WO2005016570A1 - Procede de fabrication de corps creux, corps creux et utilisation du corps creux - Google Patents

Procede de fabrication de corps creux, corps creux et utilisation du corps creux Download PDF

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Publication number
WO2005016570A1
WO2005016570A1 PCT/DE2004/001338 DE2004001338W WO2005016570A1 WO 2005016570 A1 WO2005016570 A1 WO 2005016570A1 DE 2004001338 W DE2004001338 W DE 2004001338W WO 2005016570 A1 WO2005016570 A1 WO 2005016570A1
Authority
WO
WIPO (PCT)
Prior art keywords
forming process
hollow body
hollow
workpiece
wall thickness
Prior art date
Application number
PCT/DE2004/001338
Other languages
German (de)
English (en)
Inventor
Ronald Claus
Andreas Mertz
Original Assignee
Willy Voit Gmbh & 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 Willy Voit Gmbh & Co. Kg filed Critical Willy Voit Gmbh & Co. Kg
Priority to EP04738787A priority Critical patent/EP1654079A1/fr
Priority to DE112004002046T priority patent/DE112004002046D2/de
Publication of WO2005016570A1 publication Critical patent/WO2005016570A1/fr

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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B21D22/16—Spinning over shaping mandrels or formers

Definitions

  • the invention relates to a method for producing weldable, high-strength hollow bodies from a tubular blank, to which a diameter and / or wall thickness gradation with at least one conical or stepped transition is formed by means of cold forming by pressure rolling. It also relates to a hollow body and the use of the hollow body.
  • Hollow drive shafts are increasingly being used in automotive engineering because, due to their lower weight and largely variable geometrical design compared to solid shafts, they make a contribution both to the saving of lubricant and to improved comfort ( ⁇ VH behavior).
  • the "method for producing targeted material accumulations on hollow shafts" described in DE 101 29 671 A1 relates to the production of a shaft collar with locally increased wall thickness by kneading and upsetting.
  • a hollow shaft is known from DE 40 22 692 C2, in which the central tube area is hammered and / or stretched to a reduced wall thickness and optionally expanded hydraulically.
  • the end areas in the form of inner and outer joint parts are manufactured here using forming technologies such as hammering (round kneading), forging or pressing.
  • DE 100 05 578 AI describes a method for producing a hollow body with a step-shaped shoulder from a roll-shaped workpiece, in which a conical region is first formed on the tubular workpiece, which area is heated in a targeted manner becomes. An axial compressive force is then exerted on the workpiece, so that the heated conical region is compressed and shaped into the step-shaped shoulder.
  • the object of the invention is to provide a method which, with greater flexibility in terms of shape and production sequence, enables an application-optimized, high-strength, weldable hollow body at lower production costs.
  • This object is achieved according to the invention by a method for producing one-piece hollow bodies according to the preamble, which is characterized in that the shaping process is carried out by pressure rolling, at least the deformed area being cooled during the shaping process.
  • the advantages of the invention lie essentially in a lower investment, in lower unit costs and in the fact that noise protection housing is not required.
  • the workpiece is clamped in a non-machined area during the forming process. Furthermore, it is within the scope of the invention that a mandrel is introduced into the machined area of the workpiece during the forming process.
  • rolled, laser-welded tubes are used as semi-finished products.
  • thermomechanically strengthened sheet metal a rolled, laser-welded tube, preferably made of thermomechanically strengthened sheet metal, is used as the starting material. Due to the thermomechanical hardening of the material, there is no loss of strength due to recrystallization in the unprocessed structure, even under the influence of temperature.
  • the tubular workpiece consists of a low-alloy steel of high strength, preferably of the SXXXMC type, particularly preferably S700MC.
  • Such steels with a carbon content of C ⁇ 0.15% are easy to weld and deform.
  • Such a hollow body can be used in numerous areas.
  • the procedure according to the invention for the production of hollow shafts offers technical and economic advantages of reducing weight with the same and even higher strength requirements, and optimal coordination with regard to weld cross-section and cross-section in the free tube as well as high flexibility in the shape of the tube.
  • cylindrical, thick or thin-walled tubes can be produced on the outside, cylindrical, thick or thin-walled tubes on the inside, tubes stepped inwards or outwards and conical, symmetrical and asymmetrical tubes.
  • the pressure rolling is faster in comparison to the round kneading and errors in the tube are discovered that would be hidden during the round kneading (automatic quality control).
  • the strength of the material drops less in the heat transfer zone of the spigot-shaft pairing than, for example, with C45 as a material.
  • Fig. 2 different pipe sections that can be produced by the method according to the invention.
  • a rolled (bending roll technique) laser welded tube 1 made of thermomechanically strengthened sheet metal is used as the starting product, which consists of a low-alloy steel of high strength with a carbon content C ⁇ 0.15%, for example of S700MC.
  • a first processing step (FIG. 1), the tube 1 is stretched to the desired outside diameter in its central region by means of pressure rollers A, a mandrel 3 being introduced into the interior of the tube 1 in the present case. Press rolling without mandrel 3 is also possible.
  • three pressure rollers A are used which are evenly distributed over the circumference. During this process, the outer diameter and possibly the wall thickness in the stretched area is reduced during the Outside diameter and wall thickness remain the same in the other areas.
  • the extension of tube 1 is now:
  • the wall thickness in the region of larger outer diameters is greater than or equal to the wall thickness in the region of small outer diameters.
  • the workpiece is cooled intensively with a cooling liquid, for example an oil-water cooling lubricant.
  • a cooling liquid for example an oil-water cooling lubricant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un procédé de fabrication de corps creux (1) très résistants, soudables, à partir d'une ébauche tubulaire, à laquelle on applique un échelonnement du diamètre et/ou de l'épaisseur de paroi par formage à froid à l'aide de cylindres de compression (A), comportant au moins une transition conique ou échelonnée. L'invention concerne également un corps creux et l'utilisation du corps creux. L'invention vise à mettre en oeuvre un procédé permettant de fabriquer à moindres coûts un corps creux (1) soudable, très résistant, optimisé en vue de l'application, caractérisé par une plus grande flexibilité dans le formage et la chaîne de finition. A cet effet, le processus de formage est effectué à l'aide de cylindres de compression et au moins la zone formée est refroidie au cours du processus de formage.
PCT/DE2004/001338 2003-08-14 2004-06-25 Procede de fabrication de corps creux, corps creux et utilisation du corps creux WO2005016570A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04738787A EP1654079A1 (fr) 2003-08-14 2004-06-25 Procede de fabrication de corps creux, corps creux et utilisation du corps creux
DE112004002046T DE112004002046D2 (de) 2003-08-14 2004-06-25 Verfahren zum Herstellen von Hohlkörpern, Hohlkörper und Verwendung des Hohlkörpers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10337929.0 2003-08-14
DE2003137929 DE10337929A1 (de) 2003-08-14 2003-08-14 Verfahren zur Herstellung von einteiligen Hohlkörpern mit profilierten Endbereichen, Hohlkörper und Verwendung der Hohlkörper

