EP1651788B2 - Procede de Trempe d'une piece Moulee - Google Patents

Procede de Trempe d'une piece Moulee Download PDF

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Publication number
EP1651788B2
EP1651788B2 EP04738672.7A EP04738672A EP1651788B2 EP 1651788 B2 EP1651788 B2 EP 1651788B2 EP 04738672 A EP04738672 A EP 04738672A EP 1651788 B2 EP1651788 B2 EP 1651788B2
Authority
EP
European Patent Office
Prior art keywords
casting
quenching
temperature
hours
solution heat
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
EP04738672.7A
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German (de)
English (en)
Other versions
EP1651788B9 (fr
EP1651788A2 (fr
EP1651788B1 (fr
Inventor
Markus Belte
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.)
Belte AG
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Belte AG
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33521369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1651788(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Belte AG filed Critical Belte AG
Priority to PL04738672T priority Critical patent/PL1651788T5/pl
Publication of EP1651788A2 publication Critical patent/EP1651788A2/fr
Publication of EP1651788B1 publication Critical patent/EP1651788B1/fr
Application granted granted Critical
Publication of EP1651788B2 publication Critical patent/EP1651788B2/fr
Publication of EP1651788B9 publication Critical patent/EP1651788B9/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
    • 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

Definitions

  • the invention relates to a method for heat treating a casting according to the preamble of claim 1.
  • the invention has the features of claim 1.
  • the quenching is performed by supplying room air of a predetermined flow rate, so that the production complexity can be kept relatively low.
  • the inventive method enables improved mechanical properties of the casting as well as a delay minimization. This is achieved by optimally coordinating the process steps “solution annealing”, “quenching” and “heat aging”.
  • the embodiment relates to the production of a wheel 1 according to FIG. 1 ,
  • the wheel 1 is designed as a light metal wheel, preferably made of an aluminum alloy.
  • the inventive method can also be used for the production of, for example, cylinder heads or crankcases.
  • the light metal wheel 1 according to FIG. 1 and 2 It consists essentially of a rim 2, a hub portion 3 and a plurality of spokes 4 extending radially outward from the hub portion 3.
  • a die-cast part made of an aluminum alloy (aluminum-silicon-magnesium alloy, AlSiMg) is cast in a casting mold (not shown).
  • the casting 1 is made by die casting. It can be made using a sand casting process in a sand mold or by a chill casting.
  • the casting may be X-rayed to identify any unwanted holes.
  • a solution annealing of the casting 1, in which the casting 1 is held for six hours to a temperature of about 535 ° C is carried out.
  • the solution annealing may be carried out at a solution annealing temperature between 500 ° C and 550 ° C depending on the shape of the casting 1.
  • the solution annealing time may be in the range of four to eight hours.
  • the quenching of the casting 1 by means of a gaseous quenching medium takes place.
  • a gaseous quenching medium serves as a quenching medium, the room air, which is sucked by means of a blower 5 and passed at a predetermined flow rate in a receiving chamber 6, in which the casting 1 is arranged.
  • the casting is positioned with a rear horn 7 of the rim 2 on a grid-shaped bottom 8.
  • the bottom 8 has at a regular distance arranged passages 9 and slots through which the room air can flow according to the direction of arrow 10 in the receiving chamber 6.
  • the flow rate of the room air can be in a range of 30 to 70 m / s.
  • the casting 1 is cooled from 535 ° C to 150 ° C within a few minutes, for example within two to three minutes.
  • the initial temperature of the casting 1 may be in a range of 490 ° C to 540 ° C.
  • the wall thickness d 1 of the rim 2 is substantially smaller than the wall thickness d 2 of the hub portion 3 and the spokes 4.
  • the casting 1 is due to its own weight on the grid-shaped bottom 8. Due to the arrangement is in a temperature range of 480 ° C to 550 ° C for a period of one to the rim 2, which extends substantially parallel to the air flow direction 10 and which is arranged on a side facing the passages 9 of the die-cast part 1, and the fact that the wall thickness d 1 of the rim 2 is substantially smaller than the wall thickness d 2 of the rest.
  • the temperature t 1 in the region of the rim 2 is smaller during the quenching process than the temperature t 2 in the hub / spoke area 3, 4
  • the rim 2 serves more or less as a cooling rib for the cooling of the hub / spoke area 3, 4 and thus favors a temperature compensation, wherein a sliding transition of the strength values from the rear horn 7 and from the rim base 2 in the direction of the Hub area 3 completes.
  • the rim well may have a hardness value that is 10% to 20% higher than the hardness value in the region of the hub 3 of the casting 1. While a high strength value is formed in the region of the rim 2, the strength value in the region of the hub 3 is substantially lower so that in an advantageous manner, the damping properties of the light metal wheel 1 when used for example in a motor vehicle can be significantly improved. Dynamic mechanical stresses can be much better absorbed without damaging the wheel 1 occurs. Advantageously, there is an increase in the damping comfort. Axle damage can be avoided especially with rims large width.
  • the cast part 1 is subjected to a heat aging, which may have a duration of 30 minutes to 10 hours.
  • the heat aging time for the described casting 1 may be 5 hours while maintaining the temperature in a range between 155 ° C and 200 ° C.
  • the casting 1 is then fed to a machining operation.
  • the fan 5 is associated with a control device ST, which adjusts or regulates the flow velocity of the introduced through the fan 5 in the receiving chamber 6 room air flow.
  • the control device ST has electronic control means, such that a fan of the blower 5, for example, at a room temperature of 20 ° C generates a flow velocity of 40 m / s.
  • the control circuit 11 causes an increase in the rotational speed of the fan 5, so that, for example, a flow velocity of 50 m / s is achieved.

