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JP3498195B2 |
To efficiently execute shape control with using a skin pass and a tension leveler with taking into account the shape correcting effect of the tension leveler. A shape measuring device 20 is arranged toward the back of a tension leveler 3...
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JP2004042138A |
To provide a method and a device by which the three-dimensional variation of the eccentricity of a hollow block along the ordinate of the hollow block is detected and especially the degree of the eccentricity which is actually properly u...
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JP3495909B2 |
To minimize the influence of the change in thermal crown. The distribution of roll diameters in the axial direction of rolls of a rolling mill is controlled with this device. In such a case, a means 13 for measuring or predicting the rol...
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JP2004037460A |
To provide a method and a device for indicating the actually useful degree of the eccentricity by detecting the three dimensional eccentricity of a hollow block along the vertical coordinates of the hollow block at the entrance of a roll...
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JP2004034147A |
To dispense with electric connection in adverse environment nearby a rolling mill and to surely detect abnormal rotation even at high-speed rotation.In a system for judging the rotational state of the rolling mill, this system is provide...
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JP2004020469A |
To obtain a surface form measuring method wherein a surface form in which restoration error is reduced can be measured in all parts of an object to be measured.This is a surface form measuring method in which distance sensors 11-15 for m...
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JP2004003601A |
To prevent the disconnection of a harness 41 and a cable 46 while facilitating the replacement work of component which is installed on a support section of rotation.Four row tapered roller bearing 15 is incorporated between an inner peri...
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JP3480639B2 |
To provide a roll profile meter capable of measuring a roll profile more accurately than heretofore by utilizing a reference wire as a reference line for measurement of the roll profile without increasing the number of ultrasonic sensors...
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JP2003285135A |
To improve a product quality and extend the life of a tool by attempting proper processing condition by more accurately grasping the load when form-rolling a screw.More accurate load for form-rolling the screw can be obtained by measurin...
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JP3444384B2 |
PURPOSE: To provide a fixed shaft shape gauge permitting the use of a small and inexpensive converter by pressing the bearing inner ring of a fixed shaft to a block having horizontal and vertical flexible members bent only in one degree ...
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JP3436612B2 |
PURPOSE: To surely prevent the occurrence of a flaw on the surface of a shape detection roll and the attachment of foreign matter to the surface. CONSTITUTION: The reverse system cold rolling equipment 19 for a strip metal includes suppl...
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JP3432381B2 |
To control the plate crown and flatness of a rolled stock to a desired value in a continuous casting machine. The calculated plate crown value is added to the value obtained by multiplying the transfer ratio to the deviation between the ...
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JP3424705B2 |
PURPOSE: To prevent the occurrence of a flaw on a strip and the seizure of a sensor roll by equipping with a shape sensor roll with large rotation resistance, and making it possible to rotate this shape sensor roll at a desired high spee...
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JP3425144B2 |
The present invention provides an apparatus for measuring flatness of a hot rolled strip based on a contact load of the hot rolled strip to split rolls of a looper in the hot rolling process. The split rolls are assembled in a bracket su...
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JP3392222B2 |
PURPOSE: To provide an apparatus for measuring tension of metallic strip such as steel band, etc. CONSTITUTION: Two deflector rolls 2, 3 for guiding a metallic strip 1, a sensing roll 4 arranged between the deflector rolls 2 and 3 and fr...
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JP2003083352A |
To attain improvement of accuracy in detection of abnormality in a rotational support part and attain facilitation of replacement work of parts provided in this rotational support part.Four-row cylinder roller bearings 6 are assembled be...
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JP3386663B2 |
To simplify the structure by applying the load of plural standard weights, to a loads detector, by a lever which is moved rectangulalty to a bar in a core length direction of a detecting roll and forms a lever by using the standard weigh...
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JP3388105B2 |
To provide a method for adjusting the zero point of screwdown location suitable to a 2-stage horizontal rolling mill the reduction fastening force of which is small or with which kiss-roll is impossible and device therefor. Hydraulic jac...
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JP3367401B2 |
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JP3361681B2 |
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JP3358708B2 |
To provide a device for detecting warping of steel plate, wherein the amount of warping of steel plate is detected with a simple configuration and with sure. A plurality of sensors for detecting fact of passage of a steel plate 1 are pro...
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JP3354792B2 |
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JP3348826B2 |
To enhance the accuracy and rapidity of changing of batch rolling in the case endless rolling is not executable and to attain the target designed size of products by previously setting both conditions of the endless rolling (continuous f...
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JP2002331305A |
To forecast at least either cross sectional shape or plate shape of the material to be rolled after rolling by handling changes in shape of the rolling mill three-dimensionally in the rolling using rolling roll.Making a material conditio...
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JP3338015B2 |
To accurately detect the shape of a rolled plate of aluminum or the like without any influence of a coolant flowing out of a rolling stand. In this method of optically detecting the shape of the rolled plate 1 during rolling according to...