Publications (1)

Publication Number Publication Date
WO2005016570A1 true WO2005016570A1 (fr) 2005-02-24

Family

ID=34177676

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/DE2004/001338 WO2005016570A1 (fr) 2003-08-14 2004-06-25 Procede de fabrication de corps creux, corps creux et utilisation du corps creux
PCT/DE2004/001337 WO2005016569A1 (fr) 2003-08-14 2004-06-25 Procede de fabrication de corps creux monopieces, corps creux et utilisation du corps creux

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DE2004/001337 WO2005016569A1 (fr) 2003-08-14 2004-06-25 Procede de fabrication de corps creux monopieces, corps creux et utilisation du corps creux

Country Status (3)

Country Link
EP (2) EP1654079A1 (fr)
DE (2) DE10337929A1 (fr)
WO (2) WO2005016570A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2030703A1 (fr) * 2007-08-30 2009-03-04 ThyssenKrupp Bilstein Suspension GmbH Procédé et dispositif de laminage transversal d'arbres creux ou de pièces creuses cylindriques dégradés d'un tuyau
EP3213837A1 (fr) * 2016-03-03 2017-09-06 SchmitterGroup AG Tube de pare-chocs et son procédé de fabrication
WO2022122645A1 (fr) * 2020-12-07 2022-06-16 Winkelmann Powertrain Components Gmbh & Co. Kg Procédé de fabrication d'un arbre de rotor

