SMS Siemag AG Patent applications |
Patent application number | Title | Published |
20160045944 | SEALING DEVICE AND ROLL ARRANGEMENT - The invention relates to a sealing device for installation in a roll arrangement between the roll journals of a roll and chock. The sealing device has an annular main body having sealing rims that extend radially outwards. Furthermore, the sealing device has an annular reinforcement element having a strip-like section which coaxially surrounds the main body on the outer side thereof. In order to ensure the dimensional stability and thus also the function of the sealing device even after the installation thereof in the roll arrangement, that is to say after said sealing device has been pushed onto the frustroconical roll journals, the reinforcement element according to the invention has, in addition to the coaxial strip-like section, at least one flange which is connected thereto and is connected to the sealing rim. Furthermore, the invention relates to said roll arrangement. | 02-18-2016 |
20150344261 | METHOD AND DEVICE FOR WINDING A METAL STRIP - The invention relates to a method for winding a metal strip (I) into a reel with a winding mandrel ( | 12-03-2015 |
20150343504 | ROLL ARRANGEMENT - The invention relates to a roll arrangement for use in metallurgical technology, comprising a roll that has a roll barrel ( | 12-03-2015 |
20150337404 | METHOD AND DEVICE FOR PREDICTING, CONTROLLING AND/OR REGULATING STEELWORKS PROCESSES - The present invention relates to a method for predicting, controlling and/or regulating steelworks processes, comprising the steps of monitoring at least two input variables related to a target variable, determining the relationship between the at least two input variables and at least one target variable by means of regression analysis or classification methods, and using the determined target variable for predicting, controlling and/or regulating the steelworks process. | 11-26-2015 |
20150151345 | Apparatus for and method of winding-up a metal strip, and plant for producing a metal strip windable into a coil - An apparatus ( | 06-04-2015 |
20150144288 | CONTINUOUSLY OPERATING STRIP CASTING AND ROLLING SYSTEM - A continuously operating casting and rolling system with a strip tension control includes a casting unit having a melt-containing feed vessel with a horizontal casting channel and a discharge region in the form of a casting nozzle, and a primary cooling zone with two guide rolls and a circulating cooled casting strip and at least one downstream rolling unit having at least two drivable rollers. In order to minimize the tension on the cast strip, the casting unit and the subsequent rolling unit are mechanically decoupled, wherein for the decoupling at least one driver unit having at least two drivable rollers for driving the strip is arranged between the casting belt and the rolling unit. | 05-28-2015 |
20150072794 | ROLLING MILL DRIVE COMPRISING A TOOTHED ARTICULATED SPINDLE - The invention relates to a rolling mill drive ( | 03-12-2015 |
20150020564 | Device for Straightening a Flow for Cooling a Roll or a Metal Strip - The invention is directed to a device for straightening a stream of a cooling medium for cooling a roll or a metal strip. This device comprise a hollow body, extending over at least part of the width of the roll or the metal strip, and a tube, arranged in the hollow body and extending in the direction of the width of the roll or the metal strip, wherein the hollow body is divided in the direction of the width of the roll or the metal strip into a number of chambers, and the tube comprises openings for introducing cooling medium into the chambers of the hollow body, and the chambers respectively comprise an opening for the flowing out of cooling medium from the hollow body. Furthermore, according to the invention the chambers, respectively, comprise a channel, formed between the inner wall of the hollow body and the tube, for conducting cooling medium from the openings of the tube to the opening for the outflow of cooling medium from the hollow body, wherein the flow cross-section of the channel narrows art least at its downstream end. | 01-22-2015 |
20140298877 | Method, computer program and rolling mill train for rolling a metal strip - The invention relates to a method, a computer program and a rolling mill train for cold rolling a metal strip ( | 10-09-2014 |
20140290325 | STRIPPER FOR A WORK ROLL OF A ROLLING STAND - The present invention relates to a stripper ( | 10-02-2014 |
20140193195 | Toothing for operation at a deflection angle and production method - The invention relates to a toothing, in particular of a drive spindle for driving a roll in rolling mills or continuous casting plants, which comprises several teeth and meshes with a second toothing in the manner of a spline, wherein a flank line of the teeth has a curvature and a deflection angle is formed between the rotational axis of the second toothing and the rotational axis of the toothing, wherein the toothing ( | 07-10-2014 |
20140150508 | MEASURING DEVICE, ROLL STAND AND METHOD OF DETECTING THE HEIGHT OF A ROLL GAP - The invention relates to a measuring device, a roll stand and a method for detecting the height of a roll gap between two working rolls in the roll stand. In order to ensure a high level of measurement accuracy of the roll gap transmitter even in the case of horizontal displacement of the working rolls in or against the rolling direction it is proposed in accordance with the invention to carry out adjusting the movement of the roll gap transmitter ( | 06-05-2014 |
20140083644 | CSP-CONTINUOUS CASTING PLANT WITH AN ADDITIONAL ROLLING LINE - A continuous casting plant ( | 03-27-2014 |
20130312544 | METHOD AND DEVICE FOR REMOVING A SAMPLE FROM A COIL - The present invention relates to a device ( | 11-28-2013 |
20130192327 | 4-ROLL, 6-ROLL, 18-HS-ROLL STAND HAVING A CASSETTE-TYPE DESIGN - The invention concerns a 4-high/6-high/18 HS cassette-type roll stand in which bending force is transmitted to bending journals ( | 08-01-2013 |