Landscapes

  • 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)

Claims (4)

  1. Procédé de traitement thermique d'une pièce moulée en métal, notamment en métal léger, la pièce moulée étant coulée, subissant un recuit de mise en solution, étant trempée au moyen d'un moyen de trempe contenant de l'air et étant alimentée en une précipitation à chaud, dans lequel
    - la pièce moulée (1) subit un recuit de mise en solution dans une période de quatre à huit heures à une température de recuit de mise en solution comprise entre 500° et 550°C,
    - la pièce moulée (1) est trempée de la température de recuit de mise en solution en l'espace de quelques minutes par écoulement de contournement de l'air ambiant à une vitesse d'écoulement comprise entre 30 m/s et 70 m/s et
    - la pièce moulée (1) est soumise pendant une période de 30 minutes à 10 heures à une température dans une plage comprise entre 155° et 200°C à la précipitation à chaud.
  2. Procédé selon la revendication 1, caractérisé en ce que la pièce moulée (1) est fabriquée par moulage sous pression.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la pièce moulée (1) est fabriquée en un alliage d'aluminium, notamment en un alliage d'aluminium, de silicium et de magnésium (AlSiMg).
  4. Utilisation du procédé selon l'une quelconque des revendications 1 à 3 de fabrication d'une roue (1) ou d'une culasse de cylindre ou d'un carter de vilebrequin.
EP04738672.7A 2003-07-04 2004-06-16 Procede de Trempe d'une piece Moulee Expired - Lifetime EP1651788B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04738672T PL1651788T5 (pl) 2003-07-04 2004-06-16 Sposób hartowania odlewu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10330400A DE10330400A1 (de) 2003-07-04 2003-07-04 Verfahren und Vorrichtung zum Abschrecken eines Gussteils
PCT/DE2004/001220 WO2005007917A2 (fr) 2003-07-04 2004-06-16 Procede et dispositif de trempe d'une piece moulee

Publications (4)

Publication Number Publication Date
EP1651788A2 EP1651788A2 (fr) 2006-05-03
EP1651788B1 EP1651788B1 (fr) 2008-05-14
EP1651788B2 true EP1651788B2 (fr) 2014-03-12
EP1651788B9 EP1651788B9 (fr) 2014-06-11

Family

ID=33521369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04738672.7A Expired - Lifetime EP1651788B9 (fr) 2003-07-04 2004-06-16 Procede de Trempe d'une piece Moulee

Country Status (5)

Country Link
EP (1) EP1651788B9 (fr)
AT (2) ATE395443T1 (fr)
DE (3) DE10330400A1 (fr)
PL (1) PL1651788T5 (fr)
WO (1) WO2005007917A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024524A1 (de) * 2008-05-21 2009-11-26 Bdw Technologies Gmbh Verfahren und Anlage zur Herstellung eines Gussbauteils
DE102011052514B4 (de) * 2011-08-09 2018-04-19 Ks Huayu Alutech Gmbh Verfahren zur Vergütung eines durch Druckgießen hergestellten Zylinderkurbelgehäuses
DE102012108590A1 (de) * 2011-10-11 2013-04-11 Ksm Castings Group Gmbh Gussstück
EP3725900A1 (fr) 2019-04-17 2020-10-21 Mubea Performance Wheels GmbH Composant, procédé et dispositif permettant de tremper un composant
DE102020100699A1 (de) * 2020-01-14 2021-07-15 Audi Aktiengesellschaft Verfahren zum Herstellen einer Kraftwagenfelge aus Aluminium oder einer Aluminiumlegierung für ein Rad eines Kraftfahrzeugs sowie entsprechende Kraftwagenfelge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629517A (en) † 1982-12-27 1986-12-16 Aluminum Company Of America High strength and corrosion resistant aluminum article and method
EP1057900B1 (fr) † 1999-06-04 2001-08-08 VAW Aluminium AG Culasse et bloc cylindre moulé

