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JP3503624 |
To prevent the breaking accident in a joined part by excessive tension when the tip of a hot-rolled steel strip is wound around the mandrel of a coiler in endless hot rolling. A joined point is transferred with a tracking device 30, the ...
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JP3503724 |
To obtain a cold drawn wire which is free of degradation in quality by providing another die for finishing wire drawing after a die for finishing drawing and an eddy current test equipment, and changing the reduction rate of area of the ...
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JP2003344005 |
To provide a method of measuring the thickness of a plate capable of measuring the thickness of a coiled plate precisely in a short time on a line, and to provide a device therefor. On the output side of a rolling line, a coil car 3 is r...
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JP2003340520 |
To lower a buckling generation rate of a thin metal strip and improve a product yield. An interval between welding point detecting holes 16 in the width direction of the metal strip is adjusted by the thickness and the width of the metal...
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JP2003334612 |
To provide a method and an apparatus for measuring the thickness of a coil plate capable of accurately measuring the coil thickness on a line for a short time.At the exit side of the rolling line, a cap roll 3 is moved on a tension reel ...
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JP2003334604 |
To provide a method to measure the curing shape of a steel plate with robustness, accuracy, and easiness in the vicinity of a rolling machine which is required for responsing to the dynamic control of curling of the steel plate.This meth...
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JP3495558 |
To improve reliability on detection of a joined point by more accurately detecting the joined point of the tail end of a preceding band plate with the tip of the succeeding band plate than the conventional method and also preventing dist...
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JP3494131 |
To efficiently manufacture a seamless steel pipe whose finishing dimension is secured thanks to the continuously manufacturing line since deflected wall thickness in the circumferential direction is less and the thickness in the end of t...
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JP2003329600 |
To provide a method for controlling the quality of steel plates capable of performing on-line delivery determination, easily specifying processes causing flaws, and preventing flaw from being overlooked.A surface flaw inspecting device 1...
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JP2003326313 |
To provide a coiling method of a hot-rolled steel strip which is suitable for a period in the state where the hot-rolled steel strip is held with a coiler pinch roll on and after the tail end of the hot-rolled steel strip is passed throu...
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JP3491140 |
To obtain high draft of 90% or more in one pass over the total length from the front end to the tail and of a rolled material using a normal rolling mill, and also to secure mass-production capability and simplify the equipment and the c...
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JP2003322513 |
To measure accurately a bead cut shape of an electric resistance welded tube without being influenced by the difference of the brightness level between a cut part and a non-cut part of an optically cut image.The maximum brightness in the...
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JP2003315027 |
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, 41...
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JP2003311324 |
To provide a number counting device 1 for correctly counting the number of passing bar steels 3 in any condition.The number counting device 1 comprises a base plate 5, a slide bar 7, a housing 9, a set collar 11, a rocking bar 13, a spir...
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JP3488382 |
To obtain a method and device for controlling interval pitches for minimizing the error in interval pitches. Relating to the interval pitch controller for rolled stocks at the time of rolling plural rolled stocks by successively threadin...
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JP3485083 |
To provide a cold rolling equipment and a cold rolling method therefore capable of manufacturing a product having a prescribed plate thickness distribution and a less edge drop of the plate even in inexpensive equipment. A cold rolling e...
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JP2003294533 |
To provide a surface temperature measuring device and a method of a sheet steel for measuring the surface temperature of the sheet steel in the state where a contact plate is contacted or slid on the surface of the sheet steel.A blackbod...
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JP2003290827 |
To detect abnormal rolling in a multi roll mill instantaneously during rolling.By detecting the current value of rolling load at each stand of the multi roll mill, whether it is abnormal rolling or not is judged by the variation of the d...
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JP2003290828 |
To provide a flaw detection method using hot eddy current for rolled stocks by which the influence by the noise from the outside is reduced and the flaw detection is performed with high accuracy even without raising the sensitivity of a ...
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JP2003290826 |
To provide a steel strip manufacturing method and a steel strip manufacturing device for improving the efficiency of users and manufacturers, and for ordering and delivering steel strips of excellent yield, and to provide a steel strip c...
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JP2003290809 |
To prevent a trouble caused at passing-through of a rolled material by detecting a warp at the tip part of the rolled material and correcting the warp.Loads applied to stripper guides 31 to 34 at the upper and lower parts of the inlet si...
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JP3480407 |
To provide an arithmetic unit for retained force for calculating the retained force value of rolling, each time the materials are passed through each roll stand, of a motor for feeding the rolling materials to a mandrel mill. This arithm...
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JP3480639 |
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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JP2003285104 |
To provide a method for manufacturing a hot rolled steel sheet capable of efficiently heating without a fear of breaking a heating device.In the method for manufacturing the hot rolled steel sheet, when a rough rolled steel is finish rol...
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JP2003279323 |
To provide a rolling mill vicinity width meter measuring a plate width in the vicinity of a mill roll for rolling a plate material.The meter comprises at least a pair of one dimensional CCD camera detecting an edge position of both edges...
