EP1252946A3 - Method for producing rotationally symmetric parts - Google Patents

Method for producing rotationally symmetric parts Download PDF

Info

Publication number
EP1252946A3
EP1252946A3 EP02002515A EP02002515A EP1252946A3 EP 1252946 A3 EP1252946 A3 EP 1252946A3 EP 02002515 A EP02002515 A EP 02002515A EP 02002515 A EP02002515 A EP 02002515A EP 1252946 A3 EP1252946 A3 EP 1252946A3
Authority
EP
European Patent Office
Prior art keywords
tube
wall thickness
rotationally symmetric
symmetric parts
producing rotationally
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
EP02002515A
Other languages
German (de)
French (fr)
Other versions
EP1252946B1 (en
EP1252946A2 (en
Inventor
Jochen Dr.-Ing. Ginsberg
Thomas Dr.-Ing. Muhr
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.)
Muhr und Bender KG
Original Assignee
Muhr und Bender 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7682753&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1252946(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Muhr und Bender KG filed Critical Muhr und Bender KG
Publication of EP1252946A2 publication Critical patent/EP1252946A2/en
Publication of EP1252946A3 publication Critical patent/EP1252946A3/en
Application granted granted Critical
Publication of EP1252946B1 publication Critical patent/EP1252946B1/en
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
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/12—Shaping end portions of hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • 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
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit

Abstract

A tube with constant outer diameter and wall thickness is formed into a shaft with esp. smaller diameter and higher wall thickness. A tube with wall thickness corresponding to the smallest wall thickness of the finished part is partially heated, the heated section is axially upset, and radially forged. The tube is a welded not redrawn part. Upsetting and forging take place in a single working stage while a mandrel is inserted into at least a part of the tube.
EP02002515A 2001-04-25 2002-02-02 Method for producing rotationally symmetric parts Expired - Lifetime EP1252946B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10120392 2001-04-25
DE10120392A DE10120392B4 (en) 2001-04-25 2001-04-25 Process for producing rotationally symmetrical components

Publications (3)

Publication Number Publication Date
EP1252946A2 EP1252946A2 (en) 2002-10-30
EP1252946A3 true EP1252946A3 (en) 2003-10-08
EP1252946B1 EP1252946B1 (en) 2006-04-12

Family

ID=7682753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02002515A Expired - Lifetime EP1252946B1 (en) 2001-04-25 2002-02-02 Method for producing rotationally symmetric parts

Country Status (5)