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033647B3 (de) * 2009-07-17 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Veränderung der Korngröße in einem massiven, zylindrischen Werkstück und Werkstück
DE102010028474A1 (de) * 2010-05-03 2011-11-03 Hilti Aktiengesellschaft Hohlbohrer und Herstellungsverfahren
DE102010027093A1 (de) 2010-07-13 2012-01-19 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Hohlprofils aus Metall
EP2716377B1 (fr) 2012-10-05 2016-03-02 Zaklad Produkcji Sprzetu Oswietleniowego "ROSA"-Stanislaw ROSA Méthode de fabrication d'un élément tubulaire conique
CN103521620B (zh) * 2013-10-25 2015-07-29 中山市奥美森工业有限公司 一种用于旋压成型的模具
KR101796700B1 (ko) 2017-01-06 2017-11-13 주식회사 피엠에스 회전 마찰력을 이용한 스피닝 기술 응용 고급 승용차용 볼-타입 모노블럭 튜블라 샤프트의 제조방법
DE102019109183A1 (de) * 2019-04-08 2020-10-08 Winkelmann Powertrain Components GmbH & Co. KG. Verfahren zur Herstellung einer Hohlwelle
CN111250733B (zh) * 2020-02-26 2021-01-19 中国原子能科学研究院 一种超重长轴的加工方法
DE102021127200B3 (de) 2021-10-20 2022-12-08 Thyssenkrupp Steel Europe Ag Verfahren und Drückwalzmaschine zur Herstellung einer drückgewalzten Hohlwelle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180024A (en) * 1961-02-13 1965-04-27 Crucible Steel Co America Metal working process and apparatus
DE2327664A1 (de) * 1973-05-30 1974-12-19 Strobel Christian Hochleistungs-verfahren zum abstrecken bzw. zum einziehen von rohrkoerpern, sowie vorrichtung zu seiner anwendung auf das herstellen von behaeltern und rohren aus stahl und nichteisenmetallen
JPS57190729A (en) * 1981-05-18 1982-11-24 Toshiba Corp Spinning forming method
EP0151976A2 (fr) * 1984-01-24 1985-08-21 Leifeld GmbH & Co. Dispositif et procédé pour l'emboutissage au tour

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CH466190A (de) * 1967-09-07 1968-12-15 Prolizenz Ag Verfahren und Maschine zum Strecken von Metallnäpfen zu Dosenrümpfen
DE3009277C2 (de) * 1980-03-11 1984-12-20 Löhr & Bromkamp GmbH, 6050 Offenbach Gelenkwelle
DE4022692C2 (de) * 1990-07-17 1996-09-19 Gkn Automotive Ag Verfahren zur Herstellung einer Antriebswelle mit einstückig angeformten Gelenkkomponenten und danach hergestellte Antriebswelle
DE4307775A1 (de) * 1993-03-12 1994-09-15 Dynamit Nobel Ag Verfahren und Vorrichtung zur Herstellung von hochfesten Rohren
DE10005578C2 (de) * 2000-02-09 2001-09-13 Leico Werkzeugmaschb Gmbh & Co Verfahren und Drückwalzvorrichtung zum Herstellen eines Hohlkörpers
DE10129671A1 (de) * 2001-06-20 2003-01-02 Heislitz Frank Verfahren zur Herstellung gezielter Werkstoffanhäufung an hohlen Wellen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180024A (en) * 1961-02-13 1965-04-27 Crucible Steel Co America Metal working process and apparatus
DE2327664A1 (de) * 1973-05-30 1974-12-19 Strobel Christian Hochleistungs-verfahren zum abstrecken bzw. zum einziehen von rohrkoerpern, sowie vorrichtung zu seiner anwendung auf das herstellen von behaeltern und rohren aus stahl und nichteisenmetallen
JPS57190729A (en) * 1981-05-18 1982-11-24 Toshiba Corp Spinning forming method
EP0151976A2 (fr) * 1984-01-24 1985-08-21 Leifeld GmbH & Co. Dispositif et procédé pour l'emboutissage au tour

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 041 (M - 194) 18 February 1983 (1983-02-18) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2030703A1 (fr) * 2007-08-30 2009-03-04 ThyssenKrupp Bilstein Suspension GmbH Procédé et dispositif de laminage transversal d'arbres creux ou de pièces creuses cylindriques dégradés d'un tuyau
EP3213837A1 (fr) * 2016-03-03 2017-09-06 SchmitterGroup AG Tube de pare-chocs et son procédé de fabrication
WO2022122645A1 (fr) * 2020-12-07 2022-06-16 Winkelmann Powertrain Components Gmbh & Co. Kg Procédé de fabrication d'un arbre de rotor

Also Published As

Publication number Publication date
DE10337929A1 (de) 2005-03-17
WO2005016569A1 (fr) 2005-02-24
EP1654078A1 (fr) 2006-05-10
DE112004002046D2 (de) 2006-10-05
EP1654079A1 (fr) 2006-05-10

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