EP1165272A1 - Procede de production de joints homocinetiques - Google Patents

Procede de production de joints homocinetiques

Info

Publication number
EP1165272A1
EP1165272A1 EP00912491A EP00912491A EP1165272A1 EP 1165272 A1 EP1165272 A1 EP 1165272A1 EP 00912491 A EP00912491 A EP 00912491A EP 00912491 A EP00912491 A EP 00912491A EP 1165272 A1 EP1165272 A1 EP 1165272A1
Authority
EP
European Patent Office
Prior art keywords
wobble
workpiece
wall
press
movement
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
EP00912491A
Other languages
German (de)
English (en)
Other versions
EP1165272B1 (fr
Inventor
Manfred Hirschvogel
Karl Schuster
Peter Kettner
Walter Pischel
Michael Dahme
Hubert Nägele
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.)
Hirschvogel Umformtechnik GmbH
Original Assignee
Hirschvogel Umformtechnik GmbH
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 Hirschvogel Umformtechnik GmbH filed Critical Hirschvogel Umformtechnik GmbH
Publication of EP1165272A1 publication Critical patent/EP1165272A1/fr
Application granted granted Critical
Publication of EP1165272B1 publication Critical patent/EP1165272B1/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
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/025—Special design or construction with rolling or wobbling dies
    • 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
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
    • B21K1/765—Outer elements of coupling members
    • 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
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49643—Rotary bearing
    • Y10T29/49679—Anti-friction bearing or component thereof
    • Y10T29/49689—Race making

Definitions

  • the present invention relates to a method for producing outer parts of cross groove constant velocity joints according to the preamble of claim 1.
  • the outer part has a cylindrical inner contour, elongated recesses being made in it. They form ball raceways for the balls arranged in a cage of the inner part.
  • the cylindrical inner contour of the outer joint part naturally has no undercut
  • a separation of the outer part and the inner part of the constant velocity joint is not easily possible since the ball raceways are not axially parallel and also inclined to one another.
  • a method for producing outer joint parts of the type just described is described in the patent EP 0 270 538.
  • a pre-workpiece has the shape of a goblet diverging towards the open end, the inside of which the ball races are already preformed.
  • the pre-workpiece is deformed so that it finally has a cylindrical inner contour.
  • the required force is exerted via a press ram which is formed from several segments which are movable relative to one another. These have elevations that are inclined towards one another.
  • an expansion body is axially inserted into a cavity located in the press ram and holds the segments in their operating position.
  • the elevations of the segments exert pressure on the inside of the pre-workpiece and have a cold-deforming effect on the inclined ball raceways.
  • the expansion body is first removed from the press ram.
  • the segments pivot in the direction of the central axis of the entire arrangement and thus disengage from the ball raceways.
  • the segments can then be removed from the finished workpiece.
  • Another method for the production of outer parts of constant velocity joints is known from German patent DE 196 37 839, which is however limited to the production of so-called Rzeppa constant velocity joints.
  • the ball raceways in this type of joint run in the axial direction. An axial separation of the outer and inner part of the constant velocity joint is prevented here in that either the ball raceways and / or the cage guide surface have an axial undercut.
  • the pre-workpiece is also subjected to an operation by cold working.
  • This is done by a wobble press die which is curved in different convex segments, which is first immersed in the cavity of the pre-workpiece which is mounted and fixed in an external tool. Due to the different curvatures of the segments, the wobble stamp has on its surface rib-shaped contours that are used to machine the ball raceways.
  • the wobble press punch is then set in a wobble movement, whereby it is rolled over the surfaces of the pre-workpiece to be deformed in several circular rotations.
  • the wobble point of this movement is just below the underside of the pre-workpiece. Only a small area of the ball raceways to be deformed is deformed during the wobble pressing.
  • the wobble process is ended and the wobble die is removed again. It is advantageous in this known method that a one-part wobble stamp can be used, which is cheaper to produce than a multi-part segment stamp and ensures greater precision in the production of outer joint parts.
  • the invention has for its object to use the wobble method known for the production of Rzeppa constant velocity joints with a one-part wobble press ram also for the production of cross groove constant velocity joints.
  • the object is achieved with the method specified in claim 1, namely using a wobble press die with the features according to claim 8.
  • the wobble press die according to the invention has - in a projection directed perpendicular to its axis - straight projection edges and is particularly simple and inexpensive to produce.
  • Figure 1 shows the arrangements of the pre-workpiece, the outer tool and the wobble press stempeis at the beginning of a method for manufacturing the outer part of a cross groove joint.
  • Figure 2b shows in section the arrangement of the wobble press stempeis in the pre-workpiece during the drawing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Joints Allowing Movement (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
EP00912491A 1999-04-08 2000-02-21 Procede de production de joints homocinetiques Expired - Lifetime EP1165272B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19915879 1999-04-08
DE19915879A DE19915879A1 (de) 1999-04-08 1999-04-08 Verfahren zur Herstellung von Gleichlaufgelenken
PCT/EP2000/001399 WO2000061317A1 (fr) 1999-04-08 2000-02-21 Procede de production de joints homocinetiques

