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JP2001317932A |
To provide a method and device for detecting the shape of rolled material, which is made to accurately detect the shape of a rolled material by correcting a sheet deviation when the deviation has occurred.In the method, in which the shap...
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JP3228900B2 |
To surely grind parts having a difference in level by abrasion and to improve the yield of products by subtracting the predicted thermal expansion quantity of rolls from measured roll profiles and detecting the parts having the differenc...
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JP3224466B2 |
PURPOSE: To provide a measuring method in which the measuring error of a plate thickness is reduced in the measurement of the plate thickness by a radiation. CONSTITUTION: A radiation source 3 which detects the plate thickness of a steel...
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JP3217843B2 |
PURPOSE: To obtain a method by which at least one of first physical or geometrical characteristics, difficult to be measured, of a product continuously manufactured in the form of a strip, sheet, shape steel, wire, etc., can be detected ...
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JP3214399B2 |
To effectively make nonsymmetric elongation into symmetric elongation, to satisfactorily roll a rolling stock with composite elongation, and to remarkably improve the finished quality of the rolling stock by making the left and right max...
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JP2001249009A |
To provide a shape detector for metal band plate capable of accurately detecting the position of a running metal band plate and exactly measuring the shape of the metal band plate without scraching the metal band plate.On a shape meter 1...
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JP3199975B2 |
PURPOSE: To execute efficient maintenance by providing a calculating part for estimating the coefficient of capacity based on a temp. drop at every bank and a diagnosing part for diagnosing the cooling capacity of cooling equipment from ...
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JP2001219209A |
To obtain products excellent in the shape of a sheet over the entire width by performing correction to thermal crown which is varied during rolling relating to a hot-rolling method and rolling mill.Plural shape sensors 12 and heaters 11 ...
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JP3198539B2 |
PURPOSE: To perform stable adjustment with no dispersion. CONSTITUTION: The displacement quantity is detected by the phase-modulated signal changed in conjunction with the relative movement between detecting heads 1b, 1c and a scale 1a. ...
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JP2001212605A |
To contrive a calibration method for a universal mill.This is the calibration method for the universal mill comprising horizontal rolls 1, 2 and vertical rolls 3, 4 to obtain reference position for the following rolling process. The holi...
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JP2001205306A |
To create a rolling method for shapes and the universal roll stand corresponding to this method by which the shapes are better rolled, especially, with comparatively small tolerance. Horizontal rolls 2 and 3 are screwed down to a horizon...
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JP2001201333A |
To detect the width direction camber of a strip conveyed continuously by a simple and inexpensive means. Ultrasonic waves are transmitted toward the lower face of a steel band 1 from probes 3a arranged along the steel band width directio...
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JP3169405B2 |
The invention relates to a roll stand with roll adjusting devices for the top roll and for the bottom roll and with displacement sensors for detecting the adjustment position of the top roll for a linked computer. For this purpose, stop ...
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JP2001105025A |
To enable an accurate control, adjustment and measurement in rolling work by removing disturbance stress which is inevitably generated when a belt-like body (plate-like body) having uneven thickness is rolled and measuring accurate tensi...
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JP2001079607A |
To achieve good flatness even in case of a comparatively wide metallic belt by controlling the camber line of a work roll in relation to an adjusted rolling gap during adjusting of a rolling gap each time or just after adjusting. During ...
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JP2001071013A |
To avoid the deviation from a target thickness and/or a target length of respective strip sections at a prescribed final temp. by conducting compensation for a temp. effect acting to the metal strip in rolling. Roll gap adjustment is con...
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JP3142187B2 |
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JP3142188B2 |
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JP2000337868A |
To obtain a measuring roller which is used suitably at a high strip temperature by arranging a measuring sensor inside a recess at a prescribed distance from a wall and providing a cooling duct which is opened in the region of the measur...
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JP2000312908A |
To obtain a small-quantity, module type carrying frame consisting of exchangeable component members which can be manufactured at small manufacturing costs, by composing it of box element having inlet-side passage and outlet-side passage,...
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JP3106375B2 |
PURPOSE: To provide a small-sized device which can withstand a strong bending moment and measure stress distribution in a noiseless state by providing housing cavities in the peripheral zone of a deflection measuring roller and a frictio...
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JP2000301222A |
To approximate the shape after the rolling to the target shape in a short time by driving a work roll bender and an intermediate roll bender when the difference in shape is not less than the specified value, and driving only an intermedi...
