JPS5639144A - Production of investment casting pattern - Google Patents
Production of investment casting patternInfo
- Publication number
- JPS5639144A JPS5639144A JP11526379A JP11526379A JPS5639144A JP S5639144 A JPS5639144 A JP S5639144A JP 11526379 A JP11526379 A JP 11526379A JP 11526379 A JP11526379 A JP 11526379A JP S5639144 A JPS5639144 A JP S5639144A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- investment casting
- heating medium
- adhering
- heating
- 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
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To prevent the change in adhered part and produce an extinction pattern of high dimensional accuracy by disposing a heating medium which is easily removed together with pattern material by heating, between the faying surfaces of the investment casting pattern.
CONSTITUTION: Graphite powder is interposed as a heating medium at the adhering surfaces 13 of a circular cylindrical extinction pattern 11 and a tubular investment casting pattern 12 and these are installed within a high-frequency induction coil 16. On the other hand, the circular cylindrical investment casting pattern 11 and the tubular investment casting mold 12 are grasped by a lower fixing bed 14 and an upper fixing bed 15 and pressure is exerted thereto from above to adhere these under induction heating. The heating medium to be heated in this method per se has no adhering action and the pattern material melted by being indirectly heated with the heating medium per se has adhering action and since the adhering part is of the same material as that of the base material, its strength is high. These make the adhered surface high in dimensional accuracy, virtually eliminate the formation of flash from the adhered part and prevent the deformation of the adhered part.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11526379A JPS5639144A (en) | 1979-09-10 | 1979-09-10 | Production of investment casting pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11526379A JPS5639144A (en) | 1979-09-10 | 1979-09-10 | Production of investment casting pattern |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5639144A true JPS5639144A (en) | 1981-04-14 |
Family
ID=14658333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11526379A Pending JPS5639144A (en) | 1979-09-10 | 1979-09-10 | Production of investment casting pattern |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5639144A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63200937A (en) * | 1987-02-18 | 1988-08-19 | Kawasaki Heavy Ind Ltd | Machine tool |
JPS63140041U (en) * | 1987-03-07 | 1988-09-14 | ||
JPS63220945A (en) * | 1987-03-07 | 1988-09-14 | Nippon Auto Maton Kk | Adhesive method of expendable pattern for casting and apparatus for using same |
-
1979
- 1979-09-10 JP JP11526379A patent/JPS5639144A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63200937A (en) * | 1987-02-18 | 1988-08-19 | Kawasaki Heavy Ind Ltd | Machine tool |
JPS63140041U (en) * | 1987-03-07 | 1988-09-14 | ||
JPS63220945A (en) * | 1987-03-07 | 1988-09-14 | Nippon Auto Maton Kk | Adhesive method of expendable pattern for casting and apparatus for using same |
JPH0377020B2 (en) * | 1987-03-07 | 1991-12-09 | Nippon Ooto Maton Kk |
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