| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 700145000 | Metal | 38 |
| 20080208387 | Power Source Selector - A computerized method for aiding a user in selecting a proper power source for a welding, heating, or cutting application is provided. The user is prompted to provide data about the process type, power source type, and materials used in the application, and is provided with data regarding typical applications and skill levels required for various applications. By applying the process information provided and providing data prompted by the computer system, the user is guided to select an appropriate power source for the user's application and general requirements. | 08-28-2008 |
| 20080306625 | Dual-phase virtual metrology method - A dual-phase virtual metrology method is disclosed for considering both promptness and accuracy by generating dual-phase virtual metrology (VM) values, wherein a Phase-I conjecture step emphasizes promptness by immediately calculating the Phase-I virtual metrology value (VM | 12-11-2008 |
| 20120016511 | BENDING DEVICE - A chuck mechanism that grips a workpiece is configured to be able to twist and rotate the gripped workpiece around a longitudinal axis of the workpiece. A control unit is provided with a first control unit and a second control unit. The first control unit drives an articulated robot to which a bending mechanism for bending the workpiece is attached, and twists the workpiece clamped by the bending mechanism around the longitudinal axis of the workpiece within a preset twisting angle range. When the angle of twisting by the first control unit exceeds the twisting angle range, the second control unit controls the chuck mechanism to twist the workpiece around the longitudinal axis of the workpiece. | 01-19-2012 |
| 20120016512 | BENDING DEVICE - A bending device that bends a workpiece is provided with a bending mechanism that bends the workpiece, a fixing table on which a chuck mechanism that grips the workpiece is mounted, an articulated robot to which the bending mechanism is attached, and a control unit that controls operations of the bending mechanism, the chuck mechanism, and the articulated robot. The control unit includes a first control unit that twists the bending mechanism around a longitudinal axis of the workpiece, and a second control unit that controls the articulated robot to twist the bending mechanism holding the workpiece around the longitudinal axis of the workpiece within a twisting angle range and then causes the first control unit to perform the twisting. | 01-19-2012 |
| 20120095590 | REVERT BLEND ALGORITHM AND APPARATUS USING THE ALGORITHM - A revert alloy is used in the manufacture of a target alloy having a different composition. The weight percent of the elemental constituents of this first alloy and a second or target alloy are obtained, and the ratio of the percentage by weight of each elemental constituent in the first alloy to the second alloy is determined. The lowest ratio is used to determine the amount of the first alloy that is melted and the necessary elemental constituents that are added to the melt to produce the desired composition of the target alloy. The melt is solidified to produce the target alloy. | 04-19-2012 |
| 20120136473 | METHOD FOR MAKING MECHANICAL LINKS - A method of making a mechanical multishear link includes sizing the multishear link by breaking down a system comprised by the link into as many subassemblies as there are simple shear interfaces, defining the subassemblies around each shear interface, describing each shear by its stiffness, and applying the mechanical relationships to achieve a system of equations for a computer-assisted resolution by applying the Huth method to each shear interface. | 05-31-2012 |
| 20120185075 | METHOD FOR USING A NON-LINEAR CONTROL PARAMETER RAMP PROFILE TO APPROACH A TEMPERATURE SET POINT OF A TOOL OR WELD THAT PREVENTS TEMPERATURE OVERSHOOT DURING FRICTION STIR WELDING - A control parameter ramp profile that enables control parameters to be modified in a non-linear manner, such that as a temperature set point of a tool or a weld is approached, the control parameter ramp profile enables the temperature set point to be approached in a manner that prevents temperature overshoot and therefore creating a better weld along the length thereof, wherein the control parameter ramp profile includes but is not limited to proportional, exponential or an S-curve waveform. | 07-19-2012 |
| 20130253691 | METHODS FOR DETERMINING A RECOVERY STATE OF A METAL ALLOY - Methods for determining a recovery state of a metal alloy are disclosed herein. In one example, a fluctuation in a crystallographic grain orientation of the metal alloy is determined by utilizing electron backscatter diffraction (EBSD) data of the metal alloy. A processor of an electron backscatter diffraction machine utilizes a local orientation deviation quantifier to correlate the fluctuation in the crystallographic grain orientation of the metal alloy with a plastic strain recovery of the metal alloy. Other examples of the method are also disclosed herein. | 09-26-2013 |
