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JP2595191B2 |
PURPOSE: To provide a shape detecting device of which can detect an accurate shape by estimating and correcting the detected error of the shape caused by the deflection of a mandrel etc. CONSTITUTION: In a shape detecting device for dete...
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JP2594372B2 |
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JP2587173B2 |
PURPOSE: To make a plate profile hit on a target value with high accuracy without generating defect in a shape on a strip by deriving deviation between a measured plate profile and a preliminarily required target plate profile meter and ...
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JP2587174B2 |
PURPOSE: To make a plate profile on the outlet side at a final stand hit to a target value with high accuracy without generating defect in the shape of a strip in next rolling time. CONSTITUTION: In a hot strip finishing mill, learning i...
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JP2587171B2 |
PURPOSE: To make the profile of sheet on the outlet side of the final stand to hit the target value with high accuracy without generating defects in shape of a strip. CONSTITUTION: In the installation arrangement of a hot strip finishing...
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JP2587172B2 |
PURPOSE: To make the profile of sheet on the outlet side of the final stand hit the target value with high accuracy without generating defects in shape of a strip by providing a roll profile meter on a rolling stand. CONSTITUTION: In the...
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JPH0957315A |
To provide a method and device for estimating the width of a hot rolled steel strip for drastically reducing the number of generation of cold rolled steel strips having abnormal width without reduction of width yield. A device 7 for esti...
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JPH0921633A |
To easily grasp the whole shape of a roll on-line and grind the roll with a suitable grinding amount on-line, based on the whole shape of the roll. A roll profile is measured wholly in the axial direction of a roll 51 by a roll-grinding ...
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JP2572105B2 |
An oil film bearing for rotatably supporting the journal surface of a rolling mill roll neck (12) on a hydrodynamically maintained oil film. The bearing includes a bushing (18) adapted to interrupt the load carrying continuity of the oil...
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JPH09500449A |
A method and system for measuring a profile of a strip of material produced in a reversing mill in which a direction of travel of the strip is reversible includes a single thickness gauge that measures the thickness of the strip and gene...
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JPH0910807A |
PURPOSE: To exactly measure the shape of a material to be rolled with an optical shape sensor or the like by forming the curtain of coolant with a spray for jetting the coolant and also removing the coolant with the spray. CONSTITUTION: ...
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JPH093617A |
PURPOSE: To provide a shape detecting roll capable of surely preventing sticking of foreign substance under an adverse condition where much foreign substance is generated and apt to be firmly stuck. CONSTITUTION: A shaft 27 of a split ro...
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JP2561994B2 |
PURPOSE: To automatically detect a rolling roller reaching the replacement time due to progress of the deterioration of its surface. CONSTITUTION: The image of the surface of a rolling roller W rotating with roller cooling water being sp...
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JP2520207Y2 |
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JP2519139Y2 |
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JPH08313246A |
PURPOSE: To precisely detect the shape of a rolled sheet by a tension-distribution measuring system. CONSTITUTION: A tension-distribution measuring device 7 which measures the tension distribution in the width direction of a rolled sheet...
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JPH08285562A |
PURPOSE: To obtain an effect of improving detection accuracy and response speed as shape detector by achieving a higher pressure-detection accuracy and higher response-speed at a change in the pressure. CONSTITUTION: This shape detector ...
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JP2545118B2 |
For the continuous measurement of the thrust forces produced by the spinning rolls on the workpiece to be extended while the spinning rolls are rotating a measuring rod is provided, which has its one end fixed coaxially on the spindle wi...
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JP2542467B2 |
PURPOSE: To control the surface roughness of a galvanized sheet applying alloying treatment in the fixed range in skin pass rolling. CONSTITUTION: In a galvanizing line providing a zinc pot 2, alloying furnace 3 and skin pass rolling mil...
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JP2539134B2 |
PURPOSE: To measure the flatness accurately and stably even when the transfer speed or surface temperature changes. CONSTITUTION: A plurality of distance-detecting sensors 14 are arranged at a plurality of front and rear rows and in the ...
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JP2538785B2 |
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JPH08252618A |
PURPOSE: To control edge drop and shape fo a sheet with high accuracy even when roll wear and thermal crown are increased in accordance with the progress of rolling and to remarkably increase the throughput of rolling untill rolls are ch...
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JPH08243624A |
PURPOSE: To provide a device for calculating the amount of thermal expansion of a work roll in a practical time and with high accuracy during rolling operation of hot rolling and for measuring thickness during rolling operation and a met...
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JPH08243617A |
PURPOSE: To carry out good shape control of a rolled stock even when the profile of an intermediate roll is changed by providing an intermediate roll shift setting means for minimizing the difference between a estimated shape of the roll...
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JP2536668B2 |
PURPOSE: To avoid adverse influence of a pass line change or fluctuations of a steel plate by providing a plurality of no-contact type range finder disposed at an equal interval in a plate width direction between adjacent conveyor rolls ...
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JPH08238507A |
To provide a method for controlling a roll gap profile in a strip rolling mill. A stand is calibrated to a regenetable state before the start of rolling. The position change which occurs incidentally to the stand of a screw down device i...
