| 发明名称 |
METHOD AND TOOL FOR HARDENING A HOLLOW PROFILE OF A STEEL WORKPIECE |
| 摘要 |
Disclosed herein is a method and tool for hardening a hollow profile of a steel workpiece having an interior space. The method includes the steps of providing a workpiece having a hollow profile, heating the hollow profile, placing the hollow profile of the steel workpiece in a hardening tool, and cooling the hollow profile from the inside by way of a cooling core having an exterior shape that is complimentary to that of the structural shape of the interior space of the hollow profile. |
| 申请公布号 |
US2016068921(A1) |
申请公布日期 |
2016.03.10 |
| 申请号 |
US201514849253 |
申请日期 |
2015.09.09 |
| 申请人 |
THYSSENKRUPP STEEL EUROPE AG ;THYSSENKRUPP AG |
发明人 |
FLEHMIG Thomas;KIBBEN Martin;GORSCHLÜTER Jörg |
| 分类号 |
C21D1/18;C21D9/00;C21D9/08;C21D6/00 |
主分类号 |
C21D1/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of hardening a hollow profile of a steel workpiece, the method comprising:
providing a steel workpiece having a hollow profile defining an interior space therein; heating the hollow profile of the steel workpiece; placing the hollow profile of the steel workpiece in a hardening tool; and cooling the hollow profile in the hardening tool by insertion of a cooling core into the interior space of the hollow profile, the cooling core having a shape complimentary to that of the interior space of the hollow profile. |
| 地址 |
Duisburg DE |
