| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 072700100 | Including use of sensor responsive to information carried by removable auxiliary record (e.g., recording disk, tape, or card) | 16 |
| 20110030432 | ANALYTICAL METHOD FOR USE IN OPTIMIZING DIMENSIONAL QUALITY IN HOT AND COLD ROLLLING MILLS - A device and method for prediction and/or control of the profile and/or shape of rolled metal strip. The device and method are compatible with both cluster-type and non cluster-type mills. The device and method employ a customized deflection model of the rolling mill, thereby combining the advantages of well-known finite element method with other relevant methods to allow real-time operation of the rolling mill without the computational complexities of such methods. In one form, the customized deflection model helps to obtain a compact, linear, and flexible analytical model with non-iterative solution, multiple continuous elastic foundations, third-order displacement fields, simple stress-field determination, and capability to compute dynamic deflection characteristics. | 02-10-2011 |
| 20110120202 | METHOD AND APPARATUS FOR SUPPRESSION OF OSCILLATIONS IN A ROLLING INSTALLATION - A method and an apparatus for suppression of oscillations in a rolling installation is described. By means of a hydraulic roller engagement third-octave oscillations are effectively suppressed, thus making it possible to improve the quality of the rolled material and/or the productivity of the rolling installation. A manipulated variable is supplied to an electrohydraulic actuating element that acts on at least one hydraulic actuator for the roller engagement and has a rated flow rate of ≧50 l/min. At least a portion of the frequency response at frequencies f≧80 Hz has a magnitude drop of ≦3 dB, and the phase lag φ in this frequency range satisfies the conditions f≧19·{square root over (φ)}+3.1·10 | 05-26-2011 |
| 20110126603 | APPARATUS AND METHOD TO CRADLE AND HEM PANELS AT AN ASSEMBLY-LINE STATION - An apparatus and method to cradle and hem panels at an assembly-line station. A cradle assembly is configured to conform to the shape of a first sheet material and prevents deformation of the class-a surfaces. A first robotic arm operatively associated with said cradle assembly and a slide-assist assembly cooperate to stabilize the cradle and secure a cradle anvil against the first sheet material. A roller head for hemming said first sheet material supported on a second robotic arm. The second robotic arm moves the roller head around the periphery of the first sheet material and against the cradle anvil to form a hem. | 06-02-2011 |
| 20110247380 | DEVICE AND METHOD FOR LATERAL GUIDANCE OF A ROLLED STRIP TRANSPORTED ON A ROLLER BED - The invention relates to a device for lateral guidance of a rolled strip transported on a roller bed, particularly a hot rolled strip in front of a winding device ( | 10-13-2011 |
| 20110283760 | METHOD OF SUPPLYING LUBRICATING OIL IN COLD-ROLLING - A method of supplying lubricating oil in cold-rolling by emulsion lubrication, characterized by comprising:
| 11-24-2011 |
| 20110289993 | METHOD FOR ADJUSTING A DISCHARGE THICKNESS OF ROLLING STOCK THAT PASSES THROUGH A MULTI-STAND MILL TRAIN, CONTROL AND/OR REGULATION DEVICE AND ROLLING MILL - In a rolling mill, an open-loop and/or closed-loop control device and a method for adjusting a discharge thickness of rolling stock which passes through a multi-stand mill train, wherein a first section of the rolling stock is rolled to a first discharge thickness, a second section of the rolling stock is rolled to a second discharge thickness which is different from the first discharge thickness. Because a transition from the first discharge thickness to the second discharge thickness takes place at a feed rate of the rolling stock into the mill train which is adjusted as a function of a discharge rate of the rolling stock of a unit which is arranged upstream of the mill train in the direction of mass flow, a method can be made available which runs essentially without reactions for units which are arranged upstream of the mill train in the direction of mass flow. | 12-01-2011 |
| 20130213103 | CONTROL APPARATUS OF ROLLING MILL - A control apparatus of a rolling mill includes a load top/bottom distributor distributing loads as top and bottom side loads, a load top/bottom variation identification mechanism identifying load variation components occurring in connection with a rotational position of rolls from the top and bottom side loads, and top/bottom identified load variation storage storing, for each rotational position of rolls, top and bottom side variation components of the load in a kiss-roll condition identified by the load top/bottom variation identification mechanism. A manipulated variable computer computes a roll gap instruction value based on the top and bottom side variation components of the rolling load identified by the load top/bottom variation identification mechanism, and the top side variation component and the bottom side variation component of the load in a kiss-roll condition stored in the top/bottom identified load variation storage. | 08-22-2013 |
| 072700200 | Including plural sensors or sensor responsive to comparison between plural conditions | 9 |
| 20100005844 | CONTROLLING ARRANGEMENT FOR A ROLLING STAND AND ITEMS CORRESPONDING THERETO - A regulation device ( | 01-14-2010 |
| 20110179842 | SYSTEM FOR COLD ROLL FORMING PROFILES HAVING VARIABLE CROSS-SECTIONS - The invention relates to a system for cold roll forming profiles having variable cross-sections, with several roll stands arranged in a row, each containing a pair of rollers, between which a sheet-metal strip ( | 07-28-2011 |
