The mill layout for the investigation of the T-bar rolling process was determined based on a common arrangement for H-beam rolling as shown in Fig. 1. The break down mill forms the initial rectangular-section workpiece into a rough T-section bar. Next, a universal roughing mill and an edger mill are used to reduce the web
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The width is typically controlled by vertical stands in the roughing mill (edger) and the relation of tensions and reductions in the finishing mill. For the latter part, the new technology package Dynamic Width Control for finishing mills manipulates the width by tension control in the finishing mill.
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One of the most important parameters of hot strip mill products The horizontal rolling stand is adopted after edger stand to is the width of the product. Determining and controlling the flatten the "dog bone" shape and to reduce the thickness of the slab width in hot strip mill takes place in roughing strip mill slab.
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vertical edger refers to the mechanical equipment used in the process of steel rolling from raw materials to finished products.it has the advantages of high rigidity of rolling mill, high quality of strip steel, and time …
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camber in the roughing process of a hot strip mill (HSM) was analyzed using finite element simulation. The finite element model was established based on the actual size of the roughing mill and on the actual actuating time sequence of the roughing mill in China Steel Corporation (CSC), Kaohsiung.
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Vertical rolling is an important technique used to control the width of continuous casting slabs in the hot-rolling field. Accurate prediction of vertical rolling force is a core point maintaining rolling-mill equipment. Owing to the limitation of the algorithm in use, the prediction accuracy of most vertical rolling force models based on the energy method can only reach …
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Powder concentrator is one of the most important part of slag vertical roller mill (hereinafter referred to as "slag vertical mill"), the function of which is to make qualified finished product after grinding enter into the precipitator through outlet piping of body by steering flow while semi-finished particle (over the specified size) will be threw out and sink under gravity.
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This thesis contains the simulation of different vibration modes in a hot Roughing mill which consists of a Horizontal mill with an attached Edger (Fig. 5.1). Four vibrations of the Roughing Mill system have been studied: (i) torsional vibration of Horizontal mill (ii) vertical vibration of Horizontal mill (iii) torsional vibration of Vertical ...
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This thesis contains the simulation of different vibration modes in a hot Roughing mill which consists of a Horizontal mill with an attached Edger (Fig. 5.1). Four vibrations of the Roughing Mill system have been studied: (i) torsional vibration of Horizontal mill (ii) vertical vibration of Horizontal mill (iii) torsional vibration of Vertical ...
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Vertical edger: The vertical edger placed before the roughing stand help in the production of plate with good edges .This ensures minimum side trimming losses and increases net yield. The vertical edger is driven by two 1800 kW motors placed on top of the stand. Roughing and Finishing stand: They are made of stationery closed top roof housing.
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The slab passes through a reversing roughing mill where primary reduction in thickness takes place. The reversing mill is a four high mill with two work rolls and two back up rolls to support them. Here, the slab moves to and fro 6–7 times and reduction takes place in …
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The workhorse roughing mill has 135" wide rolls for rolling 'broadside' (as the first roughing mill is commonly called) to make a slab wider. A 5,000 hp motor drives 42"-diameter work-rolls through 28:1 gears to reduce the slab's thickness by as much as 2-½". The last four roughing mills each incorporate edgers for width control ...
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The first project was the control of a new divide shear and the second project an upgrade to Wilton?s reversing roughing mill. russula El primer proyecto fue el control de una nueva cizalla y el segundo fue una modernización del tren intermedio de Wilton.
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universal roughing mi ll and an edger mill were ... a new roll arrangement of the edger mill with additional vertical ... and that handling functions were the greatest cost element of the ...
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[p]Another example of a rolling practice is shown in Fig. 7 in application to a reversing roughing mill with a close-coupled vertical edger located at the entry side of the roughing mill stand. By using a powerful vertical edger, with grooved rolls, the overall reduction in width of 370 mm is obtained for a slab with an initial width of 1100 mm ...
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Coil Box is between hot continuous rolling production line roughing mill and finishing mill, and its function is that the intermediate blank after the roughing is batched, and then oppositely uncoiling enters mm finishing mill unit.Adopt the afterbody of Coil Box coiling process band steel to become the head of uncoiling process band steel, thereby reduced the temperature …
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Roughing end mills have serrations in the teeth to quickly remove large amounts of material without creating vibration. The serrations produce many small chips and a rough finish. ©2016 MachiningCloud, Inc. End Mills | 5 Ball end mills produce a radius at the bottom of pockets and slots. Ball end mills are used for
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To reach high demands of a stainless steel surface quality the location of a slab edge is optimized utilizing multiphysical finite element (FE) analysis. The slab edge forms in roughing process when the longitudinal edge of the stainless steel slab moves parallelly towards the center of a transfer strip surface due to several rough and edge rolling passes.
