EP1551577B1 - Procede et dispositif pour produire une jante pour pneumatiques - Google Patents
Procede et dispositif pour produire une jante pour pneumatiques Download PDFInfo
- Publication number
- EP1551577B1 EP1551577B1 EP03747977A EP03747977A EP1551577B1 EP 1551577 B1 EP1551577 B1 EP 1551577B1 EP 03747977 A EP03747977 A EP 03747977A EP 03747977 A EP03747977 A EP 03747977A EP 1551577 B1 EP1551577 B1 EP 1551577B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flanks
- wall thickness
- rim
- chuck part
- contour
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000008719 thickening Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001456553 Chanodichthys dabryi Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
-
- 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
-
- 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
- Y10T29/49496—Disc type wheel
- Y10T29/49503—Integral rim and disc 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
- Y10T29/49496—Disc type wheel
- Y10T29/49504—Disc shaping
-
- 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
- Y10T29/49529—Die-press shaping
-
- 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 present invention relates to a method for producing a weight-optimized pneumatic tire rim according to the preamble of claim 1 and to an apparatus for carrying out the method.
- the rim bowl is welded to the rim base in the area of a low bed, for which purpose this must have a certain wall thickness.
- the areas which, in contrast to said welding area, are not subject to special stress, should be formed as thin as possible, so that the original wall thickness, which is still present in the claimed tire areas in the claimed tire, by Extrusion is reduced accordingly.
- the present invention is therefore based on the object to develop a method of the generic type so that the production times are shortened and thus a more cost-effective production is possible.
- the pipe section used as a blank has production-related in its wall thickness relatively large tolerances, which previously led to the extrusion of a predetermined wall thickness of the flanks to the said lobes of the edges.
- the new method creates an exact, predictable material volume which is available for the further processing of the flanks (elongation, contouring and bringing to predetermined wall thicknesses).
- the length extension which results from the performed by means of flow-forming, optionally partial reduction in wall thickness, preferably limited by a stop which is provided on the circumferential surface of the horrados suprafutters circumferentially and on which the respective edge in the end position, ie after completion of the flow-forming.
- the diameter of the cylindrical pipe section is smaller than the largest outer diameter of the rim bed to be produced by the subsequent processing steps, whereas the diameter of the pipe section corresponds to the largest diameter of the rim well, if the end-side expansion is dispensed with.
- Said expansion of the pipe section has manufacturing advantages, since the subsequent pressing for contouring uncontrolled emigration of the end regions is prevented.
- An apparatus for carrying out the method has the features of claim 8.
- a device shown in Figures 1 and 2 for producing a weight-optimized pneumatic tire rim in which from a cylindrical tube section 1a, preferably made of steel, by cold forming a rim base 1 with rotationally symmetrical partially different wall thicknesses, which is then connected to a rim, not shown, preferably by welding.
- This device has a tool lining 2, which consists of a first chuck part 3 and a second chuck part 4, which are spring-loaded in the axial direction relative to each other.
- the outer casing of the tool lining 2 is provided with a precontour 5, in which by means of pressing / rolling rollers 8 of the pipe section 1 is pressed accordingly.
- flank 6 rotationally symmetric area under equalization of the wall thickness S1 is moved by means of the pressure / rolling rollers 8 in the region of a deep bed zone 7, from which the flanks formed on both sides 6 extend under the same wall thickness S2. Both the deep bed zone 7 and the flanks 6 assume the predetermined shape of the precontour 5.
- the tolerance-related excess material leads to a thickening of the wall thickness S3 of the deep bed zone 7 with respect to the original wall, while this is so far leveled in the flanks 6, that it corresponds, for example, the lower tolerance.
- a thickness of 3.5 + - 0.1 is given as the initial wall thickness of the tubular cylinder 1a, so that the wall thickness S2 of the flanks 6 is 3.4, while the wall thickness S3 of the deep bed zone 7 can be about 3.85.
- the leveling of the wall thickness in the region of the flanks 6 has led to a thickening of the deep bed zone 7 with respect to the original material used.