| 20110283761 | METHOD OF SUPPLYING LUBRICATING OIL IN COLD-ROLLING - A method of supplying lubricating oil in cold-rolling by emulsion lubrication, characterized by comprising:
| 11-24-2011 |
| 20130276496 | Method For Reducing The Energy Consumption Of A Rolling Mill Installation, Control And/Or Regulation Device For A Rolling Mill Installation, Machine-Readable Program Code, Storage Medium And A Rolling Mill Installation - A method is disclosed for reducing the energy consumption of a rolling-mill installation including a one-piece or multi-piece rolling train as well as further electrical installation components which are connected to the rolling train in terms of process technology, wherein the operation of the rolling train is stopped during an unplanned rolling pause on account of a failure, and at least one of the further installation components is automatically powered down into an energy-saving mode during the rolling pause, and wherein the type of fault is identified and the likely duration of the rolling pause is determined on the basis of the type of fault. | 10-24-2013 |
| 072700400 | Sensing work or product (e.g., by X-ray) | 5 |
| 20090120149 | Methods and Apparatus for Monitoring and Conditioning Strip Material - Methods and an apparatus for monitoring and conditioning strip material are disclosed. A disclosed example apparatus includes a plurality of sensors positioned across a width of a strip material, each of the plurality of sensors corresponding to a different one of a plurality of longitudinal zones along the width of the strip material. The example apparatus also includes a material condition monitor to determine a plurality of wave heights of the strip material based on information received from the plurality of sensors. Each of the wave heights corresponds to a respective one of the plurality of longitudinal zones. The material condition monitor is also to determine whether a measured portion of the strip material is substantially flat based on a comparison of each of the wave heights to a threshold value. When the strip material is not substantially flat, the material condition monitor is to perform a plurality of zone-to-zone comparisons by comparing at least some of the wave heights to each other and generating a first signal to condition a first one of the plurality of zones of the strip material based on at least one of the zone-to-zone comparisons. | 05-14-2009 |
| 20100018270 | METHOD FOR CONTROLLING MATERIALS QUALITY IN ROLLING, FORGING, OR LEVELING PROCESS - This invention matches the material quality of a product to target data, even when a materials quality model is insufficient in prediction accuracy. Heating a metallic material, rolling, forging, or leveling the metallic material, and cooling the metallic material are each conducted at least once. Prior to manufacture of a metallic product of a desired size and shape, qualitative data of the metallic material are measured at a position by a materials quality sensor in a manufacturing line, and modifications based on measured data are made to heating, processing, or cooling conditions in at least one of the steps, upstream of the materials measured data sensor so that the quality of the metallic material at the measuring position agrees with target data. | 01-28-2010 |
| 20100037668 | METHOD AND SYSTEM FOR MAKING A WINDOW WELL - A method and system for making a window well having a station with a first well area and a second well area, a conveyor to transport a first blank to the first well area, and a transport conveyor that transports a second blank to the second well area based on a signal from a sensor. | 02-18-2010 |
| 20120324971 | MILL CONTROL SYSTEM AND METHOD FOR CONTROL OF METAL STRIP ROLLING - Mill control system and method for metal strip rolling controlled in response to a sequence of controller scans are provided. A sensor suite is coupled to sense a plurality of parameters regarding the strip rolling. A model responsive to the sensed parameters is configured to estimate per scan at least one matrix based on the sensed parameters and indicative of state conditions of the strip rolling. A controller includes an inner control loop configured to effect a control law to generate a control vector per scan. The inner control loop may be configured to have dynamic characteristics, which remain substantially the same for each scan of the controller. The dynamic characteristics of the inner control loop are effective to determine a pointwise online control solution based on the matrix indicative of the state conditions of the strip rolling, without having to compute a Riccati control solution per scan. | 12-27-2012 |
| 072700600 | Sensing cross sectional dimension | 1 |
| 20100326154 | REGULATION METHOD FOR A COLD-ROLLING MILL TRAIN WITH COMPLETE MASS FLOW REGULATION - A cold-rolling train has a plurality of rolling stands and a strip feeding device to which an initial setpoint speed is sent to feed the cold strip to the first stand at an initial actual speed corresponding to the initial setpoint speed. A first setpoint speed is sent to the first stand so that associated rolls rotate. Between the first and next passed-through rolling stand is a thickness detection device detecting a first actual thickness. A base output signal is determined using the first actual and setpoint thicknesses and is used to adjust the first setpoint speed, but not the initial setpoint speed, conforming the first actual to the first setpoint thickness. Between the feeding device and the first rolling stand is an initial thickness detection device detecting an initial actual thickness. The initial setpoint speed is adjusted by a initial feed-forward controller to adjusted a setpoint product mass flow. | 12-30-2010 |
