2019-1-10 · 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
Read MoreTakashi SHIBAHARA, Yoshisuke MISAKA, Teruo KONO Mitsuru KORIKI, and Hiroshi TAKEMOTO Synopsis: Width change in roughing train of a hot strip mill is investigated.Formulas by which width spread in vertical and horizontal rolling is predicted are derived according to a regression analysis using measured values on a production mill. A new mathematical model
Read MoreRoughing 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.
Read More2020-3-26 · vertical edger rolling stands in the roughing mill section and by using a slab sizing press. Effective width control using the vertical edgers is important for achieving the accuracy and precision of slab width relative to target values.
Read MoreThe primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, ... roughing mill, its temperature is fed back to the furnace, ... vertical rolling mills called edgers. Slabs heated in the furnace until they glow bright orange-yellow are rolled
Read More2017-1-24 · universal roughing mill and an edger mill were carried out. 2. Process overview 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.
Read More2018-7-5 · Roughing rolling mill is a machine for rolling steel. Rough rolling is in the middle of heating and intermediate rolling mill, and its function is to process the heated slab by a roughing rolling mill into an intermediate blank that
Read More2012-3-8 · RECENT TRENDS IN HOT STRIP ROUGHING MILLS: HIGH CHROMIUM STEEL VERSUS SEMI-HSS1 Jacqueline Lecomte-Beckers 2 T. Jerome Tchuindjang 2 Mario Sinnaeve 3 Roger Ernst 3 Abstract Two alloys grades for work rolls used in the roughing stand of Hot Strip Mill (HSM) are compared. The first grade known as High Chromium Steel (HCS) is presently
Read More2017-2-1 · structure for the roughing mill in Slovakia Steel Mills, a.s. Strážske. The given roughing mill consists of six rolling stands (STD), individually driven by motors. Motor speed is controlled by DC drives with closed loop speed control. The workpiece passes through the stands with box-oval and round-oval grooves in horizontal-vertical rolling
Read More2022-2-6 · • The transfer function ) ... In this work, such a roughing mill and its edger rolls are considered. A mathematical model for the motion and the camber of the plate is derived. Based on this ...
Read More2020-4-6 · 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.
Read More2015-12-3 · The roughing mill also contains edger rolls which are used to roll the edge of slab and center it. The hot strip mill can be either a high performance mill or a compact mill. The difference in the two mill types is the coil box which, in
Read More2018-11-16 · 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
Read More2013-8-31 · adjustment and the ski-head control especially for the roughing mill. The electro-mechanical servo valves precisely control the hydraulic cylinder position. Hydraulic AWC system Excellent width accuracy can be achieved by providing the hydraulic AWC system on the vertical edger(s), from top end to tail end of the production.
Read More2018-7-5 · Roughing rolling mill is a machine for rolling steel. Rough rolling is in the middle of heating and intermediate rolling mill, and its function is to process the heated slab by a roughing rolling mill into an intermediate blank that satisfies
Read MoreAnother 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
Read More2021-3-15 · addition of a Roughing Mill Stand, a Vertical Edger, a second Cooling Bed, a Crop Shear in the first shear line and a second shear line. The Steckel Mill line includes provision for the addition of another Reheat Furnace, a Roughing Mill Stand and Edger, three Tandem Mill Stands after the Steckel Mill Stand and a second Downcoiler.
Read More2012-3-8 · RECENT TRENDS IN HOT STRIP ROUGHING MILLS: HIGH CHROMIUM STEEL VERSUS SEMI-HSS1 Jacqueline Lecomte-Beckers 2 T. Jerome Tchuindjang 2 Mario Sinnaeve 3 Roger Ernst 3 Abstract Two alloys grades for work rolls used in the roughing stand of Hot Strip Mill (HSM) are compared. The first grade known as High Chromium Steel (HCS) is presently
Read More2018-2-21 · after the roughing mill and finishing mill. In the case of a large product mix with different entry-strip tempera-tures to the finishing mill, a temperature measurement in front of the finishing mill improves the performance of the FFWC. The signal processing of the exit width of the roughing mill is an important component of the FFWC.
Read More2022-2-6 · • The transfer function ) ... In this work, such a roughing mill and its edger rolls are considered. A mathematical model for the motion and the camber of the plate is derived. Based on this ...
Read More2020-4-6 · 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.
Read More2022-1-14 · Against this background, Tata Steel IJmuiden placed an order with SMS group in summer 2018, covering the modernization of the edger main drive at the first roughing stand of the 88-inch hot wide-strip mill No. 2. The edger was originally supplied by SMS group and has been operating for almost 35 years.
Read More2021-3-15 · addition of a Roughing Mill Stand, a Vertical Edger, a second Cooling Bed, a Crop Shear in the first shear line and a second shear line. The Steckel Mill line includes provision for the addition of another Reheat Furnace, a Roughing Mill Stand and Edger, three Tandem Mill Stands after the Steckel Mill Stand and a second Downcoiler.
Read MoreTo 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.
Read More2021-5-11 · needed to be removed by the vertical mill (edger) in the HSM line; and during intensive edging, fishtails e (unstationary top and tail crop looks like a fish tail) occurred at the top and tail portions of the slab, resulting in reduced yield. 2.2 Emergence of
Read More2019-4-29 · 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.
Read More2021-1-20 · Non-center cutting end mills have cutting edges only on the sides and are used only for side milling. These tools are identified by a small hole at the center. 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.
Read MoreTransfer bars rolled at the roughing mill have ends out of square, so-called tongue and fishtail, on their head and tail ends respectively. The crop shear is located in front of the finishing mill to cut off these parts for stable threading.
Read More2022-2-6 · • The transfer function ) ... In this work, such a roughing mill and its edger rolls are considered. A mathematical model for the motion and the camber of the plate is derived. Based on this ...
Read MoreEquipment composition and function: Flying shear is composed by transmission equipment, cutting support base and upper & lower spindle. Upper spindle has optical-electricity-encoder to control the start-stop position of the shear blade in the processing of the cutting.
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