JPS648203A - Production of powder molding - Google Patents
Production of powder moldingInfo
- Publication number
- JPS648203A JPS648203A JP16207687A JP16207687A JPS648203A JP S648203 A JPS648203 A JP S648203A JP 16207687 A JP16207687 A JP 16207687A JP 16207687 A JP16207687 A JP 16207687A JP S648203 A JPS648203 A JP S648203A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- molding
- powder
- molding tool
- tool
- 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.)
- Pending
Links
Landscapes
- Producing Shaped Articles From Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
PURPOSE:To produce a powder molding having a uniform and high density by pressurizing the slurry in a molding tool after oscillating the powder in the cavity by oscillating the molding tool at the time of dehydrating said slurry by a slurry dehydrating method. CONSTITUTION:The powder slurry 22 consisting of powder for sintering, and water or org. solvent is poured and packed into the cavity 18 of the molding tool 11 where the slurry 22 is preheated to about 70-80 deg.C by a heater 21. A switch of an oscillation generator 19 below the molding tool is then turned on to oscillate the entire part of the tool 11 and to oscillate the slurry 22 in the cavity 18 for a specified period of time; thereafter, pressurizing force is applied to the slurry 22 by a pressurizing plunger 14 to gradually pressurize the powder slurry. The liquid-component of the slurry 22 is thereby discharged from linear slits 15, 16, 17. This slurry is held for the prescribed time under the prescribed pressure. The molding tool 11 is then cooled and the molding is taken out. The taken out molding is heated at the temp. above the m.p. of the solvent to evaporate and eliminate the solvent. A uniform molding having large density is thereby obtd. in a short dehydrating time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16207687A JPS648203A (en) | 1987-06-29 | 1987-06-29 | Production of powder molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16207687A JPS648203A (en) | 1987-06-29 | 1987-06-29 | Production of powder molding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648203A true JPS648203A (en) | 1989-01-12 |
Family
ID=15747628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16207687A Pending JPS648203A (en) | 1987-06-29 | 1987-06-29 | Production of powder molding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS648203A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5385701A (en) * | 1991-07-26 | 1995-01-31 | Sumitomo Electric Industries, Ltd. | Method of molding silicon nitride ceramics |
-
1987
- 1987-06-29 JP JP16207687A patent/JPS648203A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5385701A (en) * | 1991-07-26 | 1995-01-31 | Sumitomo Electric Industries, Ltd. | Method of molding silicon nitride ceramics |
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