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JPH08238509A |
PURPOSE: To control edge drop without lowering operability with high accuracy at the time of cold-rolling a metallic sheet. CONSTITUTION: At the time of controlling the edge drop of the metallic sheet with a rolling mill consisting of pl...
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JPH08238515A |
PURPOSE: To estimate the amount of thermal expansion of a roll at practical time and with high accuracy during the operation of hot rolling. CONSTITUTION: The temp. gradient ut(z)i [(z): the coordinate in the direction of the roll axis, ...
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JPH08229639A |
To obtain a method and device for rapidly and continuously determining a roll gap during shaping of products. This device has two rolls 10 and 11 which are held by bearings 13 and 14 at a frame 16, a means 22 which measures the position ...
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JPH08224604A |
To prevent the press fitting of scale adhered on a steel strip into the steel strip during rolling and to satisfy the requirement for the highest quality free of surface damage by completely removing the scale in a process by chemical an...
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JPH08215728A |
PURPOSE: To provide a method and device for control the edge drop of a metallic strip capable of improving the edge drop to the maximum without generating any breakage or edge crack of the metallic strip. CONSTITUTION: An edge drop contr...
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JP2526457B2 |
PURPOSE: To obtain an accurate measurement by reducing a dead zone in the computation of distortions concerning a steel plank flatness meter which is used in processes of scan inspection, cold correction and the like in a steel plank pro...
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JPH08192212A |
PURPOSE: To secure the objective sheet crown and stabilize passing through by improving the calculational accuracy of a roll profile when work rolls which are not ground after using them at the previous time are reused. CONSTITUTION: In ...
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JPH08178629A |
PURPOSE: To measure a roll gap with high accuracy before starting rolling after the replacement of the block mill roll by providing a light projector and a light acceptor which radiate a laser beam in parallel with a pass line and receiv...
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JPH08178867A |
PURPOSE: To detect the surface of flat steel immediately after hot rolling on-line. CONSTITUTION: Light sources 22 for irradiating the surface of a flat steel 11 with light at a specific angle is laid out while they are arranged being sh...
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JP2509476B2 |
PURPOSE: To prevent the generation of unevenness in thickness on the whole region of a sheet by opening roll gap before a rolled stock is bitten and after the end of the sheet is passed through and always setting roll gap in the normal p...
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JPH08155525A |
PURPOSE: To eliminate the deflection of a sensor truck and to obviate the generation of height errors between right and left two-dimensional laser distance gages by supporting a truck body via restraining guides along a guide rail fixed ...
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JPH08141612A |
PURPOSE: To surely detect chattering at an early stage without being affected by disturbance noises by varying a filtering frequency band of a filter based on natural vibration in accordance with the operating conditions of a rolling mil...
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JPH08132118A |
PURPOSE: To make it possible to measure the shape of a strip by simultaneously measuring the heights of more than two points which are a point to be measured and other points in the vicinity thereof, calculating the curvature near the po...
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JPH08114425A |
PURPOSE: To provide an optical method to detect the shape of rolled plate by which detection differences due to positional change of a mounted camera for picking up a picture of a bar-type light source projected on a plate material can b...
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JPH08108207A |
PURPOSE: To improve the precision of the thickness of a rolled sheet, sheet crown and shape by learning/calculating the distribution in the axial direction of roll of variation of roll radius using a calculation model of thermal expansio...
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JPH08105725A |
PURPOSE: To provide the calibration method, of an image deformation for a shape measuring apparatus, in which the image deformation can be calibrated precisely in a state that an imaging device has been installed in a shape measuring pos...
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JPH0894463A |
PURPOSE: To measure a tension being applied to a band metal accurately by disposing a slip unit on the lower bottom face at the bearing part of a deflector roll for measuring tension thereby eliminating the effect of the self-weight of d...
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JPH0832335B2 |
A support device for a plurality of reduction rolls (51) in a rolling mill. The reduction rolls (51) are individually supported by support structures (57) within the mill housing (55). Load cells (59) are disposed between one of the supp...
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JPH0829321B2 |
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JPH0882503A |
PURPOSE: To provide a manufacturing method of a shape detection roller which allows forming of a hard to peel very hard lining layer by a spray coating. CONSTITUTION: A plurality of discs 2 each containing a pressure sensor 1 are arrange...
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JPH0825141B2 |
The independent measuring apparatus for grinding machines for cylinders, rollers and the like, according to the invention, consists of a column supported by an independently moveable carriage on a fixed bench of the machine, on which a g...
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JPH0861929A |
PURPOSE: To provide a rolled material shape recognizing device capable of detecting crack on the surface of rolled material, and eliminating the need of periodical maintenance for lighting of the device. CONSTITUTION: The light quantity ...
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JPH0854217A |
PURPOSE: To measure the displacement at a plurality of points with a small number of persons by disposing a light source so that the light emitted from a semiconductor laser is reflected entirely within the field of view of an ITV camera...
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JPH0854303A |
PURPOSE: To automatically compensate effects on result of measurement by difference of abrasion in respective measurement zones by correcting to reduce deviation of measurement in each measurement zone in accordance with the deviation to...
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