EP0034330A3 - Verfahren zur pulvermetallurgischen Herstellung von Bauteilen - Google Patents
Verfahren zur pulvermetallurgischen Herstellung von Bauteilen Download PDFInfo
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000004663 powder metallurgy Methods 0.000 title 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
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)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (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.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3005474 | 1980-02-14 | ||
DE3005474A DE3005474C2 (de) | 1980-02-14 | 1980-02-14 | Verfahren zur pulvermetallurgischen Herstellung von einstückigen Bauteilen mit verwickelten Hohlräumen |
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)
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)
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)
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 |
-
1980
- 1980-02-14 DE DE3005474A patent/DE3005474C2/de not_active Expired
-
1981
- 1981-02-11 EP EP81100941A patent/EP0034330A3/de not_active Withdrawn
- 1981-02-13 JP JP2080381A patent/JPS56127703A/ja active Pending
Patent Citations (6)
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 |
---|---|
DE3005474C2 (de) | 1982-11-11 |
EP0034330A2 (de) | 1981-08-26 |
DE3005474A1 (de) | 1981-08-20 |
JPS56127703A (en) | 1981-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE DE FR GB IT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
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. |