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JP3890984 |
To provide a wire/rod profile measuring device capable of cooling its photoelectric sensor and assuring a high precision measurement while the construction remains small and simple. The profile measuring device for wire and rod materials...
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JP3892614 |
To provide a method and a device capable of improving the identification accuracy of an abnormal state and providing optimum action guidance to be adopted in order to get rid of the abnormal state in a method of diagnosing the abnormal s...
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JP2006334626 |
To provide a inserting method of a billet into reciprocating mills by which rolling work can be stabilized and in its turn productivity can be improved by automating the inserting operation of the billet into the reciprocating mills.This...
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JP2006337310 |
To provide a method for easily and nondestructively measuring the thickness of an oxide film in a local region or a region of wide area, without requiring evaluation of the weight or the surface area prior to the formation of the oxide f...
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JP2006326647 |
To provide a plate speed meter capable of considerably suppressing the noise caused by purged air, and constantly performing the correct speed measurement even when the speed of a steel plate is high or low while suppressing the consumpt...
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JP3885955 |
To provide a measuring method for meandering by which the amount of meandering of a metal plate is accurately and stably measured even under inferior environment by using an inexpensive and small two-dimensional imaging unit. The method ...
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JP3882302 |
To surely detect a pattern-like scab defect having no projecting and recessed parts by detecting a mirror reflection component, a mirror diffusion reflection component contained in regular reflection light and a mirror diffusion reflecti...
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JP3881457 |
To verify the quality of the welded part of a thin-diameter tube, improve working environment, and reduce working time by providing a chip collection case, a vacuum pump, a suction duct, circular saw blade with a drive motor, a tube inse...
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JP3881506 |
To most accurately and promptly detect any fault occurred due to roll, identifying the roll caused such a fault. If a dust 5 or the like adheres to the surface of a roll 3, a fault 4 is periodically generated on a web-shaped body 1 along...
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JP2006312183 |
To provide a highly reliable melting prevention device, and a melting prevention method.The melting prevention device is used for preventing the melting of the roll 2 constituting a dry temper rolling facility. The device is provided wit...
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JP3876758 |
To solve the problem that dimensions and a shape could not be controlled by the conventional proximity type distance sensor since a hot H-steel is greatly bent and warped. The H-steel 70 is measured by four light wave range finders 40, 4...
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JP2006297480 |
To accurately predict the amount of scale-off in hot rolling of steel strips.The amount of the scale-off is calculated by subtracting the weight of a crop-cut portion of a sheet bar before finish rolling and the weight of a coil after ro...
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JP3873505 |
To present guidance for exactly adjusting roll position by a simple system. Two parts where are symmetrical to the center line in the axial direction of roll in a roll caliber are decided as a detecting position P2, each reference profil...
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JP2006297457 |
To provide a method for measuring the outside diameter of a seamless steel tube capable of obtaining the highly reliable measurement value even when the temperature at the measurement is changed.In the method for measuring the outside di...
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JP3870313 |
To defect-mark a harmful defect so as to be capable of being discriminated surely and easily irrespective of whether or not an oil such as a rust preventive oil or the like is stuck to the surface of a steel plate, without generating a f...
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JP2006292486 |
To provide a quality control method for a hot steel material with the accuracy of quality control enhanced by comprehending precise temperature while excluding temperature measurement error at an end of the steel material.This quality co...
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JP2006281260 |
To provide a rolling control method for a mandrel mill by which a tube having high dimensional accuracy is manufactured and rolling trouble can be suppressed.In the rolling control method for the mandrel mill, an ultrasonic thickness met...
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JP2006281286 |
To provide a method for determining a shape of a rolled material on a sizing press outlet side in a hot rolling line capable of rapidly detecting the twist of the rolled material on the sizing press outlet side with excellent accuracy wh...
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JP2006281248 |
To provide a side guide in a coiling device of steel sheet production equipment where a metal strip hardly having coiling tension after shearing by a shearing apparatus can be guided without the generation of the flaws in the edge of the...
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JP2006275944 |
To provide an ultrasonic flaw detecting/inspection system for efficiently implementing ultrasonic flaw detection/inspection and reducing a stock of steel plates in which the ultrasonic flaw detection/inspection are finished.After an ultr...
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JP2006272386 |
To provide a thickness control method of a deformed steel plate capable of improving the thickness accuracy of a deformed steel plate, in particular, the deformed steel plate having parallel parts on both ends thereof, for example, a uni...
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JP2006272341 |
To provide a vibration pen for a marking apparatus, which vibration pen can reduce the size of the marking apparatus, and also can perform the marking operation of character information at a high speed, and further can perform the markin...
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JP2006275972 |
To provide a method for inspecting a surface of a strip-shaped object, which improves resolution along a flow direction in a low speed condition, by setting a scanning speed of reflection light scanned by an imaging apparatus in accordan...
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JP2006272446 |
To provide a method for detecting decentration of upper and lower back-up rolls capable of detecting the decentration of the upper and lower back-up rolls separately for the upper and lower back-up rolls with high accuracy, and a thickne...
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JP2006272490 |
To eliminate an effect on a surface defect meter by improving a method for applying oil to a trimmer knife.A slight amount of oil is surely applied by displacing a flat brush 14 communicating to an oil container 11 so that the tip of the...
