EP1335805B1 - Procede de fabrication d'une jante de roue de vehicule - Google Patents
Procede de fabrication d'une jante de roue de vehicule Download PDFInfo
- Publication number
- EP1335805B1 EP1335805B1 EP01980534A EP01980534A EP1335805B1 EP 1335805 B1 EP1335805 B1 EP 1335805B1 EP 01980534 A EP01980534 A EP 01980534A EP 01980534 A EP01980534 A EP 01980534A EP 1335805 B1 EP1335805 B1 EP 1335805B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hoop
- rim
- thickness
- ferrule
- zone
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/30—Making other particular articles wheels or the like wheel rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49481—Wheel making
- Y10T29/49492—Land wheel
- Y10T29/49524—Rim making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49481—Wheel making
- Y10T29/49492—Land wheel
- Y10T29/49524—Rim making
- Y10T29/49531—Roller forming
Definitions
- the invention relates to a method for produce a wheel rim according to the preamble of claim 1.
- US Patent 5,579,578 discloses a method of producing a wheel rim for vehicle with the steps of the preamble of claim 1.
- the flow turning operations of the ferrule of a wheel rim are however likely to produce ferrules whose axial width may vary over their circumference.
- the subject of the invention is an improved method of manufacturing a wheel rim which Significantly reduces the manufacturing dispersion of wheel rims. This process allows also to get reduced weight wheels.
- the normal cutting operation at the axis of the shell of at least one lateral edge of the ferrule after the cylindrical fluotoumage operation has the advantage of eliminating all or part the extra thickness of the two ends of the rim finished, this reduces the final weight of the rim. It should be noted that the reduction in thickness during a flow forming operation cannot be applied to the two lateral edges of the ferrule. This thickness is therefore necessarily identical to the thickness of the starting metal blank. This operation also ensures that the edge of the ferrule is flat and that this plane is orthogonal to the axis of this same shell.
- the cutting operation can be carried out on the inner side of the rim (i.e. side intended to be placed towards the interior of the vehicle). This has the advantage of reducing the thickness of the inner hook of the rim, which is less exposed than the hook outside to shocks.
- the cutting operation can also relate to the two lateral edges of the shell.
- the advantage is then to maximize the reduction in weight of the rim and obtain a excellent flatness of the lateral edges of the shell as well as a remarkable regularity of the axial width of the ferrule.
- Figure 1 a partial section of a conventional steel sheet wheel.
- This wheel 1 includes a rim 2 and a disc 3.
- This figure illustrates the median plane of the wheel or plane P. This plane is placed at equal distance from the two hooks of the rim. The axially inner and outer positions are defined taking as reference the median plane P.
- the rim has an outer hook 4, an outer seat 5, a safety boss or “hump” 6, a mounting groove 7, an interior seat 9 and an interior hook 10.
- the disc 3 includes a hub seat 11, a transition zone 12 and an edge 13. The assembly is carried out by fitting under the mounting groove 7.
- This figure also shows the axis of rotation A of the wheel.
- FIG. 2 A method for producing the rims of the wheels according to the invention is illustrated in FIG. 2.
- a sheet of metal sheet (not shown) of steel, aluminum or of alloys, is bent to give it a generally cylindrical shape of a ferrule 14 with two free edges.
- the shell 14 is welded by a welding process by sparking, by resistance or other.
- This ferrule 14 has a constant thickness ( Figure 3).
- the ferrule 14 is then preferably calibrated in extension using a calibration tool shown schematically in Figure 4.
- the expansion is obtained by moving a cam 15 which aside from the sectors 16 around which the ferrule 14 is installed.
- FIG. 5 illustrates the step next which consists in obtaining by cylindrical flow turning the desired flat profile for the rims according to the invention.
- the flow-forming process used is reverse flow-turning.
- the ferrule 14 is mounted on a mandrel 17 and bears against a wall of the system 18 for locking the ferrule 14.
- the mandrel 17 is then rotated and at least two knurls 19 roll on the radially outer surface of the ferrule 14 in the zones whose thickness must be reduced.
- the rollers 19 are moved axially in the direction of the X axis by applying a radial force and tangential so that the material flow flows in the direction of Y. This creep of material is carried out in the opposite direction to the movement of the rollers 19.
- FIG. 5 illustrates schematically the ferrule 20 of variable profile obtained.
- FIG. 6 illustrates a first defect likely to be presented by the shell 20 after the flow-turning operations.
- This defect corresponds to local variations in width axial of the ferrule 20. These variations are particularly observed on the attack side wheels.
