JPS5650743A - Method and device of forming shaft with center hole - Google Patents
Method and device of forming shaft with center holeInfo
- Publication number
- JPS5650743A JPS5650743A JP12584079A JP12584079A JPS5650743A JP S5650743 A JPS5650743 A JP S5650743A JP 12584079 A JP12584079 A JP 12584079A JP 12584079 A JP12584079 A JP 12584079A JP S5650743 A JPS5650743 A JP S5650743A
- Authority
- JP
- Japan
- Prior art keywords
- punch
- center hole
- hole
- blank material
- die
- 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
- Forging (AREA)
Abstract
PURPOSE: To obtain a shaft of aligned axial center and high accuracy by putting a blank material having been roughed into dies disposed on the same axis, and performing center hole working simultaneously with forming of outside diameters.
CONSTITUTION: Dies having die holes for forming (for example, those divided to 3 pieces) 13 are disposed in series on the same axis. A punch 14' for center hole and a knockout 14 are provided on the bottom end side. A punch 10 for center hole connecting a punch 9 for drawing to a punch holder 12 by way of springs 11 and projecting from the holder is provided on the top end side. A blank material 7 having been roughed is inserted into the die 13. The punch holder 12 is lowered and the blank material 7 is pushed into the die 13 by way of the springs 11 by the drawing punch 9, whereby splines are formed. Further, the stroke is increased to pierce a punch hole to the top end face with the punch 10 for center hole. The punch hole on the under side is formed with the punch 14' for center hole by the pressing force from above. Thereby, the shaft of high accuracy is obtained with good efficiency.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12584079A JPS5650743A (en) | 1979-09-29 | 1979-09-29 | Method and device of forming shaft with center hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12584079A JPS5650743A (en) | 1979-09-29 | 1979-09-29 | Method and device of forming shaft with center hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5650743A true JPS5650743A (en) | 1981-05-08 |
Family
ID=14920236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12584079A Pending JPS5650743A (en) | 1979-09-29 | 1979-09-29 | Method and device of forming shaft with center hole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5650743A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61245933A (en) * | 1985-04-25 | 1986-11-01 | Honda Motor Co Ltd | Manufacturing method of multistage shaft |
| JPH01197038A (en) * | 1988-01-29 | 1989-08-08 | Aisin Seiki Co Ltd | Method for forming flanged spline |
| US5129251A (en) * | 1987-08-14 | 1992-07-14 | Usui Kokusai Sangyo Kaisha Ltd. | Manufacturing process for end fitting for eye joint |
| JP2015058447A (en) * | 2013-09-18 | 2015-03-30 | トヨタ自動車株式会社 | Center hole forming method and forging device |
| CN108067838A (en) * | 2017-10-31 | 2018-05-25 | 武汉船用机械有限责任公司 | The processing method of inner hole key slot |
| CN109226617A (en) * | 2018-08-24 | 2019-01-18 | 江阴南工锻造有限公司 | A kind of high-power wind turbine main shaft large flange quick shaping process |
| CN109226618A (en) * | 2018-08-24 | 2019-01-18 | 江阴南工锻造有限公司 | Mold is used in the compound Forging Technology of high-power wind turbine main shaft and forging and stamping |
| CN115846579A (en) * | 2023-02-23 | 2023-03-28 | 振宏重工(江苏)股份有限公司 | Composite profiling forging method for main shaft of large fan |
-
1979
- 1979-09-29 JP JP12584079A patent/JPS5650743A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61245933A (en) * | 1985-04-25 | 1986-11-01 | Honda Motor Co Ltd | Manufacturing method of multistage shaft |
| US5129251A (en) * | 1987-08-14 | 1992-07-14 | Usui Kokusai Sangyo Kaisha Ltd. | Manufacturing process for end fitting for eye joint |
| JPH01197038A (en) * | 1988-01-29 | 1989-08-08 | Aisin Seiki Co Ltd | Method for forming flanged spline |
| JP2015058447A (en) * | 2013-09-18 | 2015-03-30 | トヨタ自動車株式会社 | Center hole forming method and forging device |
| CN108067838A (en) * | 2017-10-31 | 2018-05-25 | 武汉船用机械有限责任公司 | The processing method of inner hole key slot |
| CN108067838B (en) * | 2017-10-31 | 2020-05-19 | 武汉船用机械有限责任公司 | Method for processing inner hole key groove |
| CN109226617A (en) * | 2018-08-24 | 2019-01-18 | 江阴南工锻造有限公司 | A kind of high-power wind turbine main shaft large flange quick shaping process |
| CN109226618A (en) * | 2018-08-24 | 2019-01-18 | 江阴南工锻造有限公司 | Mold is used in the compound Forging Technology of high-power wind turbine main shaft and forging and stamping |
| CN115846579A (en) * | 2023-02-23 | 2023-03-28 | 振宏重工(江苏)股份有限公司 | Composite profiling forging method for main shaft of large fan |
| CN115846579B (en) * | 2023-02-23 | 2023-04-25 | 振宏重工(江苏)股份有限公司 | Large-scale fan main shaft composite profiling forging method |
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