| 发明名称 |
METHOD FOR PUNCHING OF UNIVERSAL-JOINT FORKS |
| 摘要 |
A method for punching of universal-joint forks includes use of measured cylindrical billet, its precipitation and reverse extrusion. Precipitation, and reverse extrusion of universal-joint fork are carried out in a closed cavity of matrix.
|
| 申请公布号 |
UA17602(U) |
申请公布日期 |
2006.10.16 |
| 申请号 |
UA20050012598U |
申请日期 |
2005.12.26 |
| 申请人 |
ZAPORIZHIA NATIONAL TECHNICAL UNIVERSITY |
发明人 |
CHUMAKOV BORYS MYKOLAIOVYCH;CHUMAKOVA OLHA BORYSIVNA |
| 分类号 |
B21K5/00 |
主分类号 |
B21K5/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