- both the first chuck part 3 and the second chuck part 4 have a circumferential stop 9, on which first the pipe section 1a and subsequently Course of the process, the pre-contoured rim base 1 end supports.
- the second chuck part 4 is tracked with spring force until it reaches an end position, as shown by dashed lines in FIG. 1 and as shown in FIG.
- flanks 6 are contoured further under extension to the outside, as can be seen in FIG.
- this device which has at least one pressing / rolling roller 8
- the respective different wall thicknesses of the flanks 6 can be produced.
- one of the two flanks 6, starting from the deep bed zone 7, is brought to a wall thickness S4 by means of the pressing / rolling roller 8 which presses from the inside to the outside, which can be 2.6, for example, with reference to the previous dimensions.
- stops 9a are provided circumferentially on the first and second chuck part 3a and 4a and respectively form the conclusion of the contour 5a.
- the volume which can be exactly determined beforehand by the leveling of the flanks 6 can again be found in the now larger axial extent and the partially partially reduced wall thickness.
- the height of the rim base 1 and the wall thicknesses of the flanks 6 are exactly predictable.
- a tool lining 2b which consists of a first chuck part 3b and a second chuck part 4b, which are externally formed at least partially corresponding to the contour of the rim base 1.
- the largest diameter of the chuck parts 3, 4 in the processing area or in the contact area with the pipe section 1a is greater than the clear diameter of the pipe section 1a, so that the first cylindrical pipe section 1a with its end edges at the respectively associated Vorkontur 5 of the chuck parts 3, 4 is present.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Testing Of Balance (AREA)
Claims (12)
- Procédé de fabrication d'une jante pour pneumatiques optimisée en poids, dans lequela. une embase de jante (1) avec des épaisseurs de paroi partiellement différentes et présentant une symétrie de révolution est fabriquée par façonnage à froid dans une section tubulaire (1a) formée de préférence d'un tube soudé etb. est reliée ensuite à une cuve de jante,
caractérisé en ce que,c. la paroi de la section tubulaire (1a),• en partant des deux faces d'extrémité,• respectivement au-dessus d'une zone définie à symétrie de révolution, qui forme un flanc (6),est amenée à une épaisseur de paroi (S2) approximativement exacte en formant un contour préliminaire,d. le matériau excédentaire des flancs (6), conditionné par les tolérances, étant glissé dans une zone de base creuse (7) entre les deux flancs (6),e. et ensuite les flancs (6) sont profilés par emboutissage au tour en étant étirés vers la zone marginale libre, et ils sont réduits dans leur épaisseur (S4, S5), éventuellement de manière partiellement différente, à une échelle prédéfinie. - Procédé selon la revendication 1, caractérisé en ce que, avant l'égalisation de l'épaisseur de paroi (S1), la section tubulaire cylindrique (1a) est élargie sur au moins une face d'extrémité, de préférence les deux faces d'extrémité.
- Procédé selon une des revendications précédentes, caractérisé en ce que les flancs (6) sont pressés lors de l'étirage avec leurs faces frontales contre une butée (9a).
- Procédé selon une des revendications précédentes, caractérisé en ce que le contour préliminaire des flancs (6), et l'égalisation de leur épaisseur de paroi (S1), a lieu par emboutissage.
- Procédé selon une des revendications précédentes, caractérisé en ce que le matériau excédentaire des flancs (6), conditionné par les tolérances, est utilisé pour un épaississement approximativement uniforme de l'épaisseur de paroi (S3) de la base creuse (7).
- Procédé selon une des revendications précédentes, caractérisé en ce que l'embase de jante (1) est façonnée pendant l'étirage des flancs (6) en un contour final.
- Procédé selon une des revendications précédentes, caractérisé en ce que les zones d'extrémité libres des flancs (6) sont finies par des rouleaux de formage après leur étirage.
