EP1219367A1 - Procede de fabrication de pieces moulees puis forgees comprenant un ou des evidements et installation de mise en oeuvre - Google Patents
Procede de fabrication de pieces moulees puis forgees comprenant un ou des evidements et installation de mise en oeuvre Download PDFInfo
- Publication number
- EP1219367A1 EP1219367A1 EP01420234A EP01420234A EP1219367A1 EP 1219367 A1 EP1219367 A1 EP 1219367A1 EP 01420234 A EP01420234 A EP 01420234A EP 01420234 A EP01420234 A EP 01420234A EP 1219367 A1 EP1219367 A1 EP 1219367A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- preform
- foundry
- recess
- forged
- forging
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
-
- 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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- 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
Definitions
- the invention relates to the technical sector of the manufacture of parts in light alloy such as aluminum alloy, cast in foundry and then forged. Many parts are made in the foundry and then forged according to the COBAPRESS process, subject of European patent n ° 119 365 for light alloys, especially aluminum. These parts often require additional machining operations to make bores or recesses or blind holes which are directly related to the use and applications of the part itself on more products or less complex. In this case, it is then necessary after the operation of foundry and forging, to transfer the considered parts to other workstations, to perform the necessary shaping operations, such as that machining for the production of recesses and cavities present on the final product.
- the manufacturing process according to the invention of molded and forged parts applies to all parts of any shape likely to present to the final state of shaping one or more openings or cavities or blind, useful and functional or with a simple lightening function.
- the parts are made of light alloy such as aluminum alloy.
- FIG. 1 shows a preformed part (1) cast in a foundry having a sleeve part (1a) and a tab (1b), and this simply as an example for understanding the invention.
- Said sleeve (1b) internally has a recess (1c) which can be established on all or part of its length.
- the joint plane (P), the longitudinal axis is shown.
- This part is intended to be obtained according to the COBAPRESS process defined in European patent n ° 119 365, implementing operations successive casting in foundry then forging for alloy parts lightweight, such as aluminum alloy. Between casting and forging, there is an intermediate operation to introduce the part to the foundry preform state, in a tunnel oven for heating, ensuring its temperature homogenization, then its transfer to the forging. Said foundry preform thus presents one or more recesses or cavities.
- the forging tool is arranged around the matrix of strikes, with one or more spindle translation mechanisms (2) intended to be temporarily positioned in the foundry preform at through the corresponding recess (s) (1c), during the forging said preform. More specifically, the foundry preform is positioned in the lower striking die (3), the die upper being raised. The positioning of the foundry preform in the lower forging die is such that the one or more recesses are in look at the longitudinal axis (Y-Y) of movement of the spindle (s), the two axes (X-X) (Y-Y) coinciding.
- the spindle (s) are urged to move by means of actuator type (5) or equivalent. Order on the go spindles are carried out as part of production automation, directly related to the complete parts manufacturing process.
- the profile of the pin (s) is established to get as close as possible to the profile of the recess made in the finished part.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
Description
Le demandeur, en tenant compte de l'ensemble de ces informations, a ainsi développé selon l'invention un nouveau procédé de fabrication de pièces moulées puis forgées, conservant les évidements de la préforme coulée, supprimant toute ou partie des opérations d'usinage ultérieures qui étaient nécessaires comme rappelé précédemment.
- réalisation d'une préforme de fonderie incluant un ou des évidements ou cavités débouchants ou borgnes, correspondant à des formes utiles ou recherchées de la pièce finie à obtenir ;
- transfert de la préforme dans un four tunnel assurant l'homogénéisation en température de ladite préforme ;
- positionnement de la préforme de fonderie dans une matrice de frappe disposée sur la presse ;
- introduction d'une ou de plusieurs broches multidirectionnelles dans le ou les évidements ou cavités de la préforme de fonderie, selon une commande précédant l'opération de forgeage ;
- opération de frappe de la préforme réceptrice de la ou des broches pendant la phase de positionnement temporaire de la ou des broches à l'intérieur du ou des évidements formés ;
- remontée de la matrice supérieure de forgeage pour libérer la préforme forgée ;
- retrait de la ou des broches placées dans le ou les évidements ;
- déchargement de la préforme forgée.
