ATE549104T1 - METHOD FOR EXTRUDING A HOLLOW LIGHT METAL ELEMENT - Google Patents

METHOD FOR EXTRUDING A HOLLOW LIGHT METAL ELEMENT

Info

Publication number
ATE549104T1
ATE549104T1 AT04732202T AT04732202T ATE549104T1 AT E549104 T1 ATE549104 T1 AT E549104T1 AT 04732202 T AT04732202 T AT 04732202T AT 04732202 T AT04732202 T AT 04732202T AT E549104 T1 ATE549104 T1 AT E549104T1
Authority
AT
Austria
Prior art keywords
light
die
extruding
metal material
hollow
Prior art date
Application number
AT04732202T
Other languages
German (de)
Inventor
Sumihiko Maeno
Akira Sakae
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of ATE549104T1 publication Critical patent/ATE549104T1/en

Links

Classifications

    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • 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
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies
    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Glass Compositions (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

It is an object to realize and establish new extrusion technology for manufacturing a light-metal hollow member (product) having excellent mechanical properties with constant stability and also efficiently manufacturing the product having a strength satisfying a required level at low cost, by using a hollow die such as a bridge die. The object is achieved by dividing and joining/welding a light-metal material with a hollow extrusion die and then extruding the light-metal material to form in a desired cross-sectional shape through a die opening, wherein the strain level applied to the light-metal material after the joining/welding is maintained at 1.8 or more and the extrusion is performed.
AT04732202T 2003-05-23 2004-05-11 METHOD FOR EXTRUDING A HOLLOW LIGHT METAL ELEMENT ATE549104T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003146839 2003-05-23
PCT/JP2004/006601 WO2004103596A1 (en) 2003-05-23 2004-05-11 Method of extruding hollow light metal member, die for extruding hollow light metal, and memeber for extruding hollow light metal

Publications (1)

Publication Number Publication Date
ATE549104T1 true ATE549104T1 (en) 2012-03-15

Family

ID=33475313

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04732202T ATE549104T1 (en) 2003-05-23 2004-05-11 METHOD FOR EXTRUDING A HOLLOW LIGHT METAL ELEMENT

Country Status (7)

Country Link
EP (1) EP1637246B1 (en)
KR (1) KR100674779B1 (en)
CN (1) CN100366356C (en)
AT (1) ATE549104T1 (en)
DK (1) DK1637246T3 (en)
TW (1) TWI251513B (en)
WO (1) WO2004103596A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5010196B2 (en) * 2006-07-18 2012-08-29 株式会社神戸製鋼所 Heat-resistant aluminum alloy shape manufacturing method, heat-resistant aluminum alloy shape material and heat-resistant aluminum alloy shape forming apparatus
DE102020128163B3 (en) * 2020-10-27 2022-02-17 Helmholtz-Zentrum Hereon Gmbh Mold and process for the extrusion of metallic materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520168A (en) * 1966-08-01 1970-07-14 Dow Chemical Co Feederhole die
US3575030A (en) * 1967-11-01 1971-04-13 Dow Chemical Co Slanted weld extrusion process
CN2155964Y (en) * 1993-06-02 1994-02-16 蔡志忠 Aluminium extruding pipe shaping die
JP4174173B2 (en) * 2000-07-03 2008-10-29 株式会社神戸製鋼所 Method and apparatus for extrusion of hollow cross-section metal products
JP2002185151A (en) * 2000-12-19 2002-06-28 Oki Electric Ind Co Ltd Multilayer printed wiring board
JP2003013191A (en) * 2001-06-28 2003-01-15 Ngk Insulators Ltd Straight pipe made from metal mainly including aluminum, manufacturing method therfor, and inspection method

Also Published As

Publication number Publication date
KR100674779B1 (en) 2007-01-25
CN100366356C (en) 2008-02-06
CN1795063A (en) 2006-06-28
EP1637246A4 (en) 2008-06-18
TW200425967A (en) 2004-12-01
DK1637246T3 (en) 2012-05-29
KR20060004699A (en) 2006-01-12
EP1637246B1 (en) 2012-03-14
TWI251513B (en) 2006-03-21
WO2004103596A1 (en) 2004-12-02
EP1637246A1 (en) 2006-03-22

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