| 20130282160 | Method for Working Structural Members - A computer supervised method if provided for fabricating articles defined in an electronic information source. The method is performed with a computer in communication with a computer controllable steel fabrication machine of a type that includes vises for holding and rotating a primary member of the article, for example a steel beam, under control of the computer. The method includes operating the computer to extract data from the information source including data defining primary members corresponding to each article. The computer then determines tasks be performed on the primary members by the fabrication machine to transform the primary members, e.g. steel beams, into the articles. The computer transmits a sequence of commands to the machine for carrying out the tasks on the primary members to thereby fabricate the articles. | 10-24-2013 |
| 20130345850 | PROCEDURE FOR CONTROLLING THE SHAPE OF A COMPLEX METAL PROFILE OBTAINED BY A SERIES OF SUCCESSIVE BENDINGS OF A SHEET METAL ON A PANEL BENDER - Described is a procedure for controlling the shape of a complex metal profile obtained by a successive series of a plurality of bends of a metal sheet on a panel bender machine equipped with a data processing and functions control unit for the machine comprising the entering in the processing unit of data relative to a drawing of the complex profile with physical coordinates, as well as data relative to the thickness of the metal sheet and the distance from the axis of the panel bender machine of the metal sheet-profile edge, and conversion of the drawing supplied with physical coordinates into a digital image with imaging coordinates. The nominal profile processed as above is shown on a suitable display superimposed on the image of the complex profile of the metal sheet acquired by a suitably positioned TV camera. A visual control the correspondence between the two superimposed profiles is then performed on the display. From this comparison it is possible to make corrections to the bending parameters of the panel bender machine. | 12-26-2013 |
| 20140277684 | WELDING RESOURCE PERFORMANCE GOAL SYSTEM AND METHOD - Metal fabrication systems and related equipment may be monitored by collecting and transmitting parameter data relating to welding operations to a memory and processing system. Goals for selected parameters may be pre-defined, and certain of these may be standard for corresponding welding systems, locations, operations, operators, and so forth. Upon request a web based report is generated and delivered to a user that indicates the system or systems, comparisons of the actual system performance versus the goals, time periods for the comparisons, and so forth. | 09-18-2014 |
| 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 |
| 20160167247 | SYSTEM AND METHOD FOR FORMING HOLES ONTO A SHEET-METAL ASSEMBLY | 06-16-2016 |
| 700146000 | Casting or drawing | 9 |
| 20090037016 | C4NP Servo Controlled Solder Fill Head - An apparatus for placing solder bumps on a mold plate includes: a solder fill head configured for dispensing molten solder onto the mold plate, the solder fill head also configured for relative movement over the mold plate; and a control mechanism configured for controlling positions of the solder fill head relative to the mold plate. The control mechanism includes: a control input signal containing data about an ideal positioning of the solder fill head; a plurality of sensors positioned on the solder fill head, the sensors configured for providing data about a gap between the solder fill head and the mold plate; a position controller configured for receiving the gap data and comparing the gap data with the control input signal, wherein said position controller provides an inequality signal if the gap data and the control input signal are not equal; an amplifier configured for receiving the inequality signal and amplifying it; and an actuator configured for receiving the amplified inequality signal and controlling movement of the solder fill head in response to the inequality signal received. The control mechanism may be a servo control mechanism. The sensors may be gap sensors. | 02-05-2009 |
| 20100010661 | METHOD TO CONTROL AUTOMATIC POURING OF MOLTEN METAL BY A LADLE AND MEDIA FOR RECORDING PROGRAMS FOR CONTROLLING THE TILTING OF A LADLE - The present invention provides a method to control automatic pouring of molten metal by a ladle that is tilted, wherein the pouring can be carried out in a way that is as close as possible to that of an experienced operator by using a computer that has programs previously installed for such purpose. | 01-14-2010 |