- la figure 1 est une vue d'une pièce quelconque présentée dans l'état de préforme selon l'invention et destinée à être forgée.
- les figures 2 et 3 sont des vues à caractère schématique en plan illustrant les phases de positionnement des broches ou de leur retrait dans la préforme pendant l'opération et après l'opération de forgeage.
- réalisation d'une préforme de fonderie incluant un ou des évidements ou cavités débouchants ou borgnes, correspondant à des formes utiles ou recherchées de la pièce finie à obtenir ;
- transfert de la préforme dans un four tunnel assurant l'homogénéisation en température de la préforme ;
- positionnement de la préforme de fonderie dans une matrice de frappe disposée sur une presse;
- introduction d'une ou de plusieurs broches multidirectionnelles dans le ou les évidements ou cavités de la préforme de fonderie, selon une commande précédant l'opération de forgeage, lesdites broches étant translatées temporairement pour être positionnées dans la préforme de fonderie ;
- opération de frappe de la préforme réceptrice de la ou des broches pendant la phase de positionnement temporaire de la ou des broches à l'intérieur du ou des évidements formés ;
- remontée de la matrice supérieure de forgeage pour libérer la préforme forgée ;
- retrait de la ou des broches placées dans le ou les évidements ;
- déchargement de la préforme forgée.
- intégration du façonnage du ou des évidements dans l'opération de forge, entraínant ainsi un gain d'usinage et une réduction du coût de fabrication ;
- gain de matière sur la préforme par la formation du ou des évidements entraínant un gain de poids et un gain sur le coût de fabrication ; notamment sur l'opération d'usinage.
- obtention d'évidements ou d'avant-trous multidirectionnels et non pas uniquement dans le sens de la frappe.
Claims (2)
- Procédé de fabrication de pièces moulées puis forgées comprenant un ou des évidements, caractérisé en ce qu'il met en oeuvre les phases suivantes :réalisation d'une préforme de fonderie incluant un ou des évidements ou cavités débouchants ou borgnes, correspondant à des formes utiles ou recherchées de la pièce finie à obtenir ;transfert de la préforme dans un four tunnel assurant l'homogénéisation en température de ladite préforme ;positionnement de la préforme de fonderie dans une matrice de frappe disposée sur une presse;introduction d'une ou de plusieurs broches multidirectionnelles dans le ou les évidements ou cavités de la préforme de fonderie, selon une commande précédant l'opération de forgeage ;opération de frappe de la préforme réceptrice de la ou des broches pendant la phase de positionnement temporaire de la ou des broches à l'intérieur du ou des évidements formés ;remontée de la matrice supérieure de forgeage pour libérer la préforme forgée ;retrait de la ou des broches placées dans le ou les évidements ;déchargement de la préforme forgée.
- Installation pour la mise en oeuvre du procédé selon la revendication 1, caractérisée en ce qu'elle comprend autour de la matrice de frappe réceptrice de la préforme de fonderie un ou plusieurs mécanismes de translation de broches multidirectionnelles destinées à être positionnées temporairement dans la préforme de fonderie à travers le ou les évidements correspondants de la préforme en vue de subir l'opération de forgeage, et en ce que les translations sont effectuées à l'aide de commande 5 du type vérin.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0017337A FR2818565B1 (fr) | 2000-12-27 | 2000-12-27 | Procede de fabrication de pieces moulees puis forgees comprenant un ou deux evidements et installation de mise en oeuvre |
