ATE215412T1 - METHOD AND DEVICE FOR PRODUCING A HOLLOW SHAFT WITH OUTER RADIAL Elevations BY INTERNAL HIGH PRESSURE FORMING - Google Patents

METHOD AND DEVICE FOR PRODUCING A HOLLOW SHAFT WITH OUTER RADIAL Elevations BY INTERNAL HIGH PRESSURE FORMING

Info

Publication number
ATE215412T1
ATE215412T1 AT98116383T AT98116383T ATE215412T1 AT E215412 T1 ATE215412 T1 AT E215412T1 AT 98116383 T AT98116383 T AT 98116383T AT 98116383 T AT98116383 T AT 98116383T AT E215412 T1 ATE215412 T1 AT E215412T1
Authority
AT
Austria
Prior art keywords
block
high pressure
outer radial
raised
pressure forming
Prior art date
Application number
AT98116383T
Other languages
German (de)
Inventor
Bernd Dr-Ing Engel
Original Assignee
Schuler Hydroforming Gmbh & Co
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 Schuler Hydroforming Gmbh & Co filed Critical Schuler Hydroforming Gmbh & Co
Application granted granted Critical
Publication of ATE215412T1 publication Critical patent/ATE215412T1/en

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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/047—Mould construction
    • 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
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B21D15/10—Corrugating tubes transversely, e.g. helically by applying fluid pressure
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
    • B21D53/845—Making camshafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Forging (AREA)

Abstract

The shaft is fabricated from a preformed semi- finished product with outer radial raised parts, in an internal high pressure forming process. To move material into the forming zone during the process when the tool is closed, the raised parts are charged with an axial load. The tool (11) consists of a divided block with internal shaping showing a group of raised parts. A first axial block (16) has an aperture enclosing a raised part (7,5,3), while its end face (18) facing the other axial block (15) loads the next raised part (8). The second block loads the neighboring raised part (9). A central block (12) encloses the semi-finished product (1) between the loaded parts.
AT98116383T 1997-10-04 1998-08-29 METHOD AND DEVICE FOR PRODUCING A HOLLOW SHAFT WITH OUTER RADIAL Elevations BY INTERNAL HIGH PRESSURE FORMING ATE215412T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19743863A DE19743863A1 (en) 1997-10-04 1997-10-04 Method and device for producing a hollow shaft with external radial elevations by hydroforming

Publications (1)

Publication Number Publication Date
ATE215412T1 true ATE215412T1 (en) 2002-04-15

Family

ID=7844576

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98116383T ATE215412T1 (en) 1997-10-04 1998-08-29 METHOD AND DEVICE FOR PRODUCING A HOLLOW SHAFT WITH OUTER RADIAL Elevations BY INTERNAL HIGH PRESSURE FORMING

Country Status (4)

Country Link
EP (1) EP0906800B1 (en)
AT (1) ATE215412T1 (en)
DE (2) DE19743863A1 (en)
ES (1) ES2175576T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004030545B3 (en) * 2004-06-24 2006-01-05 Sebring Technology Gmbh Method and device for hydroforming a hollow profile
DE102004054324A1 (en) * 2004-11-10 2006-05-24 Joachim Hermann Schondelmaier Method and device for deforming workpieces
PL1801250T3 (en) * 2005-12-22 2018-02-28 Viega Technology Gmbh & Co. Kg Parts made from copper alloy with low migration for conduits conveying fluids or drinking water
JP4812570B2 (en) * 2006-09-13 2011-11-09 株式会社久保田鉄工所 Method and apparatus for forming hollow profile stepped shaft
DE102010051997A1 (en) * 2010-11-19 2012-05-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for producing a hollow component and a hollow component
EP2745951B1 (en) 2012-12-20 2014-11-19 C.R.F. Società Consortile per Azioni Method for producing a camshaft for an internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015354A (en) * 1956-12-11 1962-01-02 Standard Thomson Corp Flexible tube forming machine
US3704983A (en) * 1970-12-04 1972-12-05 Establissements Butin Gillet Method of and apparatus for the formation of tubular articles
JPS5976634A (en) * 1982-10-26 1984-05-01 Toshiba Corp Production of crank shaft
JPS59120326A (en) * 1982-12-28 1984-07-11 Toshiba Corp Forming method of crank shaft for compressor or the like
JP2661981B2 (en) * 1988-09-09 1997-10-08 正信 中村 Manufacturing method of pipe with projection
DE4427201C2 (en) * 1993-11-26 1996-09-12 Ges Innenhochdruckverfahren Process for the production of hollow camshafts
DE19622372B4 (en) * 1996-06-04 2006-06-01 Htm Härtetechnik & Metallbearbeitung Gmbh Method and device for producing camshafts

Also Published As

Publication number Publication date
DE59803596D1 (en) 2002-05-08
EP0906800A1 (en) 1999-04-07
ES2175576T3 (en) 2002-11-16
DE19743863A1 (en) 1999-04-15
EP0906800B1 (en) 2002-04-03

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Legal Events

Date Code Title Description
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