- the edge 24 is not perfectly cylindrical but has variations axial position. These variations are automatically reflected in the profile of the rim. It is thus possible to have variations in the profile of the edge of the hooks which can locally make it difficult to install or fix the balancing weights.
- Figure 7 illustrates a second defect that can be observed: a defect in perpendicularity between the plane defined by the edge 24 of the ferrule 20 and that defined by the axis of the ferrule 20.
- the angle ⁇ between these two planes can reach 1 to 2 degrees.
- Figure 8 illustrates a third fault.
- a partial profile of two ferrules 25 and 26 are substantially identical except for the length of the non-spinning areas on the side abutting the mandrel (on the left side of the figure).
- These zones 27 for the shell 25 and 28 for the shell 26 differ from one length d. This difference is due to a variation in thickness of the starting blank between the two ferrules.
- the ferrule 26 has a starting blank whose thickness is greater than that of the ferrule 25.
- the profile of the two ferrules after flow turning is substantially identical because the relative displacement of the rollers is linked to the axial increase of the fluotoumées zones.
- the effectively flow-turned area is axially smaller for a ferrule thicker.
- a variation of thickness of 0.05 mm can cause a variation in axial width of the non-flow-turned area on the 5 mm stop side.
- This problem is resolved by taking as a reference a characteristic point R of the profile of the shell after the flow-turning operations to define the position of the planes D 1 and D 2 for cutting the edges of the shell.
- This point R is advantageously taken adjacent to an area of variable thickness and an area of fixed thickness as illustrated in FIG. 8.
- a profile control system is used to determine the position of the cutting plane or of the two planes cutting as appropriate. It should be noted that it is not possible to take as a reference the edge of the ferrule on the attack side of the rollers because it is this edge which is the most sensitive to variations and undulations as has already been indicated.
- Figure 9 (a) schematically illustrates the profile of one end of the shell 20 after the flow spinning operation.
- This profile comprises a non-flow-formed outer zone 21 of axial width L minimum and of thickness e corresponding to the thickness of the starting blank, a transition zone 22 in which the thickness gradually decreases and a zone 23 of thickness e 1 scaled down.
- Figure 9 (b) shows the profile of the outer edge of the resulting rim after rolling profiling operations.
- the first zone 21 corresponds to the rim 31 of the rim hook 4, the zone of reduced thickness 23 at the seat 5 of the rim and at the start 29 of the hook and the transition zone 22 to the intermediate zone 30.
- the hook 4 of the rim thus has three adjacent zones: the zone 29 of reduced thickness identical to that of the seat 5, the transition zone 30 whose thickness gradually increases and the zone 31 of thickness e identical to that of the blank of departure.
- the hook 4 of FIG. 9 (b) thus has an excess thickness which may be necessary or not depending on the type of wheel concerned.
- Figures 10 and 11 show two forms of hooks resulting from two different cutting operations.
- the cutting plane D is located axially at a distance L from the junction point between the non-flow-turned zone 21 of thickness e and the transition zone 22 of variable thickness between e and e 1 .
- the hook 4 has, after the cutting operation, a reduced area 32 of thickness e.
- the rim thus has a reduced weight.
- the cutting plane is located in zone 23, which has undergone a flow spinning to reduce its thickness from e to e 1 .
- the hook resulting from the profiling operations therefore has an identical thickness over its entire length. The weight reduction is then maximum.
- the edge of the shell can be cut by any suitable process, in particular turning or cutting with a wheel.
- the rims are calibrated as follows obtained then we carry out the fitting with appropriate discs.
- Figure 2 includes a step of machining the fitting area of the rim. This step is optional. The purpose of this step is to perfect the cylindrical geometry of the area fitting in the case of a sensitive assembly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Testing Of Balance (AREA)
- Forging (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Heat Treatment Of Articles (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Tyre Moulding (AREA)
Description
- la figure 1 est une coupe d'une roue usuelle avec assemblage sous la gorge de montage ;
- la figure 2 présente les différentes étapes d'un procédé de réalisation d'une roue selon l'invention ;
- les figures 3, 4 et 5 illustrent schématiquement différentes étapes du procédé de réalisation d'une jante selon l'invention ;
- la figure 6 présente schématiquement un premier type de défaut rencontré après les opérations de fluotournage ;
- la figure 7 présente schématiquement un second type de défaut rencontré après les opérations de fluotournage ;
- la figure 8 présente schématiquement un troisième type de défaut rencontré après les opérations de fluotournage ;
- la figure 9 présente schématiquement un détail d'une première virole correspondant au crochet de jante après les opérations de fluotournage ainsi que la partie de jante en résultant après profilage ;
- la figure 10 illustre schématiquement un détail d'une seconde virole correspondant au crochet de jante après les opérations de fluotournage ainsi que la partie de jante en résultant après profilage ;
- la figure 11 illustre schématiquement un détail d'une troisième virole correspondant au crochet de jante après les opérations de fluotoumage ainsi que la partie de jante en résultant après profilage.
