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The cobble generation at the hot strip mill at HSM, RSP has been reduced from 0.47%. in 2016-17 to 0.25% during April-December, 2017 due to modified side guide. measurement system, thermovision ...
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Strip steel with a continuous coil thickness of about 20 mm or less (the maximum thickness is generally 25.4 mm) and with a width less than 600 mm is narrow strip steel, while strip steel exceeding 600 mm is broadband steel. The first hot strip mill was put into production in the United States in 1905 to produce strip with a width of 200 …
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The results of this paper describe current developments obtained at hot strip mill no. 1 of thyssenkrupp Steel Europe in Duisburg, Germany. Hot strip mill No. 1 consists of 4 furnaces (numbered 0-3), a reversing roughing mill stand (R1), an intermediate stand (Z3), a seven-stand finishing mill (F0-F6), a cooling section and 3 coilers.
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1. For more detail, refer to the data sheet: Hot Strip Mill Product Dimensions (file reference A1.1) 2. Side-trimmed coils on enquiry only Coil mass The minimum and maximum coil masses available in the mill edge condition vary according to coil width between 17 and 31 tons respectively. Minimum order mass is based on the proceeds of one slab for
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The coilers are indispensable important equipment in. hot strip rolling line. Their main task is to coil the strip out of the finishing mill, and the n transport to the next. working procedure ...
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The late Paul Böhringer first founded Böhringer , ... Hot Products Used for bohringer crusher from germany. ball mill lrs dippers in south africa Crusher Screen Plate. Impact crusher. ... hydraulic side guides coiler hot strip mill; mining method in pakistan; Information. High and New Industrial Zone, Kexue Revenue, High and New ...
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The side guides were reconstructed with the aid of several components already available at the hot strip mill. The new and strong hydraulic side guides in the roughing mill stand entry and exit sections serve for slab respectively transfer bar centering, with simultaneous positioning of the hydraulically operated horizontal adjustments at the ...
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voestalpine Stahl has awarded Primetals Technologies the order to supply further side guiding beams with wear discs for its hot strip mill in Linz. The Eco Slide Disc systems will be installed at the entry side guides of coilers 3 and 4. Eco Slide Discs have already been in continuous, successful operation at one guiding side of …
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The fluid hydraulic cylinder drives the auxiliary roll to move to help the smooth coiling. Coiler is mainly used for winding long rolled pieces into coils or plate coils. In the modern cold rolling strip …
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Main type of steel strip/ plate coiler from China Type: Solid reel, pyramid-style, eight pyramid-style, four wedge-style, arched-block structure, etc We are a turnkey solution provider for cold rolling production line, pickle line, temper mill and related metallurgical products, if you need spare parts for maintenance or professional ...
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Cold Rolling Mill. Incoming Coil Thickness range = 3,2 – 1,4 mm Outgoing Coil Thickness range = 1,8 – 0,14 mm Yearly Capacity = 180.000 Tons. Main Power: Pay Off = 350 kW Stand = 2 x 1900 kW Tension Reel (each)= 1900 kW Max Speed = 1400 m/min. Work Roll Size: 400 mm x 1430 mm Backup Roll Size:1250 mm x 1430 mm Separating …
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Abstract. The looper control of hot strip finishing mill is one of the most critical control items in hot strip rolling mill process. It is a highly complex nonlinear system, with strong states coupling and uncertainty that present a dificult control challenge. Loopers are placed between finishing mill stands not only to control the mass flow ...
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60 in. Hot Strip Mill with Coil Box ... DESCALING: High pressure descale water on entry side of mill removes remnant furnace scale and re-oxidation. 25 26. 11/2/2020 14 Making, Shaping and Treating of Steel: 101 Mill Configuration ... Entry Side Guide (Strip Centering in …
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ISIJ International, Vol. P*.~: nominal pressure Ap: pressure drop across the valve I: current supplied to the solenoid by the amplifier I***: maximumsolenoid current. 3.2. Pipe Line Transmission delay of hydraulic oil in the pipe line is very small and henceneglected. 3.3. Cylinder It converts flow into corresponding pressure andforce. The total volume of oil …
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Hot coiler is a key equipment in the production line of hot strip mill.As the traditional coiler cannot timely avoid the difference between layers during coiling process,which results in strong impact and vibration to cause harm to the equipment.The method to solve this problem is using step controlled coiling roll technology.The electro-hydraulic servo …
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The slab is rolled into hot strip (thickness ranging from 0.8 mm to around 16 mm and width ranging from 800 mm to 1880 mm) as it passes through the finishing mill of 5, 6 or even 7 stands. The hot strip after rolling enters the run out table (ROT) where it undergoes laminar cooling to the coiling temperature. It is then coiled to room temperature.
DetailsX-ray systems from IMS are oper-ated at a fixed high voltage for the following reasons: maximum X-ray tube lifetime by maintaining the tube under constant load. low load on the X-ray tubes through low operating param-eters; nominal values: 3 kW, 225 kV, 10 mA; typical actual values: 0.4 kW, 155 kV, 2.5 mA.