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JP3105401B2 |
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JP3102344B2 |
To highly accurately manage a winding angle by measuring differences in level between a sensing roll and front and rear line rolls with a level gage provided with a micrometer head respectively and managing the winding angle on the basis...
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JP2000288615A |
To provide a device and method for controlling flatness at the time of reverse rolling for accurately estimating the wear and heat crown of a rolling roll and with which the results can be reflected in a sheet crown predicting model. Thi...
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JP2000266527A |
To automatically obtain measurements matching the operation results of flatness F performed by an inspector using a metal measure. Flatness F of a metal plate 17 mounted on a surface plate 14 is operated based on the output from a detect...
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JP2000266530A |
To prevent the generation of measurement noise due to interference with roll coolant while saving the quantity of fluid being jetted. Roll profile is measured on-line while varying the liquid jet flow rate depending on the rotational spe...
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JP3080484B2 |
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JP2000227303A |
To lower cost by simplifying structure and facilitate adjusting and positioning. By connecting in series each end of two reception coils 22A and 22B arranged at both ends of a metal strip 10 in the direction which the outputs of both coi...
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JP3069001B2 |
PURPOSE: To provide a method for controlling feedback by separating the error of the plastic deformation of a plate, which is the largest factor of the predicted error of plate crown and shape in plate rolling, and the error of the chang...
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JP3055279B2 |
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JP2000167613A |
To provide a sheet rolling mill with which the influence of thermal crown of a work roll is removed simply and effectively during rolling and sheet shape controlling method.This sheet rolling mill 10 has the mechanism in which, in at lea...
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JP2000158021A |
To detect with high accuracy an amount of wear of an actual roll.When a shape of a roll under rolling is measured by an on-line roll profile meter equipped with a probe travelling in parallel with the roll in the direction of the roll ax...
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JP2000158044A |
To surely detect the generation of chattering with simple composition by detecting the generation of the chattering in the case where the component of a waveform is over the preset reference value in both acoustic waveform observed in th...
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JP3046676B2 |
PURPOSE: To measure the tension of a web regardless of a wrap angle by minimizing the influence of the wrap angle on a roller of the running web by the use of the roller adjacent to a coiler and a load cell combined to it. CONSTITUTION: ...
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JP2000135506A |
To accurately correct plate crown and plate shape by measuring the plate crown before the i-th pass and plate crown after the i-th pass and flatness to collect rolling data, calculating the plate crown after the pass with a plate crown m...
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JP3031529B2 |
PURPOSE: To provide a method and an apparatus for measuring sectional size of H section while two laser distance sensors facing each other in the vertical direction are reciprocated in the horizontal direction. CONSTITUTION: When upper a...
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JP2000088564A |
To provide a flatness measuring roller being used at the time of rolling a metal strip in which practical lifetime is enhanced and/or hot rolling is permitted or the surface of a strip can be affected when it is appropriate. A measuring ...
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JP2000088814A |
To protect an inspection coil system from a heating action caused by inspected steel to improve detection sensitivity as to a location and a laying length of a defect portion contained in an inspected material. An inspection coil system ...
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JP2000061520A |
To provide a device for controlling flatness of hot rolling mill capable of controlling flatness with high acuracy even when a rolling stock is out of the center of sheet width. A sheet width measuring instrument 10 capable of measuring ...
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JP3010398B2 |
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JP2000042613A |
To provide a method and a device capable of detecting and deciding the center of a stand and a roll down position in a roll stand with a correct value and moreover in a short time. This device is provided with spacers 10, 11; 12, 13 whic...
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JP2991932B2 |
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JP2989099B2 |
PURPOSE: To easily estimate a flattening amount between rolls and to compute it with high accuracy by a method wherein the contact load between rolls is calculated while it is divided into the term of an optimum approximate roll curve an...
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JP2987744B2 |
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JPH11513937A |
A shape detection device is incorporated as part of a hot strip reversing mill. The shape detection device is a shape detector roll adapted to contact the metal strip. The shape detector roll is used to provide data to an automated shape...
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JP2982645B2 |
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JP2984187B2 |
PURPOSE: To provide a method capable of improving reliability of the measurement and of stably and correctly measuring a forward slip in a noncontact plate speed meter. CONSTITUTION: A plate speed is measured by arranging a noncontact pl...
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JP2981051B2 |
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JP2978061B2 |
PURPOSE: To exactly recognize a contact region between rolls at the time of rolling with high accuracy by assuming the contact region between rolls at the time of rolling, calculating only flattening amounts at end points in the axial di...
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