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD82952A (fr) *
DE3443226C1 (de) * 1984-11-27 1986-03-13 Årdal og Sunndal Verk A/S, Oslo Verfahren und Vorrichtung zur Verbesserung der dynamischen Festigkeit von Radscheiben von Fahrzeugraedern aus aushaertbaren Aluminiumlegierungen
DE3724928A1 (de) * 1987-07-28 1989-02-16 Bayerische Motoren Werke Ag Herstell-verfahren fuer leichtmetallguss-bauteile, insbesondere leichtmetallguss-raeder fuer personenkraftwagen
JPH0238545A (ja) * 1988-07-27 1990-02-07 Asahi Tec Corp 車両用ホイールの熱処理法
DE69033755T2 (de) * 1989-03-07 2002-05-29 Aluminum Company Of America, Alcoa Center Verfahren und Vorrichtung zum Vakuumdruckgiessen
EP0425461A1 (fr) * 1989-10-27 1991-05-02 Sandvik Special Metals Corp. Traitement thermique en continue de mise en solution des alliages durcissables par précipitation
DE4305091C1 (de) * 1993-02-19 1994-03-10 Fuchs Otto Fa Verfahren zur Herstellung eines einteiligen Leichtmetallrades aus einem Aluminium-Knetwerkstoff
JPH071111A (ja) * 1993-06-16 1995-01-06 Kosei Aruminiyuumu Kogyo Kk アルミニウム合金製車輪の製造装置
US5662750A (en) * 1995-05-30 1997-09-02 Kaiser Aluminum & Chemical Corporation Method of manufacturing aluminum articles having improved bake hardenability
US5810949A (en) * 1995-06-07 1998-09-22 Aluminum Company Of America Method for treating an aluminum alloy product to improve formability and surface finish characteristics
DE19524176C1 (de) * 1995-07-03 1996-09-26 Daimler Benz Ag Verfahren zum Zwischenabschrecken von aus einem Lösungs-Glühofen kommenden Leichtmetall-Gußstücken
US6074599A (en) * 1998-07-20 2000-06-13 Ghafari Associates, Inc. Air quenching chamber
EP1041165A1 (fr) * 1999-04-02 2000-10-04 Kabushiki Kaisha Kobe Seiko Sho Matériau amortissant les chocs
DE10043562C2 (de) * 1999-09-16 2003-09-18 Honsel Profilprodukte Gmbh Verfahren zur Wärmebehandlung von Strangpreßprofilen
DE10002021C2 (de) * 1999-09-24 2002-10-17 Honsel Guss Gmbh Verfahren zur Wärmebehandlung von Strukturgußteilen aus einer dafür zu verwendenden Aluminiumlegierung
ES2211617T3 (es) * 1999-09-24 2004-07-16 Honsel Guss Gmbh Procedimiento para el tratamiento termico de piezas estructurales de fundicion de una aleacion de aluminio que debe ser utilizada para ello.
GB2361710A (en) * 2000-02-11 2001-10-31 Ford Global Tech Inc Precipitation hardening of aluminium castings
DE10222098B4 (de) * 2002-05-17 2011-01-13 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Wärmebehandlung von einem Bauteil aus einer härtbaren Leichtmetalllegierung
DE10235529A1 (de) * 2002-08-03 2004-02-12 Daimlerchrysler Ag Gussteil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629517A (en) † 1982-12-27 1986-12-16 Aluminum Company Of America High strength and corrosion resistant aluminum article and method
EP1057900B1 (fr) † 1999-06-04 2001-08-08 VAW Aluminium AG Culasse et bloc cylindre moulé

Also Published As

Publication number Publication date
PL1651788T5 (pl) 2014-06-30
WO2005007917A3 (fr) 2005-03-24
EP1651788B9 (fr) 2014-06-11
AT12609U1 (de) 2012-08-15
DE20320840U1 (de) 2005-03-31
PL1651788T3 (pl) 2008-10-31
EP1651788A2 (fr) 2006-05-03
EP1651788B1 (fr) 2008-05-14
DE10330400A1 (de) 2005-01-20
WO2005007917A2 (fr) 2005-01-27
DE502004007161D1 (de) 2008-06-26
ATE395443T1 (de) 2008-05-15

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