tandem mill weirton backup rolls

MITTAL STEEL USA INC. Annual Report (10-K) ITEM 2

Weirton Our Weirton, West ia facility is located on approximately 2,700 acres near the Ohio River. Weirton is an integrated mill capable of producing hot-rolled sheet, cold-rolled sheet, galvanized, electro-galvanized, and tin plate products for use in construction, service center, container and

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Cold Rolling Mill Primetals Technologies Japan, Ltd.

The rolling mill adds roll coolant control to the 3 existing types of control (intermediate roll bender, intermediate roll shift, work roll bender) to deliver superior shape control capability. This machine is in wide use in all types of cold rolling fields, including tandem cold mills and reversing cold mills.

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Rich Crowe Production Technician Arcellor Mittal

Arcellor Mittal Weirton. Work production on 9 tandem mill. laid off steelworker. RG steel. June 1978 Present 40 years 6 months. laid off millwright from a steel company. i have worked for this company all my working life.im experienced,willing to work overtime and any shifts.

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Arcellor Mittal Weirton 9 Tandem

THE MONITORING OF CHATTERING IN COLD ROLLING MILL

Equation is applied at each stand in tandem cold rolling mill and the inter stand tension connects all stands simultaneously. During acceleration and deceleration, rolling condition change and simulation is affective to study total characteristics during non steady state rolling. Top backup roll and bottom backup roll,

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Wuhan Iron and Steel Group Co. Ltd. Roll, Material

Main products are casting rolls of high speed steel, high chrome steel, high chrome iron, high nickel and chrome, and BD roll series. By means of joint venture and cooperation, it can produce various kinds of cast steel rolls for roughing mill, forged steel work rolls and backup rolls

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IJESRT

In rolling mill operation a four roll high stand tandem mills including two work rolls and two back-up rolls are used to decrease force and power of work roll as well as increase the accuracy and thickness uniformity of thin sheets. Repeated loading under bending and compressive stresses, severe

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Second Hand 1100mm 12hi Cold Rolling Mill moranmachinery

Partial 8 Hi Cold Rolling Mill 6 Hi Cold Rolling Mill 20 Hi Cold Rolling Mill 4 Hi Cold Rolling Mill Tandem Cold Rolling Mill Cold Rolling Mill for Alloy Steel Asynchronous Rolling Mill; Other Production Line Pickling Line Degreasing Line Temper Mill Tension leveler Temper Mill and Tension Leveler Unit Slitting Unit Acid regeneration Production

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Daryl Rambsel Automation Specialist Level I II Acero

Responsible for the Tandem Mill, Double Reduction Mill, Temper Mills, Washer and Roll Shop. Responsible for the maintenance and operations of the Tandem Mill VAX/VMS system, rolling mill model and the motor drive controls. These operations include 32 personnel and produce approximately 63,000 70,000 Tons per Month.

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Automation Specialist at Acero

Rolling processes Al-Mustansiriya University

Rolling processes 5-1 introduction Rolling is the process of reducing the thickness or changing the cross section of a long workpiece by compressive forces applied through a set of rolls, as shown in figure (5-1). Fig. (5-1) Most rolling is carried out by hot working, called hot rolling, owing to the large amount of deformation required.

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Mittal SteelAnother Successful Case Study From the Save

Observations From the Tin Mill. 1. Batch Annealing (BA) Forty percent of the product is BA, and the rest is continuous annealing (CA). BA has 33 bases and 13 furnaces with a hydrogen and nitrogen atmosphere. Steel rolls are stacked in four rows that are each four rolls

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32 bright finished galvanized steel sheet strip

The facility at Weirton Steel which produces hot dipped galvanized products, including The surface finish (with a grit microfinish) on the rolls in the last stand of tandem mill or Slabs are the raw material for WSC;s hot-strip mill, produced off the caster, and are 9

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Tandem Roll Wire Drawing Rolling Mills topplant-eng

The 2-direction V and H models come with 20 dia, 40 dia, 60 dia, 80 dia, 100 dia, 125 dia, 160 dia. and 225 dia. in roll diameter. The 3-direction model is a type to drive the work roll by the backup roll and the work roll diameters available are 60 dia. and 90 dia.

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Chain-Mandrel Coil Conveyor Allor Manufacturing

Conveyor Chain. Durable, reliable conveyor chain is crucial to the profitability of your operation. Reducing the downtime and maintenance on your conveyor component equals increased productivity.

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1600mm Aluminum 4-Hi Breakdown Cold Rolling Mill in United

Used RWF 4 HI, REVERSIBLE COLD ROLLING MILL in Newark, NJ. Weight 7 ton; Material- Carbon Steel Material Thickness max/min 6.5mm/0.20mm Entry Uncoiler, Snubber Roll, Straightener Coil Weight 7 ton Coil outside diameter, max 1400 mm Coil inside diameter 508 mm Max material w

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B21B 31 Rolling stand structures; Mounting, adjusting

CA2484764C Method and device for changing pairs of work rolls and/or pairs of backup rolls on rolling stands 10/13/2010 EP2237901A2 Linear bearing plate for rolling mill

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Article Mathematical modelling of roll wear in a tandem

A tandem mill is one of these configurations which restricts the strip thickness and removes the surface layer or scale. It is feasible to implement a mathematical model to enable prediction of the used backup roll behaviour during this production line phase.