- Dispositif pour réaliser le procédé selon la revendication 1, caractérisé en ce que pour le contour préliminaire de l'embase de jante (1) et l'égalisation de l'épaisseur de paroi des flancs (6), un revêtement intérieur d'outil (2) est prévu, qui comprend une première partie de revêtement (3) et une seconde partie de revêtement (4), lesquelles sont mobiles dans le sens axial l'une par rapport à l'autre, et dont les surfaces de revêtement externes comprennent un contour préliminaire (5), et en ce qu'un autre revêtement interne d'outil (2a) est prévu, qui est formé d'une première partie de revêtement (3a) et d'une seconde partie de revêtement (4a), et qui comprend côté revêtement un contour (5a) qui correspond au contour de l'embase de jante (1) finie dans la zone des flancs (6), et en ce que au moins un rouleau de pressage/d'emboutissage (8) est prévu, qui permet d'enfoncer la section tubulaire (1a) dans le contour préliminaire (5) et/ou le contour (5a).
- Dispositif selon la revendication 8, caractérisé en ce que le contour préliminaire (5) est limité par des butées (9) périphériques ayant la forme d'une arête.
- Dispositif selon une des revendications 8 ou 9, caractérisé en ce que la partie de revêtement (3) ou (4) axialement mobile est contrainte par ressort contre l'autre partie de revêtement (3) ou (4).
- Dispositif selon une des revendications 8 à 10, caractérisé en ce que le contour (5a) est limité sur la face d'extrémité par respectivement une butée périphérique (9a).
- Dispositif selon une des revendications 8 à 11, caractérisé en ce que des rouleaux de formage (10) sont prévus, avec lesquels les zones d'extrémité de l'embase de jante profilée peuvent être usinées.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248356A DE10248356A1 (de) | 2002-10-17 | 2002-10-17 | Verfahren und Vorrichtung zur Herstellung einer gewichtsoptimierten Luftreifenfelge |
DE10248356 | 2002-10-17 | ||
PCT/EP2003/009912 WO2004035243A1 (fr) | 2002-10-17 | 2003-09-06 | Procede et dispositif pour produire une jante pour pneumatiques |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1551577A1 EP1551577A1 (fr) | 2005-07-13 |
EP1551577B1 true EP1551577B1 (fr) | 2007-04-25 |
Family
ID=29557901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03747977A Expired - Lifetime EP1551577B1 (fr) | 2002-10-17 | 2003-09-06 | Procede et dispositif pour produire une jante pour pneumatiques |
Country Status (8)
Country | Link |
---|---|
US (1) | US7774938B2 (fr) |
EP (1) | EP1551577B1 (fr) |
AT (1) | ATE360486T1 (fr) |
AU (1) | AU2003267055A1 (fr) |
CA (1) | CA2501179C (fr) |
DE (3) | DE10248356A1 (fr) |
ES (1) | ES2286452T3 (fr) |
WO (1) | WO2004035243A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004112984A1 (fr) * | 2003-06-23 | 2004-12-29 | Honda Motor Co., Ltd. | Procede et dispositif de moulage d'un bourrelet circulaire pour jante |
NL1026796C2 (nl) * | 2004-08-06 | 2006-02-07 | Fontijne Grotnes B V | Werkwijze en inrichting voor het door middel van koude vervorming vervaardigen van een velgring. |
PL1752311T3 (pl) * | 2005-08-12 | 2009-06-30 | Mussino S R L | Sposób i urządzenie do spawania za pomocą wiązki laserowej obręczy z tarczą koła do pojazdów mechanicznych |
DE102006057106B3 (de) * | 2006-12-04 | 2008-04-03 | Leifeld Metal Spinning Gmbh | Verfahren und Drückmaschine zum Herstellen eines trommelförmigen Werkstücks |
JP5221894B2 (ja) * | 2007-05-08 | 2013-06-26 | 中央精機株式会社 | 車両用ホイールリム成形装置 |
