WO2005121582A1 - Partie de joint de cannelure - Google Patents

Partie de joint de cannelure Download PDF

Info

Publication number
WO2005121582A1
WO2005121582A1 PCT/SE2005/000841 SE2005000841W WO2005121582A1 WO 2005121582 A1 WO2005121582 A1 WO 2005121582A1 SE 2005000841 W SE2005000841 W SE 2005000841W WO 2005121582 A1 WO2005121582 A1 WO 2005121582A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
piece
grooves
ridges
tube
Prior art date
Application number
PCT/SE2005/000841
Other languages
English (en)
Inventor
Ola Larsson
Anders Sundgren
Original Assignee
Scania Cv Ab (Publ)
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 Scania Cv Ab (Publ) filed Critical Scania Cv Ab (Publ)
Priority to DE112005001328T priority Critical patent/DE112005001328T5/de
Publication of WO2005121582A1 publication Critical patent/WO2005121582A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
    • F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
    • F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
    • F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/02—Corrugating tubes longitudinally
    • 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • 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
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/12—Making machine elements axles or shafts of specially-shaped cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F16C3/03—Shafts; Axles telescopic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly

Definitions

  • the invention relates to a component for a splined connection, comprising a shaft piece which has longitudinal ridges and grooves mutually alternating in the circumferential direction and is intended at a first end to accommodate in axial movement a shaft piece with complementary ridges and grooves.
  • the invention also relates to a method and a device for production of such a component.
  • Such splined components which are subject to severe stresses in particularly heavy vehicles, are usually manufactured by machining from forged solid high-strength steel.
  • the great strength requirements make these components heavy, difficult to machine and expensive, all of which runs counter to a general endeavour to keep down costs, and particularly weight, of vehicle parts with a view to reducing the fuel consumption of vehicles.
  • An object of the present invention is therefore to provide components for splined connections which can be produced with lower weight and at smaller cost than previously without resulting in inferior strength characteristics.
  • the component with the ridges and grooves is produced by press hardening of a thin-walled piece of tube made of boron steel.
  • Thin- walled components of very high-strength lightweight structure can thus be achieved without any machining at all, thereby making it possible to reduce the component's weight and manufacturing cost.
  • the press hardening comprises forming of the ridges and grooves by radial deformation of the piece of tube.
  • a second end of the component is connected to a shaft component by laser welding.
  • laser welding it is possible to avoid loss of hardening due to powerful heating.
  • the shaft component may be a coupling fork for a universal coupling which is likewise produced by hot forming and press hardening of a thin- walled piece of boron steel.
  • the coupling fork may be produced by connecting together, e.g. by adhesive bonding, two thin-walled fork pieces which fit into one another. It is thus possible to use thin- walled parts which are easy to form and can be joined together to provide great strength corresponding to that of an equivalent thick- walled fork piece.
  • FIG. 1 depicts part of a universal shaft made up of components according to the invention
  • FIG. 2 depicts in exploded view components according to the invention
  • FIG. 3 depicts in section and with parts cut away a splined connection according to the invention
  • FIGS. 4 and 5 depict schematically in different working positions an arrangement for for the forming of a splined component according to the invention.
  • FIGS. 1 and 2 depict a propeller shaft denoted generally by ref. 10 and provided with components according to the present invention.
  • the propeller shaft 10 comprises in a known manner a torque tube 12, one end of which has a splined coupling 20 to a universal coupling fork 40. Only the torque tube 12 itself is of conventional design, whereas the main components of the splined coupling 20 and the coupling fork 40 are configured according to the invention.
  • the splmed coupling 20 comprises an inner splined component 22 and an outer splined component 32.
  • the inner splined component 22 has external ridges 24 and external grooves 26, whereas the outer splined component 32 has corresponding internal ridges 34 and internal grooves 36, so that the inner splined component 22 can by telescopic movement be accommodated in the outer splined component 32 and that torque can at the same time be transmitted between the components 22, 32.
