EP1215291B1 - Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall - Google Patents

Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall Download PDF

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Publication number
EP1215291B1
EP1215291B1 EP00127596A EP00127596A EP1215291B1 EP 1215291 B1 EP1215291 B1 EP 1215291B1 EP 00127596 A EP00127596 A EP 00127596A EP 00127596 A EP00127596 A EP 00127596A EP 1215291 B1 EP1215291 B1 EP 1215291B1
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EP
European Patent Office
Prior art keywords
cooling
spray
accordance
rotationally symmetrical
hub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00127596A
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German (de)
English (en)
French (fr)
Other versions
EP1215291A1 (de
Inventor
Siegfried Dipl.-Ing. Gröne
Benno Dipl.-Ing. Guske
Ingo Dr.-Ing. Poschmann
Hermann Royke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AFT Advanced Forging Technologies GmbH
Original Assignee
AFT Advanced Forging Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AT00127596T priority Critical patent/ATE296361T1/de
Application filed by AFT Advanced Forging Technologies GmbH filed Critical AFT Advanced Forging Technologies GmbH
Priority to ES00127596T priority patent/ES2239998T3/es
Priority to EP00127596A priority patent/EP1215291B1/de
Priority to DE50010412T priority patent/DE50010412D1/de
Priority to PCT/EP2001/014613 priority patent/WO2002048411A1/de
Priority to UA2003076595A priority patent/UA76970C2/uk
Priority to RU2003121396/02A priority patent/RU2277132C2/ru
Publication of EP1215291A1 publication Critical patent/EP1215291A1/de
Application granted granted Critical
Publication of EP1215291B1 publication Critical patent/EP1215291B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

