EP1551577A1 - Procede et dispositif pour produire une jante pour pneumatiques - Google Patents

Procede et dispositif pour produire une jante pour pneumatiques

Info

Publication number
EP1551577A1
EP1551577A1 EP03747977A EP03747977A EP1551577A1 EP 1551577 A1 EP1551577 A1 EP 1551577A1 EP 03747977 A EP03747977 A EP 03747977A EP 03747977 A EP03747977 A EP 03747977A EP 1551577 A1 EP1551577 A1 EP 1551577A1
Authority
EP
European Patent Office
Prior art keywords
flanks
contour
rim
wall thickness
chuck
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
Application number
EP03747977A
Other languages
German (de)
English (en)
Other versions
EP1551577B1 (fr
Inventor
Udo Friese
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.)
WF Maschinenbau und Blechformtecknik GmbH and Co KG
Original Assignee
WF Maschinenbau und Blechformtecknik GmbH and Co KG
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 WF Maschinenbau und Blechformtecknik GmbH and Co KG filed Critical WF Maschinenbau und Blechformtecknik GmbH and Co KG
Publication of EP1551577A1 publication Critical patent/EP1551577A1/fr
Application granted granted Critical
Publication of EP1551577B1 publication Critical patent/EP1551577B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 an apparatus for carrying out the method.
  • Wall thickness which is only present in the finished tire rim in the claimed areas, is reduced accordingly by extrusion.
  • the present invention is therefore based on the object of further developing a method of the generic type in such a way that the production times are shortened and thus less expensive production is possible.
  • the pipe section used as a blank has, due to production, relatively large tolerances in its wall thickness, which hitherto resulted in extrusion to a predetermined wall thickness of the flanks to the aforementioned corners of the edges.
  • the new process creates an exact, predeterminable volume of material that is available for the further processing of the flanks (length extension, contouring and bringing to predetermined wall thicknesses).
  • the longitudinal extension, which results from the partial wall thickness reduction, which is carried out by means of pressure rollers, is preferably limited by a stop which is provided all around on the outer surface of the tool inner lining and against which the respective flank rests in the end position, i.e. after the end of the pressure roller ,
  • the volume of the flanks that is defined after the pressure rolling means that their length can also be determined after the deformation has ended, taking into account the desired wall thicknesses.
  • Wall thickness equalization pushed into the drop zone, where it leads to a wall reinforcement.
  • the starting wall thickness of the pipe section can therefore be chosen to be less than the end wall thickness in the area of the deep bed zone, the
  • the final thickness in turn results from the original wall thickness and the tolerance material of the flanks.
  • the diameter of the cylindrical tube section is smaller than the largest outside diameter of the rim bed to be produced by the subsequent processing steps, whereas the diameter of the tube section corresponds to the largest diameter of the rim bed if the end-side expansion is dispensed with.
  • a device for carrying out the method is designed such that a two-part tool lining, contoured on its outer lateral surface, is provided for receiving the cylindrical tube section, the two
  • Tool lining parts are axially movable relative to each other.
  • FIGS. 1 and 2 show a further exemplary embodiment of a device for carrying out a first method step in a schematic longitudinal section.
  • This device has an inner tool chuck 2, which consists of a first chuck part 3 and a second chuck part 4, which can be moved relative to one another in the axial direction in a spring-loaded manner.
  • the outer jacket of the inner tool chuck 2 is provided with a preliminary contour 5, into which the pipe section 1 can be correspondingly pressed by means of pressing / rolling rollers 8.
  • FIG. 1 The beginning of the method can be seen in FIG. 1, in which the cylindrical tubular section 1 a lies on the outside of the tool chuck 2.
  • the pressure-dependent alz rollers 8 are used to shift tolerance-related excess material of a certain specific, flank 6-forming, rotationally symmetrical region, with equalization of the wall thickness S1, into 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 shape predetermined by the preliminary contour 5.
  • the tolerance-related excess material leads to a thickening of the wall thickness S3 of the deep bed zone 7 compared to the original wall, while this is leveled in the area of the flanks 6 to such an extent that it corresponds, for example, to the lower tolerance measure.
  • a thickness of 3.5 + _ 0.1 is given as the initial wall thickness of the tubular cylinder la, 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 approximately 3.85.
  • the equalization of the wall thickness in the area of the flanks 6 has led to a thickening of the deep bed zone 7 compared to the original use of material.
  • both the first chuck part 3 and the second chuck part 4 have a circumferential stop 9, on which the pipe section la and then continue
  • the precontoured rim base 1 is supported at the end in the course of the method.
  • the second chuck part 4 is adjusted with spring force until it reaches an end position, as shown in broken lines in FIG. 1, and how it moves
  • flanks 6 are further contoured while stretching outwards, as can be seen in FIG. 3.
  • 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 out, which can be 2.6, for example, with reference to the previous dimensions.
  • stops 9a are provided all around on the first and second chuck parts 3a and 4a and each form the end of the contour 5a.
  • the height of the rim well 1 and the wall thicknesses of the flanks 6 can be exactly predetermined.
  • the end regions of the flanks 6 are finished by shaping rollers 10.
  • circumferential rim flanges 11 and bosses 12 are molded on, which serve to receive a tire.
  • an inner tool chuck 2b which consists of a first chuck part 3b and a second chuck part 4b, the outside of which is at least partially shaped in accordance with the contour of the rim base 1.

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)

Abstract

L'invention concerne un procédé pour produire une jante pour pneumatiques, présentant un poids optimisé. Selon ce procédé, une base de jante (1), présentant des épaisseurs de paroi en partie différentes dans des zones à symétrie de révolution, est produite par formage à froid à partir d'une section tubulaire (1a) obtenue de préférence à partir d'un tube soudé, puis est raccordée à un épaulement de jante. Selon ledit procédé, on obtient tout d'abord une épaisseur (S2) sensiblement précise de la paroi de la section tubulaire cylindrique (1a), en partant des deux côtés d'extrémité, sur une zone déterminée à symétrie de révolution qui forme un flanc (6), avec formation d'un contour préalable. L'excès de matériau des flancs (6), lié aux tolérances, est déplacé dans une zone de base creuse (7) située entre les deux flancs (6). Ensuite, le contour des flancs (6) est créé par compression, avec un étirage jusqu'à la zone marginale libre, et l'épaisseur (S4, SS) de ladite paroi est réduite, de manière éventuellement différenciée, de façon à correspondre à une valeur prédéterminée.
EP03747977A 2002-10-17 2003-09-06 Procede et dispositif pour produire une jante pour pneumatiques Expired - Lifetime EP1551577B1 (fr)

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 true EP1551577A1 (fr) 2005-07-13
EP1551577B1 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)

* Cited by examiner, † Cited by third party
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.
DE602005011960D1 (de) * 2005-08-12 2009-02-05 Mussino S R L Verfahren und Vorrichtung zum Schweißen mittels eines Laserstrahls von einer Felge an eine Fahrzeugradscheibe
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)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004035243A1 *

Also Published As

Publication number Publication date
US7774938B2 (en) 2010-08-17
CA2501179C (fr) 2008-09-16
DE10248356A1 (de) 2004-04-29
US20060123629A1 (en) 2006-06-15
DE20314146U1 (de) 2003-11-13
EP1551577B1 (fr) 2007-04-25
ES2286452T3 (es) 2007-12-01
AU2003267055A1 (en) 2004-05-04
ATE360486T1 (de) 2007-05-15
CA2501179A1 (fr) 2004-04-29
DE50307145D1 (de) 2007-06-06
WO2004035243A1 (fr) 2004-04-29

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