JPS56119633A - Manufacture of crank shaft - Google Patents
Manufacture of crank shaftInfo
- Publication number
- JPS56119633A JPS56119633A JP2115480A JP2115480A JPS56119633A JP S56119633 A JPS56119633 A JP S56119633A JP 2115480 A JP2115480 A JP 2115480A JP 2115480 A JP2115480 A JP 2115480A JP S56119633 A JPS56119633 A JP S56119633A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- discs
- bulge
- blank pipe
- pipe
- 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
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
PURPOSE: To facilitate the manufacture of crank shaft through joining the driving disc and cylindrical section with expanding a diameter of the blank pipe, by performing a bulge working after the disc and cylinder are loosely fitted at important position of the blank pipe which has been bent to a prescribed form.
CONSTITUTION: Driving discs 4, 4 and cylinders 6, 6 made of special steel are loosely fitted respectively at prescribed position on the blank pipe made of normal steel which has already been bent to a similar form to a shaft cylinder 7 and has a diameter slightly smaller than the discs and cylinders. Then, these are put in a bulge pattern and the bulge working is performed by press-introducing high pressure liquid in the pipe through an introducing pipe 3. Whereupon, the blank pipe expands and pushes the inside surfaces of the bulge pattern 1 and each eccentric hole 5 and each cylinder 6, driving discs 4 and cylinder 6 of bearing section are jointed and simultaneously both sides of discs 4 and cylinder 6 are projected in the diametric direction to tightly maintain the discs 4 and cylinder 6 by the aid of swelled-up rings 8.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2115480A JPS56119633A (en) | 1980-02-22 | 1980-02-22 | Manufacture of crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2115480A JPS56119633A (en) | 1980-02-22 | 1980-02-22 | Manufacture of crank shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56119633A true JPS56119633A (en) | 1981-09-19 |
Family
ID=12046979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2115480A Pending JPS56119633A (en) | 1980-02-22 | 1980-02-22 | Manufacture of crank shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56119633A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01289517A (en) * | 1987-11-05 | 1989-11-21 | Emitec G Fuer Emissions Technol Mbh | Method for producing assembling type crank shaft by expanding sleeve provided to divided shaft |
| JPH02180307A (en) * | 1988-11-03 | 1990-07-13 | Emitec G Fuer Emissions Technol Mbh | Fitting axis |
-
1980
- 1980-02-22 JP JP2115480A patent/JPS56119633A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01289517A (en) * | 1987-11-05 | 1989-11-21 | Emitec G Fuer Emissions Technol Mbh | Method for producing assembling type crank shaft by expanding sleeve provided to divided shaft |
| JPH0325245B2 (en) * | 1987-11-05 | 1991-04-05 | Emitec Emissionstechnologie | |
| JPH02180307A (en) * | 1988-11-03 | 1990-07-13 | Emitec G Fuer Emissions Technol Mbh | Fitting axis |
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