Definitions

  • the invention relates to a device for cooling and treating heated, rotationally symmetrical body of metallic materials, such as steel or Steel alloys, mainly monobloc wheels, wheel tires, Wheel disks or similar disks and rings, such as railway and tram wheels, Gears and sprockets.
  • metallic materials such as steel or Steel alloys, mainly monobloc wheels, wheel tires, Wheel disks or similar disks and rings, such as railway and tram wheels, Gears and sprockets.
  • the prior art systems are generally timed, that is, the coolant volume and / or the coolant pressure and thus in Significantly, the coolant temperature are fixed, that is fixed adjusted so that a structural and strength influencing the wheel rim over a fixed predetermined cooling time is made.
  • An online temperature measurement or an online temperature-controlled cooling are in this Relationship unknown.
  • Desired structure or mechanical properties can Therefore, only in unsatisfactory way, while residual stresses in the area of the rim - if at all - only inaccurate and therefore are unsatisfactory way to influence, since the residual stresses decisively determining plastification processes in the transition area between cold rim and hot leaf practically uncontrolled can be, because only the wheel rim controls and the structure respectively the residual stress of the sheet can be disregarded.
  • a curing machine for tires is known in which the wheel tires inside and outside separately controlled sprayed with an air-water mixture become.
  • the aim of the device is to obtain a hardness structure and the stresses positively influence in the wheel tire.
  • the cooling medium can not be automatic be supplied regulated and monitored. Also, the device needs manually rebuilt and adjusted for other wheel tire types.
  • US-A-1 391 907 relates essentially to a railway material with some carbon and manganese content.
  • a cooling device can indeed cool a wheel, but the process is not monitored.
  • the medium quantities are set in advance and not further controlled. This allows the entire Device only for a specific wheel diameter and wheel type be used. For differently designed wheels with different dimensions a correspondingly different device is required.
  • the invention has for its object to provide a device with the can be reproduced with robust means under operating conditions Disadvantages of the prior art can be eliminated completely and about it is allowed to predetermined areas of the body with the device to influence specifically.
  • a defined adjustment of mechanical properties in sheet and hub by targeted, regulated or controlled cooling so that in the predetermined areas of the rotationally symmetrical body Strengths, toughnesses, residual stress and defined property gradients or homogeneity of these properties - with those sufficient for practice Tolerances - in the entire wheel or tire volume including all functional areas of the component such as hub, blade and rim can be adjusted.
  • the invention allows for virtually complex cooling processes under consideration of surface condition (descaling), cooling times respectively Cooling intervals, both for the wheel itself and for the individual functional areas, cooling medium, coolant quantities, Coolant flows, order of cooling of the functional areas and current component temperatures, in each case for the respective functional areas of the body.
  • surface condition decaling
  • Cooling times respectively Cooling intervals
  • cooling medium cooling medium
  • coolant quantities Coolant flows
  • order of cooling of the functional areas and current component temperatures in each case for the respective functional areas of the body.
  • Sequence can be with this device functional area, defined and reproducible mechanical properties by means of complex Set cooling processes.
  • These cooling processes are usually for the different volume or surface areas of the relevant rotationally symmetrical body, for example a wheel, different.
  • the temperature with which the rotationally symmetrical body before its descaling in the device can be between forge heat and Temperature above the transition temperature, since in the case the cooling of precipitation hardening alloys, for example also microalloyed Steels, an influence on the reaction kinetics and thus on the mechanical properties of the component is possible.
  • Control and control variables are the online measured surface temperature the body and / or the coolant pressure, and / or the amount of coolant, and / or the coolant embossing (laminar / turbulent), and / or the nature of the Cooling medium (water, air, mixtures) and the time sequence of the coolant in an individual coolant circuit.
  • Desired residual stresses z. B. in the area of the rim can their Height can be set according to targeted, since the residual stress relevant determining plastification processes in the transition region between cooling and hot material areas are very specifically influenced, and though, because of the fact that the surfaces of multiple peripheral areas are very controlled controlled individually can be cooled.