20120104668 | CONTINUOUS SCRAP SUPPLY INTO AN ELECTRIC ARC FURNACE (EAF) - A continuous scrap feed into an electric smelting furnace (EAF) having a channel connected at one end to an opening in a wall of the smelting furnace and has at its other end a charging device for the scrap. An extraction device for the off-gases which are guided through the channel serve to preheat the scrap, this extraction device being connected to the channel between the two ends of the channel located closer to the smelting furnace than the scrap feed in relation to the total length of the channel. The extraction device is a single-stage blower whose intake opening is oriented in the direction of the smelting furnace, and the clear cross section of the channel between the extraction device and the scrap feed is adapted to the amount of scrap so that the height of the scrap charge substantially fills the clear cross section. | 05-03-2012 |
20120093677 | METHOD FOR PRODUCING A HOT ROLLED STRIP AND HOT ROLLED STRIP PRODUCED FROM FERRITIC STEEL - The invention relates to a method for producing a hot strip from transformation-free ferritic steel, wherein a melt is cast into a roughed strip and the latter is subsequently rolled into a hot strip. For this purpose, it is provided that the melt is cast in a horizontal strip casting facility under conditions of a calm flow and free of bending into a roughed strip in the range between 6 and 20 mm and is subsequently rolled into hot strip having a degree of deformation of at least 50%. | 04-19-2012 |
20110204204 | Torque Support for A Converter Tilting Drive - A torque support for a converter tilting drive mounted on a shaft journal. The supports are provided on the gear housing that accommodates the shaft journal to be driven. The supports support the gear housing on the structure carrying the converter. To this end, the supports are embodied in each case as dual action hydraulic piston-cylinder units that are independently anchored on the structure in an articulated manner. | 08-25-2011 |
20110197708 | Process for Producing Foamed Slag - A process and material for producing foamed slag by which the foaming of a slag with a high chromium oxide content can be achieved. An electric arc furnace is charged with a mixture of metal oxides and carbon and, below the slag at the metal-slag interface, the metal oxide is reduced by carbon and limestone and becomes thermally discordant. The occurring gases cause the slag to foam due to the formation of bubbles. | 08-18-2011 |
20110146850 | Method for Producing A Steel Strip Having A Dual-Phase Microstructure - A method for producing semi-finished product, particularly steel strip, having a dual-phase microstructure and a tensile strength between 500 and 1000 MPa. Elements such as carbon and nitrogen which are interstitially dissolved in a ferritic matrix are bound by alloying elements such as Al, Mo, Nb, Ti and V which form carbide, nitride or carbonitride in order to adjust a microstructure of hard components such as martensite, bainite, carbide with low fractions of residual austenite in a ferritic matrix, which is substantially free from interstitially dissolved elements (IF character). | 06-23-2011 |
20110146447 | Method for Controlling Foamed Slag in a Stainless Melt in an Electronic Arc Furnace - A method for controlling foamed slag in a stainless melt in an electric arc furnace. Slag level in the electric arc furnace is continuously detected thermographically as a function of time and slag level, and an addition of foaming material is controlled depending on the temperature and temperature gradient. | 06-23-2011 |
20110144926 | Process for Predicting the Emergence of Longitudinal Cracks During Continuous Casting - A process for predicting longitudinal cracks during continuous casting of steel slabs. The local strand temperature is measured by thermocouples distributed in the mould wall. In this process, the risk of the strand rupturing as a result of longitudinal cracking is assessed statistically taking into account the current temperature values measured by the thermocouples arranged in the mould and the temperature values determined when no cracks are present. | 06-16-2011 |
20110088871 | Cooling Element for Cooling the Fireproof Lining of a Metallurgical Furnace (AC,DC) - A cooling element for cooling the refractory lining of a metallurgical furnace. A cooling element is to be provided which prevents coolant from entering the interior of the furnace while maintaining a good cooling action. This is achieved by a cooling plate which faces the refractory lining, a heat-conducting plate which is arranged at an angle to the latter, which is fixedly connected to the cooling plate and extends out of the furnace wall. The cooling plate and the heat-conducting plate are made of solid material. A coolant channel which is fixedly connected to the heat-conducting plate is connected to a coolant input and a coolant output. | 04-21-2011 |
20110088514 | Process for Producing a Foamed Slag on Austenitic Stainless Melts in an Electric Arc Furnace - A process for producing a foamed slag on austenitic stainless melts in an electric arc furnace. A mixture of metal oxides and carbon is introduced into the furnace, the metal oxide is reduced by the carbon below the slag at the metal/slag interface, and the resulting gases bring about the foaming of the slag by bubble formation. The mixture to be charged, which is added in the form of preforms such as briquets or pellets, contains iron oxide, iron carriers, carbon and the required binders in addition to nickel oxide. | 04-21-2011 |
20100327101 | Rolling System for Rolling Strip-Shaped Rolling Stock - A rolling installation for the rolling of in-process stock in the form of strip having a first reel, a second reel, with at least one stand between the reels, and with assigned coil transport trucks. Each reel is designed as a reversing reel, namely as an uncoiling and coiling reel. | 12-30-2010 |
