Abstract: A method and a plant for rolling hot-rolled wide strip from continuously cast thin slabs of ferritic/pearlitic microalloyed structural steels with a microalloy with vanadium and/or with niobium and/or with titanium in a CSP plant or compact strip production plant, wherein the cast slab strand is supplied divided into rolling lengths through an equalizing furnace to a multiple-stand CSP rolling train and is continuously rolled in the CSP rolling train into hot-rolled wide strip, is then cooled in a cooling stretch and is reeled into coils. For achieving optimum mechanical properties in hot-rolled wide strip by thermomechanical rolling, a controlled structure development is carried out when the thin slabs travel through the CSP plant.

Abstract: A device for changing the vertical position of the vertical rolls in universal roll stands for rolling girders of different heights, wherein the vertical cross section of the housing of the bearing chock is constructed asymmetrically and the vertical distances of the planes of the two slideways of the bearing chock from the horizontal longitudinal center plane of the vertical roll are dimensioned differently. The increase of the distance between the roller table and the center of the vertical roll can also be achieved by shims which can be placed and fastened on horizontal guide surfaces of the bearing chocks of the vertical rolls of the universal roll stand.

Abstract: A method and a plant for transferring a wire coil from a coil forming chamber of a coil forming station of a cooling conveyor onto a C-shaped hook of a hook-type conveyor equipped with travel rails, wherein the wire coils are transferred directly onto the vertically swung hooks. The hook-type conveyor includes device for opening and closing a travel rail area and a cooperating gripping device with a frame receiving the gripping device, and with a drive for swinging the hook from a horizontal position into a vertical position and vice versa, and a drive for raising and lowering a hook, and finally a drive for longitudinally moving a hook.

Abstract: A universal roll stand with a divided housing on the operator side, wherein a vertical housing stirrup engages between the upper and lower separating lines or planes of separation of the housing. A transfer element overlapping the two separating lines for transmitting the vertical forces between the upper and lower housing parts is arranged in each lateral housing groove arranged on both sides of the roll housing on the operator side.

Abstract: A roll stand without roll housings has at least two work rolls which are mounted in roll bearings and which each extend along a roll axis, wherein the rolls define a roll gap and the roll axes define a roll plane, so that the roll plane contains both roll axes, wherein the roll bearings are connected to each other through two groups of connecting elements, and wherein one group of connecting elements each is arranged on each side of the roll plane. The connecting elements of the groups are adjustable over an adjusting length distance, wherein at least one of the groups is adjustable under load by an adjustment drive in the adjusting direction over an under-load length distance and wherein the under-load length distance is substantially smaller than the adjusting length distance. With respect to the portion of the adjusting length distance which exceeds the under-load length distance, the groups of connecting elements are constructed so as to be without drive.

Abstract: An apparatus for blasting a strip emerging from a roll stand, wherein the apparatus includes a separate strip edge blasting unit, wherein the strip edge blasting unit and the strip blasting apparatus are control-technically connected to each other. The strip edge blasting unit includes nozzle beams with several nozzles whose nozzle beam inputs are connected to the valve outputs of the valves of the existing strip blasting apparatus. The nozzle beams are arranged in the areas of the edge zones of the strip blasting apparatus. The blasting nozzles of the strip blasting apparatus are controlled in such a way that always only that nozzle is provided with compressed air which is located next to the last edge zone nozzle, i.e., is located outside of the existing blasting range, so that the strip edge is specifically blasted and dried.

Abstract: An apparatus for cooling the work rolls of a roll stand includes for each roll a cooling water duct equipped with spray nozzles at a spray beam as well as devices for supplying cooling water and for removing heated water, a cooling water guide plate for the upper work roll arranged at an acute angle relative to the rolling stock surface and provided with a stripping member at the front of the guide plate facing the upper roll, and an essentially horizontally extending cooling water guide plate located closely underneath the rolling stock plane and provided with a stripping member for the lower roll.

Abstract: A device for water cooling rolled steel sections, particularly for cooling the flanges of girders placed on a roller table, includes a plurality of spray nozzles arranged on both sides of the roller table and at a distance above the conveying plane of the roller table, wherein the spray nozzles are arranged spaced apart from each other and wherein the spraying direction of the spray nozzles is adjustable in a vertical plane. The spray nozzles may be arranged in such a way that the angles of the spraying directions of the spray nozzles can be adjusted concurrently in vertical planes.

Abstract: A finishing train for continuously cast strip material and a method of operating the finiching train, wherein an edging stand is arranged in front of the finishing train for preventing strip material cracks occurring during the reduction of the strip thickness at the strip edges, wherein position control circuits are arranged in front of the adjusting device of the edging stand. The arrangement includes a superimposed pressure control circuit (edging degree monitoring circuit) which responds to the adjusting force of the edging stand and the position thereof, and a load limiting control unit which responds to adjusting forces of the grooved rolls of the edging stand exceeding permissible values and/or to loads of the drive motors of the grooved rolls exceeding permissible values, for increasing the predetermined gap width and/or reducing the desired pressure of the adjusting device of the edging stand.

Abstract: A descaling device for slabs or strips in hot rolling mills includes nozzles fed by a pressurized water piston pump for directing water jets against the slab or strip for removing scale adhering to the surface of the slab or strip. At least one additional pressurized water piston pump is provided, wherein the piston pumps are connected in parallel and the pumps can be switched on and off separately. A second row of nozzles may be arranged in front of the nozzles at a distance which ensures that the water jets do not influence each other. The water pressure of the water supplied to the second row of nozzles is preferably lower than the water pressure supplied to the first row of nozzles.