  • a configured according to the invention device is robust and can thus be used industrially under the room operating conditions. through Such an installation is particularly advantageous for treating railway and tram wheels possible.
  • the wheel in question Rotated and initially descaled, whereupon the corresponding Surface areas, for example, the tread, sheet and hub by individually controlled or controlled coolant flows in a predetermined Be cooled to the predetermined structure in the region of the rim, of the sheet and the hub defined to influence and thereby the desired residual stresses in the region of the wheel rim or the like adjust their height targeted. Also hardening processes are this way specifically feasible.
  • the invention is illustrated in the drawing in application to a device, in the particular advantage railway and tram wheels descaled and a defined and reproducible adjustment of mechanical Properties can be subjected by complex Abkühlvortician.
  • the reference numeral 1 denotes a merely schematically indicated and on the floor vertically erected machine stand, while with 2 over the circumference of a circle with equal angular distances with respect to their Longitudinal axes to each other arranged with rotary actuators 3 trained Drive units are designated.
  • On each frame 2 is such Rotary drive 3 is arranged. All rotary actuators are not shown Control cabinet via at least one frequency inverter control technology connected so that they are infinitely variable in their direction of rotation in both directions Speeds can be controlled or regulated. Own for this purpose the rotary actuators 3 not illustrated in detail electric motors, respectively drive a drive roller 4 via an apparent from Fig. 2 shaft.
  • Each shaft is via an axial actuator 5 in their Lekssachsraum, so in the direction of X or Y via a lever mechanism adjustable and in the respective desired position also lockable.
  • All axial actuators 5 are synchronous via a central control or Control device adjustable (not shown) to put them on each to adjust descaling and to be cooled rotationally symmetric body 21. This therefore means that all drive rollers 4 with respect to a imaginary circle whose center is with an imaginary axis of rotation 33 (FIG. 2) coincides, lie on an equal diameter and the same diameter are radially adjustable and lockable.
  • the reference numeral 6 denotes a lever for a plurality of Spray arms, with each of these numerous spray arms in multiple levels are arranged one above the other, which will be described below. In every Plain, many of these spray arms are approximately circular or polygonal arranged. In each level of these spray arms are also numerous Swivel lever 7 is provided for the spray arms, with which the spray arms over parallel and spaced apart in the vertices of an imaginary Triangle or an imaginary trapezoid arranged pivot axes are pivotally connected. In this case, by the reference numeral 8.1 Spray arms for the upper level, with 8.2 spray arms for a middle level and with 8.3 spray arms for a lower level.
  • the spray arms are 8.1 and 8.2 respectively 8.3 in the same level each formed the same and with the same Kinematics arranged adjustable to each other. It is also conceivable in all Level the spray arms 8.1, 8.2 and 8.3 the same and with the same kinematics embody. As can be seen from Fig. 1, the spray arms are 8.1, 8.2 and 8.3 formed as tubes having at their ends spray nozzles (not shown) can have. Instead of spray nozzles but can also on the pipes their ends are open, that is, so the same flow cross-section as the tubes of the spray arms 8.1, 8.2 and 8.3 have themselves.
  • the Spray arms 8.1 and 8.3 have mutually perpendicular bent ends, such that the spray arms 8.1, which are in the upper level, with their Orifices or spray nozzles are directed downwards while the bent ends of the spray arms 8.3 are directed upward, namely preferably such that the longitudinal axes of the spray openings or spray nozzles the upper and lower levels are coaxial with each other, which but not necessarily condition.
  • the spray arms 8.1 run in the essentially radially or at an acute angle from an imaginary horizontal Level directed upwards, but also not conditional is.
  • All spray arms 8.1, 8.2 and 8.3 are each connected to a coolant supply connected.
  • coolant or cooling medium tap water quality water, but also water with additives, for example hardening additives, Emulsions or the like come into consideration.
  • water with a suitable gas, especially air to mix or the Sprüharmen one and the same level a liquid cooling medium or a Supply gas medium sequentially or simultaneously. That's the way it is, for example possible, a group of Sprüharmen a liquid cooling medium and a another group of spray arms of the same spray level a gaseous Supply cooling medium.
  • the spray arms 8.1, 8.2 and 8.3 of each level are connected to one as a ring bus trained Sprating 16 or 17 or 18 connected, each controlled via a supply line 27 or 28 or 29, the cooling medium or regulated via suitable multi-way valves, shut-off devices or the like (not shown) is supplied via a central control unit (also not shown) are operated. Also the respective Coolant source, pumps, etc. are for the sake of clarity not shown.