20100200364 | Device For Transferring Continuous Casting Slabs - A device for transferring continuous cast slabs arranged parallel to and equidistant from one another to an individual production line arranged in extension of one of the continuous casting strands, wherein the cycle time for transferring and conveying the slabs is to be reduced. This is achieved by a ferry which is movable transversely by steps between the ends of the continuous casting strands and the start of the production line and which has berths serving for receiving and delivering the slabs substantially simultaneously. | 08-12-2010 |
20100199735 | Device For Adjusting the Distance of a Stripper Chisel - A device for adjusting the distance of stripper chisels from a circumference of work rolls supported in chocks of a roll stand, wherein the stripper chisels are movable parallel to the rolling line in direction towards and away from the roll gap. To adapt to different operating positions and diameters of the work rolls, the stripper chisels are arranged in a horizontally displaceable stand roller table. The movement of the stand roller table is linked with the vertical movement of the bottom work roll so that the stripper chisel can be moved away from the work roll when the bottom work roll moves upward, and vice versa. | 08-12-2010 |
20100192672 | Indirect Determination of the Waste Gas Rate for Metallurgical Process - A method for the indirect determination of the waste gas rate in metallurgical processes. A reference gas such as helium is first added to the waste gas, specifically at a time which, with respect to flow, sufficiently precedes the taking of a sample such that a thorough mixing of the reference gas and waste gas is carried out, i.e., a virtually homogeneous distribution is achieved, and a quantitative helium analysis and nitrogen analysis of the waste gas, measured by a mass spectrometer, is carried out while taking into account the added amount of helium. | 08-05-2010 |
20100162781 | Roll Stand for rolling metallic strips and roll or cylinder for a roll stand of this type - A roll stand for rolling metallic strips comprises at least one roll or cylinder which is respectively mounted in a mounting on rolling bearings in the region of its end journals, and at least one distributing device for distributing a lubricant-gas flow. The roll stand according to the invention makes it easily possible in an operationally reliable manner to supply a rolling bearing, provided for mounting a roll or cylinder, with a precisely determined amount of lubricant. This is achieved according to the invention in that a connecting channel for the transport of a lubricant-gas flow to or from the distributing device is molded into the roll or cylinder. | 07-01-2010 |
20100132910 | Method For Detecting And Classifying Surface Defects On Continuously Cast Slabs - A method for the detection and classification of surface defects on continuously cast products using topographical information about the appearance of continuously cast surface defects and/or flaws are determined with respect to their exact position, evaluated with respect to their location and dimensions, and eliminated in accordance with the evaluation prior to further machining of the product, or are prevented by optimizing the process. The defects and/or flaws on the slab surface of the continuously cast preliminary product are detected and are stored with respect to their exact position and a detection of defects and/or flaws on the finished product is carried out and stored with respect to their exact position, and in that the information from the preliminary product is then compared with the information from the surface inspection on the finished product. Only the information which has led to, or can lead to, defects on the finished product is considered for the elimination of defects and/or flaws on the preliminary product. | 06-03-2010 |
20100132908 | POSITION-CONTROLLED OR PRESSURE-CONTROLLED DEVICE FOR THE HYDRAULIC POSITIONING OF COMPONENTS - A device for the hydraulic positioning of structural component parts, in particular rollers of strand guide segments of a continuous casting installation, with hydraulic cylinders, each of which is divided into a cylinder space and an annular cylinder space by a piston having a piston rod. The cylinder spaces can be connected to a pressure source by control members. Hydraulic connection lines are reduced or components used are reduced. Either the annular cylinder space is acted upon by a pressure which is adjustable but which then remains constant, while the pressure applied to the piston in the cylinder space is position-controlled or pressure-controlled, or the cylinder space is acted upon by a pressure which is adjustable but which then remains constant, while the pressure applied to the piston in the annular cylinder space is position-controlled or pressure-controlled. | 06-03-2010 |
20100084108 | Continuous Casting Mold - A continuous casting mold with two narrow mold sides opposite one another and two longitudinal mold sides opposite one another. At least one of the narrow mold sides is movable toward and away from the other by means of hydraulic cylinders on the opposite narrow mold side. The hydraulic cylinders can be actuated independently from one another and have, in each instance, a cylinder and a piston guided therein. The piston rod of the piston is connected to the narrow mold side that is to be displaced, and a device for acquiring the position of the piston and, therefore, the displacement of the narrow mold side, is associated with at least one of the hydraulic cylinders. To improve the determination of the position of the narrow mold side, a displacement measuring system is arranged parallel to the hydraulic cylinder and constructed such that its measurement path directly corresponds to the displacement of the piston of the hydraulic cylinder. | 04-08-2010 |