AR026043A1 - IMPROVED METHOD FOR HYDROFORMATION OF A GROSS ALUMINUM TUBULAR PIECE - Google Patents

IMPROVED METHOD FOR HYDROFORMATION OF A GROSS ALUMINUM TUBULAR PIECE

Info

Publication number
AR026043A1
AR026043A1 ARP000105402A AR026043A1 AR 026043 A1 AR026043 A1 AR 026043A1 AR P000105402 A ARP000105402 A AR P000105402A AR 026043 A1 AR026043 A1 AR 026043A1
Authority
AR
Argentina
Prior art keywords
blank
tubular
hydroforming
tubular blank
portions
Prior art date
Application number
Other languages
Spanish (es)
Original Assignee
Cosma Int Inc
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 Cosma Int Inc filed Critical Cosma Int Inc
Publication of AR026043A1 publication Critical patent/AR026043A1/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
    • B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
    • 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
    • B21D26/043—Means for controlling the axial pusher
    • 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
    • B21D26/053—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 characterised by the material of the blanks
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

Abstract

Un método para hidroformar una pieza bruta tubular de aleacion de aluminio dentro de una configuracion deseada, incluyendo la provision de una pieza brutatubular que presenta porciones de extremo longitudinales opuestos; calentar rápidamente lapieza bruta a una temperatura elevada por un breve periodo detiempo, los valores de la temperatura elevada y el leve periodo de tiempo son seleccionados de tal manera que luego del calentamiento rápido, la pieza brutatiene una dureza reducida pordebajo d e una dureza inicial sin cambiar significativamente de otra manera la micro estructura de la pieza bruta; enfriar lapieza bruta mientras que la pieza bruta se encuentra en o cerca de la temperatura elevada; disponer de la pieza brutaenfriada dentro de una cavidad de unamatriz de hidroformacion, la matriz de hidroformacion, presenta superficies interiores que provee la cavidad de matriz con una forma correspondiente a laconfiguracion deseada de la pieza bruta tubular; sellar lasporciones de ext remo longitudinalmente opuestas de la pieza bruta tubular; proveer el fluidopresurizado del hueco interior de la pieza bruta tubular y forzar relativamente a las porciones de extremo opuestas de la pieza bruta tubular hacia adentrounocon respecto a la otra de tal manera que el fluido presurizado expande diametralmente las porciones ablandadas temporalmente de la pieza bruta tubular para quela aleacion de aluminio ablandada temporalmente de la pieza bruta fluyalongitudinalmente a lo largo de la pieza bruta.A method for hydroforming a tubular aluminum alloy blank within a desired configuration, including provisioning a brutatubular piece having opposite longitudinal end portions; Quickly heat the gross cleaning at an elevated temperature for a short period of time, the high temperature values and the slight period of time are selected such that after rapid heating, the brute part has a reduced hardness below an initial hardness without changing significantly differently the micro structure of the blank; cool the raw part while the blank is at or near the elevated temperature; disposing of the cooled blank within a cavity of a hydroforming matrix, the hydroforming matrix, has interior surfaces that provide the die cavity with a shape corresponding to the desired configuration of the tubular blank; seal the longitudinally opposite portions of the tubular blank; provide the pressurized fluid from the inner hollow of the tubular blank and relatively force the opposite end portions of the tubular blank inwardly relative to each other such that the pressurized fluid diametrically expands the temporarily softened portions of the tubular blank The aluminum alloy temporarily softened from the blank flually longitudinally along the blank.

ARP000105402 1999-10-15 2000-10-13 IMPROVED METHOD FOR HYDROFORMATION OF A GROSS ALUMINUM TUBULAR PIECE AR026043A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15957099P 1999-10-15 1999-10-15

Publications (1)

Publication Number Publication Date
AR026043A1 true AR026043A1 (en) 2002-12-26

Family

ID=22573115

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000105402 AR026043A1 (en) 1999-10-15 2000-10-13 IMPROVED METHOD FOR HYDROFORMATION OF A GROSS ALUMINUM TUBULAR PIECE

Country Status (5)

Country Link
EP (1) EP1220725A1 (en)
AR (1) AR026043A1 (en)
AU (1) AU7637400A (en)
CA (1) CA2388263A1 (en)
WO (1) WO2001028708A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50202209D1 (en) * 2002-01-17 2005-03-17 Alcan Tech & Man Ag Hydroforming apparatus and use thereof
KR20040031175A (en) * 2002-10-04 2004-04-13 주식회사 성우하이텍 A method for warm hydro-forming of aluminium alloy and device thereof
KR100508981B1 (en) * 2002-12-09 2005-08-17 주식회사 성우하이텍 A device for warm hydro-forming of aluminium alloy and a method
KR100775808B1 (en) * 2006-11-09 2007-11-12 주식회사 성우하이텍 A oil heating device of warm hydro-forming system
KR100775809B1 (en) * 2006-11-09 2007-11-12 주식회사 성우하이텍 A device for warm hydro-forming of aluminium alloy and method thereof
KR100775807B1 (en) * 2006-11-09 2007-11-12 주식회사 성우하이텍 Metallic pattern unit of warm hydro-forming system
US20150315666A1 (en) 2014-04-30 2015-11-05 Ford Global Technologies, Llc Induction annealing as a method for expanded hydroformed tube formability

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5458393A (en) * 1993-08-11 1995-10-17 Alumax Extrusions, Inc. Space frame apparatus and process for the manufacture of same
US5911844A (en) * 1996-02-23 1999-06-15 Alumax Extrusions Inc. Method for forming a metallic material
EP0832702B1 (en) * 1996-09-25 2000-12-13 Alusuisse Technology & Management AG Method for making hollow bodies
UY25215A1 (en) * 1997-10-16 1999-04-09 Cosma Int Inc SPECIAL HYDROFORMED CASE AND METHOD FOR THE MANUFACTURE OF THE SAME

Also Published As

Publication number Publication date
CA2388263A1 (en) 2001-04-26
WO2001028708A1 (en) 2001-04-26
AU7637400A (en) 2001-04-30
EP1220725A1 (en) 2002-07-10

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