Claims (7)
- Procédé de fabrication d'une jante (2) en tôle métallique d'une roue pour véhicule comportant les étapes suivantes :on découpe un flan en tôle métallique pour obtenir une géométrie rectangulaire ;on cintre le flan pour obtenir une virole cylindrique (14) ;on soude ensemble les deux bords libres de la virole (14) ;on effectue au moins une opération de fluotournage cylindrique pour obtenir un profil donné d'épaisseur de la virole (20, 25, 26) comportant des zones d'épaisseur constante adjacentes à des zones d'épaisseur variable ;on effectue un profilage de la virole (20, 25, 26) pour obtenir la jante (2) ; eton calibre ladite jante (2) ;
ledit point caractéristique correspondant à un point de transition entre une zone d'épaisseur constante et une zone d'épaisseur variable. - Procédé selon la revendication 1, dans lequel, la jante (2) ayant un côté intérieur et un côté extérieur, on découpe le bord latéral de la virole (20, 25, 26) correspondant au côté intérieur de la jante (2).
- Procédé selon la revendication 1, dans lequel on découpe les deux bords latéraux de la virole (20, 25, 26).
- Procédé selon l'une des revendications 1 à 3, dans lequel on découpe une partie de la zone non fluotournée (21, 27, 28) en bord de virole (20, 25, 26).
- Procédé selon l'une des revendications 1 à 3, dans lequel on découpe au moins une partie de la zone fluotournée en bord de virole (20, 25, 26).
- Procédé selon l'une des revendications 1 à 5, dans lequel, après avoir soudé ensemble les deux bords libres de la virole (20, 25, 26), on calibre ladite virole (20, 25, 26).
- Procédé selon l'une des revendications 1 à 6, dans lequel, après avoir calibré ladite jante (2), on usine la zone d'emboítage de la jante.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0014675A FR2816532B1 (fr) | 2000-11-13 | 2000-11-13 | Procede de fabrication d'une jante de roue de vehicule |
FR0014675 | 2000-11-13 | ||
PCT/EP2001/012601 WO2002038303A1 (fr) | 2000-11-13 | 2001-10-31 | Procede de fabrication d'une jante de roue de vehicule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1335805A1 EP1335805A1 (fr) | 2003-08-20 |
EP1335805B1 true EP1335805B1 (fr) | 2004-10-13 |
Family
ID=8856459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01980534A Expired - Lifetime EP1335805B1 (fr) | 2000-11-13 | 2001-10-31 | Procede de fabrication d'une jante de roue de vehicule |
Country Status (9)
Country | Link |
---|---|
US (1) | US6971173B2 (fr) |
EP (1) | EP1335805B1 (fr) |
JP (1) | JP4653932B2 (fr) |
AT (1) | ATE279276T1 (fr) |
AU (1) | AU2002212354A1 (fr) |
DE (1) | DE60106477T2 (fr) |
ES (1) | ES2230375T3 (fr) |
FR (1) | FR2816532B1 (fr) |
WO (1) | WO2002038303A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4076451B2 (ja) * | 2003-01-28 | 2008-04-16 | トピー工業株式会社 | 不等厚リム用リム素材、不等厚リム、不等厚リムの製造方法 |
ITBS20030023A1 (it) * | 2003-03-04 | 2004-09-05 | Tecnoforming S P A | Metodo di realizzazione del canale per ruote in lega d'alluminio. |
JP3933143B2 (ja) * | 2004-04-28 | 2007-06-20 | 株式会社ワーク | ホイールの製造方法。 |
KR20110053224A (ko) * | 2008-11-18 | 2011-05-19 | 토피 고교 가부시키가이샤 | 통 형상 부재의 제조 방법 |
DE112011100571T5 (de) | 2010-02-17 | 2012-12-13 | Topy Kogyo Kabushiki Kaisha | Verfahren zum Herstellen einer Radfelge für ein Fahrzeug |
CN105215635A (zh) * | 2015-10-16 | 2016-01-06 | 江苏新创雄铝制品有限公司 | 一种冷加工无缝铝合金轮毂的制备方法 |