| 20100324719 | METHOD AND SYSTEM FOR DAMPING SLOSHING MOLTEN METAL - The disclosed method is a control to suppress sloshing in a ladle of a pouring device and a mold caused by their movements. A plurality of flasks, each of which contains a conveyed mold, is arranged linearly between an electric pusher-cylinder and an electric cushion-cylinder. In the method, a first natural frequency of the molten metal in the ladle is calculated based on a predetermined relationship between the weight and the natural frequency for the molten metal in the ladle, and the measured weight of the molten metal in said ladle. Also, a second natural frequency of the molten metal in said mold is calculated based on a predetermined relationship between the weight and the natural frequency for the molten metal in the mold, and the measured weight of the molten metal in the mold. The first and second natural frequencies are entered in a filtering circuit to modify a velocity waveform of the movement of conveying the flasks such that the modified velocity waveform does not include the first and second natural frequencies. The electric pusher-cylinder and the electric cushion-cylinder are driven such that the velocity waveform of the movement of conveying the flasks is said modified velocity waveform. | 12-23-2010 |
| 20120041587 | HIGH EFFICIENCY PLANT FOR MAKING STEEL - A method of making steel comprising assembling a steelmaking furnace, a thin strip caster, and a mold caster, inputting to a computer data on demand for production output, raw materials, furnace availability and capacity, sequence schedules and through-put, capacities and variability, forecasting by processing by computer from the inputted data a production schedule for the steelmaking furnace, and sequence schedules for the thin strip and the mold casters as a function of molten metal availability, the thin strip and mold caster sequence schedules and through-put, and demand for production output, directing production of molten metal alternatively to the delivery systems of the thin strip caster and mold caster responsive to said forecasting, and varying during casting the rate of metal delivery through the delivery system of the thin strip caster responsive to molten metal availability and the mold caster through-put. | 02-16-2012 |
| 20120232688 | SYSTEM FOR CONTROLLING POURING MACHINES, EQUIPMENT FOR PURING MOLTEN METAL AND METHOD OF POURING - The present invention is to provide a system for controlling pouring machines, equipment for pouring molten metal using the system and a method of pouring the molten metal where the molten metal can be smoothly poured by the coordinated operation of a casting machine and two automatic pouring machines, where the automatic pouring machines pours the molten metal into each of a number of molds of a casting line for mold. The first automatic pouring machine comprises a first carriage that can run in the direction of the molds of the casting line for mold and a first pouring ladle that is attached to and transported by the first carriage and the second automatic pouring machine comprises a second carriage that can run in the direction of the molds of the casting line for mold and a second pouring ladle that is attached to and transported by the second carriage. The main control device | 09-13-2012 |
| 20120296466 | CONTROL METHOD FOR THE CASTING LEVEL OF A CONTINUOUS CASTING MOLD - A method is provided for adjusting the inflow of liquid metal into a continuous casting mold using a closing device. The partially solidified metal strand is drawn out of the continuous casting mold. A measured actual value of the casting level is fed into a casting level controller, which derives a target setting for the closing device. The measured actual value and a target setting of the closing device are fed to an interference compensator, which determines an expected value for the casting level, which is subtracted from the measured actual value. The difference is fed to a differential controller that derives a controller output signal therefrom, which is multiplied by a superposition factor and superimposed on the target setting as an interference compensation value. An inflow signal derived from the actual setting is further superimposed on the controller output signal and fed to an integrator, which generates an output signal corresponding to the expected value for the casting level. | 11-22-2012 |
| 700147000 | Control of metallurgical property | 3 |
| 20140121815 | METHOD FOR PRODUCTION OF TITANIUM INGOT USING SCRAP AND APPARATUS THEREFOR - High quality titanium ingot is produced by using recovered titanium scrap as a raw material and adding additives. Scrap, each having individual information of identification and process profile information, is passed through automatic reading means to obtain the information and to store it in a data server. A calculating means calculates a combination of the scrap, titanium sponge and additives and feed rate of each of them so as to satisfy chemical composition and producing rate of a target ingot product using the individual identification pieces of information stored in the data server, during a beginning step of the ingot production, and transmits electrical signals corresponding to calculated results of the combination and the feed rates from the calculating means to a feed rate controlling means of each feed means of the titanium scrap, titanium sponge, and additives and then starting supply of them, and detecting means equipped at an extracting part of the ingot product reads actual producing rate of the ingot product, after the beginning step of the ingot production. The calculating means controls feed rate of the titanium scrap, titanium sponge, and/or additives based on the actual producing rate. | 05-01-2014 |
