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COILER CONTROL IN ENDLESS HOT STRIP ROLLING T. Motomura, K. Ueda, T. Imazeki, Y. Fukui, K. Yiro East Japan Works, JFE steel corporation, 1, Kawasakicho, Chuoku, Chiba, Japan Abstract: JFE Steel Corporation''s East Japan Works (Chiba District) started operation of Hot Strip Mill in 1995. This line was the first in the world
With the newly developed Eco Slide Disc system, Siemens Metals Technologies offers operators of hot strip mills a side guide system that can be adapted to nearly all existing entry guides. According to the manufacturer, the system elongates the lifetime of wear parts up to .
Dec 13, 2013· Side guide retracting device • Entry and exit guides have been allocated to each mill stand whose side provide a lateral guidance of the strip. • The entry (F2 – F5) and delivery guides (F1 – F5) are pulled back by hydraulic cylinders during a roll change so that the work rolls can be run out.
HOT STRIP MILL — HIGHEST PERFORMANCE FOR NEW AND EXISTING STEEL MILLS The demand for hot rolled strip is growing in multiple ways. To remain competitive, new and existing mills must meet this challenge in the best possible way. The production of hot strip is a .
Telpicity corrector device for hot strip mill consists of a device installed on the subsequent stage to the steel strip coiling in hot rolling process, where the coil (2) positioned in a horizontal or vertical axle is pressured by two disks (3) centralized in an axle reducing or eliminating the defect (flaw ) of telpicity (1 ) without causing shape damage to the coil (2) and after ...
ARVEDI ISP Hot Strip Mill HAGC cylinders ‐Entry/Exit Top and Bottom Guides ‐Interstand Stand Guides ITALY BHP STEEL Hot Strip Mill Entry Exit Side guides ‐Interstand Guides CANADA BHUSHAN POWER STEEL LTD Hot Strip Mill WR/BUR Top and Bottom Chocks complete of liners INDIA ... SALEM STEELS Steckel Mill Coiler Drum Mandrel ‐CVC Bending ...
B. Flat Product Mill a) Plate Mill b) Hot Strip Mill A. Long Product Mill All Long Product Rolling Mills (Automatic) are having following main ... discharged from furnace through the side discharging door and are ... Mill Stand, Crop Shear, Coil Box, Down coiler / Recoiler, Power transmission mechanism including oil cellars, Conveyors, Motors etc.
Steel Steel Hot strip: The rolling of hot strip begins with a slab, which is inspected and, if necessary, surface cleaned either manually or by scarfing machines with oxyacetylene torches. The slabs are then pushed, or walked on their broadside, through gasfired furnaces that have a hearth dimension of about 13 metres by 30 metres. In a pushertype furnace, the slabs slide on watercooled ...
Compact in design, CSP ® produces highquality hot strip in a single manufacturing line that combines casting, heating, and rolling. Our proven CSP ® caster with its patented funnelshaped mold casts thin slabs in thicknesses ranging from 50 to 90 mm. Next, the slabs go into the CSP ® furnace for temperature equalization. Straight after that, the CSP ® mill rolls them to final strip thickness.
Side guides with Eco Slide Disc beams from Primetals Technologies at the entry side of the down coiler unit in the hot strip mill of voestalpine Stl in Linz, Austria. Primetals Technologies, Limited headquartered in London, United Kingdom is a worldwide leading engineering, plantbuilding and lifecycle services partner for the metals industry.
and coiler, poor surface and edge quality on the hot strip, inadequate watercooling, and improper setup relative to the side guides. The sparking often seen at the entrance of the coiler is actually small particles of hot strip and/or pieces of the side guides flying into the pinch. Figure 2. Forged steel bottom pinch roll exhibiting a severe
The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semifinished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process.
The modern hot strip mill is furnished with a tremendous amount of equipment from the reheat furnaces all the way down to the coiling equipment. Fortunately for both our ferrous and nonferrous customers alike Butech Bliss can provide equipment and technical services for nearly every element of the hot strip mill.
Jan 01, 2005· During coiling, this "gate change" is performed by an electric jack and hydraulic cylinder (Fig. 6, Fig. 7). Strip Floating carrier After the finishing mill, a shear is needed to cut the strip, and a P/R is needed to guide the strip to the proper downcoiler (D/C). To prevent trouble, the Strip Floating Carrier Down Coiler (D/C) ...
A twin stand mill with a rougher stand before the steckel mill is suitable for an output of 800,000 tonnes a year. Features. Mill types: 4high work roll shift mill; 4high Pair Cross mill (PC mill) with online roll profiler and dynamic PC option for dynamic Automatic Profile and Flatness Control (APFC).
Aug 28 2015 · Side guides with Eco Slide Discs from Primetals Technologies at the entry side of the down coiler in the hot strip mill of voestalpine Stl in Linz Austria Primetals Technologies Limited headquartered in London United Kingdom is a worldwide leading engineering plantbuilding and lifecycle services partner for the metals industry
Jul 23, 1985· The latter accumulator has on one side compressed nitrogen gas while on the other side a hydraulic pressure is developed by a working piston displaceable in the hydraulic cylinder. ... for the stripguide members of a subfloor strip coiler for a hotrolling stripmill line which provides a more reliable positioning of the controlled member with ...
Japanese mill of the same caliber rolls a little more tonnage, but the coils are much wider and thicker. For all its bulk and brawn, the 84inch hot strip mill is a delicate
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Sep 01, 2006· I is in use for coiling the FN = normal force strip extracted from finishing mill and it consists of FRolI = roll force side guides which has function pushing to center FZ = tension force direction, pinch roll, mandrel which is used to coil h = strip thickness the strip, and wrapper roll which induce initial, (} = hot yield point (N/mm2 ...
Our Liquid Engineers have developed products and services to help improve productivity of the Hot Strip Mill The importance of the Hot Strip Mill to the steel production process has driven our Liquid Engineers to create a range of products and services that help improve productivity and reduce total cost of ownership in this demanding environment.
Dec 03, 2015· Side guides on either side of the run out table seek to keep the strip''s headend pointed at the coilers; the final section of guides in front of each coiler adjusts to match strip width and features a pneumatic quickclose system that allows the operator to center the strip headend as coiling begins.
Primetals Technologies has received an order from ArcelorMittal Eisenhüttenstadt, a German steel producer, to install Eco Slide Disc side guides on the entry side beams of a coiler in a hotstrip mill. They will replace the conventional wear plates. The reference plant at voestapline Stl has shown that the rotatable discs can be used for up to several months, whereas the previous equipment ...
hot strip rolling line. Their main task is to coil the strip out of the finishing mill, and then transport to the next working procedure. The core part of coiling control system is the tension control. The control effect of coiling tension is directly related to the production and quality of hot rolled strip .
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