JPS6415242A - Production of integral crank shaft - Google Patents
Production of integral crank shaftInfo
- Publication number
- JPS6415242A JPS6415242A JP16847087A JP16847087A JPS6415242A JP S6415242 A JPS6415242 A JP S6415242A JP 16847087 A JP16847087 A JP 16847087A JP 16847087 A JP16847087 A JP 16847087A JP S6415242 A JPS6415242 A JP S6415242A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- crank shaft
- throw
- crank
- integral
- 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)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
PURPOSE:To form the title crank shaft with high accuracy and less die changes and heating times by forming the integral whole throw having a pin between crank plates adjoining the shaft on the axial line by a forming die on the same axial core line and twisting each throw around the shaft. CONSTITUTION:The whole throw 22 of a crank shaft composed by the combination of the integral throws 22 having a pin 21 between crank plates 20 adjoining the shaft 23 located on the axial line is subjected to press forming by heating it on the same axial core line by forming dies 25, 26. Thereafter, each throw 22 is held by a die chuck 27 and twisted to the specified angle around a crank shaft 23 by turning a gear 31 with the rotation of a pinion 34. Since an integral crank shaft is formed with less die changes and heating times the accuracy is high, the post man-hour in machining can be reduced and the material yield is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16847087A JPS6415242A (en) | 1987-07-06 | 1987-07-06 | Production of integral crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16847087A JPS6415242A (en) | 1987-07-06 | 1987-07-06 | Production of integral crank shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415242A true JPS6415242A (en) | 1989-01-19 |
Family
ID=15868703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16847087A Pending JPS6415242A (en) | 1987-07-06 | 1987-07-06 | Production of integral crank shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586390A (en) * | 2013-10-28 | 2014-02-19 | 中国兵器工业第五九研究所 | Full-fiber forming method for automotive crankshaft |
-
1987
- 1987-07-06 JP JP16847087A patent/JPS6415242A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586390A (en) * | 2013-10-28 | 2014-02-19 | 中国兵器工业第五九研究所 | Full-fiber forming method for automotive crankshaft |
| CN103586390B (en) * | 2013-10-28 | 2016-04-27 | 中国兵器工业第五九研究所 | A kind of Whole fiber manufacturing process of automobile-used bent axle |
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