BR9808629A - Técnica de deformação utilizando zonas de aquecimento distintas - Google Patents

Técnica de deformação utilizando zonas de aquecimento distintas

Info

Publication number
BR9808629A
BR9808629A BR9808629-4A BR9808629A BR9808629A BR 9808629 A BR9808629 A BR 9808629A BR 9808629 A BR9808629 A BR 9808629A BR 9808629 A BR9808629 A BR 9808629A
Authority
BR
Brazil
Prior art keywords
heating zones
tube
heated
deformation
different heating
Prior art date
Application number
BR9808629-4A
Other languages
English (en)
Inventor
Richard B Freeman
Mark C Handley
Original Assignee
Budd 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 Budd Co filed Critical Budd Co
Publication of BR9808629A publication Critical patent/BR9808629A/pt

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
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49805—Shaping by direct application of fluent pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Patente de Invenção:<B>"TéCNICA DE DEFORMAçãO UTILIZANDO ZONAS DE AQUECIMENTO DISTINTAS"<D>. Aparelho para deformação incluindo zonas calefatoras distintas (18a-18d) ao longo da extensão axial e parte circunferente de uma cavidade de molde (23). Uma zona pode ser aquecida para levar a parte de tubo aquecida a se tornar mais elástica que as partes de tubo não-aquecidas. Conseq³entemente, menos força axial e menores pressões radiais são requeridas para proporcionar a deformação de metal necessária contra as metades do molde (12,14). De preferência. As zonas calefatoras (18a-18d) são proporcionadas por intermédio de uma série de bobinas indutoras (16a-16d) dispostas ao longo da extensão axial e da parte circunferente do tubo (26). Cada bobina indutora (16a-16d) pode ser invidualmente excitada para que partes seletas do tubo (26) sejam aquecidas de uma maneira regulada.
BR9808629-4A 1997-03-28 1998-03-27 Técnica de deformação utilizando zonas de aquecimento distintas BR9808629A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/828,405 US5992197A (en) 1997-03-28 1997-03-28 Forming technique using discrete heating zones
PCT/US1998/006105 WO1998043759A1 (en) 1997-03-28 1998-03-27 Forming technique using discrete heating zones

Publications (1)

Publication Number Publication Date
BR9808629A true BR9808629A (pt) 2000-05-16

Family

ID=25251716

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9808629-4A BR9808629A (pt) 1997-03-28 1998-03-27 Técnica de deformação utilizando zonas de aquecimento distintas

Country Status (6)

Country Link
US (1) US5992197A (pt)
EP (1) EP1011888A1 (pt)
JP (1) JP2001518016A (pt)
BR (1) BR9808629A (pt)
CA (1) CA2283745A1 (pt)
WO (1) WO1998043759A1 (pt)

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CN104028647B (zh) * 2014-05-27 2017-01-11 同济大学 用于薄壁管件胀形的蘑菇型刚性分块凸模
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CN104550403A (zh) * 2015-01-06 2015-04-29 哈尔滨工业大学（威海） 一种实现中空金属构件高温气压胀形的装置及工艺
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Also Published As

Publication number Publication date
WO1998043759A1 (en) 1998-10-08
WO1998043759A9 (en) 1999-04-22
EP1011888A4 (en) 2000-06-28
CA2283745A1 (en) 1998-10-08
EP1011888A1 (en) 2000-06-28
JP2001518016A (ja) 2001-10-09
US5992197A (en) 1999-11-30

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Legal Events

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements