Bearing,viberating screen bearing, crusher bearing and other precision bearings with an inner diameterabove 10mm to 2300mm.
اقرأ المزيد
Back-Up Roll: 60Cr3Mo, 9Cr2Mo, 86CrMoV7, 70Cr3NiMo: 60 ~ 80 HSC: Sendzimir & Cluster Mill: Intermediate Roll: 5H12: 55 ~ 60 HSC: Work Roll: Cr12Mo1V1, Cr12MoVCo: 60 ~ 65 HSC: Forged Shaft: 42CrMo, 36CrNiMo4: 35 ~ 45 HSC: MBI Rolls, a division of M. Brashem, Inc., has provided the best value for quality, price and service to the steel industry ...
اقرأ المزيد
Rolling mill consisting of four rolls or known as a 4 High rolling mill is used for reducing material to extremely small thicknesses. Through the use of larger backup rolls, the issues of roll deflection can be avoided and smaller work rolls can be used.
اقرأ المزيد
Roll-gap Control is performed by the hydraulic cylinder connected to a wedge built in the rear side of the back-up rolls of the lower housing. Mill housing receives rolling load directly through the wedge, so that a high-rigidity hydraulic push-up is possible.
اقرأ المزيد
Mill rolls. Classifications: Strip mill rolls, section mill rolls, wire rod mill rolls, etc Application: 1. hot strip mill rough stand work roll 2. hot strip mill finishing stand work roll 3. hot strip mill back-up roll 4. groove-casted roll for section mill 5. universal section mill vertical ring 6. section mill work roll 7. section mill edge roll
اقرأ المزيد
Two new types of rolls, VCR (varying contact back-up roll) and ASR (asymmetry self-compensating work roll), have been developed and used on the 1700 mm hot strip mill at Wuhan Iron and Steel Corp.
اقرأ المزيد
Several methods are available for leveling strip, including flatteners and straighteners with fixed backup rolls, tension levelers, stretcher levelers, skin pass rolling mills (often called temper mills), and roller levelers. How a Roller Leveler Works. In the stamping industry, roller levelers are the most commonly used type of leveler.
اقرأ المزيد
A global supplier of cast and forged steel Back-up Rolls No matter where you are located, we can supply you with a comprehensive range of forged and cast monobloc steel Back-up Rolls. Our long experience, coupled with state-of-the-art manufacturing equipment and processes, makes our Back-up Rolls a consistent top performer, and Union Electric Åkers considered a truly …
اقرأ المزيد
Backup Roll. The back up roll is a roll that supports the work roll and is the largest and heaviest roll used in rolling mills.The roll can support intermediate roll for the purpose of avoiding deflection of the work roll and affect on the yield and quality of the plate and strip rolling mill.The quality characteristics of the backup roll are high surface hardness, good hardness uniformity …
اقرأ المزيد
Build up rolls with weld, Mill welded surface back down to required dimensions and finish, Machine journals to appropriate specifications and Machine keyway Roller after being completely rebuilt. It looks like new, and is ready to perform like new.
اقرأ المزيد
Upper roll chock has a support with an additional lining for holding up the top roll when the rolling mill is idling. In a four high mill, there are four types of roll chocks namely (i) top back up roll chock, (ii) top work roll chock, (iii) bottom work roll …
اقرأ المزيد
We produce Backup roll, steel roll, forging roll, mill rolls, Steel Roller, Cr12MOV, Cold forged/casting steel intermediate / working rolls. We produce steel forging and casting rolls and cold or hot mill rolls, specialized making kinds of steel forging and casting mill roll and back up roll. We has the advanced technical equipments and the ...
اقرأ المزيد
The diameter of roll barrel is 350~1400mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo etc. The main types of mills: back-up roll of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill. We cooperate closely with lots of mill design companies for the supply of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill ...
اقرأ المزيد
Applications: plate mills, hot-strip mills, cold-rolling mills Description: Backup rolls weighing 7-90 tones made of alloy-forged steel with Cr content of 1,40-5,50% have an excellent combination of metallurgical and physical properties such as a compact porosity-free microstructure; good ductility and toughness values; high resistance to fatigue, wear and thermal cracking.
اقرأ المزيد
John G. Lenard, in Primer on Flat Rolling (Second Edition), 2014 3.5 Friction and Wear. Work rolls in hot strip mills wear due to friction between the roll surface and hot strip. (Back-up rolls wear as well, but under pressure with elastic deformation, the friction is much less, except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill).
اقرأ المزيد
Forged Back Up Rolls for Hot and Cold Rolling Mills. Manufactured by degassed steel in vacuum furnaces, these rolls show high levels of pureness. They are forged in hydraulic presses in order to achieve high levels of toughness. These rolls, used in continuous Hot Strip Mills, Steckel Mills and Cold Rolling Mills, are capable of facing the most ...
اقرأ المزيد
Optimized roll diameter combination (small work, intermediate and back-up rolls) 'Work Roll Driven System' to achieve high flatness controllability; Development of a high strength small diameter spindle to drive the work roll ; Main Feature of HYPER UC-MILL. Optimized Combination of Work, Intermediate and Back-up Rolls
اقرأ المزيد
The roll chocks are broadly categorized into 4 types which is shown in fig 3Top Back up Roll Chock 1. Top Work Roll Chock 2. Bottom Work Roll Chock 3. Bottom Back Up Roll Chock Figure [3] Roll chocks Figure [2] Four high stand of reversing cold mill 4. Design of chocks The housing of a work roll or backup roll bearing is known as chock.
اقرأ المزيد
New rolling mill designs Roll stand back-up rollers are precision machine elements that give optimum functioning and achieve their maximum operating only if they are precisely matched to the application. When new enquiries are received for roll stand back-up rollers, a wide range of technical data are therefore required in order
اقرأ المزيد
Two Row Taperedroller bearings are very common as the back-up thrust bearing in a rolling mill or as the roll neck in lighter duty rolling mills. Two row tapers are designed in a variety of styles for different applications. Converging bearings (TDI,TDIE,TDIS) consist of one double cone and two single cups possibly with a cup spacer.
اقرأ المزيد
Planetary mill roll configuration – In this type of roll configuration, there are a pair of heavy back-up rolls surrounded by a large number of planetary rolls. Each planetary roll gives an almost constant reduction to the feed material as it sweeps out of a circular path between the backup roll and the feed material.
اقرأ المزيد
2 High Rolling Mill - Element. 2 High Rolling Mill. Rolling mills consisting of two rolls or known as a 2 High rolling mill is used for anything from temper pass to breakdown of material. The 2 High rolling mill typically have larger diameter work rolls that are positioned with actuators that either have: Hydraulic. Pneumatic. Electro-mechanical.
اقرأ المزيد
Forged Steel Back Up Roll Definition. The forged back up roll is a mill roll that supports the work roll and intermediate roll for the purpose of avoiding deflection of the work roll and affecting on the yield and quality of the plate and strip rolling mill. This is the key function of back up roll to ensure the operation of the whole rolling mill. The common materials are …
اقرأ المزيد
The main reasons for the deformation in the roll according to the past researchers identified. from the manufa cturing of the roll to the using the in the rolling mill. The following reasons are ...
اقرأ المزيد