JPS5575504A - Method of assembling blade to hub of ceramic turbine rotor - Google Patents
Method of assembling blade to hub of ceramic turbine rotorInfo
- Publication number
- JPS5575504A JPS5575504A JP14825778A JP14825778A JPS5575504A JP S5575504 A JPS5575504 A JP S5575504A JP 14825778 A JP14825778 A JP 14825778A JP 14825778 A JP14825778 A JP 14825778A JP S5575504 A JPS5575504 A JP S5575504A
- Authority
- JP
- Japan
- Prior art keywords
- hub
- turbine rotor
- way
- blade
- ceramic material
- 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
- Turbine Rotor Nozzle Sealing (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
PURPOSE: To simplify manufacturing of turbine rotor, by fitting blade units formed by way of extrusion around the periphery of hub formed by way of hot press.
CONSTITUTION: Hub 1 of turbine rotor is obtained by die-molding powder of ceramic material consisting principally of silicon nitride and admixed with sintering- assisting agent. The hub 1 is shaped in a disk-like form having a shaft receiving hole 3 opened at its central portion and a multiplicity of recesses 4 formed equidistantly around its outer periphery. Then, the hub 1 is strengthened by increasing its density by way of hot press. On the other hand, blade unit 2 is obtained by extruding powder of ceramic material admixed with organic binder into a form having a three-dimensionally twisted blade portion 5 and leg portion 6. These blade units 2 are assembled to the hub 1 by inserting the leg portion 6 into each recess 4 of hub 1.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14825778A JPS5575504A (en) | 1978-11-30 | 1978-11-30 | Method of assembling blade to hub of ceramic turbine rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14825778A JPS5575504A (en) | 1978-11-30 | 1978-11-30 | Method of assembling blade to hub of ceramic turbine rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5575504A true JPS5575504A (en) | 1980-06-06 |
Family
ID=15448728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14825778A Pending JPS5575504A (en) | 1978-11-30 | 1978-11-30 | Method of assembling blade to hub of ceramic turbine rotor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5575504A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6297804A (en) * | 1985-10-24 | 1987-05-07 | 株式会社日本製鋼所 | Manufacture of complicate shaped product such as ceramics |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527311A (en) * | 1975-06-27 | 1977-01-20 | Special Metals Corp | Process for production of compound turbine wheel and like |
-
1978
- 1978-11-30 JP JP14825778A patent/JPS5575504A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527311A (en) * | 1975-06-27 | 1977-01-20 | Special Metals Corp | Process for production of compound turbine wheel and like |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6297804A (en) * | 1985-10-24 | 1987-05-07 | 株式会社日本製鋼所 | Manufacture of complicate shaped product such as ceramics |
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