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One of the slab width reduction methods in hot rolling mill is to use vertical rollers called edger; this is called the edging process. In edging process the slab thickness near the edges of the… PDF View 1 excerpt, cites background Analytical approach for compulsory broadsiding of continuous rough rolling process
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Two new powerful roughing stands and a vertical edger will be installed ahead of the finishing mill The . powerful edger, with a total draft of 100 mm, allows the full recrystallization of the slab edges and extends the capacity of the plant when producing narrow products. separatThe ion of the roughing stands from
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2.1 Roughing Mill with Attached Vertical Edger A four-high reversing roughing mill (R2) is provided in roughing mill area (Figure 2). The roughing mill is equipped with the screw down system mounted on the top of the mill housing for high speed, motor driven roll gap adjustment between each rolling pass.
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Roughing mill The roughing stand with attached vertical edger is shown in Fig. 2. It has provisions for future installation of hydraulic, automatic width control cylinders and semiautomatic work roll changing.
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Rolling mills are often divided into roughing, intermediate and finishing rolling cages. During shape rolling, an initial billet (round or square) with edge of diameter typically ranging between 100–140 mm is continuously deformed to produce a certain finished product with smaller cross section dimension and geometry.
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The hot strip mill is totally automated and is capable to produce coils up to 20 tonnes and includes a high tech equipment, a vertical edger & roughing mill with automated width control and maximum width reduction of 50 mm, the only one of its kind in Latin America, the coilbox, which besides optimizing energy, its greatest advantage is to ...
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6-Stand Strip Mill Cooling Vertical Water Edger Reheat Furnace Slab 4-Hi Roughing Mill Coil Product Hot Slab ... Niobium plays a key role as it performs 3 functions: a) By precipitating as Nb(C,N) in the austenite during finish rolling, niobium acts to pin ... 2 Hi roughing mill where it is rolled to a gauge of between 20 and 38 mm in 12 to 14 ...
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which consists of a Horizontal mill with an attached Edger (Fig. 5.1). Four vibrations of the Roughing Mill system have been studied: (i) torsional vibration of Horizontal mill (ii) vertical vibration of Horizontal mill (iii) torsional vibration of Vertical Edger (iv) horizontal vibration of slab between the two mills.
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Roughing mill rolling of reheated slab: The roughing mill usually consists of one or two roughing stands in which the slab is hot rolled back and forth 5 or 7 times repeatedly to reach the minimum thickness requirement. The roughing mill also contains edger rolls that are used to roll the edge of slab and center it.
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A. Vertical edger: The vertical edger placed before the roughing stand help in the production of plate with good edges .This ensures minimum side trimming losses and increases net yield. The vertical edger is driven by two 1800 kW motors placed on top of the stand. B. Roughing and Finishing stand: They are made of
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The F9 large, vertical machining center is designed to provide power, speed, precision, and versatility. The F9 is designed to to attack both large production part applications as well as big die and mold components by provide stiffness and rigidity for chatter-free, heavy cutting, roughing and finishing on the same machine, agility for high-speed / hard-milling and …
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Technology Packages. Supply scope. Plate Mill - Roughing mill, Finishing mill, Edger. Pair Cross for Profile Control. Roll Shift for Roll Wear. Hydraulic AGC. Push Up Cylinder for Roll Pass Adjustment. Low Head Type Edger With Hydraulic AWC. Controlled Cooling During Rolling.
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There are 13 different kinds of milling cutters used in various milling machines. They each cut materials differently. They are: end mill, roughing end mill, slab mill, face mill, hollow mill, slot drill, ball nose cutter, side-and-face cutter, involute gear cutter, fly cutter, woodruff cutter, dovetail cutter, and hob. Milling cutters are essential cutting tools needed in a milling machine.
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.ppt, Introduction of HSM equipment 2004.8(rev.0) (HSM Layout) (RF entry equipment) (Reheating Furnace) (Primary descaler) (Roughing mill with edger) (Crop Shear) (Steckel Mill) (Laminar strip cooling) (D
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Slab edging with plain rolls is one of the techniques for reducing the width of the hot-rolled strip in a roughing mill. This rolling method reduces the strip width and forms a product with a dog ...
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(6) where, Sw: is edger mill stretch (mm), and PE is edger roll force (ton). 3.2 Learning function There are two learning items for the width calculation. One is for the model of width deformation in the roughing mill. This is executed when roughing completes and use width value measured by R2DW.
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Pro-E TM 600 edger with tracer-blocker Tracer-blocker with 2 Pro-E TM 600 edgers Pro-E TM 600 with a tracer-blocker + an additional Essilor edger EXTENDED CONFIGURATIONS FUNCTIONS Roughing: abrasive wheel Roughing: mill Bevel / Flat-edge / Polishing Grooving / Chamfering / Drilling Mixed finishes Specific bevels: asymmetric / mini / step
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