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JP2006275613 |
To provide a metal strip tension measurement method for surely finding an accurate tension value on a rolled metal strip.A steel strip 11 is cut off in a direction orthogonal to its rolling direction to mount tools 21a and 21b on cut bot...
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JP2006263796 |
To provide a method for automatically detecting an external surface defect (outside diameter dimple) of a tubular material in production equipment in which a sizer is installed downstream of an elongator.The method for detecting the exte...
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JP3858147 |
To provide a method and a device for manufacturing marked metallic bands by which marking which is suitable to the working method, design or the like on the side of users to the defect of a metallic band is performed. In the manufacturin...
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JP3858792 |
To precisely detect the shape of a bead from data on the shape of a seam welded pipe by an optical cutting method. The coordinates of a temporary bead vertex are calculated by a prescribed enumeration formula from a profile of the seam w...
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JP3857638 |
To shorten a time required for a casting-molding cycle when casting-molding a cylinder sleeve by a centrifugal casting method. In a process for manufacturing the cylinder sleeve by the centrifugal casting method, compressed air is inject...
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JP2006247724 |
To provide a method and a device for detecting the bend of a tube stock without causing any trouble in the operation and without overlooking the bend to be the problem.A bend detector 100 to implement the method for detecting the bend of...
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JP2006241578 |
To eliminate a line trouble caused by harmful defect, without beforehand cutting the harmful defect portion.In a process line for performing various kinds of treatments containing an annealing treatment, a plating treatment or a temper r...
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JP2006234540 |
To provide an H-section steel shape measuring method for measuring the lengthwise shape (a bend or camber) of an H-section steel while it is traveling on a rolling line.The H-section steel 10 on the move is measured over a prescribed cal...
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JP2006234571 |
To provide a method and a device for measuring accurately the product height, and counting accurately the number of steel sheets.This device is equipped with a linear sensor 3 for detecting the lower end position of products formed by pi...
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JP2006234771 |
To provide a method of inspecting the surface defects of a metal roll capable of correctly detecting the dirt or flaw of surface of the roll without needing a memory of a large capacity or a TV camera with a deep focus depth.The rolling ...
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JP2006224119 |
To provide a rolling method by a cold tandem mill for stably preventing the rupture of a sheet caused by an edge crack without investing in equipment.In the rolling method by the cold tandem mill in a cold rolling process where a rolled ...
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JP3845352 |
To provide a method and a device for correcting and winding the meandering of a metallic strip. In a processing apparatus of the metallic strip, by imparting inclining function to a deflector pinch roll just before winding machines on th...
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JP3845295 |
To provide manufacturing process operational data which are considered to affect generation of flaws in a product when flaws of various kinds of generation factors are included in the manufacturing process of steel plates. The quality di...
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JP3845255 |
To measure with high accuracy, using an inline measuring device, a rectangular profile section of rolled material which is metal such as a steel bar or a steel wire, after rolled with a three roll mill. The rectangular profile section of...
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JP2006218505 |
To provide a metallic strip with marking capable of detecting any abnormal part which is not actualized in each step to the final consumption after the hot rolling, marking any harmful portion in each step including a final step and in a...
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JP2006220526 |
To provide a surface layer part property measuring method for accurately detecting/discriminating defects doing harm after processes from inspection onward (after rolling and plating processes, for example), a surface layer defect determ...
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JP2006218504 |
To provide a method of manufacturing a metallic strip by which, when a metallic strip is diverted to other uses than the intended use by degradation because it is insufficient in quality though it is intended to be manufactured for a spe...
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JP2006218484 |
To provide a method for producing a metallic member by which the occurrence of surface flaws in a core material can be suppressed.In the method for producing the metallic member by which the core material is worked into the metallic memb...
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JP2006220527 |
To provide a manufacturing method of a metal strip, capable of enhancing surface flaw quality using an inspection method for inspecting the surface flaws on the metal strip with high accuracy, and to provide the metal strip with marking ...
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JP2006212645 |
To perform the inspection and change of a plug on-line and as necessary and to prevent the degradation in the efficiency of operation even when the frequency of plug changing is increased.In this bar circulation type equipment for circul...
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JP2006208269 |
To provide an apparatus for detecting shapes which can prevent a rotor from tilting, even in the case the width of an edge of a rolling plate acting on a spinning rotor is narrow, prevent the spinning rotor from tilting even when the wid...
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JP2006205211 |
To prevent a precise line from being stopped for a long time in advance by the breakage of a work by correctly detecting a doubled portion in the precise line.In this detection method, it is determined that doubling is present if the out...
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JP2006208347 |
To provide a defect detection method and detector capable of detecting, for example, microdefects caused on a reduction roll circumferential surface in inspection, so that a steel sheet (rolled material) of good surface quality can be pr...
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JP2006198649 |
To determine whether or not a cast slab can be transported to a hot rolling process in an HCR process according to the existence or absence of internal crack defects or their amount by quickly detecting the internal crack defects of the ...
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JP2006198661 |
To provide a cold tandem mill and a cold tandem rolling method by which the generation of a heat scratch is prevented without hindering productivity and the generation of the break of a metallic strip is prevented by high-tension rolling...
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