EP2497583B1 Method of manufacturing a shaft member for a wheel hub assembly with rolling bearings
有权
基本信息:
- 专利标题： Method of manufacturing a shaft member for a wheel hub assembly with rolling bearings
- 专利标题（中）：一种用于制造轴构件用于与滚动元件的轮毂装置的过程
- 申请号：EP12158039.3 申请日：2012-03-05
- 公开(公告)号：EP2497583B1 公开(公告)日：2013-08-21
- 发明人： Nakao, Motonori
- 申请人： JTEKT Corporation
- 申请人地址： 5-8, Minamisemba 3-chome Chuo-ku Osaka-shi, Osaka 542-8502 JP
- 专利权人： JTEKT Corporation
- 当前专利权人： JTEKT Corporation
- 当前专利权人地址： 5-8, Minamisemba 3-chome Chuo-ku Osaka-shi, Osaka 542-8502 JP
- 代理机构： Winter, Brandl, Fürniss, Hübner, Röss, Kaiser, Polte - Partnerschaft
- 优先权： JP2011048911 20110307
- 主分类号： B21J9/02
- IPC分类号： B21J9/02 ; B21K1/40 ; B21K25/00 ; F16C35/063 ; B60B27/00 ; B21J5/02 ; B21K23/04
摘要：
According to a method of manufacturing a flanged shaft member (1) having a plurality of flanges (21) used to fasten the shaft member to a wheel, when the flanges (21) are formed on a part between a shaft portion (10) and a fitting shaft portion (30) through lateral extrusion while a forged recess (35) is formed at a center of an end surface of the fitting shaft portion (30) with the use of a forging die apparatus for cold forging, each flange (21) is formed so as to be curved in a direction opposite to a direction, in which the flange warps due to springback caused after the lateral extrusion, by an amount corresponding to an amount of warpage due to the springback.
公开/授权文献:
IPC结构图谱:
| B | 作业；运输 |
| --B21 | 基本上无切削的金属机械加工；金属冲压 |
| ----B21J | 锻造；锤击；压制；铆接；锻造炉 |
| ------B21J9/00 | 锻压机 |
| --------B21J9/02 | .特殊设计或构造 |