| 20140195034 | COIL SCHEDULING METHOD AND SYSTEM FOR ELECTROGALVANIZING LINE IN STEEL INDUSTRY - A coil scheduling system and a method for electrogalvanizing line in steel industry are disclosed. In addition to considering the minimum changeover of physical parameters such as post-processing mode, width, thickness between every two adjacent steel coils, the method of the present invention further considers the influence of selecting coils on the production system stability due to the changeover of post-processing mode, width and thickness, and, thereby less adjusting the production equipment. Thus, the coils are smoothly produced, and more reasonable production process is obtained. The result of comparing the coil production schedule controlled by coil scheduling system for electrogalvanizing line in steel industry of the present invention with that of the production schedule determined manually shows that the number of changeover is reduced by 31.51%, and the adjustment of the production equipment is effectively reduced. Thus, the product quality is improved, and the enterprise benefit is increased. | 07-10-2014 |
| 20150148936 | METHODS TO CONTROL MACRO SHRINKAGE POROSITY AND GAS BUBBLES IN CAST ALUMINUM ENGINE BLOCKS - A method for estimating proper eutectic modification level in a liquid metal to minimize macro shrinkage porosity and gas bubbles during casting of aluminum automobile components, and a system and article for casting. | 05-28-2015 |
| 700148000 | Rolling | 16 |
| 20080234854 | ROOF AND WALL CONSTRUCTION - The invention relates to roll forming roofing and walling sheets that have pre-cut or pre-marked ends and packing the sheets. The invention includes applying a particular set of rules to a roll forming schedule produced by a current program, such as an Applicad Roof Wizard program, and producing a roll forming schedule that roll forms sheets in an order that does not require sorting after roll forming but results in sheets packed in a logical order for the person cladding a structure, such as a roof or a wall. | 09-25-2008 |
| 20090306810 | Rolling Method for a Rolled Product for Introducing a Step into the Rolled Product - The invention relates to rolled material comprising a front and an end. The rolled material is rolled in a roll gap of a roll stand to a first desired measurement, beginning at the front of the rolled material. When the rolled material is being rolled in the roll stand, it is continuously determined by a control computer, which locates the position of the rolled material which is currently in the roll gap. When the position of the rolled material, which is directly in the roll gap, corresponds to a predetermined first modification position of the rolled material, which is arranged between the front of the rolled material and the end of the rolled material, the roller of the rolled material ends at a first desired measurement such that a first step is introduced into the rolled material on the first modification point. | 12-10-2009 |
| 20130158699 | METHOD FOR MONITORING THE MANUFACTURING PROCESS OF HOT-MANUFACTURED TUBES MADE FROM STEEL - A method for monitoring the manufacturing process of hot-rolled tubes in which the type and dimensional characteristics of structures produced by the rolling process on an outer surface of the tube are evaluated to assess the process state. Immediately subsequent to the rolling process in the exit side region of a rolling stand the outer surface of at least one defined portion of the tube is detected by measuring technology, linearly by means of an optical laser stripe method and in a clocked manner in the form of profile lines, and the profile lines are then combined to form an at least two-dimensional topography and the topography is evaluated to assess the process state. | 06-20-2013 |
| 20130253692 | Method For Actuating A Tandem Roll Train, Control And/Or Regulating Device For A Tandem Roll Train, Machine-Readable Program Code, Storage Medium And Tandem Roll Train - A method is disclosed for actuating a tandem roll train, in particular a cold-strip tandem roll train, for producing a strip, e.g., a metal strip, wherein a plurality of drives are provided in a production direction of the strip, the speeds of which drives are adapted via cascade control by way of a master drive, wherein a property of the strip is determined and the direction of action of the cascade control is changed depending on said property, by a control factor (K) being provided, by way of which the direction of action of the cascade control is changed, wherein 0≦K≦1, and wherein if 0| 09-26-2013 | |
