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Backup Rolls - 4HI-6HI, रोलिंग मिल in Kolkata, Kolkata ...

Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. 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, …


Back-up Rollers for multi-roll cold rolling mills

Back-up rollers Multi-roll cold mill stands are described using different terms ... of the back-up rollers for the rolling mill. Back-up rollers are designed such that the lubricant is ... these can be reground several times without loss of hardness.


Cold Rolling Mill Backup Rolls at Rs 100000/piece ...

We provide complete solution for manufacturing and heat treatment of Cold Rolling Mill Backup Rolls for 2hi,4hi and 6hi cold rolling mills.We have in house heat treatmentand processing, which enables us to provide best in class quality finished product.


rolls for rolling mill - SlideShare

Name Type of material Hardness Depth of hardness Hardness deviation Intermediate roll 2%Cr, 3%Cr, 5%Cr SHSS 70-85 HSD 8-50mm Within 2 HSD Back-up Roll Big-sized Back-up Roll Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is …


Forged Steel Back up Rolls - Csroll.com

Forged Steel Backup Rolls. The grades have 3% and 5% Chromium together with Molybdenum and Vanadium, differentially hardened to achieve bainitic to martensitic shell with spheriodized pearlitic core. Chodan Sazan produces forged steel back up rolls for hot and cold strip mills. These rolls are used in continuous, Semi Continuous and Steckel Hot ...


6 High Mill Rolls, 6 Hi Cold Rolling Mill Rolls ...

Metal Processing Cold Rolling Mil Rolls Wide range of TCT Circular Saw Blades manufactured by us and is used on stationary as well as flying sawing machines for all types of metals slitting and cutting operation.Tungsten Carbide Tipped Circular Saw Blades (TCT) helps in burr free cutting steel & non ferrous metals, stainless steel & grey cast iron as billets, slabs or sheets in rolling ...


Development of Smart Contact Backup Rolls in Ultra-wide ...

In order to solve the serious backup roll spalling of roughing mill during ultra-wide stainless steel rolling process, a 3D elastic deformation finite element model of 4-high roll stacks was ...


Reversing Cold Rolling Mill (CRM)

4Hi / 6Hi, Two stand: Salient Features . Rolling Speeds up to 1400 mpm; ... Air-Oil Lubrication for Backup Roll, Grease Lubrication of IMR & WR ... Possibility of configuring combination mill for both cold rolling and skin passing with entry side bridle or bridle on both sides for uniform tension control during skin passing of thinner gauges.


Cold Rolling Mill Rolls and Cold Rolling Mill Work Rolls ...

We provide complete solution for manufacturing and heat treatment of Alloy Steel Cold Rolling Work Mill Rolls for 2hi,4hi and 6hi cold rolling mills.We have in house heat treatment and processing, which enables us to provide best in class quality finished product.


China Six Roller (6-Hi) Cold Rolling Mill Manufacturers ...

Six roller (6-hi) cold rolling mill introduction. 6-Hi rolling mill is especially suitable for high precision rolling at high rolling speed, can give a variety of finished thicknesses, reducing steel coil strip from 3mm to 0.10mm with width ranging from 500 to 1250mm.Different materials and different states of metal plates require different rolling processes, the cold rolled plate precision ...


STATE OF THE ART COLD ROLLING MILL FACILITY

Type – Rolling Mill Work Roll And Back‐Up Roll Shot Blast Machine Small Diameter WR Capacity – 60mm – 150mm Dia. X 1800 Length X 200 Kg Large Diameter IMR/4HI WR Capacity – 200mm – 500mm Dia. X 3500 Length X 3000 Kg Main Motor – Impeller 22 Kw Exhaust Fan Motor – 7.5 Kw


Cold Rolling Mill Rolls by Dee Tee Industries Limited from ...

DeeTee rolls out world class forged rolls- Sendzimir mill rolls cluster mill rolls, 6Hi, 4Hi and 2Hi mill rolls, skin-pass rolls etc. The rolls are prone to very tough working conditions and have to be perfect in terms of wear resistance, toughness and hardness.


rolling mill rolls material

Material: Forged alloy steel, En-31, K-310, HCHC, die steel material. Barrel hardness evenness: 3 HSD. Barrel hardness: HSD 80 - 102. Hi: 2Hi mill work roll, 4 Hi …


Steel Rolling Mill Machine

0.8-0.9 for the outer layer of the hot rolling backup roll in the West Germany Wood foundry. Hot rolling backup roll core 0.2 ~ 0.4. 0.7 ~ 0.80.4 1.8 1.8 0.5 mo0.35 for the outer layer of the backup roll of gangdemen hot rolling mill in West Germany. Hot rolling backup roll core 0.250.40.4


Forged Steel Roll - Back Up Roll For Rolling Mill | TINVO

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 9Cr2Mo, 86CrMoV7 ...


The effect of roll roughness on the rolling parameters ...

The roll forces and roll torques for both rolls, at low and high reductions and using work rolls of roughness varying from R a =0.3–2.4 μm, are shown in Fig. 1, Fig. 2, respectively. In both figures the surface velocity of the work roll is given on the abscissa.


6-HI, Cold Reversible Rolling Mill

6-HI Mill Features Roll Dimensions: 385mm Dia x 440mm Dia x 1000mm Dia x 1420 Barrel Work Roll Driven Mill Motor: 2 x 2500 KW DC Screw Down: Hydraulic AGC Roll Balance Roll Bend Intermediate Roll Shifting Mill Front Shutter Work Roll Rolller Bearing Intermediate Roll Roller Bearing Back-Up Roll Radial Cylindrical Roller Bearing Thrust Bearings


Work Rolls - 2HI-4HI-6HI

Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. 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.


Backup Rolls - 4HI-6HI, रोलिंग मिल in Kolkata, Kolkata ...

Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. 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.


designing 6hi cold rolling mill specifications

home; designing 6hi cold rolling mill specifications; designing 6hi cold rolling mill specifications. Feb 10, 2012 LINE SPECIFICATIONS CRM - I Min thickness rolled 0.15 mm Max. rolling speed 1200 MPM Max. reduction / pass 38 % Max. No. of passes 5 Capacity 0.2 MTPA Load for reduction Thickness tolerances 0.8 X width of sheet In rolled sheet 0.03 mm Max. front tension 12.2 MT Max. back tension ...


SMS DEMAG 6HI REVERSING COLD ROLLING MILL National ...

roll separation force 800 ton max. tension 9000 kg backup roll diameter: 1050 mm - 1150 mm intermediate roll diameter:430- 470 mm work roll diameter: 250 mm - 280 mm mill motors (2) 2250kw, dc winder motors (ea) 2700 kw, dc


Premature failure analysis of forged cold back-up roll in ...

In this paper, premature failure of a forged back-up roll from a continuous tandem mill was investigated. Microstructural evolutions of the spalled specimen and surface of the roll were characterized by optical microscopy, X-ray diffraction, scanning electron microscopy and ferritscopy, while hardness value of the specimen was measured by Vickers hardness testing.


Coil Mill Rolls, Coil Mill Rolls Manufacturer, Coil Mill ...

2 Hi, 4Hi, 6Hi 20 Hi Rolling mill rolls the cold rolling mill rolls that we manufacture applies to various high precision 2-Hi (as well as a few other like 4-Hi, 6-Hi and 20-Hi) mills, named from working location between work roll and back-up roll, mainly used to control the shape of strip.


Backup Rolls Manufacturers India,Back ... - Rolling Mill Rolls

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 ...


Steel Grinding Roll Forged Mill

China skew rolling mill skew rolling machine Steel Ball. China skew rolling mill skew rolling machine Steel Ball Hot Rolling Line manufacturer 16mm to 150mm steel ball 1 Forged grinding ball has high hardness surface hardness to 58 65HRC volume hardness of 57 64HRC 2 Impact toughness high impact toughness more than 12J 35J cm2 3. Get Price.


roll mills efficiency

Advanced two roll mill lab For Efficiency - Alibaba.com. Home rolling mill two roll mill lab. 1801 products found for. two roll mill lab. Add to Favorites. 1 / 6. 2 Roll Mill 2 Roll Rubber Mill Laboratory Heated Plastic And Rubber 2 Roll Mill. Up to 5 years warranty. $7,000.00-$9,500.00/ Set. Read More


Sendzimir/ Cluster Mill Rolls - 20HI - Welcome to BIEC

The material of Sendzimir work roll is tool steel, die steel and high-speed steel. These are materials of high hardness . The rolls are manufactured under quenching and tempering processes of high temperature . During the tempering process, secondary hardening is used to reach hardness of 60-63HRC, 61-64 HRC, 63-66HRC etc, for different work ...


AU2009222231B2 - Rolling mill and rolling method for flat ...

Disclosed is a plate rolling mill wherein a kiss roll-tightening state such as zero point adjusting work before rolling, and deviations in offset of work rolls in the right/left or up/down directions of a rolling mill during rolling are eliminated, and such problems as warpage of a plate and meandering or camber caused by a thrust force produced between a work roll and a reinforcing roll are ...


Work Rolls - 2HI-4HI-6HI

Work Rolls - 2HI-4HI-6HI Forged steel work roll performs as a tool to transform materials under normal room temperature, therefore, it is the most wear and tear spare parts during the rolling process .


List Of Regular / High Profile Clients – Passi Machine Tools

* Work Roll Chock * Backup Roll Chock * Tension Reel for 6Hi mill * Tension Reel Mandrel for 4hi Mill: 13. Rollcon Engg. Comp. Mohali * Recoiller 2000mm X 610mm * Work roll chock * Backup roll chock * Tension Reel for 6 hi mill Export to Kenya: 14. Vallabh Steel Ltd. * Work roll chock * Backup roll chock Tension Reel for 6 hi mill: 15. Vardhman ...