Country Link
US (1) US7275407B2 (en)
EP (1) EP1252946B1 (en)
JP (1) JP2002321035A (en)
AT (1) ATE322949T1 (en)
DE (2) DE10120392B4 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460138C (en) * 2004-08-19 2009-02-11 中国北车集团大同电力机车有限责任公司 Integrated forging method of flange type step thin wall long sheath forging
US20080061555A1 (en) * 2005-02-16 2008-03-13 Colin Knight Flared cone fitting
US7776166B2 (en) * 2006-12-05 2010-08-17 Praxair Technology, Inc. Texture and grain size controlled hollow cathode magnetron targets and method of manufacture
DE102007023173A1 (en) * 2007-05-22 2008-11-27 Benteler Automobiltechnik Gmbh Process for machining the ends of pipes
US20100068428A1 (en) * 2007-05-26 2010-03-18 Neumayer Tekfor Holding Gmbh Method for Producing Hollow Shaft Base Bodies and Hollow Shaft Base Body Produced Thereby
DE102007053551A1 (en) 2007-11-07 2009-05-28 Rauschnabel, Eberhard, Dr.-Ing. Method for cross-sectional modification of hollow units, involves heating hollow unit, and partial axial upsetting is carried out inwards and outwards at hollow parting
US7922593B2 (en) * 2008-10-23 2011-04-12 American Axle & Manufacturing, Inc. Driveshaft assembly
CN101987343B (en) * 2009-08-07 2012-12-05 上海重型机器厂有限公司 Forging method of conical cylinder body of nuclear power equipment
DE102010015835A1 (en) 2010-04-20 2011-10-20 IFUTEC Ingenieurbüro für Umformtechnik GmbH Method for machine manufacturing of cylindrical, particularly hollow work-pieces, involves utilizing metallic material and axially compressing work-piece in pressing tool under influence of press plunger
GB2486224B8 (en) * 2010-12-07 2013-06-19 Europ Technical Ct Etc Steering Nsk Deutschland Gmbh Tailored thickness steering tube
CN102581153A (en) * 2012-01-06 2012-07-18 昌河飞机工业（集团）有限责任公司 Processing method of closed-up pull rod
DE102012106423A1 (en) * 2012-07-17 2014-01-23 Benteler Automobiltechnik Gmbh Method for producing a pipe stabilizer for a motor vehicle
KR101389193B1 (en) 2012-09-11 2014-04-24 현대위아 주식회사 Producing method of shaft for constant velocity joint
CN104668892B (en) * 2013-12-02 2018-01-16 江西昌河航空工业有限公司 Helicopter closed-up pull rod processing technology
DE102014014818A1 (en) * 2014-04-06 2015-11-12 IFUTEC Ingenieurbüro für Umformtechnik GmbH Hot-cold forming of hollow bodies
WO2016162857A1 (en) * 2015-04-10 2016-10-13 Tecniforja – Forjagem E Estampagem De Peças Técnicas, Lda Hot steel forging in horizontal press
JP6521914B2 (en) * 2016-07-26 2019-05-29 トヨタ自動車株式会社 Manufacturing method, manufacturing method of stabilizer and mold for manufacturing stabilizer
US11122741B2 (en) * 2018-01-30 2021-09-21 Cnh Industrial America Llc Stalk roller assembly for an agricultural system
DE102018005356A1 (en) * 2018-07-05 2020-01-09 Neumayer Tekfor Engineering Gmbh Method and device for manufacturing a tube and tube made accordingly
KR102174259B1 (en) * 2018-09-28 2020-11-04 일진제강(주) Hollow Drive Shaft Using Upsetting Process and Method for Manufacturing Hollow Drive Shaft Thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133091A (en) * 1936-10-07 1938-10-11 Clark Equipment Co Axle and method of forming same
US2256065A (en) * 1939-10-21 1941-09-16 Pittsburgh Steel Co Tubular car axle and method for making it
DE1804673A1 (en) * 1968-10-23 1970-06-11 Benteler Werke Ag Axle for motor vehicles or the like and process for their production
DE3142480A1 (en) * 1980-12-22 1982-07-22 GFM-Gesellschaft für Fertigungstechnik und Maschinenbau GmbH, 4403 Steyr "METHOD FOR PRODUCING LOCAL COAT REINFORCEMENTS ON HOLLOW BODIES"
US4380480A (en) * 1981-01-20 1983-04-19 Vallourec Method of making one-piece tubular axle blanks and the produced axle blanks

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054244A (en) * 1936-07-10 1936-09-15 William W Criley Method of extruding socket forgings
US3564896A (en) * 1965-09-03 1971-02-23 North American Rockwell Method of making axle beam
US3585832A (en) * 1968-06-14 1971-06-22 Battelle Development Corp Metal working
DE2812803C2 (en) * 1978-03-23 1982-11-18 Laeis-Werke Ag, 5500 Trier Device for upsetting pipe ends, in particular for drill rod pipes with welding neck connectors
JPS63149038A (en) * 1986-12-15 1988-06-21 Nippon Steel Corp Method for working steel pipe end part by outer upsetting press
DE19818653A1 (en) * 1998-04-25 1999-10-28 Bpw Bergische Achsen Kg One piece axle for trailer with strengthened axle ends

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133091A (en) * 1936-10-07 1938-10-11 Clark Equipment Co Axle and method of forming same
US2256065A (en) * 1939-10-21 1941-09-16 Pittsburgh Steel Co Tubular car axle and method for making it
DE1804673A1 (en) * 1968-10-23 1970-06-11 Benteler Werke Ag Axle for motor vehicles or the like and process for their production
DE3142480A1 (en) * 1980-12-22 1982-07-22 GFM-Gesellschaft für Fertigungstechnik und Maschinenbau GmbH, 4403 Steyr "METHOD FOR PRODUCING LOCAL COAT REINFORCEMENTS ON HOLLOW BODIES"
US4380480A (en) * 1981-01-20 1983-04-19 Vallourec Method of making one-piece tubular axle blanks and the produced axle blanks

Also Published As

Publication number Publication date
DE10120392B4 (en) 2004-09-23
EP1252946B1 (en) 2006-04-12
JP2002321035A (en) 2002-11-05
US20020160844A1 (en) 2002-10-31
ATE322949T1 (en) 2006-04-15
US7275407B2 (en) 2007-10-02
EP1252946A2 (en) 2002-10-30
DE50206354D1 (en) 2006-05-24
DE10120392A1 (en) 2002-10-31

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