FR0017337 | 2000-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1219367A1 true EP1219367A1 (fr) | 2002-07-03 |
EP1219367B1 EP1219367B1 (fr) | 2009-08-12 |
Family
ID=8858434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01420234A Expired - Lifetime EP1219367B1 (fr) | 2000-12-27 | 2001-12-07 | Procede de fabrication de pieces moulees puis forgees comprenant un ou des evidements et installation de mise en oeuvre |
Country Status (13)
Country | Link |
---|---|
US (1) | US7596981B2 (fr) |
EP (1) | EP1219367B1 (fr) |
JP (2) | JP2002248540A (fr) |
KR (1) | KR20020053720A (fr) |
CN (1) | CN100381225C (fr) |
AT (1) | ATE439199T1 (fr) |
AU (1) | AU784683B2 (fr) |
CA (1) | CA2366026C (fr) |
DE (1) | DE60139537D1 (fr) |
DK (1) | DK1219367T3 (fr) |
ES (1) | ES2328790T3 (fr) |
FR (1) | FR2818565B1 (fr) |
PT (1) | PT1219367E (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003074209A2 (fr) * | 2002-03-06 | 2003-09-12 | Adcock Technology Limited | Procede de fabrication d'un composant metallique, dispositif utilise pour mettre en oeuvre ce procede, et procede de finition d'un composant metallique |
GB2386576A (en) * | 2002-03-06 | 2003-09-24 | Adcock Tech Ltd | Deforming a component with a die tool |
EP2164999A1 (fr) * | 2007-07-09 | 2010-03-24 | Bharat Forge Aluminiumtechnik GMBH & CO. KG | Coulée-forgeage d'alliages de corroyage |
WO2011124836A1 (fr) | 2010-04-06 | 2011-10-13 | Saint Jean Industries | Procede de fabrication de pieces forgees en alliage leger incorporant des sections pleines ou tirees d'epaisseur |
WO2013098501A1 (fr) * | 2011-12-29 | 2013-07-04 | Saint Jean Industries | 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 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102489644A (zh) * | 2011-12-13 | 2012-06-13 | 天津欧克防爆工具有限公司 | 一种铜合金防爆工具的锻造方法 |
FR3030370B1 (fr) * | 2014-12-17 | 2018-04-20 | Saint Jean Industries | Procede de fabrication d'une roue hybride en deux parties en alliage leger notamment aluminium comportant des evidements dans un des sieges de talons de pneumatique |
JP2022185725A (ja) * | 2021-06-03 | 2022-12-15 | トヨタ自動車株式会社 | 鋳造装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338419A1 (fr) * | 1988-04-16 | 1989-10-25 | Wehag Leichtmetall Gmbh | Méthode de coulée sous pression |
JPH05146841A (ja) * | 1991-11-27 | 1993-06-15 | Toyota Motor Corp | 鍛造方法 |
JPH07195136A (ja) * | 1993-12-31 | 1995-08-01 | Mikito Sasabe | 軽金属製品の製造方法 |
EP0955113A1 (fr) * | 1998-05-04 | 1999-11-10 | Emile Di Serio | Procédé pour fabriquer des pièces en alliages coulés, et notamment en aluminium |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US362113A (en) * | 1887-05-03 | Process of making car-wheels | ||
DE3373281D1 (en) * | 1983-03-14 | 1987-10-08 | Serio Thomas Di | Method of producing pieces of aluminium or aluminium alloy |
US4569218A (en) * | 1983-07-12 | 1986-02-11 | Alumax, Inc. | Apparatus and process for producing shaped metal parts |
CN1042305C (zh) * | 1995-07-11 | 1999-03-03 | 华中理工大学 | 空心抽油杆成形工艺及其模具 |
-
2000
- 2000-12-27 FR FR0017337A patent/FR2818565B1/fr not_active Expired - Lifetime
-
2001
- 2001-12-07 DK DK01420234T patent/DK1219367T3/da active
- 2001-12-07 ES ES01420234T patent/ES2328790T3/es not_active Expired - Lifetime
- 2001-12-07 DE DE60139537T patent/DE60139537D1/de not_active Expired - Lifetime
- 2001-12-07 PT PT01420234T patent/PT1219367E/pt unknown
- 2001-12-07 AT AT01420234T patent/ATE439199T1/de active
- 2001-12-07 EP EP01420234A patent/EP1219367B1/fr not_active Expired - Lifetime
- 2001-12-18 CA CA002366026A patent/CA2366026C/fr not_active Expired - Lifetime