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The skin-passing process involves passing the coil through a set of rolls. The rolls induce a predefined amount of force on the HR surface which makes the surface smoother and corrects the yield point phenomenon. Parameters Values Strip Thickness 1.2mm to 6mm Strip Width 700mm to 1650mm Weight 30 T (max) Coil I/D 762mm Coil O/D 1000mm …
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Abstract. Downcoiler is one of the major facilities in hot strip mill operation. The key to good coiling is having good equipment, modem control systems, excellent maintenance and an understanding ...
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, converted the coil handling system at its Bochum hot strip mill from a vertical-axis (on end) to a horiz ontal-axis (on side) system. On the initial section the new system
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In order to ensure high quality of hot rolled coil, ... Modernization of Downcoiler for Hot Strip Mill Abstract: In order to ensure high quality of hot rolled coil, a conventional downcoiler has heen revamped into a new one with hydraulicaly operated wrapper rolls controlled by electro-hydraulic servovalves and microcomputers. The control ...
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of 300 °C/s for a 4 mm thick strip. The UFC device can be installed directly after the finishing mill (early UFC pattern) or before the down coiler (late UFC pattern) [6−7]. In 2002, NKK's Fukuyama Works completed installation of the Super-OLAC H (on-line accelerated cooling for hot strip mill) system at the cooling section
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The strip guiding system serves to keep a strip, which shows such tendency, in the centre of the system or in any other defined position. The strip guiding system thereby prevents damage to the product or the production plant and ensures that the strip runs evenly through the production process. Due to increasing quality demands and very high ...
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the hot strip mill for SAIL RSP in Rourkela (India) are two examples of full turn-key projects. In these projects the scope of Primetals Technologies includes civil works, bays, steel structures and cranes, water treatment plant, roll shop, slab and coil yards. The hot strip mill for ArcelorMittal Poland was installed within 24 months from contract
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PREET BROTHERSLIMITED | FLAT PRODUCTS HOT ROLLING MILL DIVISION | A PREET ENTERPRISE Preet Brothers Limited | Flat Products Hot Rolling Mill Division has successfully designed, built and executed small, medium and mega size Hot Rolling Mills projects like: Narrow Strip Rolling Mills Capacity: 300,000 – 1,400,000 T / Year | Hot …
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Hot Strip Mill (HSM) ... Chocks, Hydraulic cylinders, Pneumatic Cylinders, Gear Boxes, Motors, Valves and other major equipments. ... Un-coiler Side Guide Cylinder - Bore Ø 127 BKIT93442 Top Bending Cylinder - Bore Ø 177 BKIT90015 Pres : 400 bar Speed : 0.5 m/s
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With the increasing demand on higher strip quality, the profile and flatness of hot rolling strips have become subjects of concern, particularly for compact strip product (CSP) hot strip mills. Based on the roll contour, control model, and rolling process, a comprehensive shape control technology is proposed and applied to CSP hot strip mill …
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The strip steel is coiled on the drum under the action of the auxiliary roller.A hydraulic side guide plate is set in front of the coiler to strictly align the strip steel;A pinch roll is set in front of the coiler to form a certain tension with the coiler when the strip head is formed and the strip tail comes out of the finishing mill.
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Published 2005. Engineering, Materials Science. IFAC Proceedings Volumes. Abstract JFE Steel Corporation's East Japan Works (Chiba District) started operation of No.3 Hot Strip Mill in 1995. This line was the first in the world to achieve "endless hot strip rolling.". A new Coiler Control technology was developed. View via Publisher.
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The X-Roll® hot strip mill from SMS group is an all-round talent in hot strip production. It is the proper solution for ultra-thin gauges up to thick gauges for all steel grades incl. LC, ULC, high strength grades, API grades. ... The modern roughing stand consists of sturdy side guides, an edger, and the roughing mill stand. The roughing mill ...
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The coiling of a steel strip in a Downcoiler is an integrated part of the hot-rolled steel production line. Failure to coiling results damage to finished rolled strip along with mill downtime due to cobble. Thus, coiling success in Downcoiler is a critical concern for production of hot rolled steel strip. A mathematical model has been developed to …
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1. Vertical Mill Stand The up-drive type consists of a roll stand, mill spindles, a vertical gear reducer with a pinion stand and a motor. The gear reducer and motor are installed on a concrete frame to protect them from roll cooling water and mill scale. A lifting device is installed under the roll stand to adjust the caliber position to pass ...
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The strip entry side guides of the hot-strip mill coiler at ArcelorMittal Eisenhüttenstadt will be equipped with rotatable Eco Slide Discs mounted on maintenance-free, rugged side beams. The wear discs are mounted vertically between the table rollers and are automatically and synchronously rotated by a selectable angle after a variable …
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1.1 Background. In compact strip production (CSP) mill, hot coil is made by rolling process. Slab is cut to the pre-decided length and this hot slab is directly fed to the tunnel furnace (of length 185–260 m). In tunnel furnace slab, temperature is equalized across the cross-section. Temperature of slab at entry of tunnel furnace is about 950 ...
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