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JP2003275805 |
To provide a hot rolling method of high carbon steel by which a high carbon steel sheet having excellent quality is manufactured.The heating temperature of the whole in the longitudinal direction of a sheet bar 1 is decided on the basis ...
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JP2003270057 |
To improve a sheet steel surface temperature measuring apparatus for measuring the surface temperature of sheet steel with a contact plate having a heat sensing part on its back surface in contact with or sliding over the surface of the ...
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JP2003266107 |
To exactly calculate a point of time when a succeeding material is extracted from a heating furnace for catching up with a preceding material in the target catching-up position on the hot rolling line from the pattern of conveying speed ...
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JP2003262570 |
To enable easy abnormality diagnosis of a bearing without using dedicated sensor for diagnosis and complex signal processing such as an FET.Transport equipment for a strip is provided with a driving system 14 including a bridle roll 10 c...
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JP3474922 |
PURPOSE: To shorten the time necessary for calibration by moving a set of unit shims different from each other in thickness, between a radiation source and a detector along a direction of a profile to be measured. CONSTITUTION: A calibra...
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JP2003260515 |
To provide a method and apparatus for winding a metal strip capable of restraining misalignment of involute coils.The second pinching roll 5 is provided between the first pinching roll 4 and a coiler 1. The second pinching roll can trave...
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JP2003260511 |
To provide a method for manufacturing wire rods capable of preventing fluctuations of free coil diameters.A device for manufacturing wire rods 1 comprises a drawing die 3, a first optical sensor 5, a shaving die 7, a second optical senso...
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JP3470684 |
To set up a rolling speed of a universal rolling mill with high accuracy, so as to prevent damage to equipment, and miss-rolling, and improve manufacturing efficiency. When a universal rolling for a section having a flange and a web is p...
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JP2003254728 |
To provide an instrument that can precisely measure a surface shape moving at a high speed.A distance measuring and detecting part is arranged to incline an imaginary scanning reference axis 6i of the distance measuring and detecting par...
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JP2003251411 |
To provide an apparatus and a method for pickling and refining a hot-rolled sheet and for realizing production of a strip having good quality in a single process having high productivity.The apparatus for pickling and refining the hot-ro...
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JP2003247951 |
To reliably detect a defect detection signal changing in short times in a high speed line via a low-cost device by reducing a load on data processing.For detection of a crack as a defect in a running strip-shaped material 12, a signal fr...
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JP2003245707 |
To provide a method for rolling a thick plate, where rejection due to an insufficient plate thickness can be reduced.A detector capable of measuring a plate thickness, an average rolling length, a crop length, and a plate bending amount ...
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JP3465347 |
PURPOSE: To automatically carry out marking on the outer circumference of a metallic pipe of a relatively small diameter. CONSTITUTION: A straight pipe member placed on a pipe-member setting support 3 that has been fitted to a frame 1 is...
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JP2003240645 |
To provide a thermocouple and a temperature measuring method using it for measuring, simply with a smaller error, the temperature of a conductive object, especially a metal strip, a wire rod, a bar stock, a profile or the like in continu...
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JP2003236612 |
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 manufacturing...
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JP2003236613 |
To provide a manufacturing method of band steel for manufacturing a cold- rolled or plated band steel by which the secure removal of defective parts to be removed is enabled and the degradation of the yield of products by removing even u...
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JP2003236609 |
To provide an apparatus and a method for discontinuously stretching a wire safely at high speed.A stretching machine 21 includes a roll-type straightening mill 22, a 1st roll-type advancing unit 23, a 1st clamping device 24 which is mova...
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JP2003232777 |
To provide a detection method and a detection apparatus capable of highly accurately detecting parts uncut by turning for removing surface decarburized layers caused by heat treatments on steel pipes and round bar steels at low costs in ...
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JP2003231000 |
To prevent scratches from remaining on the surface of a coil material even if the coil material is a conductor, a non-conductive material, or light weight during loop-detecting the coil material.A spot with which a loop part of the coil ...
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JP3460473 |
To mechanically and efficiently measure a roller diameter by measuring the distance from each of two or more points on the same circumferential line of a roller to a radial sensor by two or more non-contact displacement sensors. A truck ...
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JP3458499 |
PURPOSE: To automatically detect the breakage of the strip and prevent an accident associated with the breakage of the strip from being happened by monitoring the coiling condition and achieving an appropriate treatment when the joining ...
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JP2003220452 |
To provide a marking device for a continuous casting machine capable of specifying the mold responsible for casting defective products of a short size material, and a marking method therefor.The marking device for the continuous casting ...
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JP2003220413 |
To improve a loop height detector in a looper of a continuous processing line for a metal strip and so on, and to prevent a detection failure especially in conveying a narrow and thin metal strip.The detector consists of a vertical displ...
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JP3456460 |
To provide a rolling failure detecting device to previously prevent serious troubles causing an equipment failure by detecting poor measuring of a hollow material pipe and poor positioning of a mandrel bar and the hollow material pipe wh...
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JP2003213340 |
To provide a method for optimizing a cut-off quantity in the front and rear end parts of a metal strip at the inlet side of a continuous annealing line which removes by cutting off the front and rear end parts of the metal strip at the i...
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