EP1250204B1 - Procede pour fabriquer des pieces en alliage leger - Google Patents

Procede pour fabriquer des pieces en alliage leger Download PDF

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Publication number
EP1250204B1
EP1250204B1 EP00993697A EP00993697A EP1250204B1 EP 1250204 B1 EP1250204 B1 EP 1250204B1 EP 00993697 A EP00993697 A EP 00993697A EP 00993697 A EP00993697 A EP 00993697A EP 1250204 B1 EP1250204 B1 EP 1250204B1
Authority
EP
European Patent Office
Prior art keywords
preform
graphite
forging
casting
container
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
EP00993697A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1250204A1 (fr
Inventor
Emile Di Serio
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.)
Saint Jean Industries SAS
Original Assignee
Saint Jean Industries SAS
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
Application filed by Saint Jean Industries SAS filed Critical Saint Jean Industries SAS
Publication of EP1250204A1 publication Critical patent/EP1250204A1/fr
Application granted granted Critical
Publication of EP1250204B1 publication Critical patent/EP1250204B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • B22D31/002—Cleaning, working on castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/002—Hybrid process, e.g. forging following casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • 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

Definitions

  • the invention relates to the technical sector of the manufacture of light alloy parts, in particular aluminum, obtained in foundry, forging and similar processes.
  • EP 119.365 discloses a specific process called COBAPRESS which combines the techniques of foundry and forging of aluminum or aluminum alloy parts.
  • this process consists of casting aluminum or aluminum alloy in a mold and after casting, to release the part still hot called preform at a temperature of the order of 400 ° C at 500 ° C, we place it between two matrices or parts of a matrix defining a footprint of dimensions slightly smaller than those of the mold, which correspond to those of the final piece, the two shells or parts being strongly pressed against each other to exert on the casting preform put between the parts of the dies a combined effect of core pressing and surface dressing.
  • COBAPRESS 2 therefore makes it possible to reduce production time and manufacturing cost so significant parts, while obtaining the same characteristics of the parts compared to the teaching of the COBAPRESS process described in the EP patent 119,365.
  • the aim sought after according to the invention was therefore to ensure optimization of the initial COBAPRESS process of cast-forged light alloy.
  • the applicant has attempted to optimize the COBAPRESS process as defined by the aforementioned prior patents.
  • a first step was to focus on improving the conditions for depositing graphite in the forging matrix by spraying the graphite solution on the forging matrix, with better control of the distribution using robots. In practice, this solution is not very satisfactory, because it still requires human intervention, and the costs and environmental problems are still there.
  • the process for manufacturing the light alloy parts according to the invention requires installation with five successive specific zones covering the different stages of the process.
  • the first zone (Z1) corresponds to the casting of the light alloy in a mold (1) enabling a preform (2) to be obtained under the conditions previously recalled.
  • the second zone (Z2) corresponds to the transfer of the preform (2) heated in a tank (3) for immersion and graphitation by coating the preform (2).
  • the bath is a solution of graphite and water.
  • a phase (Z3) of drying the preformed part is provided out of the bath.
  • the following zone (Z4) corresponds to the transfer of the preform dried graphite in the tunnel oven (4) for homogenization in temperature.
  • the following zone (Z5) corresponds to the exit of the tunnel oven from the preform to be then forged in a matrix (5) which is the object less and faster lubrication limited to the burr bead depending on the conditions mentioned above, then cooled to temperature ambient or accelerated or drenched.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Mold Materials And Core Materials (AREA)
EP00993697A 1999-12-29 2000-12-27 Procede pour fabriquer des pieces en alliage leger Expired - Lifetime EP1250204B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9916831 1999-12-29
FR9916831A FR2803232B1 (fr) 1999-12-29 1999-12-29 Procede perfectionne pour fabriquer des pieces en alliage leger
PCT/FR2000/003703 WO2001049435A1 (fr) 1999-12-29 2000-12-27 Procede perfectionne pour fabriquer des pieces en alliage leger

Publications (2)

Publication Number Publication Date
EP1250204A1 EP1250204A1 (fr) 2002-10-23
EP1250204B1 true EP1250204B1 (fr) 2003-07-30