  • each of the splined components 22 and 32 is produced by press hardening of a thin- walled piece of tube made of unhardened boron steel. It is known per se that a hardenable steel with a small addition of boron can be press- hardened to become an ultra high-strength steel with an elastic limit (yield point) of approximately 1100 MPa. Press hardening here means hot forming of a heated workpiece which is hardened by rapid cooling.
  • Each of the splined components 22, 32 may be formed by a forming arrangement 60 schematically depicted in FIGS. 4 and 5.
  • a fixed inner forming element 62 has an outside contour matching the inside contour of the splined component 22, 32 which is to be produced.
  • Radially movable outer forming elements 68 are evenly distributed round the inner forming element 62 and can be driven to and fro by linear actuators 72.
  • a splined component such as the component 22 is formed from a thin-walled piece of tube or tube blank 30 which has been furnace-preheated to, for example, 940°C.
  • the heated tube blank 30 is slipped over the inner forming element 62 as depicted in FIG. 4.
  • all the actuators 72 are activated so that each of the movable forming elements 68 presses the portion of the tube blank 30 which faces it radially into a relating recess 64 in the fixed forming element 62.
  • the shape of the movable forming elements 68 may be such that in the applied position they precisely cover the whole circumference (not depicted) of the blank 30, i.e.
  • each of the movable forming elements 68 which enter the recesses 64 it is possible, as indicated in FIGS. 4 and 5, for there to be instead separate forming elements 70 which resihently engage with the portions of the tube blank 30 which rest on the protrusions 66.
  • the respective outer ends 28 and 38 facing away from one another of the coupled- together splined components 22 and 32 are intended, as depicted in FIG. 1, to be connected respectively to the universal coupling fork 40 and the torque tube 12.
  • the ends 28 and 38 therefore maintain a circular cylindrical shape. This is achieved in an undepicted manner by corresponding shape of the inner forming element 62 and the outer forming elements 68 so that the ridges 24, 34 and the grooves 26, 36 terminate in a rounded manner at a distance from the ends 28, 38.
  • the torque tube 12 and the coupling fork 40 are connected to the splined components by laser welding. Using laser welding involves no risk of the hardened parts being heated to such an extent that the steel material loses hardness.
  • the completed splined component 22 is rapidly cooled in a conventional manner, e.g. by water.
  • the fixed and movable forming elements 62, 68, 70 may be provided with undepicted internal ducts in which the water can circulate.
  • the universal coupling fork 40 is likewise manufactured by hot forming and press hardening of thin- walled unhardened boron steel. As may be seen in FIG. 2, the coupling fork 40 is made up of two parts, viz. an outer fork piece 42 and an inner fork piece 46.
  • the outer fork piece 42 may be formed from an undepicted tube blank, while the inner fork piece 46, which has a bottom 50, may be formed by deep drawing from an undepicted flat sheet blank.
  • the fork pieces 42 and 46 in FIGS. 1 and 2 are depicted with a circular cylindrical shape, it is preferable that they actually have a more cup-shaped outer periphery which widens from the region 28 of connection with the splined component 22.
  • Each of the fork pieces 42, 46 further has in a conventional manner a pair of transverse spindle holes 44, 44 and 48, 48 respectively for an undepicted coupling cross.
  • a pair of bearing bushes 52, 52 extend through the spindle holes as pivotable supports for the spindle ends of the undepicted coupling cross.
  • Each bearing bush 52 may be laser- welded to the coupling fork 42.
  • the outer contour of the fork piece 46 has a fine fit to the inner contour of the outer fork piece 42.
  • the fork pieces 42, 46 may be connected together by adhesive bonding.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Sawing (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Heat Treatment Of Articles (AREA)
  • Laser Beam Processing (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un composant destiné à une connexion cannelée comprenant une partie d'arbre (22, 32) dotée de cannelures (24, 34) et de rainures (26, 36) longitudinales alternant mutuellement dans le sens de la circonférence et destinées au niveau, d'une première extrémité, à recevoir dans un sens axial un arbre correspondant (32, 22) doté de cannelures (34, 24) et de rainures (36, 26) complémentaires. Pour obtenir un composant plus léger et meilleur marché qu'antérieurement sans réduire les s caractéristiques de résistance, on propose notamment que le composant (22, 32) doté de cannelures (24, 34) et de rainures (26, 36) soit produit par trempe à la presse d'un tube à paroi mince en acier au bore.
PCT/SE2005/000841 2004-06-10 2005-06-03 Partie de joint de cannelure WO2005121582A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112005001328T DE112005001328T5 (de) 2004-06-10 2005-06-03 Bauteil für genutete Verbindung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0401473A SE525750C2 (sv) 2004-06-10 2004-06-10 Komponent för ett splinesförband samt förfarande och anordning för framställning av en sådan komponent
SE0401473-4 2004-06-10

