ES2173211T3 - Mecanizado de un metal con memoria. - Google Patents

Mecanizado de un metal con memoria.

Info

Publication number
ES2173211T3
ES2173211T3 ES95941296T ES95941296T ES2173211T3 ES 2173211 T3 ES2173211 T3 ES 2173211T3 ES 95941296 T ES95941296 T ES 95941296T ES 95941296 T ES95941296 T ES 95941296T ES 2173211 T3 ES2173211 T3 ES 2173211T3
Authority
ES
Spain
Prior art keywords
memory
gross
piece
metal
niti
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
ES95941296T
Other languages
English (en)
Inventor
Tomas Thorvaldsson
Johan Frodigh
Ola Forssell
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.)
Sandvik AB
Original Assignee
Sandvik AB
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 Sandvik AB filed Critical Sandvik AB
Application granted granted Critical
Publication of ES2173211T3 publication Critical patent/ES2173211T3/es
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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/22—Making metal-coated products; Making products from two or more metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, rods or tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • B21C33/002—Encapsulated billet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • B21C33/004—Composite billet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Metal Extraction Processes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Forging (AREA)
  • Magnetic Heads (AREA)
  • Materials For Medical Uses (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Weting (AREA)

Abstract

UN TUBO DE METAL CON MEMORIA DE FORMA BASADO EN NITI SE PRODUCE MEDIANTE EXTRUSION, SEGUN LA CUAL: A) SE EMPIEZA A PARTIR DE UNA PIEZA BRUTA DE UN METAL CON MEMORIA DE FORMA; B) SE PERFORA UN AGUJERO CENTRAL EN DICHA PIEZA BRUTA; C) SE INTRODUCE UN NUCLEO EN DICHO AGUJERO CENTRAL, TRAS LO CUAL SE CUBRE LA PIEZA BRUTA CON UNA ENVOLTURA, Y PRERENTEMENTE TAMBIEN CON DOS GABLETES, DE MODO QUE LA PIEZA BRUTA QUEDA AISLADA DE LA ATMOSFERA CIRCUNDANTE; D) LA PIEZA CUBIERTA SE CALIENTA Y EXTRUYE; E) SE QUITAN LOS EXTREMOS DE LA PIEZA BRUTA EXTRUIDA; Y F) SE QUITAN TAMBIEN EL NUCLEO Y LA CUBIERTA CIRCUNDANTE. DE SE MODO SE PUEDEN PRODUCIR TUBOS DE METAL CON MEMORIA DE FORMA BASADOS EN NITI DE UN LARGO NUNCA CONSEGUIDO HASTA LA FECHA, TAL COMO 1/2 M.
ES95941296T 1994-12-07 1995-12-05 Mecanizado de un metal con memoria. Expired - Lifetime ES2173211T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9404243A SE505247C2 (sv) 1994-12-07 1994-12-07 Förfarande för tillverkning av rör av minnesmetall

Publications (1)

Publication Number Publication Date
ES2173211T3 true ES2173211T3 (es) 2002-10-16

Family

ID=20396247

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95941296T Expired - Lifetime ES2173211T3 (es) 1994-12-07 1995-12-05 Mecanizado de un metal con memoria.

Country Status (9)

Country Link
EP (1) EP0805724B1 (es)
JP (1) JPH10505007A (es)
AT (1) ATE213671T1 (es)
CA (1) CA2206310A1 (es)
DE (1) DE69525658T2 (es)
ES (1) ES2173211T3 (es)
FI (1) FI112609B (es)
SE (1) SE505247C2 (es)
WO (1) WO1996017698A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6453536B1 (en) 1997-10-31 2002-09-24 G. Rau Gmbh & Co. Method for producing hollow nickel titanium profiles
JP3557092B2 (ja) * 1998-04-16 2004-08-25 古河電気工業株式会社 ＮｉＴｉ合金パイプの製造方法
CN100337764C (zh) * 2005-04-27 2007-09-19 中国科学院金属研究所 一种NiTi合金管坯高速率热挤压方法
JP5123740B2 (ja) * 2008-05-26 2013-01-23 新日鐵住金株式会社 無遊間接続用のレール継目板の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014063B (de) * 1952-10-01 1957-08-22 Comptoir Ind Etirage Warmpressverfahren zur Herstellung mehrschichtiger Metallstaebe oder -rohre
SE441336B (sv) * 1978-10-26 1985-09-30 Nyby Uddeholm Ab Kapsel for cylindriska pressemnen for extrudering

Also Published As

Publication number Publication date
FI112609B (fi) 2003-12-31
EP0805724A2 (en) 1997-11-12
EP0805724B1 (en) 2002-02-27
FI972393L (fi) 1997-06-05
WO1996017698A1 (en) 1996-06-13
SE505247C2 (sv) 1997-07-21
ATE213671T1 (de) 2002-03-15
FI972393A0 (fi) 1997-06-05
SE9404243L (sv) 1996-06-08
DE69525658T2 (de) 2002-11-28
DE69525658D1 (de) 2002-04-04
JPH10505007A (ja) 1998-05-19
CA2206310A1 (en) 1996-06-13
SE9404243D0 (sv) 1994-12-07

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