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JP4259335B2 |
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JP4258235B2 |
To subject a steel material to heating treatment with good accuracy, in the heating treatment of the steel material using a correcting apparatus and an induction heating apparatus. The method for heating the steel material is provided wi...
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JP2009074776A |
To provide a method of detecting an extracting position of a heated material in a heating furnace with high accuracy without impairing an operation.This invention provides a method of detecting the extracting position of the heated mater...
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JP4227354B2 |
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JP4226855B2 |
Heating characteristic value at any measuring point of an object at any measuring location of an heating furnace is determined as a single invariable by using temperature (Tint and Ts) measured at the measuring point of the object and he...
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JP2009019242A |
To provide a method for determining operating conditions of a heating furnace, capable of improving a furnace efficiency and decreasing a unit consumption of a heating furnace whose inner wall surface is coated with a highly emissive pai...
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JP2009013486A |
To provide a method for controlling a heat-treatment facility with which at the suitable timing, the driving of a cooling device can be stopped.In the heat-treatment facility 1, a metallic sheet 2 during transporting, is heated with a he...
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JP4205771B2 |
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JP4203275B2 |
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JP4196692B2 |
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JP2008297583A |
To provide a method for manufacturing a thick steel plate, which can control a surface hardness of the plate.The method for manufacturing the thick steel plate having the surface hardness of which the upper limit is specified includes co...
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JP4193228B2 |
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JP4187960B2 |
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JP2008266715A |
To provide a method for controlling sheet temperature in a continuous heat-treatment furnace and an apparatus therefor, a computer program and a computer readable recording medium by which the operation change value highly efficient in a...
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JP4174423B2 |
A system for cooling a hot rail of rail steel to a fine perlitic or ferritic or perlitic/ferritic structure has a plurality of separate cooling modules with independently adjustable cooling parameters. The rail is guided downstream throu...
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JP4169378B2 |
A constant current annealing device for annealing a wire or surgical needle is disclosed. The device includes amplitude and time setting devices, such as thumb-wheel switches. A constant current source is connected to the current setting...
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JP2008248312A |
To provide an operation method of a heat-treating furnace by which the operation of the heat-treating furnace is not troubled even when a thick steel plate needing heating correction is produced.The method for deciding the operation of t...
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JP2008217317A |
To provide a temperature controller that can implement uniform temperature control through easy adjustments on controller parameters.A coupler 18 is provided as a feedback means for feeding back a difference between detected temperatures...
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JP2008215666A |
To carry out efficient heating treatment while reducing the produced amount of NOx in a continuous heating furnace constituted to sequentially lead heated objects to a plurality of combustion zones provided with combustion devices to hea...
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JP4148551B2 |
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JP4144064B2 |
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JP4144476B2 |
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JP4126463B2 |
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JP4123735B2 |
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JP4123534B2 |
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JP4123616B2 |
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JP2008155249A |
To provide a speed controlling method capable of achieving maximization of the efficiency of a continuous treatment line, even if the constraints on speed, equipment, and operation vary for every materials to be treated.An optimization 6...
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JP4112811B2 |
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JP4111144B2 |
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JP4110759B2 |
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JP4103077B2 |
To provide a method for measuring surface temperatures of steel products and to provide its apparatus capable of using inexpensive industrial water containing impurities without having to use clean water. The surface temperature measurin...
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JP2008519154A |
A preselected metallurgical phase is formed in a body of a ferrous alloy by heating the workpiece to a temperature above an austenizing temperature of the alloy and thereafter contacting the workpiece with a quenching medium. Heat is inp...
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JP2008083056A |
To provide a surface temperature measuring method not required to measure a length of a water column, and an instrument therefor.This surface temperature measuring instrument 100 is provided with a radiation thermometer 1 arranged in a p...
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JP2008055443A |
To provide a method for analyzing material quality and a method for stabilizing material quality, which stabilize the material quality of a material in the output stage of a treatment process.In an analyzing method for a metallic materia...
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JP4051804B2 |
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JP2008024966A |
To provide a method for controlling a furnace temperature in a continuous type heating furnace and a method for producing a steel material with which the steel material can accurately be heated to a targeted temperature-raising pattern.I...
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JP4020445B2 |
Process for cooling hot rolled sections from rolling heat,where there have parts of differing mass (1 - 5) distributed over their cross section, e.g. rail sections, whereby radiant heat sensors (30 - 32) in conjunction with a computer (4...
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JP4018331B2 |
A double tapered steel wire (S) is evenly heat treated over the entire length thereof. The wire (S) has its constant-diameter straight portion ( 21, 24 ) disposed between its opposite end tapered portions ( 22, 23 ) each tapered down to ...
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JP4006858B2 |
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JP2007292498A |
To provide an oxide film thickness measuring method for a steel sheet surface capable of measuring an applied amount of a solvent in an inlet side of a direct heating furnace, and an oxide film thickness on the steel sheet surface in an ...
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JP2007531629A |
During the production of steel, a conversion model is used for the cooling line. Said model is used to calculate the phase fractions, in addition to the temperature of the steel, along the steel strip in real time. A regulating system, w...
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JP2007239044A |
To provide an induction heat-treatment facility with which the temperature control and setting heat-treatment condition can be easily obtained and in the case of being few accumulation of the past producing actual result and even in the ...
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JP2007239043A |
To provide an induction heat-treatment method by which the temperature control can be easily obtained and the condition setting of the heat-treatment is easily performed and also, the quality in the treating material can be stabilized an...
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JP2007239039A |
To provide an induction-hardening method and an induction-hardening facility with which the temperature control can be easily obtained and the hardening can easily and efficiently be applied and also, a desired heat-treated quality in th...
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JP3979023B2 |
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JP3971618B2 |
To provide a method for controlling a quenched quality, which can adequately control the quenched quality through judging whether a quenched product is a defective or a nondefective, namely through strictly judging the quenched quality. ...
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JP3972479B2 |
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JP2007217759A |
To provide an induction hardening method which can easily set a condition for heat treatment, and can control the hardness at a desired portion of an article to be treated, for instance, at a portion in a desired depth from the surface. ...
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JP3959747B2 |
PURPOSE: To continuously manufacture the high silicon steel strip of excellent surface property free from any dents for a long time in the manufacturing line or the heat treatment line of the high silicon steel strip such as a continuous...
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JP2007520821A |
A computer determines a subsequent state of a steel volume, based on an instantaneous initial state of said steel volume and at least one volumetric surface, the temporary influence quantities acting on said steel volume, by resolution o...
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