DE102016117510A1 (de) * | 2016-09-16 | 2018-03-22 | Maxion Wheels Germany Holding Gmbh | Verfahren zur Herstellung von Steilschulterfelgen, Steilschulterfelge und Fahrzeugrad hiermit für Nutzfahrzeuge |
KR101949029B1 (ko) * | 2017-08-08 | 2019-05-09 | 주식회사 포스코 | 자동차용 휠 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3129496A (en) * | 1959-12-08 | 1964-04-21 | Darwin S Cox | Method of producing improved vehicle wheels |
DE2624872B2 (de) * | 1976-06-03 | 1980-04-10 | Bohner & Koehle Gmbh & Co, 7300 Esslingen | Verfahren zum Herstellen von ungeteilten Felgen |
US4185370A (en) * | 1978-02-10 | 1980-01-29 | Kelsey Hayes Co. | Method of making a wheel rim |
US4554810A (en) * | 1984-04-02 | 1985-11-26 | Motor Wheel Corporation | Draw-spinning of integral vehicle wheel rim and disc segments |
US5579578A (en) * | 1993-10-27 | 1996-12-03 | Hayes Wheels International, Inc. | Method for producing a rim for a vechicle wheel |
US5435633A (en) * | 1994-01-03 | 1995-07-25 | Hayes Wheels International, Inc. | Aluminum full face vehicle wheel |
WO1996025257A1 (fr) * | 1995-02-13 | 1996-08-22 | Hess Engineering, Inc. | Procede de façonnage de jantes de vehicule |
US5664329A (en) * | 1995-11-30 | 1997-09-09 | Cosma International Inc. | Method for fabricating a one-piece metal vehicle wheel |
JP3669751B2 (ja) * | 1996-01-25 | 2005-07-13 | トピー工業株式会社 | 片側フランジレスホイールリムの製造方法とその装置 |
US5832609A (en) * | 1996-04-05 | 1998-11-10 | Hayes Lemmerz International, Inc. | Method for producing a variable thickness rim for a vehicle wheel |
US6536111B1 (en) * | 1996-07-24 | 2003-03-25 | Hayes Lemmerz International, Inc. | Process for spin forming a vehicle wheel |
US6189357B1 (en) * | 1996-10-29 | 2001-02-20 | Hayes Lemmerz International, Inc. | Apparatus and process for forming vehicle wheel rims |
US6244668B1 (en) * | 1998-10-30 | 2001-06-12 | Specialty Blanks, Inc. | Cold formed light alloy automotive wheel rim |
DE19924062A1 (de) * | 1999-05-26 | 1999-12-09 | Leico Werkzeugmaschb Gmbh & Co | Verfahren und Vorrichtung zum Drückwalzen |
-
2000
- 2000-11-13 FR FR0014675A patent/FR2816532B1/fr not_active Expired - Fee Related
-
2001
- 2001-10-31 AU AU2002212354A patent/AU2002212354A1/en not_active Abandoned
- 2001-10-31 AT AT01980534T patent/ATE279276T1/de not_active IP Right Cessation
- 2001-10-31 ES ES01980534T patent/ES2230375T3/es not_active Expired - Lifetime
- 2001-10-31 JP JP2002540872A patent/JP4653932B2/ja not_active Expired - Lifetime
- 2001-10-31 WO PCT/EP2001/012601 patent/WO2002038303A1/fr active IP Right Grant
- 2001-10-31 EP EP01980534A patent/EP1335805B1/fr not_active Expired - Lifetime
- 2001-10-31 DE DE60106477T patent/DE60106477T2/de not_active Expired - Lifetime
-
2003
- 2003-05-13 US US10/437,555 patent/US6971173B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1335805A1 (fr) | 2003-08-20 |
AU2002212354A1 (en) | 2002-05-21 |
DE60106477T2 (de) | 2006-02-02 |
DE60106477D1 (de) | 2004-11-18 |
FR2816532A1 (fr) | 2002-05-17 |
JP2004512963A (ja) | 2004-04-30 |
FR2816532B1 (fr) | 2003-01-24 |
WO2002038303A1 (fr) | 2002-05-16 |
ATE279276T1 (de) | 2004-10-15 |
ES2230375T3 (es) | 2005-05-01 |
US6971173B2 (en) | 2005-12-06 |
US20040016124A1 (en) | 2004-01-29 |
JP4653932B2 (ja) | 2011-03-16 |
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