DE102010030174A1 (de) * | 2010-06-16 | 2011-12-22 | Behr Industry Motorcycle Components Gmbh | Verfahren zur Herstellung eines geschlossenen profilierten Ringes, insbesondere eines Felgenringes für ein Zweiradfahrzeug |
EP2821158A1 (fr) * | 2013-07-04 | 2015-01-07 | Hayes Lemmerz Manresa, S.L.U. | Procédé de fabrication de jantes de roue et équipement pour son exécution |
DE102016117510A1 (de) * | 2016-09-16 | 2018-03-22 | Maxion Wheels Germany Holding Gmbh | Verfahren zur Herstellung von Steilschulterfelgen, Steilschulterfelge und Fahrzeugrad hiermit für Nutzfahrzeuge |
DE202018100889U1 (de) | 2018-02-16 | 2018-04-24 | Leifeld Metal Spinning Ag | Umformmaschine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185347A (en) * | 1935-10-28 | 1940-01-02 | Kelsey Hayes Wheel Co | Method of forming vehicle wheel rims and the like |
US3364550A (en) * | 1965-09-02 | 1968-01-23 | Kelsey Hayes Co | Method of manufacturing wheel rims |
DE2647464A1 (de) | 1976-10-21 | 1978-04-27 | Hans J Ing Grad Wissner | Leichtmetall-scheibenrad fuer kraftfahrzeuge und verfahren zu seiner herstellung |
US4185370A (en) * | 1978-02-10 | 1980-01-29 | Kelsey Hayes Co. | Method of making a wheel rim |
DE2945764A1 (de) * | 1979-11-13 | 1981-05-21 | Kelsey-Hayes Co., 48174 Romulus, Mich. | Verfahren zur herstellung von radfelgen |
JPS59185532A (ja) * | 1983-04-06 | 1984-10-22 | Nippon Spindle Mfg Co Ltd | 車輪リムの製造方法 |
DE4102139C1 (fr) * | 1991-01-25 | 1992-07-09 | Leifeld Gmbh & Co, 4730 Ahlen, De | |
WO1996025257A1 (fr) | 1995-02-13 | 1996-08-22 | Hess Engineering, Inc. | Procede de façonnage de jantes de vehicule |
US5740609A (en) * | 1995-12-08 | 1998-04-21 | Motor Wheel Corporation | Method of making one-piece vehicle wheels and the like |
DE19727599B4 (de) * | 1997-06-28 | 2007-08-02 | Volkswagen Ag | Verfahren zur Herstellung von Metallrädern |
DE19924062A1 (de) | 1999-05-26 | 1999-12-09 | Leico Werkzeugmaschb Gmbh & Co | Verfahren und Vorrichtung zum Drückwalzen |
DE10204054C1 (de) * | 2001-10-04 | 2003-04-17 | Wf Maschinenbau Blechformtech | Verfahren und Vorrichtung zur Herstellung einer Luftreifenfelge |
-
2002
- 2002-10-17 DE DE10248356A patent/DE10248356A1/de not_active Withdrawn
-
2003
- 2003-09-06 AT AT03747977T patent/ATE360486T1/de not_active IP Right Cessation
- 2003-09-06 EP EP03747977A patent/EP1551577B1/fr not_active Expired - Lifetime
- 2003-09-06 DE DE50307145T patent/DE50307145D1/de not_active Expired - Lifetime
- 2003-09-06 ES ES03747977T patent/ES2286452T3/es not_active Expired - Lifetime
- 2003-09-06 WO PCT/EP2003/009912 patent/WO2004035243A1/fr active IP Right Grant
- 2003-09-06 CA CA002501179A patent/CA2501179C/fr not_active Expired - Fee Related
- 2003-09-06 US US10/531,424 patent/US7774938B2/en not_active Expired - Fee Related
- 2003-09-06 DE DE20314146U patent/DE20314146U1/de not_active Expired - Lifetime
- 2003-09-06 AU AU2003267055A patent/AU2003267055A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2286452T3 (es) | 2007-12-01 |
CA2501179A1 (fr) | 2004-04-29 |
AU2003267055A1 (en) | 2004-05-04 |
ATE360486T1 (de) | 2007-05-15 |
WO2004035243A1 (fr) | 2004-04-29 |
US7774938B2 (en) | 2010-08-17 |
EP1551577A1 (fr) | 2005-07-13 |
DE20314146U1 (de) | 2003-11-13 |
CA2501179C (fr) | 2008-09-16 |
US20060123629A1 (en) | 2006-06-15 |
DE50307145D1 (de) | 2007-06-06 |
DE10248356A1 (de) | 2004-04-29 |
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