  • the spray arms 8.1, 8.2 and 8.3 are each about Swivel axes with the apparent in Fig. 1 top view approximately trapezoidal Swing levers 7 connected.
  • the spray arms 8.1 and 8.3 with their mouth openings or spray nozzles over the entire diameter spectrum over which they to spray, a defined track on each to be treated rotationally symmetric Body 21, for example on a wheel or tire, taking.
  • the rotationally symmetric Body 21 in the illustrated embodiment simultaneously from above and from below over in one level, for example, in the upper level Spray holes or spray nozzles of the spray arms 8.1 each in total Width of the surface area to be treated sprayed with cooling medium becomes.
  • a rotary actuator in the form of alternately on both sides Pressure medium pressure, for example hydraulically or pneumatically, to beauf leastder Piston-cylinder unit indicated, the cylinder on a machine stand 1 is fixed while its piston rod via a vertical Pivot axis with a pivot arm 11 for an upper leaf or Hub cooling device is connected.
  • This swing arm 11 for the upper blade or hub cooling device of rotationally symmetrical body 21 also has an inlet 26 for the Cooling medium, for example air or water, which is formed as a tube and having a horizontal and a vertical length portion.
  • the Hub cooling device 13 is used to cool the hub in the illustrated embodiment designed as a railway carriage 21 rotationally symmetric body, while at 14 an upper Leaf cooling device and at 15 a lower leaf cooling device is arranged, each with numerous parallel tubes with at their ends open mouth openings or spray nozzles used having.
  • the upper leaf cooling device 14 is connected to a supply line 34 for the cooling medium and the lower leaf cooling device 15 to a Supply line 24 connected.
  • the two lines 24 and 34 is the Coolant also controlled or regulated via not shown Shut-off valves and control organs supplied by the same central control station can be controlled or regulated as the other device parts and drives also.
  • the feed line 34 of the upper leaf cooling device 14 is connected to a box-shaped inlet 35 connected to the multiple groups of nozzles or lines, similar to the apparent from Fig. 2 upper leaf cooling device 14, can be connected.
  • the tubes of the upper leaf cooling device 14 can be tangential (Fig. 1), which in case of need also for the upper and lower spray arms 8.1, 8.3 and possibly also for the Sprayer arms 8.2 may apply the side skip cooling. This results There is a rotating flow of coolant, which has a certain centrifugal effect exposed, whereby the coolant to be cooled after hitting the rotationally symmetrical body 21 thrown outward becomes.
  • Fig. 1 From Fig. 1 it can be seen that the pivot arm 11 for the upper leaf and Hub cooling in the direction of A or B in a horizontal plane pivotally and in the direction C and V (Fig. 2) via a lifting cylinder 19 also vertically movable is arranged.
  • this lifting cylinder 19 is also to a piston-cylinder unit, which alternately on both sides by pressure medium pressure, For example, hydraulically or pneumatically, is to act upon and the piston rod via a horizontal axis with the Swivel bearing is coupled for the blade and hub cooling.
  • the registered Double arrow in Fig. 2 illustrates the adjustment of the lifting cylinder 19th
  • each of the machine stands 1 is a roller guide 22 for the drive rollers 4 provided that a slight horizontal adjustment in the direction X or Y of the shaft for the respective drive roller 4 over the axial Actuator 5 allow.
  • a pressurized water descaling device which at least one, preferably numerous, high pressure descaling glands has, over the water under pressure for descaling the rotationally symmetric Body 21 can be fed. Similar nozzles can be on the side the body 21 and be provided below (not shown) or at others Adjust, for example, at the hub and at the leaf tops and bottoms the rotationally symmetric body 21 at all required points To be able to descalate pressurized water.
  • the pressurized water descaling device 30 is formed via a line 31 designed as water supply water supplied under pressure, which is provided via an optionally controllable pump is (not shown). Suitable shut-off devices are not shown, also not the control and regulating device for at least one pump for the Pressure water.
  • At 32 is formed as a temperature camera temperature monitoring device indicated in a suitable way with the central control and Regulatory status is connected and in the following to be described Way included in the control loop is.
  • a lifting device which also consists of a strong, alternating both sides with pressure medium pressure, in particular with hydraulic fluid to be acted upon piston-cylinder unit, by a not shown pressure medium source, the pressure medium is supplied.
  • the rotationally symmetric body 21 for example, a railway wheel, raised to z. B. to remove from the device.