| 20140129023 | CONTROL METHOD FOR A ROLLING TRAIN - Based on an actual temperature upstream of a roll stand, a predicted temperature is estimated for when strip sections of the strip will roll through the roll stand. The predicted temperature is used to predict material moduli, which is used to control a regulating device that influences a roll gap for the roll stand and to parameterize a roll gap control system. A roll gap profile is predicted based on the predicted temperatures, and is compared with a nominal roll gap profile. A regulating variable that influences a profile of a roll gap is set. The regulating variable is then corrected based on the comparison with the nominal roll gap profile. The predictions are made using a prediction horizon corresponding to a plurality of consecutive sections of the strip. Control is performed for both an operator side and a drive side of the strip. | 05-08-2014 |
| 700149000 | Having schedule adjustment | 1 |
| 20080255699 | Technique for Determining Processing Sequence of Steel Plates - A system for determining a processing sequence of steel plates includes a constraint storage unit for storing positional constraints that define ranges of positions into which each type of steel plate is to be inserted when the steel plates are arranged in the processing sequence; a selecting unit for preferentially selecting, as a position into which a new steel plate is to be inserted in an array of steel plates already arranged in the processing sequence, a position having a larger expectation value of the number of steel plates that can be further inserted into the array of steel plates after the insertion of the new steel plate while satisfying the positional constraints; and an inserting unit for inserting the new steel plate into the selected position and for outputting data indicating the array of steel plates after the insertion. | 10-16-2008 |
| 700150000 | Control or detection of a particular condition | 10 |
| 20140100686 | OPERATING METHOD FOR A ROLLING TRAIN - A control computer for a rolling train is supplied with prescribed stand parameters of a rolling stand of the rolling train. The control computer sets variables describing a rolling pass of the rolling stand that together with initial data of a flat piece to be rolled and the stand data describe the resultant roll nip and the asymmetry thereof. The initial data may be width, average thickness and average strength of the workpiece to be rolled. Based on the initial data, the stand data and the set variables an expected delivery taper and/or an expected strip sabre for the workpiece is determined. At least one of the set variables is manipulated to bring the determined delivery taper close to a desired delivery taper and/or the strip sabre close to a desired strip sabre. The manipulated variables are used to control rolling the workpiece piece. | 04-10-2014 |
| 20150352612 | ENERGY-SAVING CONTROL DEVICE FOR ROLLING LINE - An energy-saving control device for a rolling line, the energy-saving control device capable of finding rolling conditions for minimizing energy consumption for the rolling line while ensuring a quality of a product. The energy-saving control device for a rolling line includes: an energy consumption estimating unit that calculates energy consumption for the rolling line based on rolling conditions for the rolling line; and an energy consumption optimizing unit that changes a rolling condition other than a target temperature of a material to be rolled, as a manipulation item so that the energy consumption calculated by the energy consumption estimating unit is reduced while a quality of a product formed by rolling the material to be rolled is ensured. | 12-10-2015 |
| 700153000 | Temperature control | 5 |
| 20100332015 | METHOD OF OPERATION FOR A COOLING TRACK FOR COOLING A ROLLING PRODUCT, WITH COOLING TO AN END ENTHALPY VALUE UNCOUPLED FROM TEMPERATURE - A control device for a cooling track for cooling a rolling product accepts at least partially characteristic information for a starting enthalpy value. The control device ( | 12-30-2010 |
| 20110208345 | METHOD AND EQUIPMENT FOR FLATNESS CONTROL IN COOLING A STAINLESS STEEL STRIP - The invention relates to a method and equipment for controlling flatness of a stainless steel strip in connection with cooling after annealing in a finishing line. The strip ( | 08-25-2011 |
| 20130030561 | ROLLED MATERIAL COOLING CONTROL APPARATUS, ROLLED MATERIAL COOLING CONTROL METHOD, AND ROLLED MATERIAL COOLING CONTROL PROGRAM - A detail thermal model memory has stored detail thermal models each including a mathematical formula using parameters describing a temperature variation of a rolling material in a prescribed cooling interval, an influence coefficient calculator calculate an influence coefficient as necessary for a control of temperature variation of the rolling material, a simple cooling pattern calculator calculate a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality, strength, or ductility, a detail cooling pattern calculator calculate a detail cooling pattern of the rolling material in the prescribed cooling interval, and a cooling controller takes the detail cooling pattern as a basis to control a cooling of the rolling material. | 01-31-2013 |