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JP3334085B2 |
PURPOSE: To reduce and remove unnecessary generated force and moment at a low cost by bringing a cover for covering the outer surface of a force sensor into contact with the surface of a band plate to be detected, and displacing the band...
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JP3330027B2 |
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JP3327236B2 |
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JP2002527248A |
Method for producing a metal strip, in which the risk of the strip breaking is reduced in a path in which the strip is conveyed under stress in the strip direction, in which method, in a prior feed path of the metal strip, any defects wh...
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JP2002224722A |
To prolong the life span of bearings and components by preventing roll bearings from being suffered from overload in a method for controlling or adjusting rolling process of a rolled product 1 and a device therefor in the rolling line of...
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JP2002224727A |
To improve a shape controlling method of s metal strip for multiple slitting.Shape distribution of a metal strip is measured by a multiple ring-contact-type shape meter, width and snaking of the metal strip is measured by a width sensor,...
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JP3304796B2 |
To provide a versatile shape control method for plate rolling capable of simultaneously and optimally controlling all shape control mechanisms and moreover easily setting the manipulated variable of a controller difficult to reach an ope...
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JP3301393B2 |
To control the shape of a sheet with high accuracy with a multiple rolling mill in which intermediate rolls are unconventionally provided between work rolls and back-up rolls. At the time of controlling the shape of the sheet of a materi...
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JP3302914B2 |
To accurately perdict the shape change during air-cooling a steel sheet, shape change by placing method or shape change after cutting and to prevent the generation of the defects in shape by adding the action of flatness of the steel she...
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JP3301701B2 |
To provide an on-line roll profile measuring device without being affected by errors based on the change of rolling conditions. A roll grinder unit 5 is situated facing a rolling roll 1a and composed of a rotary grindstone 20 for grindin...
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JP3300202B2 |
PURPOSE: To provide a control method of rolling force in temper rolling of a steel strip by which cross buckle is controlled with higher accuracy than a conventional method and in real time. CONSTITUTION: On-line roughness gages 4, 5 are...
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JP3298465B2 |
To provide a preventing method of sheet camber by which the sheet camber generated in the hot rolling of a thick plate and hot strip is effectively prevented. This method is a method for preventing the generation of the sheet camber in r...
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JP2002178014A |
To reduce the error of predicted sheet crown which is caused by the prediction error of a predicted roll profile.In a thickness control method in a rolling mill in which the thickness is controlled by predicting the sheet crown CH2 using...
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JP2002153909A |
To provide a method for measuring and/or controlling flatness when a strip is rolled.In the method for measuring and/or controlling the flatness of the strip when rolling is performed, this method has a step for detecting a measured valu...
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JP2002120006A |
To provide the hot-rolling method of an aluminum plate by which a plate profile is properly controlled so that the abnormality of ruggedness is not generated on the aluminum plate in the hot rolling of the aluminum plate and the device f...
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JP3269561B2 |
A roller is rotatably mounted about its axis and comprises a hollow, cylindrical roll face, a ring and two hollow shafts. The roller is provided with a force measuring fiber optical device which uses the double refraction in an optical f...
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JP2002071342A |
To reduce the operation cost and weight of a shape-measuring device which measures the flatness of a metal strip and to enable arrangement on many cold rolling mills for which the conventional has a deficiency in space.This shape-measuri...
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JP2002071328A |
To provide a method which realizes high measurement accuracy by using an optical measuring constitution having practical dimensions, and to provide the optical measuring constitution which executes the method.A measuring method contains ...
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JP3263199B2 |
PURPOSE: To embody an objective sheet crown and stably obtain a sheet having a good shape. CONSTITUTION: At the time of executing finish rolling using tandem mill having actuators for controlling sheet crown and shape, the shape change o...
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JP2002018507A |
To solve such a problem that angle detecters must be also detached when changing back-up rolls.The period and amplitude of the wave of roll eccentricity are calculated by measuring rolling load, detecting the rotational angles of work ro...
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JP2002502315A |
The invention relates to a method and a device for detecting the actual state of a hot tube, wherein wall thickness, diameter, temperature and discharge speed from a sizing and stretch reduction rolling mill pertaining to a tube rolling ...
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JP2002005156A |
To improve method and device of monitoring a bearing device 1 having at least one bearing 2 in a housing 3 of a roller journal bearing of a roller 10 in a continuous casting facility 12 so as to timely start maintaining work or modifying...
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JP2001353508A |
To perform improvement so that maintenance work or repair work of a bearing device can be started at any time in the monitoring method of the bearing device 1 provided with at least one bearing 2, 3, 4, 5 in the mounting member (housing)...
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JP2001347318A |
To provide a plate width adjusting device and a plate width adjusting method for improving the yield of products.The plate width adjusting device 1 is installed on the production line of a strip 53 and adjusts the strip 53 to a prescribe...
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JP2001343223A |
To provide a quality management method, a quality management apparatus, a camber restriction method, a rolling apparatus and a trimming apparatus for strip-shaped objects whereby a quality of strip-shaped objects can be measured by using...
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