Family

ID=9554133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00993697A Expired - Lifetime EP1250204B1 (fr) 1999-12-29 2000-12-27 Procede pour fabriquer des pieces en alliage leger

Country Status (12)

Country Link
US (1) US20020166357A1 (zh)
EP (1) EP1250204B1 (zh)
JP (1) JP5025870B2 (zh)
KR (1) KR100730711B1 (zh)
CN (1) CN1221348C (zh)
AT (1) ATE246063T1 (zh)
AU (1) AU771366B2 (zh)
CA (1) CA2396043C (zh)
DE (1) DE60004271T2 (zh)
ES (1) ES2204753T3 (zh)
FR (1) FR2803232B1 (zh)
WO (1) WO2001049435A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2164999A1 (de) * 2007-07-09 2010-03-24 Bharat Forge Aluminiumtechnik GMBH & CO. KG Giessen-schmieden von knetlegierungen

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US20040221931A1 (en) * 2002-09-09 2004-11-11 Asahi Tec Corporation Aluminum cast -forged product and method for manufacturing aluminum cast-forged product
JP4712040B2 (ja) * 2004-08-04 2011-06-29 エルジー エレクトロニクス インコーポレイティド ネットワーク間のローミングを提供するブロードキャスト／マルチキャストサービスシステム及び方法
DE102006036369B4 (de) * 2006-08-02 2009-04-09 Kahn, Friedhelm, Prof. Dr. Ing. Verfahren und Vorrichtung zur Herstellung von Bauteilen durch integriertes Schmelzen, Gießen und Umformen
FR2958193B1 (fr) * 2010-04-06 2012-06-29 Saint Jean Ind Procede de fabrication de pieces forgees en alliage leger incorporant des sections pleines ou tirees d'epaisseur
FR2985205B1 (fr) * 2011-12-29 2014-01-10 Saint Jean Ind Procede de poteyage de matrice de forge dans la mise en oeuvre de pieces obtenues par deux operations successives de coulage de fonderie puis de forge
DE102012100458A1 (de) * 2012-01-20 2013-07-25 Martinrea Honsel Germany Gmbh Verfahren zur Herstellung eines mit mindestens einem Hohlraum versehenen Leichtmetall-Bauteils
US20140261904A1 (en) * 2013-03-13 2014-09-18 Consolidated Engineering Company, Inc. System and method for formation and processing of high pressure die cast metal articles
DE102014101609A1 (de) * 2014-02-10 2015-08-13 Ertl Automation Gmbh & Co. Kg Verfahren zum Kühlen eines Gussbauteils
KR20160123766A (ko) 2015-04-17 2016-10-26 주식회사 엘지에스 웨이퍼 세정 장치
CN112404411A (zh) * 2020-11-21 2021-02-26 冯柏松 一种铝合金铸造方法及铝合金铸造系统
CN113751639A (zh) * 2021-07-28 2021-12-07 韩有良 深海探测潜水艇高压壳体锻造设备

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2164999A1 (de) * 2007-07-09 2010-03-24 Bharat Forge Aluminiumtechnik GMBH & CO. KG Giessen-schmieden von knetlegierungen

Also Published As

Publication number Publication date
AU771366B2 (en) 2004-03-18
CA2396043A1 (fr) 2001-07-12
DE60004271D1 (de) 2003-09-04
JP5025870B2 (ja) 2012-09-12
CN1221348C (zh) 2005-10-05
WO2001049435A1 (fr) 2001-07-12
JP2003527966A (ja) 2003-09-24
CA2396043C (fr) 2009-04-21
EP1250204A1 (fr) 2002-10-23
ES2204753T3 (es) 2004-05-01
KR20020086877A (ko) 2002-11-20
FR2803232B1 (fr) 2002-04-26
CN1414890A (zh) 2003-04-30
DE60004271T2 (de) 2004-04-22
US20020166357A1 (en) 2002-11-14
KR100730711B1 (ko) 2007-06-21
AU2860501A (en) 2001-07-16
FR2803232A1 (fr) 2001-07-06
ATE246063T1 (de) 2003-08-15

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