| 20130054003 | OPERATING METHOD FOR A PRODUCTION LINE WITH PREDICTION OF THE COMMAND SPEED - A method for a production line for rolling a strip may include: at a time point before a first strip point is fed into the production line, receiving for each of the first strip point, a number of second strip points, and a number of third strip points: (a) an actual value characteristic of an actual energy content and relates to a location in front of the production line and (a) a setpoint value characteristic of a setpoint energy content and relates to a location behind the production line; feeding the third strip points into the production line, followed by the first strip point, followed by the second strip points; prior to feeding the first strip point into the production line, determining a command variable for the first strip point and at least one second strip point based on a determining rule specific to the respective strip point, each command variable being characteristic of a command speed at which the production line is operated when the respective strip point is fed into the production line; wherein the determining rule for determining each respective command variable is determined based at least on (a) the actual value and the setpoint value of the respective strip point currently entering the production line, and (b) the actual value and the setpoint value of at least one strip point that has already entered the production line. | 02-28-2013 |
| 20140088752 | CONTROL METHOD FOR MILL TRAIN - A current temperature is ascertained for sections of a strip ahead of a first mill stand. The temperatures of the strip sections are predicted with a prediction horizon corresponding to multiple strip sections, including when each strip section is milled in the first mill stand for which time a nip profile formed by the working rolls is predicted. A control parameter for milling a specific strip section in the first mill stand is ascertained for controlling a control device of the first mill stand. A manipulated variable curve for the control device, influencing the nip profile of a nip formed by working rolls of the first mill stand, is set for the prediction horizon and optimized for the predicted nip profile and a desired profile. The current value of the optimized manipulated variable curve corresponds to the control parameter which is fed to the control device as the manipulated variable. | 03-27-2014 |
| 700154000 | Flatness or crown control | 1 |
| 20120253502 | Method Of Flatness Control Of A Strip And A Control System Therefor - A method of providing flatness control for rolling a strip in a mill including a plurality of rolls controllable by actuators. The method includes the steps of: receiving flatness measurement data pertaining to a flatness of the strip; determining a flatness error as a difference between a reference flatness of the strip and the flatness measurement data; determining an adjusted flatness error based on the flatness error and weights for actuator position combinations which provide a flatness effect below a threshold value; and utilizing the adjusted flatness error for the control units to control the actuators to thereby control the flatness of the strip. A computer program product and a control system for carrying out the above method are also presented herein. | 10-04-2012 |
| 700155000 | Thickness control | 2 |
| 20150094843 | PERFORMANCE FEED-FORWARD THICKNESS CONTROL METHOD IN TANDEM COLD MILL - The present invention relates to the field of strip cold rolling, and in particular to a thickness control method for strips in a tandem cold mill. A performance feed-forward thickness control method in a tandem cold mill comprises selecting one or more frames as virtual indirect measuring instruments for the strip performance, in which the frame S | 04-02-2015 |
| 700156000 | Roll eccentricity compensation | 1 |
| 20090210085 | Method for Suppressing the Influence of Roll Eccentricities - The invention relates to a method for suppressing the influence of roll eccentricities on the run-out thickness of a rolled stock, which runs through a rolling stand, roll eccentricities being identified by using a process model and taken into consideration in the determination of a correction signal for a at lest one final control element, preferably a final control element for the adjustment position, of the rolling stand, wherein the measured tensile force upstream of the rolling stand is fed to the process model to identify the roll eccentricities. According to the invention, variations in tensile force are fed back in a targeted manner to reduce the effects of periodic roll eccentricities on the rolled stock, whereas all other sources of variation are eliminated. A process model of the rolling nip and the rolls, preferably based on the observer principle, produces reliable data on the roll eccentricity. | 08-20-2009 |
