JPH01127638U - - Google Patents
Info
- Publication number
- JPH01127638U JPH01127638U JP1752388U JP1752388U JPH01127638U JP H01127638 U JPH01127638 U JP H01127638U JP 1752388 U JP1752388 U JP 1752388U JP 1752388 U JP1752388 U JP 1752388U JP H01127638 U JPH01127638 U JP H01127638U
- Authority
- JP
- Japan
- Prior art keywords
- forming
- forming part
- counterweight
- forming portion
- intermediate journal
- 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)
Description
第１図はこの考案の一実施例を示す正面図、第
２図は第１図に示す鍛造素材を成形するためのク
ロスロール成形表面を示す図、第３図は従来例を
示す図、第４図は所要のクランクシヤフトを例示
する正面図である。
２１…中間ジヤーナル形成部、２２，２３…カ
ウンターウエイト形成部、２４，２５…連結部、
２６…一単位、２７…連結構体、２８，２９…端
部ジヤーナル形成部。
FIG. 1 is a front view showing an embodiment of this invention, FIG. 2 is a view showing a cross roll forming surface for forming the forged material shown in FIG. 1, FIG. 3 is a view showing a conventional example, and FIG. FIG. 4 is a front view illustrating the required crankshaft. 21... Intermediate journal forming part, 22, 23... Counterweight forming part, 24, 25... Connecting part,
26... One unit, 27... Connecting structure, 28, 29... End journal forming part.
Claims (1)
ナル形成部の両側部で、その中心軸線に対して相
互に逆方向へ偏心して位置する一対のカウンター
ウエイト形成部２２，２３と、ピン形成部および
アーム形成部を含み、中間ジヤーナル形成部に対
し、それぞれのカウンターウエイト形成部の偏心
方向とは逆方向へ偏心して各カウンターウエイト
形成部と中間ジヤーナル形成部との相互連結をも
たらす一対の連結部２４，２５とからなる一単位
２６を複数連結するとともに、その連結構体２７
の両端部に端部ジヤーナル形成部２８，２９を設
けてなるクランクシヤフト用鍛造素材。 An intermediate journal forming part 21, a pair of counterweight forming parts 22 and 23 located eccentrically in opposite directions with respect to the central axis on both sides of the intermediate journal forming part, a pin forming part and an arm forming part. a pair of connecting portions 24 and 25 that are eccentric in a direction opposite to the eccentric direction of each counterweight forming portion with respect to the intermediate journal forming portion and interconnecting each counterweight forming portion and the intermediate journal forming portion; A plurality of units 26 consisting of
A forged material for a crankshaft, which is provided with end journal forming portions 28 and 29 at both ends thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1752388U JPH01127638U (en) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1752388U JPH01127638U (en) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01127638U true JPH01127638U (en) | 1989-08-31 |
Family
ID=31231381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1752388U Pending JPH01127638U (en) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01127638U (en) |
-
1988
- 1988-02-15 JP JP1752388U patent/JPH01127638U/ja active Pending