  • the piston rod be extended so that an abutment 36 in the opening of the Hub 37 engages.
  • pressure medium is then lowered the lifting device in the vertical direction until the tread on the three drive rollers 4 rests.
  • an unillustrated collecting funnel for scale and cooling medium may be arranged below the device.
  • a suitable conveyor for conveying away the cooling medium and / or the scale is also not shown.
  • a separator by which the scale is separated from the cooling medium was not shown for reasons of simplification.
  • circular rotationally symmetrical body 21 such as wheels and rings can also gears or sprockets in a device according to the invention be treated.
  • the coolant inlet for the upper leaf cooling device is designated.
  • the warm to be treated for example, preferably above the GOS point heated rotationally symmetric body 21, for example a railway wagon wheel, is introduced by means of a manipulator in the device.
  • the swing arm 11 for the upper blade and hub cooling is previously raised by appropriate pressure medium of the lifting cylinder 19 and from the working space of the machine laterally in the direction B through the Swivel drive 9 swung away.
  • the lifting cylinder 20 is replaced by appropriate Pressurized pressurized, so that the abutment 36 is in the upper position and the rotationally symmetrical body, For example, a railway carriage wheel 21 can accommodate.
  • the Spray arms 8.1 and 8.2 are pivoted outwards to a larger radius as they are later pivoted into working position.
  • the spray arms 8.3 and the drive rollers 4 are in working position.
  • the automatic manipulator now sets the workpiece 21 and outputs a signal to the programmable logic Control (PLC - not shown) of the device.
  • PLC programmable logic Control
  • the lifting cylinder 20 moves by appropriate pressure medium in its opposite direction, that is, down, and preferably until reaching his final position. If this position is reached, hold the rotary actuators 3, the signal, the drive rollers 4 with the corresponding Turning operation necessary speed.
  • the next step in the process is the tread on the front, top and bottom sides desalted desalted, via the Druckiganentzu mattersvortechnisch 30 and 31.
  • the scale and the pressurized water fall down in a collection funnel, from where they are transported away.
  • the temperature monitoring device detects in shape the temperature camera 32, for example, the running-crown temperature of the rotationally symmetric Body 21 and gives throughout the treatment Measured temperature to the PLC for target / actual comparison. In the PLC will due to the measured temperature, for example, the amount of cooling medium and / or but the cooling time set.
  • the spray arms 8.1 and 8.2 pivot into the working position by appropriate actuation of a motor drive of the control lever 6.
  • a suitable cooling medium for example water and / or air regulated or controlled supplied via the supply lines and z. B. according to one the program number controlled in the PLC with the corresponding program number Pressure and the appropriate amount of the body 21 given.
  • the supply of the cooling medium to the Sprüharmen 8.1, 8.2 and 8.3 and the hub cooling 13 and the upper and lower leaf cooling 14 and 15 off and the drive rollers 4 remain stand.
  • the lifting cylinder 20 is the rotationally symmetric Body 21, for example, a railway car wheel, lift and to the (Not shown) in the process control or regulating manipulator involved to be removed.
  • the device according to the invention thus enables in one and the same device both the descaling as well as a targeted Microstructure treatment and microstructure adjustment of predetermined areas of the rotationally symmetric Body 21.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
EP00127596A 2000-12-15 2000-12-15 Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall Expired - Lifetime EP1215291B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES00127596T ES2239998T3 (es) 2000-12-15 2000-12-15 Procedimiento para refrigerar y tratar cuerpos calentados con simetria de rotacion, a partir de materiales metalicos como acero o aleaciones de acero y dispositivo para ejecutar el procedimiento.
EP00127596A EP1215291B1 (de) 2000-12-15 2000-12-15 Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall
DE50010412T DE50010412D1 (de) 2000-12-15 2000-12-15 Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall
AT00127596T ATE296361T1 (de) 2000-12-15 2000-12-15 Vorrichtung zum abkühlen und behandeln erhitzter rotationssymmetrischer körper aus metall
PCT/EP2001/014613 WO2002048411A1 (de) 2000-12-15 2001-12-12 Verfahren zum abkuhlen und behandeln erhitzter, rotationssymetrischer korper aus metallischen werkstoffen wie stahl
UA2003076595A UA76970C2 (en) 2000-12-15 2001-12-12 Device for cooling and treating heated rotationally symmetrical bodies made of metallic materials, like steel
RU2003121396/02A RU2277132C2 (ru) 2000-12-15 2001-12-12 Устройство для охлаждения и обработки нагретых деталей, имеющих форму тел вращения, из металлических материалов, таких, как сталь, и способ охлаждения и обработки нагретых деталей

