CH621956A5 - - Google Patents
Download PDFInfo
- Publication number
- CH621956A5 CH621956A5 CH1052976A CH1052976A CH621956A5 CH 621956 A5 CH621956 A5 CH 621956A5 CH 1052976 A CH1052976 A CH 1052976A CH 1052976 A CH1052976 A CH 1052976A CH 621956 A5 CH621956 A5 CH 621956A5
- Authority
- CH
- Switzerland
- Prior art keywords
- mold
- powder
- reducing gas
- tool electrode
- temperature
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 17
- 238000003754 machining Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000007772 electrode material Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 238000006722 reduction reaction Methods 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
Classifications
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—Electrodes specially adapted therefor or their manufacture
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12153—Interconnected void structure [e.g., permeable, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2192874 | 1975-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH621956A5 true CH621956A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-03-13 |
Family
ID=20638365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1052976A CH621956A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-08 | 1976-08-18 |
Country Status (13)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58223527A (ja) * | 1982-06-14 | 1983-12-26 | Tamagawa Kikai Kinzoku Kk | 切削性のすぐれた放電加工用電極銅材 |
| DD244467A3 (de) * | 1982-12-24 | 1987-04-08 | Exnii Metallorezh Stankov | Werkzeugelektrode fuer die elektroerosivbeareitung und verfahren ihrer fertigung |
| JPS59153819U (ja) * | 1983-04-01 | 1984-10-16 | 小川 至代 | 紙器 |
| JPS6228120A (ja) * | 1985-07-30 | 1987-02-06 | Mitsubishi Electric Corp | 放電加工用電極 |
| JP4641209B2 (ja) * | 2005-03-31 | 2011-03-02 | 大阪冶金興業株式会社 | 金属多孔体の製造方法 |
| JP2007015889A (ja) * | 2005-07-07 | 2007-01-25 | Toyo Tanso Kk | 炭素材料及び炭素材料の加工方法 |
| WO2009011355A1 (ja) * | 2007-07-18 | 2009-01-22 | Ihi Corporation | 放電表面処理用電極の製造方法、及び放電表面処理用電極 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2789901A (en) * | 1952-05-27 | 1957-04-23 | Gen Motors Corp | Method of making high density sintered parts |
| US3638293A (en) * | 1969-09-12 | 1972-02-01 | Lumalampan Ab | High-density tungsten-rhenium-nickel alloys and articles |
| US3745296A (en) * | 1971-08-20 | 1973-07-10 | Kennecott Copper Corp | Copper tool material for electrical discharge machining |
| US3980445A (en) * | 1974-07-03 | 1976-09-14 | Vasily Alexeevich Aleshin | Method of making filtering metal material |
| SU489617A1 (ru) * | 1974-07-25 | 1975-10-30 | Экспериментальный научно-исследовательский институт металлорежущих станков | Электрод-инструмент дл электроэрозионной обработки выполненный из пористого материала,например,из меди,б его изготовлени |
-
1976
- 1976-08-10 AT AT593976A patent/AT345943B/de not_active IP Right Cessation
- 1976-08-12 DE DE2636302A patent/DE2636302C2/de not_active Expired
- 1976-08-13 DK DK365876A patent/DK365876A/da not_active Application Discontinuation
- 1976-08-16 SE SE7609125A patent/SE422756B/xx not_active IP Right Cessation
- 1976-08-16 CA CA259,169A patent/CA1090166A/en not_active Expired
- 1976-08-18 CH CH1052976A patent/CH621956A5/de not_active IP Right Cessation
- 1976-08-19 AU AU16981/76A patent/AU1698176A/en not_active Expired
- 1976-08-20 GB GB34887/76A patent/GB1521408A/en not_active Expired
- 1976-08-23 NL NL7609365A patent/NL7609365A/xx unknown
- 1976-08-23 FR FR7625513A patent/FR2355609A1/fr active Granted
- 1976-08-25 US US05/717,519 patent/US4115623A/en not_active Expired - Lifetime
- 1976-09-08 JP JP51106834A patent/JPS5270496A/ja active Granted
- 1976-09-17 BR BR7606172A patent/BR7606172A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7606172A (pt) | 1978-04-11 |
| JPS5270496A (en) | 1977-06-11 |
| DE2636302A1 (de) | 1977-06-23 |
| AU1698176A (en) | 1978-02-23 |
| SE422756B (sv) | 1982-03-29 |
| NL7609365A (nl) | 1977-06-10 |
| DE2636302C2 (de) | 1983-02-24 |
| CA1090166A (en) | 1980-11-25 |
| GB1521408A (en) | 1978-08-16 |
| US4115623A (en) | 1978-09-19 |
| FR2355609B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-10-20 |
| FR2355609A1 (fr) | 1978-01-20 |
| ATA593976A (de) | 1978-02-15 |
| SE7609125L (sv) | 1977-06-09 |
| DK365876A (da) | 1977-06-09 |
| AT345943B (de) | 1978-10-10 |
| JPS5726321B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |