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WO/2003/000940A1 |
To determine the temperature progression (Tm(t)) of a hot-rolled product (1) in a cooling section (5), a thermal-conduction equation of formula (I) is solved in a cooling-section model (4). In said equation, e represents the enthalpy, $g...
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WO/2002/088402A1 |
The invention concerns the modification of the thermal profile developed by a product during treatment, in particular in a reheating furnace. The invention is characterised in that it consists in decreasing the treating time of the produ...
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WO/2002/048411A1 |
The invention relates to a method and a device for cooling and treating heated, rotationally symmetrical bodies made of metallic materials, primarily massive wheels, wheel tires, wheel disks and similar disks and rings such as railway an...
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WO/2002/038817A1 |
A method of heat treating a double-taper steel wire having tapered-off portions at the opposite ends of a uniform-diameter straight portion, wherein a wire diameter is continuously detected by wire diameter detecting means (3, 6) and inp...
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WO/2002/031212A1 |
this invention concerns a blowing lance and a procedure for the metallurgical treatment of molten steel in a converter with oxygen top blown over the molten steel. In order to monitor the treatment process the intention is for a temperat...
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WO/2002/018934A1 |
The invention relates to a method for determining the thermal material properties of metal shaped parts from a model, which describes the thermal material properties of the metal shaped part. According to the invention, at least one ther...
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WO/2001/071047A1 |
The invention concerns a method for making a multiphase hot-rolled steel strip comprising an ultra-fast cooling operations, which consists in carrying out said ultra-fast cooling operation after controlled slow cooling of the strip on a ...
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WO/2001/047648A2 |
The joint properties of a metal strip being rolled in a hot strip rolling mill, especially a steel strip, are adjusted in the cooling stretch of said mill by cooling. According to the invention, a time-related cooling course is predeterm...
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WO/2001/047647A2 |
The invention relates to a device for cooling a hot-rolled metal strip leaving a roll stand by applying a coolant depending on the temperature of the metal strip. According to the invention, the cooling device comprises a cooling model f...
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WO/2001/017704A1 |
The invention relates to a method and a device for cooling a hot rolled steel strip (1, 30, 40, 50) that runs off a roll stand (2). Cooling is carried out by means of a cooling device (3, 4, 5, 6, 7, 8, 9, 10) and at least two temperatur...
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WO/2000/032827A1 |
A temperature in the vicinity of a heating point on the surface of a workpiece (1) is measured on the moving trace of flames jetted from a torch (3) to input the measured value to a controller (8), convert the value to a physical value s...
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WO/1999/024182A1 |
A process is disclosed for controlling a metallurgical plant for producing steel or aluminium, in particular a rolling mill. Steel or aluminium with particular material properties which depend on the steel or aluminium structure are prod...
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WO/1999/018246A1 |
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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WO/1999/013999A1 |
The invention relates to a method and a device for cooling metal or steel strips at the exit of a finishing block of a rolling mill. According to the invention, the cooling is adjusted according to the temperature of the metal or steel s...
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WO/1999/011829A1 |
The invention relates to a method and a device for thermal treatment of parts, which are exposed to a protected furnace gas atmosphere generated $i(in situ )in a processing chamber of a furnace in order to substantially preserve the surf...
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WO/1999/002744A1 |
In a method and apparatus for performing a heat treatment on steel rings, in particular for bearings, the outer surface and the inner surface of a preheated ring are exposed to different flows of a cooling medium such that the regions of...
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WO/1998/027236A1 |
The invention concerns a method for supplying heat to or drawing heat from a mass of substance for bringing this whole mass of substance to a desired temperature, characterised in that the moment when the required temperature is reached ...
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WO/1998/018970A1 |
This invention concerns a process to monitor and control the quality of rolled products from hot-rolled processes which produce products such as sheets, rods, etc., from input stock such as slabs, billets, etc. The aim of the invention i...
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WO/1998/011761A1 |
A heating system (50) and method for heating a metal strip (40) to within a predetermined temperature tolerance range while the metal strip (40) serially travels through the heating system (50). The heating system (50) has at least one p...
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WO/1997/041995A2 |
In a process for machining workpieces (10) with laser radiation (11), the irradiated machining area (12) is monitored by a measurement technique by means of which response signals (26) are determined and a process parameter (16) is modul...
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WO/1997/012068A1 |
Both an apparatus and a method for detecting slag (19) in a flow of molten metal (1) conducted through a ladle shroud (11) are provided. In the apparatus, first (31) and second (33) conductive pins are mounted beside one another in a wal...
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WO/1996/010095A1 |
Rails moving at a certain speed (V) are surface quenched in a rolling heat using a cooling liquid, then cooled more slowly while equalising the temperature over the cross-section of the rails. An ideal diameter (DI) of each rail is calcu...
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WO/1996/006199A1 |
A method for heat treating a metal component (10) uses a first heating system (station #2 to station #6) having a first high intensity heating portion (station #2 and station #3) to rapidly heat the component (10) to a desired temperatur...
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WO/1995/005904A1 |
A rolling mill (1) for rolling metal strip has provision for applying discrete levels of liquid coolant to the strip and the temperature (te) of the strip leaving the mill is compared with a target temperature (ts) and the temperature (T...
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WO/1994/019124A1 |
The object of the invention is to apply an appropriate temperature profile to a bloc to be extruded, at which the extrusion process may be optimized. For that purpose, the metal blocks (10a) to be extruded are heated (furnace 2) up to an...
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WO/1994/013843A1 |
When annealing steel strip in annealing furnaces, contamination often occurs in the form of carbon deposits on the surface of the steel. The use of hydrogen in the protective-gas atmosphere allows such deposits to be converted to methane...
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WO/1994/004708A1 |
A process and device are disclosed for regulating the annealing power in at least one annealing section of a continuous annealing and processing line for continuously cast metal products. The speed of the cast products (D) passing throug...
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WO/1993/017145A1 |
A method for producing a cast aluminum vehicle wheel (10) uses a high intensity electric infrared heating system (44) to heat treat the wheel (10). The infrared heating system (44) is an indexing-type system which includes a plurality of...
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WO/1992/008180A1 |
A control system (100) for heat-treating parts in a furnace structure (102) is provided. A plurality of processing chambers (106, 110, 112, 122, 124, 126, 128), each having at least one part position, are adapted to simultaneously proces...
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WO/1992/000394A1 |
A method and apparatus are provided for monitoring in situ the transformation of some fraction of a starting material to another material during the course of a thermal treatment. The starting material is heated to a preselected temperat...
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WO/1991/002096A1 |
A process is useful for controlling processes for heat treatment of metals in function of the material during inductive heating in a closed control circuit if otherwise, with predetermined and exactly reproducible machine parameters, the...
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WO/1990/015885A1 |
When a steel material is cooled with a cooling belt, the temperature of the steel material is estimated based on the progress of transformation (variation of the transformation heat generation quantity relative with the variation with th...
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WO/1990/009458A1 |
A scanning induction hardening process in which a steel workpiece is surface hardened by progressively traversing its length with an inductor coil energised by an alternating electric current and immediately thereafter quenching the heat...
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WO/1990/007583A1 |
Automatic automated installation for processing parts, designed in particular for the engineering industry where processing modules are being used, for example preheating modules, thermochemical processing modules and hardening modules. ...
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WO/1989/001529A1 |
A scanning induction hardening process, in which a steel workpiece (5) is surface hardened by progressively traversing its length with an inductor coil (14), energised by an alternating electric current and immediately thereafter quenchi...
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WO/1985/004069A1 |
Apparatus and process for selectively heat treating at least a portion of an article in the field with autoregulated heating. The autoregulated heating is provided by heater (110) including at least a first magnetic material (202) dispos...
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WO/1980/002698A1 |
The control of the composition of the atmosphere of an oven for the nitridation of the surface of ferrous workpieces or similar by means of a gas containing hydrogen or ammoniac, comprises an ammonia cracking plant which introduces at le...
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WO/1979/001047A1 |
The furnace with movable supports for special steel comprises a device allowing the material to be heated to effect further feed pitches in the fast heating section while remaining stationary in the preheating section. The average stay d...
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JP7472867B2 |
To provide a steel heat treatment condition determination method, a steel manufacturing method, an information processing device, and a steel heat treatment condition determination program capable of supporting improvement in steel yield...
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JP2024048306A |
An object of the present invention is to provide a method for operating a batch-type heating furnace with high productivity. A method for operating a batch heating furnace (10) includes a charging step (#5), a main heating step (#10), an...
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JP2024041725A |
[Problem] Build a heating furnace combustion intelligent control system to improve the automatic control level of the furnace temperature, the uniformity of the slab heating temperature, the control accuracy of the furnace air temperatur...
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JP7446381B2 |
To provide a method for a cooling simulation, a cooling simulation program, a cooling simulation device, and a method for cooling a workpiece that can reduce a time for calculation.The method for a cooling simulation is a method for a co...
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JP2024018913A |
The present invention provides a mandrel bar manufacturing method and a mandrel bar manufacturing apparatus that allow annealing heat treatment of the mandrel bar without using an atmosphere furnace. [Solution] A mandrel bar manufacturin...
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JP2024011329A |
An object of the present invention is to accurately predict the characteristics of steel materials manufactured on a production line that includes quenching and tempering treatments. A material prediction device 10 predicts the character...
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JP2023182245A |
To provide a heat treatment apparatus and a heat treatment apparatus control program which are capable of calculating the surface temperature of a workpiece stored in a furnace at high precision without depending on the mass of the workp...
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JP7387552B2 |
To eliminate necessity to construct each temperature prediction model in order to calculate a temperature on an output side of the cooling facility and a prediction value of temperature at a middle part of cooling facility.A steel plate ...
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JP2023137789A |
To provide a heat treatment furnace capable of controlling an in-furnace temperature with high versatility even when load conditions are changed.A heat treatment furnace 1 comprises: a zone 22-1; a temperature sensor 31 and a burner 35 p...
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JP2023134968A |
To provide a method for calculating a ferrite transformation temperature of a steel sheet capable of accurately calculating the ferrite transformation temperature considering external factors and the temperature of the steel sheet during...
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JP7348996B1 |
[Problem] To realize more appropriate cooperative operation and linked operation of multiple pattern programs in a PLC for heat treatment furnace equipment. A programmable logic controller runs one or more program controllers and a contr...
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JP2023125249A |
To provide a correction device and a correction method, etc. for a slab temperature model capable of accurately predicting a temperature distribution including a lengthwise direction and a thickness direction in at least a width central ...
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