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00127596A EP1215291B1 (de) 2000-12-15 2000-12-15 Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall

Publications (2)

Publication Number Publication Date
EP1215291A1 EP1215291A1 (de) 2002-06-19
EP1215291B1 true EP1215291B1 (de) 2005-05-25

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EP00127596A Expired - Lifetime EP1215291B1 (de) 2000-12-15 2000-12-15 Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall

Country Status (7)

Country Link
EP (1) EP1215291B1 (ru)
AT (1) ATE296361T1 (ru)
DE (1) DE50010412D1 (ru)
ES (1) ES2239998T3 (ru)
RU (1) RU2277132C2 (ru)
UA (1) UA76970C2 (ru)
WO (1) WO2002048411A1 (ru)

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WO2012016566A2 (de) 2010-08-05 2012-02-09 Stefan Morgenstern Und Heiko Jaeger Gbr Verfahren zur wärmebehandlung des radkranzes von schienenfahrzeugrädern

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DE10352622A1 (de) * 2003-11-12 2005-06-16 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zum Abschrecken von Werkstücken
GB0507575D0 (en) 2005-04-14 2005-05-18 Novartis Ag Organic compounds
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FR2940978B1 (fr) 2009-01-09 2011-11-11 Fives Stein Procede et section de refroidissement d'une bande metallique en defilement par projection d'un liquide
EP2366806B1 (en) 2010-03-09 2015-06-17 General Forni S.R.L. Machine for performing heat treatment of mechanical parts shaped like a solid of rotation, in particular for hardening railroad wheels or the like
RU2471875C1 (ru) * 2011-08-09 2013-01-10 Зуфар Гарифуллинович САЛИХОВ Способ производства горячекатаной листовой стали
DE102011054718B4 (de) 2011-10-21 2014-02-13 Hitachi Power Europe Gmbh Verfahren zur Erzeugung einer Spannungsverminderung in errichteten Rohrwänden eines Dampferzeugers
RU2480528C1 (ru) * 2011-10-31 2013-04-27 Зуфар Гарифуллинович САЛИХОВ Способ охлаждения движущейся стальной горячекатаной полосы
US20140367898A1 (en) * 2013-06-12 2014-12-18 Firth Rixson Limited Cooling systems for heat-treated parts and methods of use
DE102016102093B3 (de) * 2016-02-05 2017-06-14 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Durchlaufkühlvorrichtung und Verfahren zum Abkühlen eines Metallbandes
DE102016110677B4 (de) * 2016-06-09 2018-07-12 Ebner Industrieofenbau Gmbh Temperiervorrichtung für Bauteile
CA3057052A1 (en) * 2017-03-31 2018-10-04 Nippon Steel Corporation Method for producing railway wheel and railway wheel
RU2655875C1 (ru) * 2017-06-07 2018-05-29 Акционерное общество "Федеральный научно-производственный центр "Нижегородский научно-исследовательский институт радиотехники" Способ закалки тонкостенных длинномерных деталей из стали 12х2нвфа в управляемом потоке воздуха
CN111979385B (zh) * 2020-07-06 2022-04-12 浙江久恒光电科技有限公司 大直径滚轮的高效淬火装置
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CN101506391B (zh) * 2006-09-28 2011-09-14 罗兹埃德公司 无缝地在径向轴向环轧机上制造的环的热机械处理方法
WO2012016566A2 (de) 2010-08-05 2012-02-09 Stefan Morgenstern Und Heiko Jaeger Gbr Verfahren zur wärmebehandlung des radkranzes von schienenfahrzeugrädern
DE102010033473A1 (de) 2010-08-05 2012-06-28 Stefan Morgenstern und Heiko Jaeger GbR ( vertretungsberechtigte Gesellschafter Jaeger Heiko, 09131 Chemnitz, DE; Morgenstern Stefan, 09577 Niederwiesa, DE ) Verfahren zur Wärmebehandlung des Radkranzes von Schienenfahrzeugrädern

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ES2239998T3 (es) 2005-10-16
WO2002048411A1 (de) 2002-06-20
RU2277132C2 (ru) 2006-05-27
EP1215291A1 (de) 2002-06-19

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