EP0034330A3 - Verfahren zur pulvermetallurgischen Herstellung von Bauteilen - Google Patents

Verfahren zur pulvermetallurgischen Herstellung von Bauteilen Download PDF

Info

Publication number
EP0034330A3
EP0034330A3 EP81100941A EP81100941A EP0034330A3 EP 0034330 A3 EP0034330 A3 EP 0034330A3 EP 81100941 A EP81100941 A EP 81100941A EP 81100941 A EP81100941 A EP 81100941A EP 0034330 A3 EP0034330 A3 EP 0034330A3
Authority
EP
European Patent Office
Prior art keywords
component parts
powder metallurgy
producing component
cavities
intricate
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.)
Withdrawn
Application number
EP81100941A
Other languages
English (en)
French (fr)
Other versions
EP0034330A2 (de
Inventor
Wolfgang Dr.-Ing. Betz
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.)
MTU Aero Engines AG
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of EP0034330A2 publication Critical patent/EP0034330A2/de
Publication of EP0034330A3 publication Critical patent/EP0034330A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • F28F7/02—Blocks traversed by passages for heat-exchange media
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B22F2005/103—Cavity made by removal of insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/18—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes sintered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

Verfahren zur pulvermettalurgischen Herstellung von Bauteilen mit verwickelten (kompliziert geformten) Hohlräu­ men oder mit stark strukturierten Außenflächen mit Hilfe von Metall- oder Keramikkernen, die nach dem Verdichten und Sintern bzw. heißisostatischen Pressen mechanisch oder chemisch herausgelöst werden und so die gewünschten Hohlräume entstehen.
EP81100941A 1980-02-14 1981-02-11 Verfahren zur pulvermetallurgischen Herstellung von Bauteilen Withdrawn EP0034330A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3005474A DE3005474C2 (de) 1980-02-14 1980-02-14 Verfahren zur pulvermetallurgischen Herstellung von einstückigen Bauteilen mit verwickelten Hohlräumen
DE3005474 1980-02-14

Publications (2)

Publication Number Publication Date
EP0034330A2 EP0034330A2 (de) 1981-08-26
EP0034330A3 true EP0034330A3 (de) 1981-12-16

Family

ID=6094567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81100941A Withdrawn EP0034330A3 (de) 1980-02-14 1981-02-11 Verfahren zur pulvermetallurgischen Herstellung von Bauteilen

Country Status (3)

Country Link
EP (1) EP0034330A3 (de)
JP (1) JPS56127703A (de)
DE (1) DE3005474C2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456322B (sv) * 1986-03-04 1988-09-26 Asea Stal Ab Sett vid tillverkning av metallprodukter genom hetisostatpressning av pulver med anvendande av kernor
US4861546A (en) * 1987-12-23 1989-08-29 Precision Castparts Corp. Method of forming a metal article from powdered metal
DE3828348A1 (de) * 1988-08-20 1990-02-22 Schwaebische Huettenwerke Gmbh Vorrichtung zur waermeuebertragung
CH677488A5 (de) * 1989-02-14 1991-05-31 Htm Ag
JP3332081B2 (ja) 1999-09-07 2002-10-07 日本ピラー工業株式会社 燃料電池用セパレータの製造金型及び燃料電池用セパレータの製造方法
DE10034506C1 (de) * 2000-07-15 2002-03-07 Schott Glas Verfahren zum Herstellen von Kühlkanälen in betrieblich thermisch belasteten Formgebungswerkzeugen und zugehöriges Formgebungswerkzeug
US8033805B2 (en) * 2007-11-27 2011-10-11 Kennametal Inc. Method and apparatus for cross-passageway pressing to produce cutting inserts
JP2016017218A (ja) * 2014-07-10 2016-02-01 株式会社Ihi 中空構造体の製造方法
CN105798296B (zh) * 2016-03-23 2017-12-01 上海工程技术大学 一种3d打印碳化硼/铝复合材料异形零件的制备方法
GB2620549A (en) * 2022-06-27 2024-01-17 The Manufacturing Tech Centre Limited A method for creating an object

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571068A (en) * 1922-08-07 1926-01-26 Stancliffe Engineering Corp Heat interchanger
GB766668A (en) * 1954-03-05 1957-01-23 Atomic Energy Authority Uk Improvements in or relating to heat exchangers
FR2192885A1 (de) * 1972-07-13 1974-02-15 Federal Mogul Corp
FR2225240A1 (de) * 1973-04-12 1974-11-08 Crucible Inc
US3992202A (en) * 1974-10-11 1976-11-16 Crucible Inc. Method for producing aperture-containing powder-metallurgy article
US3996048A (en) * 1975-10-16 1976-12-07 Avco Corporation Method of producing holes in powder metallurgy parts

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE549713C (de) * 1930-01-07 1932-04-30 Fried Krupp Akt Ges Verfahren zur Herstellung von Hohlkoerpern aus Hartmetallegierungen
US2695230A (en) * 1949-01-10 1954-11-23 Michigan Powdered Metal Produc Process of making powdered metal article
DE1533013A1 (de) * 1966-05-14 1969-12-04 Iit Res Inst Verfahren zur Herstellung einer Waermeuebertragungsvorrichtung
SE332316B (de) * 1968-01-16 1971-02-01 A Badine
SE350918B (de) * 1971-03-26 1972-11-13 Asea Ab
DE2717886A1 (de) * 1976-04-23 1977-11-03 Powdrex Ltd Verfahren zur herstellung eines metallkoerpers sowie dabei auftretendes zwischenprodukt
NL7605725A (nl) * 1976-05-28 1977-11-30 Skf Ind Trading & Dev Werkwijze voor het vervaardigen van een van ruimten voorzien voorwerp uit metaalpoeder, alsmede gesinterd voorwerp vervaardigd volgens de werkwijze.
JPS5499710A (en) * 1978-01-24 1979-08-06 Kobe Steel Ltd Manufacture of raw material of drill with oil hole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571068A (en) * 1922-08-07 1926-01-26 Stancliffe Engineering Corp Heat interchanger
GB766668A (en) * 1954-03-05 1957-01-23 Atomic Energy Authority Uk Improvements in or relating to heat exchangers
FR2192885A1 (de) * 1972-07-13 1974-02-15 Federal Mogul Corp
FR2225240A1 (de) * 1973-04-12 1974-11-08 Crucible Inc
US3992202A (en) * 1974-10-11 1976-11-16 Crucible Inc. Method for producing aperture-containing powder-metallurgy article
US3996048A (en) * 1975-10-16 1976-12-07 Avco Corporation Method of producing holes in powder metallurgy parts

Also Published As

Publication number Publication date
EP0034330A2 (de) 1981-08-26
JPS56127703A (en) 1981-10-06
DE3005474C2 (de) 1982-11-11
DE3005474A1 (de) 1981-08-20

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE DE FR GB IT SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT BE DE FR GB IT SE

17P Request for examination filed

Effective date: 19820119

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19830824

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BETZ, WOLFGANG, DR.-ING.