EP0034330A3 - Process for producing component parts by powder metallurgy - Google Patents
Process for producing component parts by powder metallurgy 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- Withdrawn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
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. Process for the powder metallurgical production of Components with intricate (intricately shaped) cavities or with heavily structured outer surfaces with the help of Metal or ceramic cores after compression and Sintering or hot isostatic presses mechanically or be chemically extracted and so the desired Cavities are created.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3005474 | 1980-02-14 | ||
DE3005474A DE3005474C2 (en) | 1980-02-14 | 1980-02-14 | Process for the powder metallurgical production of one-piece components with entangled cavities |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0034330A2 EP0034330A2 (en) | 1981-08-26 |
EP0034330A3 true EP0034330A3 (en) | 1981-12-16 |
Family
ID=6094567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81100941A Withdrawn EP0034330A3 (en) | 1980-02-14 | 1981-02-11 | Process for producing component parts by powder metallurgy |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0034330A3 (en) |
JP (1) | JPS56127703A (en) |
DE (1) | DE3005474C2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE456322B (en) * | 1986-03-04 | 1988-09-26 | Asea Stal Ab | SET FOR MANUFACTURE OF METAL PRODUCTS THROUGH HEATISOSTAT COMPRESSION OF POWDER USING CORE |
US4861546A (en) * | 1987-12-23 | 1989-08-29 | Precision Castparts Corp. | Method of forming a metal article from powdered metal |
DE3828348A1 (en) * | 1988-08-20 | 1990-02-22 | Schwaebische Huettenwerke Gmbh | DEVICE FOR HEAT TRANSFER |
CH677488A5 (en) * | 1989-02-14 | 1991-05-31 | Htm Ag | |
JP3332081B2 (en) | 1999-09-07 | 2002-10-07 | 日本ピラー工業株式会社 | Mold for manufacturing fuel cell separator and method for manufacturing fuel cell separator |
DE10034506C1 (en) * | 2000-07-15 | 2002-03-07 | Schott Glas | Process for producing cooling channels in shaping tools subject to operational thermal stress and associated shaping tool |
US8033805B2 (en) * | 2007-11-27 | 2011-10-11 | Kennametal Inc. | Method and apparatus for cross-passageway pressing to produce cutting inserts |
JP2016017218A (en) * | 2014-07-10 | 2016-02-01 | 株式会社Ihi | Manufacturing method for hallow structure |
CN105798296B (en) * | 2016-03-23 | 2017-12-01 | 上海工程技术大学 | A kind of preparation method of 3D printing boron carbide/aluminum composite material special part |
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 (en) * | 1972-07-13 | 1974-02-15 | Federal Mogul Corp | |
FR2225240A1 (en) * | 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 (en) * | 1930-01-07 | 1932-04-30 | Fried Krupp Akt Ges | Process for the production of hollow bodies from hard metal alloys |
US2695230A (en) * | 1949-01-10 | 1954-11-23 | Michigan Powdered Metal Produc | Process of making powdered metal article |
DE1533013A1 (en) * | 1966-05-14 | 1969-12-04 | Iit Res Inst | Method of manufacturing a heat transfer device |
SE332316B (en) * | 1968-01-16 | 1971-02-01 | A Badine | |
SE350918B (en) * | 1971-03-26 | 1972-11-13 | Asea Ab | |
FR2348775A1 (en) * | 1976-04-23 | 1977-11-18 | Powdrex Ltd | Tools made by powder metallurgy - in two stage process providing water cooling channels in the tool |
NL7605725A (en) * | 1976-05-28 | 1977-11-30 | Skf Ind Trading & Dev | PROCEDURE FOR MANUFACTURING AN OBJECT FROM METAL POWDER AND SINTERED OBJECT MANUFACTURED ACCORDING TO THE PROCESS. |
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/en not_active Expired
-
1981
- 1981-02-11 EP EP81100941A patent/EP0034330A3/en not_active Withdrawn
- 1981-02-13 JP JP2080381A patent/JPS56127703A/en 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 (en) * | 1972-07-13 | 1974-02-15 | Federal Mogul Corp | |
FR2225240A1 (en) * | 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 (en) | 1981-08-26 |
DE3005474A1 (en) | 1981-08-20 |
DE3005474C2 (en) | 1982-11-11 |
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. |