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VT software Project Automation Severstal PLC

The system for fast change of work rolls in automatic mode (sequentional steps logic) and for backup rolls change. Coil tracking system The system for coils tracking from the beginning of process (entry side of rolling mill) till the end of process (exit side of rolling mill).

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18-HS mills Concepts SMS group

Central to the mill type is the 6-high arrangement with backup, intermediate, and work rolls. The 18-HS design incorporates laterally supported slender work rolls. The horizontal forces, occurring during the rolling process are minimized by horizontal roll shifting, resulting in an extended lifetime of rolls

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Study on the Shifting Model of Edge Drop Control in Ultra

Edge drop is an important quality evaluating index for strip cross-section with the increasing of requirement for higher gauge accuracy to meet customer's demand. The mathematical model of roll shifting system plays an important role in controlling the edge drop on modern tandem cold rolling mills.

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Cold Rolling Mill Rolling (Metalworking) Chemical Elements

Four high rolling mill It has a roll stand with four parallel rolls one above the other. The top and the bottom rolls rotate in opposite direction as do the two middle rolls. The two middle are smaller in size than the top and bottom rolls which are called backup rolls for providing the necessary rigidity to the smaller rolls.

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Alcoa Aluminum Rolled Products

work rolls backup roll backup roll 2-high reversing 2-high 5-stand tandem mill slab Load = Pressure x Area Load = Pressure x (WxL) So, Load aL and a smaller work roll diameter therefore results in lower loads What is the advantage of a smaller work roll diameter? L

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K K Singh et.al., Detection of Defects on Cold Rolling

accordingly. The rolls are inspected after the stock removal once again in the manner stated, in order to ensure the defect free rolls for the subsequent campaign in the mill. The work rolls are further inspected with the UT after in order to assess sub-surface defects so as to enable a judgment on the further use of rolls in the mill.

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FUNCTIONAL PARAMETERS AND VIBRATION

Vibration mill stand occurs due to eccentricity of backup and work rolls. Another issue of the mill vibration is represented by dimensional and surface defects of rolled strip. To detect early functional defects of the mill and the defects of rolled strip will be installed accelerometers on the mill stands and on the gearbox or coupling. 2.

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Set-up optimization for tandem cold mills A case study

2. Cosipa four stand tandem cold mill Cosipa cold mill is a coil to coil four high, four stand mill, in which each stand is composed by two backup rolls and two work rolls, the later coupled to dc motors controlled by digital speed regulators. Two hydraulics actuators, installed at the top of the stands, complete the set of reduction of each stand.

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Products honglilong

We distribute all kinds of roll used for hot strip mill, cold strip mill, plate heavy plate mill, large-sized section mill, universal mill etc. Also we supply cold forged steel work rolls, intermediate rolls and back-up rolls with unit weight below 4 tons, barrel diameter below or equal to 600mm.

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Adaptation for tandem cold mill models Engenharia Eltrica

2. Cosipa four stand tandem cold mill Cosipa cold mill is a coil to coil four high, four stand mill, in which each stand is composed by two backup rolls and two work rolls, the later coupled to dc motors controlled by dig-ital speed regulators, totaling 16MW of nominal power. Two hydraulics actuators, installed at the top of the stands, com-

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Journal of Materials Processing Technology 2009Carlos Thadeu De Avila Pires Henrique C Ferreira Roberto Moura Sales University of Sao PauloYield Adaptive algorithm

4 high reverse roll mill tradingspacesproperties

generally rolled by reverse rolling mills which had small diameter work rolls. Producing the more efficiently had been attempted recently by tandem cold mill which had large diameter and high speed work rolls. . A 4 high cold rolling mill (diameter of work rolls was 110 mm, diameter of backup rolls was 300 mm, length of.

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China Chill Rolls Manufacturers, China Chill Rolls

OEM Spin High Chrome Chill Cast Iron Structure Mill Rolls The carbon content of the alloy adamite roll is usually between 1.2-2.3%, the rest contain Cr, Ni, Mo and other alloy elements.

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Second Hand 1450mm 12hi Cold Rolling Mill moranmachinery

Partial 8 Hi Cold Rolling Mill 6 Hi Cold Rolling Mill 20 Hi Cold Rolling Mill 4 Hi Cold Rolling Mill Tandem Cold Rolling Mill Cold Rolling Mill for Alloy Steel Asynchronous Rolling Mill; Other Production Line Pickling Line Degreasing Line Temper Mill Tension leveler Temper Mill and Tension Leveler Unit Slitting Unit Acid regeneration Production

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