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DE59501906D1 - Process for producing a hollow profile - Google Patents

Process for producing a hollow profile

Info

Publication number
DE59501906D1
DE59501906D1 DE59501906T DE59501906T DE59501906D1 DE 59501906 D1 DE59501906 D1 DE 59501906D1 DE 59501906 T DE59501906 T DE 59501906T DE 59501906 T DE59501906 T DE 59501906T DE 59501906 D1 DE59501906 D1 DE 59501906D1
Authority
DE
Germany
Prior art keywords
profile
hollow profile
producing
sections
internal
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.)
Expired - Lifetime
Application number
DE59501906T
Other languages
German (de)
Inventor
Rupert Ing Wieser
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.)
GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG
Original Assignee
GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG
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 GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG filed Critical GFM Gesellschaft fuer Fertigungstechnik und Maschinenbau AG
Application granted granted Critical
Publication of DE59501906D1 publication Critical patent/DE59501906D1/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
    • B21K21/16—Remodelling hollow bodies with respect to the shape of the cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Ceramic Products (AREA)
  • Artificial Filaments (AREA)

Abstract

Cold forming process for a hollow profile (1) with two internal profile sections (2, 3) in angular alignment separated by an internal shoulder (4), wherein the profile sections (2, 3) are formed successively by pressing a blank (10) over corresponding mandrel profiles (12, 16), a first profile section (2) and/or reference profile (19) being formed in the first operation which is used to align the angular position of the second mandril profile (16) for forming the second profile section (3) in the next operation.
DE59501906T 1995-01-13 1995-01-13 Process for producing a hollow profile Expired - Lifetime DE59501906D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95890011A EP0721816B1 (en) 1995-01-13 1995-01-13 Method for the production of a hollow profile

Publications (1)

Publication Number Publication Date
DE59501906D1 true DE59501906D1 (en) 1998-05-20

Family

ID=8222174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59501906T Expired - Lifetime DE59501906D1 (en) 1995-01-13 1995-01-13 Process for producing a hollow profile

Country Status (3)

Country Link
EP (1) EP0721816B1 (en)
AT (1) ATE165025T1 (en)
DE (1) DE59501906D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062500C (en) * 1996-05-17 2001-02-28 曾绍谦 Metal Tube Hollow Plastic Forming Forging Method
DE19827191A1 (en) * 1998-06-18 1999-12-23 Volkswagen Ag Method for producing an inner profile of a sleeve-like metallic outer part and / or for producing an outer profile of a metallic inner part by kneading
AT501152B8 (en) * 2003-12-30 2007-02-15 Gfm Beteiligungs & Man Gmbh METHOD AND DEVICE FOR PRODUCING A CYLINDRICAL HOLLOW BODY FROM A BOARD
DE102013112123B4 (en) 2013-11-04 2019-09-05 Metaldyne Gmbh Metal sleeve and method for its production
DE102013226929A1 (en) * 2013-12-20 2015-06-25 Volkswagen Aktiengesellschaft Method and device for producing a hollow shaft by radial forming and hollow shaft produced therewith

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB789861A (en) * 1955-09-14 1958-01-29 Ingersoll Rand Canada Improvements in method of forming gun barrels
SE435907B (en) * 1981-02-03 1984-10-29 Ffv Affersverket DORN FOR MANUFACTURE OF INTERNAL THROUGH PIPES OR SHELTS

Also Published As

Publication number Publication date
EP0721816B1 (en) 1998-04-15
EP0721816A1 (en) 1996-07-17
ATE165025T1 (en) 1998-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition