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JP3392508B2 |
PURPOSE: To improve controlling accuracy at the time of changing a product coil and to obtain the product having stable quality by adequately compensating the variation in feedforward control quantity caused by the composition variation ...
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JP3388937B2 |
PURPOSE: To provide a method for producing a titanium-added dead soft steel sheet industrially stable and excellent in surface properties. CONSTITUTION: This is a method for producing a dead soft steel in which, at the time of producing ...
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JP3389785B2 |
To provide a method for preventing the breakage of a metallic strip or the deterioration of a shape in the furnace even after stopping the operation of an equipment. In a method for controlling the tension of a metallic strip in a contin...
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JP3380354B2 |
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JP3380330B2 |
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JP3377104B2 |
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JP2003039109A |
To provide a device for controlling a coil winding temperature capable of improving an identifying accuracy of the temperature model, capable of drastically shortening the time for the temperature calculation and of lowering a computing ...
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JP3369241B2 |
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JP2003013298A |
To provide a method for controlling a speed of a facilities group in a continuous treatment line, which maintains an optimum center speed while always securing quality.The method for controlling the speed of the facilities group consisti...
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JP3366106B2 |
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JP3367366B2 |
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JP3358700B2 |
To provide a means for controlling the extruding order of heated materials existing in plural heating furnaces and batch furnaces so as to be possible to efficiently use the batch furnace. This method controls the extruding order of the ...
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JP3356595B2 |
To freely apply a uniform heating and a gradient heating to a material to be heated by setting asymmetrically a combustion heating time in a heat storage type alternate combustion heating and executing the combustion control of a heating...
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JP3356596B2 |
To freely apply a uniform heating and a gradient heating to a material to be heated by stopping combustion heating after combustion-heating with burner group at the one side for long time and combustion-heating with burner group at the o...
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JP3345274B2 |
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JP2002322513A |
To prolong the product treatment time by reducing the number of temperature raising/dropping operations in a heat treatment equipment for treating a plurality of products at a plurality of kinds of treatment temperature.A production mana...
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JP2002321006A |
To provide a network system realizing a optimum production management for metal materials supplied by a metal mill.A storing means 260 stores production information for metal materials of a metal mill 140 and material receiving schedule ...
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JP2002296122A |
To provide a heat treatment device and a heat treatment method which can detect a temperature of a treating object with high precision and hence perform needed heat treat for the treating object speedily.In the heat treatment device whic...
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JP2002285234A |
To prevent oxidation and quality degradation of a work to be heated by strictly controlling the composition of the atmosphere on the surface of the work.In a heat accumulation combustion furnace for performing alternate combustion by pro...
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JP3328471B2 |
To improve the thermal efficiency and the productivity of a heating furnace by flowing exhaust gas suction quantity and combustion air supplying quantity always to near the max. values of a heat storage type burner capacity and increasin...
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JP2002256347A |
To provide a heating device capable of improving the yield even when the line speed is high.A controller 50 controls a power source 42 so that the temperature of a passing part 14a reaches the target value based on the drawing speed tran...
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JP2002248594A |
To provide a method for remotely diagnosing and solving a technical problem that is likely to occur in a heat treatment process in the field of weld ing or cutting.Information from a user is obtained from following processes: a process w...
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JP3320665B2 |
To provide a new rolling order deciding method by which the optimum schedules of heating and rolling are made making a point of grouping rolled stocks having the same heating conditions. First, heating groups (a)-(e) which can be charged...
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JP3318070B2 |
PURPOSE: To provide an automatic heat treatment apparatus accurately and mechanically executing the heat treatment work to members to be heat-treated having plural different kinds. CONSTITUTION: This automatic heat treatment apparatus is...
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JP3311539B2 |
PURPOSE: To correct the difference of tension according to the wt. of a steel sheet and to stabilize the operation by setting the surface roughness of lower roll in a vertical type furnace higher than the surface roughness of upper roll ...
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JP3310997B2 |
PURPOSE: To enable minimizing and lightening of a continuous treatment apparatus having a simple structure and easily execute quick and smooth carrying of a material to be treated between treatment chambers being different atmospheres. C...
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JP3308757B2 |
PURPOSE: To attain time reduction and high efficiency in correcting meandering by providing a detector for meandering of a strip at least on either the entrance side or the exit side of a vertical louver with a long roll span and also ad...
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JP3307468B2 |
PURPOSE: To stabilize the traveling state of a steel strip in the center part of a furnace when the steel strip travels vertically in a continuous heat treating furnace or the like by providing both edge parts and the center part of the ...
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JP3297491B2 |
PURPOSE: To make the variation of catenary deflection quantity less even if the distance or the height difference between rolls at both ends constituting the catenary is changed. CONSTITUTION: At the time of changing the distance or the ...
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JP3297741B2 |
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JP3289822B2 |
To execute a stable low NOx operation, in which the finish heating temp. of a heating material is regulated to a target value, by using a value in the simulation data base and value in the actual measured data base selected in an item to...
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JP2002161316A |
To provide a method for manufacturing a thin steel sheet with a high production yield of the products, a small variation of manufacturing condition, and a small fluctuation of material properties among product coils and of surface qualit...
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JP3286901B2 |
To provide a combustion control method of a heat-storage type burner furnace, in which each burner can stably burn even if individual burner is burnt by changing over in a short time (sec unit). In the furnace arranging plural pairs of h...
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JP3282538B2 |
To improve productivity of a whole process line by calculating the speed pattern showing the input speed value of each time from the length of a coil, an output speed and a necessary run-in quantity and controlling the input speed into a...
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JP3264472B2 |
PURPOSE: To charge the slab to a heating furnace of different charging pitch by calculating the charge side space in each heating furnace, and comparing the sum of the slab width for one handling amount with the space of the furnace. CON...
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JP2002060850A |
To correctly control combustion according to the change in the flame length which is changed according to the fuel flow rate.Parameters in controlling a strip temperature are changed according to the fuel flow rate in the furnace tempera...
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JP3260605B2 |
To reduce the consumption of energy required for annealing, to save the waste for cutting a defective part of a produced sheet and to improve its yield by regulating the annealing temp. so as to obtain the material uniformity of a coil p...
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JP3260577B2 |
PURPOSE: To control stably the position of a steel sheet, with a high accuracy and high reliability, using the signal of by detecting the position of the steel sheet, in a linear and wide band the position of the steel sheet in a process...
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JP3251455B2 |
PURPOSE: To independently control the amount of nose camber into the target value and, even when there are a restriction from the viewpoint of the material of a rolled stock, restriction from the viewpoint of equipment, restriction from ...
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JP3250818B2 |
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JP3239761B2 |
To obtain an estimating method of slitting camber and to precisely and quickly manufacture a steel sheet less in the slitting camber. At the time of executing nonuniform acceleration cooling to a slice finely dividing a slitted material ...
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JP3238149B2 |
A control system for heat-treating parts in a furnace structure is provided. A plurality of processing chambers, each having at least one part position, are adapted to simultaneously process a plurality of parts each for a respective pre...
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JP3238290B2 |
PURPOSE: To provide a warpage straightening device for a steel sheet by effectively straightening the warpage of the steel sheet even if the steel sheet is thin. CONSTITUTION: Plural pieces of electromagnets 1, 2, 3 are disposed along th...
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JP2001335847A |
To provide a steel cooling method capable of controlling the cooling stop temperature with high accuracy by a simple method in which the cooling can be realized so that the cooling stop temperature is within a substantially predetermined...
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JP2001329318A |
To provide a method for controlling the plate passing speed on an inlet side of a process line which is capable of increasing the storage length of a strip in an inlet side looper and has the control simple logic without reaching the lim...
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JP2001324275A |
To provide a method of heating control and a heating control apparatus of a continuous heating furnace of which reset processing of heating condition can be performed more adequately.In a continuous heating furnace 10 having a plurality ...
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JP2001316755A |
To restrain the nonuniformity generated during the production of a steel sheet such as residual stress within a specified range so that the amount of a distortion is kept within a constant range when the steel sheet is subjected to groov...
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JP3227326B2 |
PURPOSE: To prevent the lack of alloying of the galvanized steel strip and improve the quality by compensating the lack of electrical induction heating by increasing a gas heating capacity. CONSTITUTION: The steel strip 1 is galvanized b...
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JP2001294941A |
To suppress oxidation even in case of heating a metal strip by a direct combustion in a pre-heating zone and to fit a per-heating process suitable to the whole production configuration. In the method for pre-heating the metal strip in pa...
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JP2001519474A |
The invention relates to a method for determining and controlling the material flux of continuous cast slabs, in particular steel slabs, by tracking and optimizing the temperature on their transport path between the continuous casting ma...
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