Publications (1)

Publication Number Publication Date
WO2005121582A1 true WO2005121582A1 (fr) 2005-12-22

Family

ID=32653566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2005/000841 WO2005121582A1 (fr) 2004-06-10 2005-06-03 Partie de joint de cannelure

Country Status (3)

Country Link
DE (1) DE112005001328T5 (fr)
SE (1) SE525750C2 (fr)
WO (1) WO2005121582A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100229618A1 (en) * 2008-12-18 2010-09-16 Eugene Gekht Method and apparatus for forming a turbofan mixer
WO2012006335A1 (fr) * 2010-07-06 2012-01-12 Szuba Consulting, Inc. Ensemble arbre repliable
CN103264120A (zh) * 2013-05-31 2013-08-28 长春一汽富维江森自控汽车金属零部件有限公司 汽车座垫后管冷成型工艺
WO2017095927A1 (fr) * 2015-12-04 2017-06-08 Baker Hughes Incorporated Procédé de renforcement tubulaire et de formation de motifs pour transfert de chaleur amélioré

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007037784B4 (de) * 2007-08-07 2020-07-09 Elisabeth Braun Verzahnungsbauteil zur Übertragung von Antriebskräften
DE102008025165B4 (de) * 2008-05-26 2013-06-06 Elisabeth Braun Antriebsbauteil
DE102014017407A1 (de) * 2014-11-26 2016-06-02 Thyssenkrupp Ag Verfahren zur Herstellung einer profilierten Hohlwelle für eine teleskopierbare Lenkwelle und teleskopierbare Lenkwelle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470290A (en) * 1981-09-04 1984-09-11 Anderson-Cook, Inc. Thin-wall sleeve forming
US20030066581A1 (en) * 2001-10-05 2003-04-10 Benteler Automobiltechnik Gmbh & Co. Kg Method of making a hardened sheet metal article

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470290A (en) * 1981-09-04 1984-09-11 Anderson-Cook, Inc. Thin-wall sleeve forming
US20030066581A1 (en) * 2001-10-05 2003-04-10 Benteler Automobiltechnik Gmbh & Co. Kg Method of making a hardened sheet metal article

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100229618A1 (en) * 2008-12-18 2010-09-16 Eugene Gekht Method and apparatus for forming a turbofan mixer
US9616484B2 (en) * 2008-12-18 2017-04-11 Pratt & Whitney Canada Corp. Method and apparatus for forming a turbofan mixer
WO2012006335A1 (fr) * 2010-07-06 2012-01-12 Szuba Consulting, Inc. Ensemble arbre repliable
US8226490B2 (en) 2010-07-06 2012-07-24 Szuba Consulting, Inc. Collapsible shaft assembly
CN103264120A (zh) * 2013-05-31 2013-08-28 长春一汽富维江森自控汽车金属零部件有限公司 汽车座垫后管冷成型工艺
CN103264120B (zh) * 2013-05-31 2015-05-06 长春一汽富维江森自控汽车金属零部件有限公司 汽车座垫后管冷成型工艺
WO2017095927A1 (fr) * 2015-12-04 2017-06-08 Baker Hughes Incorporated Procédé de renforcement tubulaire et de formation de motifs pour transfert de chaleur amélioré

Also Published As

Publication number Publication date
SE0401473L (sv) 2005-04-19
DE112005001328T5 (de) 2007-05-03
SE0401473D0 (sv) 2004-06-10
SE525750C2 (sv) 2005-04-19

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