- 2001-12-19 AU AU97284/01A patent/AU784683B2/en not_active Expired
- 2001-12-20 KR KR1020010081656A patent/KR20020053720A/ko active Search and Examination
- 2001-12-25 JP JP2001392644A patent/JP2002248540A/ja active Pending
- 2001-12-26 CN CNB011439211A patent/CN100381225C/zh not_active Expired - Lifetime
- 2001-12-27 US US10/035,018 patent/US7596981B2/en active Active
-
2011
- 2011-02-23 JP JP2011036836A patent/JP2011140069A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0338419A1 (fr) * | 1988-04-16 | 1989-10-25 | Wehag Leichtmetall Gmbh | Méthode de coulée sous pression |
JPH05146841A (ja) * | 1991-11-27 | 1993-06-15 | Toyota Motor Corp | 鍛造方法 |
JPH07195136A (ja) * | 1993-12-31 | 1995-08-01 | Mikito Sasabe | 軽金属製品の製造方法 |
EP0955113A1 (fr) * | 1998-05-04 | 1999-11-10 | Emile Di Serio | Procédé pour fabriquer des pièces en alliages coulés, et notamment en aluminium |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 017, no. 534 (M - 1486) 27 September 1993 (1993-09-27) * |
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 11 26 December 1995 (1995-12-26) * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003074209A2 (fr) * | 2002-03-06 | 2003-09-12 | Adcock Technology Limited | Procede de fabrication d'un composant metallique, dispositif utilise pour mettre en oeuvre ce procede, et procede de finition d'un composant metallique |
GB2386576A (en) * | 2002-03-06 | 2003-09-24 | Adcock Tech Ltd | Deforming a component with a die tool |
GB2386576B (en) * | 2002-03-06 | 2004-02-25 | Adcock Tech Ltd | A method of manufacture of a metallic component, apparatus when used in the method and a method of finishing a metallic component |
WO2003074209A3 (fr) * | 2002-03-06 | 2004-02-26 | Adcock Tech Ltd | Procede de fabrication d'un composant metallique, dispositif utilise pour mettre en oeuvre ce procede, et procede de finition d'un composant metallique |
EP2164999A1 (fr) * | 2007-07-09 | 2010-03-24 | Bharat Forge Aluminiumtechnik GMBH & CO. KG | Coulée-forgeage d'alliages de corroyage |
WO2011124836A1 (fr) | 2010-04-06 | 2011-10-13 | Saint Jean Industries | Procede de fabrication de pieces forgees en alliage leger incorporant des sections pleines ou tirees d'epaisseur |
US8701741B2 (en) | 2010-04-06 | 2014-04-22 | Saint Jean Industries | Process for manufacturing forgings made of light alloy, incorporating solid or thinned-down sections |
WO2013098501A1 (fr) * | 2011-12-29 | 2013-07-04 | Saint Jean Industries | 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 |
FR2985205A1 (fr) * | 2011-12-29 | 2013-07-05 | 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 |
US10369619B2 (en) | 2011-12-29 | 2019-08-06 | Saint Jean Industries | Method of dressing a forge die in the implementation of parts obtained by two successive operations of foundry casting followed by forging |
Also Published As
Publication number | Publication date |
---|---|
DE60139537D1 (de) | 2009-09-24 |
DK1219367T3 (da) | 2009-12-07 |
US20030000278A1 (en) | 2003-01-02 |
AU9728401A (en) | 2002-07-04 |
CA2366026A1 (fr) | 2002-06-27 |
AU784683B2 (en) | 2006-06-01 |
EP1219367B1 (fr) | 2009-08-12 |
FR2818565A1 (fr) | 2002-06-28 |
JP2002248540A (ja) | 2002-09-03 |
ES2328790T3 (es) | 2009-11-18 |
CA2366026C (fr) | 2010-03-02 |
JP2011140069A (ja) | 2011-07-21 |
KR20020053720A (ko) | 2002-07-05 |
US7596981B2 (en) | 2009-10-06 |
ATE439199T1 (de) | 2009-08-15 |
CN100381225C (zh) | 2008-04-16 |
FR2818565B1 (fr) | 2003-07-04 |
PT1219367E (pt) | 2009-09-30 |
CN1362300A (zh) | 2002-08-07 |
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