Publications (2)

Publication Number Publication Date
EP1165272A1 true EP1165272A1 (fr) 2002-01-02
EP1165272B1 EP1165272B1 (fr) 2004-05-19

Family

ID=7903908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00912491A Expired - Lifetime EP1165272B1 (fr) 1999-04-08 2000-02-21 Procede de production de joints homocinetiques

Country Status (6)

Country Link
US (1) US6516647B1 (fr)
EP (1) EP1165272B1 (fr)
JP (1) JP2003527244A (fr)
AT (1) ATE267063T1 (fr)
DE (2) DE19915879A1 (fr)
WO (1) WO2000061317A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19915758A1 (de) * 1999-04-08 2000-10-12 Hirschvogel Umformtechnik Gmbh Verfahren zum Herstellen eines Taumelstempels
AU2001295314A1 (en) * 2000-10-05 2002-04-15 Tesma International Inc. Cool forming of splined transmission hubs
JP3964137B2 (ja) * 2001-01-16 2007-08-22 Ｎｔｎ株式会社 トリポード型等速自在継手外輪の製造方法
US7222426B2 (en) * 2004-01-12 2007-05-29 Automotive Components Holdings, Llc Method of forming a constant velocity joint
US7191626B2 (en) * 2005-06-07 2007-03-20 Profiroll Technologies Gmbh Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece
DE102013100493B3 (de) * 2013-01-18 2013-12-24 Harting Electric Gmbh & Co. Kg Buchsenkontakt
CN103240383A (zh) * 2013-05-08 2013-08-14 丹阳市天合精锻有限公司 一种万向节滑叉空心锻造法及专用锻具
CN113369330B (zh) * 2021-06-11 2022-07-01 中国兵器工业第五九研究所 一种筒形构件挤压成形工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111534A (en) * 1980-02-07 1981-09-03 Mitsubishi Heavy Ind Ltd Sizing method of constant-velocity joint ball groove
ZA837329B (en) * 1982-10-14 1984-05-30 Pfd Ltd Tool for and method of making hollow articles
GB8520641D0 (en) * 1985-08-17 1985-09-25 Pfd Ltd Tool
DE19637839C1 (de) * 1996-09-17 1997-10-30 Ford Werke Ag Verfahren zur Herstellung von Gelenkaußenteilen von Gleichlaufgelenken
US6438844B2 (en) * 1996-09-17 2002-08-27 Ford Global Tech., Inc. Method and apparatus for manufacturing constant velocity joints
JP3770719B2 (ja) * 1997-12-22 2006-04-26 本田技研工業株式会社 等速ジョイント用外輪部材の鍛造成形方法および装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0061317A1 *

Also Published As

Publication number Publication date
DE50006499D1 (de) 2004-06-24
WO2000061317A1 (fr) 2000-10-19
ATE267063T1 (de) 2004-06-15
US6516647B1 (en) 2003-02-11
EP1165272B1 (fr) 2004-05-19
JP2003527244A (ja) 2003-09-16
DE19915879A1 (de) 2000-10-12

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