Abstract: A continuously cast strand is cut into elongated billets having ends and the billets are run through a rolling stand. after cutting the strand into billets and before rolling the billets one of the billets is engaged in the rolling stand and a trailing end of the one billet and a leading end of another billet are enclosed in a mold with the ends longitudinally spaced. This space between the ends is filled with molten metal in contact with the ends of the billets and the molten metal is hardened to interconnect the billet ends. Then the mold is removed from around the billet ends. The molten metal is of substantially the same composition as the billets. Furthermore the one billet is advanced in a travel direction by means of the stand and the mold and the other billet are advanced synchronously with the one billet after enclosing the billet ends in the mold. The mold is removed from the billet ends before the hardened metal between the billet ends enters the rolling stand.

Abstract: A reel for round rolling stock, such as fine steel or medium steel, particularly wire, with a coil basket for the wire coil to be coiled and vertically extending guide pins for the wire arranged in the coil basket, and with a raisable and lowerable coil floor which can be actuated by a lifting rod. A device for collecting wire windings hanging from the wire coil is arranged in the area of the upper reel head. The collecting device may be of annular construction and the outer diameter of the annular collecting device essentially corresponds to the outer diameter of the reel and the inner diameter of the annular collecting device corresponds essentially to the outer diameter of the outer surface of the coil basket.

Abstract: A rolling apparatus has a frame and a first eccentric journal sleeve mounted on the frame, defining a first axis, and having axially inner and outer ends. A first shaft journaled in the sleeve has respective inner and outer ends at the first-sleeve inner and outer ends. The first-shaft outer end projects axially from the frame and carries a workpiece-deforming first roller. A rocker is displaceable transversely of the axis on the frame and carries a second eccentric journal sleeve defining a second axis generally parallel to the first axis and having axially inner and outer ends. A second shaft journaled in the second sleeve has respective inner and outer ends at the second-sleeve inner and outer ends. The second-shaft outer end also projects axially from the frame and carries a workpiece deforming second roller forming with the first roller a workpiece-receiving nip.

Abstract: A method and an apparatus for severing wire windings which are uncooled and not tolerance-adhering from the beginning and end of a rolling line conveyed over a Stelmor plant or comparable wire winding conveying systems, wherein initially a number of the front windings of the rolled strand are counted and in accordance with a predetermined number of windings these windings are severed as front crop from the finished wire. Subsequently, the severed windings are accelerated on a first conveyor and the following finished wire is decelerated, so that the cut location is widened during transport.

Abstract: A method of operating a coil transfer apparatus and a coil transfer apparatus with a coiling station having a coiling roller each at an entry side and an exit side and with a uncoiling station with an uncoiling roller each on an entry side and an exit side. The method includes coiling a strip in a coiling station into a coil or placing a coil onto the coiling rollers, supporting the coil by the coiling rollers during coiling or after placement of the coil on the coiling rollers, and transferring the coil for uncoiling to the uncoiling station and supporting the coil after the transfer during uncoiling by the uncoiling rollers. The method further includes the steps of moving the coiling and uncoiling stations toward each other and raising the coiling roller on the entry side of the coiling station.

Abstract: A steel bar is made by first producing a continuously cast forgeable steel strand of generally square cross section with flat beveled corners at a temperature above a transformation temperature. This strand is then cut into billets which are passed through a succession of pairs of rollers and compressed with the rollers with a pressure sufficient to compact a core of the billets without substantially lengthening the billets.

Abstract: A rolling train, particularly a tandem stand group, includes three roll stands, particularly two universal stands and an edging stand, wherein a middle stand of the three stands or the edging stand is moveable out of the stand group transversely of the rolling line for exchanging the roll set and the guide fittings, and wherein the rolling train includes at least one shifting or manipulating platform with roll exchange sets and/or exchange fittings placed on carriages.

Abstract: A rolling mill drive with gear-type joint spindles arranged between driveable rolls and the gear units of the driveable rolls and equipped with a device for circulatory or pressure lubrication of the gear units. Each spindle has a grooved oil supply ring connectable to an oil supply, wherein oil can be supplied through a central duct of the spindle shaft to the gear-type joints, and with a stationary housing surrounding the spindle shaft at a distance and serving for the oil discharge, and with an oil delivery pump connectable on the pressure side to the oil supply rings and interacting with an oil cooler. Each gear-type joint spindle is surrounded by a pipe at a radial distance so as to form an annular oil return duct. The pipe is open at the end facing the gear unit and protrudes into the oil collection housing provided at this location for effecting oil discharge.

Abstract: A method of rolling strip in a strip rolling train having at least two roll stands, each roll stand having horizontally adjustable upper and lower work rolls, wherein the work rolls act alone as a two-high stand or each work roll is supported directly or through an intermediate roll by a back-up roll, or in a reversing stand in which at least two passes are rolled, wherein the strip is subjected in the roll stands to a constitutional change, and wherein adjusting elements act on the strip for imparting a profile and surface evenness to the strip. The method includes presupposing in at least one strip area an intended surface unevenness shape over a width of the strip, determining an actually achieved surface unevenness shape in the strip area and comparing the actually achieved surface unevenness shape to the presupposed unevenness shape, computing a difference between the unevenness shapes, and operating the adjusting elements such that the difference is minimized.

Abstract: A method of rolling steel sections, particularly in a universal section mill, wherein X-shape rolling and H-shape rolling are carried out alternatingly and specifically directed cooling of the steel section is carried out during rolling. During roughing rolling in a X-shaped groove a cooling water channel is formed at each side of the steel section at the connecting locations between web and flange. The roll cooling water flowing off from the H-shaped rolls is concentrated in the cooling water channels. An additional quantity of water may be added either without pressure or in the form of spray water to the concentrated roll cooling water.