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JP2011020145A |
To provide a device and a method for controlling the metal strip passing position to correct any meandering of a metal strip which occurs when continuously passing the metal strip in a hair-pin shape in a re-heating furnace after the har...
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JP2011021231A |
To provide a method for determining an order of charging a rolled material into a continuous heat treatment furnace, while not only evaluating production process conditions but also directly evaluating an economical factor of the cost, i...
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JP4623020B2 |
To facilitate decision making of a quality designer when manufacturing conditions as to optimize a plurality of target functions (for example, costs and risks) in quality design are determined. An apparatus for aiding designing for optim...
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JP4604564B2 |
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JP4598580B2 |
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JP4598586B2 |
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JP2010537046A |
The invention relates to a method and equipment for controlling flatness of a stainless steel strip in connection with cooling after annealing in a finishing line. The strip (1) is first in the direction of the strip movement (2) cooled ...
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JP2010265535A |
To provide a heating furnace and a heating method by which the temperature of skid marks at the lower face of a metallic material can be more correctly measured in the heating furnace, where a metallic material is conveyed by the skids. ...
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JP2010265536A |
To provide a heating furnace and a heating method in which the temperature of a slab can more correctly be controlled upon the heating using the heating furnace to prevent the warpage of the slab. The heating furnace 1, which heats the s...
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JP4580792B2 |
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JP4583255B2 |
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JP4583256B2 |
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JP2010242218A |
To improve the degree of automation in industrial furnace equipment. As the premise to the same compositions of charging materials, the same processing programs and the same part shapes in metallic workpieces, a method and a computer-pro...
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JP2010235972A |
To simply calculate an appropriate tempering temperature to a high tension steel raw material sufficiently high accuracy even when it is various kinds in the standard and product size of the high tension steel sheet. In a manufacturing c...
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JP4561809B2 |
To provide a heat treatment method which enables the efficient heat treatment of a steel material without depressing rolling efficiency in an in-line heat treatment of the steel material using induction heating devices. After quenching a...
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JP4561810B2 |
To provide a heat treatment method which enables the efficient heat treatment of a steel material without depressing rolling efficiency in an in-line heat treatment of the steel material using induction heating devices. After quenching a...
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JPWO2009013827A1 |
Provided is a manufacturing method for obtaining a high-quality steel sheet in accordance with the improvement of the prediction accuracy of the material model in the static heat treatment and the accompanying increase in the accuracy of...
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JP4507681B2 |
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JP4508956B2 |
To provide a high frequency heat treatment method with which the hardening can be performed by satisfying the condition of solid solution quantity of C and residual austenite quantity at temperature control side can be estimated. This hi...
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JP4496572B2 |
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JP4440643B2 |
A method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill, using pinching rollers arranged in the moving direction of the s...
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JP4408221B2 |
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JP2010014314A |
To provide a heating furnace capable of reducing the amount of decarbonization of a workpiece, and its control method.The heating furnace has a hearth 3, a furnace body 2 in which an opening 2b closed by the hearth 3 is formed at a lower...
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JP4396237B2 |
To provide a heat treatment device of a steel material and a steel material manufacturing method in which the surface temperature and the internal temperature of the steel material are matched with the target values with excellent accura...
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JP2010001548A |
To provide a method for deciding an arrangement interval of steel in a heating furnace corresponding to the productivity.The method for deciding the arrangement interval of the steel in the continuous-type heating furnace in which a plur...
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JP4393607B2 |
To improve the passing speed of a strip without developing unevenness in the width direction of material and quality in the metallic strip to execute the heat treatment. In a continuous annealing furnace 20 for continuously annealing a s...
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JP4391961B2 |
To provide a thinning control method of a combustion burner capable of easily deciding a thinned burner while considering the burner fixedly thinned, when combustion load is lowered. In this thinning control method of the combustion burn...
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JP2009300132A |
To provide a temperature measuring method which allows continuous production with mass production cycle time observed, prevents a thermometer from being damaged, and achieves a correct temperature measurement during induction heating.The...
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JP4380260B2 |
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JP4365600B2 |
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JP4365536B2 |
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JP4365537B2 |
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JP4365556B2 |
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JP2009263702A |
To provide a method for controlling a heating apparatus with which the impression of output voltage to a heating member in the heating apparatus is stopped and thereafter, when restarting the impression of the output voltage, the generat...
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JP4352499B2 |
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JP4352470B2 |
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JP2009535512A |
Method of reducing the formation of folds on metal strips (1) exposed to rapid heating in continuous heat-treatment lines, in which lines said strips are caused to pass through heating sections (2) comprising successive and separate heat...
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JP4333282B2 |
To provide a method for manufacturing a high-strength steel sheet including a high-strength sour-resistant steel sheet for a line pipe, which prevents degradation of strength and DWTT (drop weight tear test) characteristics, and can redu...
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JP4333283B2 |
To provide a method for manufacturing a high-strength steel sheet which is hot-rolled and acceleratingly-cooled or quenched, and has such superior cut-cracking resistance as not to cause cracks due to cutting on a cut plane even after ha...
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JP4333157B2 |
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JP4325326B2 |
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JP2009191286A |
To control the shape of a product at better precision when a thick plate is produced by acceleratively cooling the hot-rolled steel thick plate.The hot-rolled steel plate 20 is applied to a slow cooling on a cooling bed 4 after accelerat...
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JP4317749B2 |
In order to obtain a fine-lamellar perlite structure in the edge region of the heads of rails ( 1 ), especially hot-rolled rails for carriageways or railways, by specific thermal treatment during cooling from the rolling heat without the...
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JP2009527649A |
Cooling of metal strip (1) by gas blown cooling boxes in a continuous heat treatment line has the following characteristics: (a) the cooling boxes (4) have a unitary dimension in the direction of defilement of less than 2 metres and are ...
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JP4306179B2 |
To provide a heat treatment method of steel and a program therefor for reflecting the result of heat control of steel which is presently heated on the heat control of the steel itself, and for controlling the temperature of the steel wit...
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JP4302325B2 |
Temperature in the vicinity of a heated point on a work (1) surface on a moving locus of flame poured from a torch (3) is measured, the measured value is inputted into a controlling unit (8). It is converted into a physical quantity whic...
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JP2009144944A |
To provide a heat treatment method of steel capable of providing round-bar steel of high quality without wasting a fuel.A control device 4 comprises a recorder 6, a first thermocouple 8, a second thermocouple 10 and a third thermocouple ...
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JP4287740B2 |
To determine the temperature profile (Tm(t)) of a hot-rolled material (1) in a cooling line (5), a heat conduction equation which takes the following formwhere e is the enthalpy, lambda the thermal conductivity, p the degree of phase tra...
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JP4258341B2 |
To provide a manufacturing method for reducing variations of strength in a longitudinal direction of a steel plate, without needing an analytical technique requiring much calculation such as a complicated temperature control and an itera...
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JP4258165B2 |
To provide a method for heating a steel material and its program by which the temperature of the steel material having temperature distribution can be uniformed by heating without applying excessive load to a control unit for performing ...
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