发明申请
US20100266225A1 SHAFT MEMBER FOR FLUID LUBRICATION BEARING APPARATUSES AND A METHOD FOR PRODUCING THE SAME
有权
基本信息:
- 专利标题： SHAFT MEMBER FOR FLUID LUBRICATION BEARING APPARATUSES AND A METHOD FOR PRODUCING THE SAME
- 专利标题（中）：用于流体润滑轴承装置的轴件及其制造方法
- 申请号：US12827014 申请日：2010-06-30
- 公开(公告)号：US20100266225A1 公开(公告)日：2010-10-21
- 发明人： Nobuyoshi Yamashita , Natsuhiko Mori , Toshiyuki Mizutani , Takeshi Shimazaki , Koji Yamagata
- 申请人： Nobuyoshi Yamashita , Natsuhiko Mori , Toshiyuki Mizutani , Takeshi Shimazaki , Koji Yamagata
- 优先权： JP2004-261436 20040908; JP2004-261457 20040908
- 主分类号： F16C32/06
- IPC分类号： F16C32/06
摘要：
A shaft member for hydrodynamic bearing apparatuses which can restore the pressure balance in a thrust bearing gap formed on both axial sides of the flange portion in an early stage is provided at low costs.A shaft material 10 integrally having a shaft portion 11 and a flange portion 12 is formed as a through-hole 19 opening to its both end faces 12a, 12b on the flange portion 12 of the shaft material 10 is formed in a common forging step. As a result, the through-hole 29 is formed to open to the inner diameter side of these bearing gap W1, W2 avoiding thrust bearing gaps W1, W2 formed on both end faces of the flange portion 22 of the shaft member 2 as a finished product.
摘要（中）：
能够以低成本提供用于流体动力轴承装置的轴构件，其能够在早期阶段恢复形成在凸缘部的两个轴向侧上的推力轴承间隙中的压力平衡。 形成有轴部11和凸缘部12一体地形成的轴材10，在通常的锻造工序中形成有贯通孔19，该贯通孔19在轴材10的凸缘部12上的两端面12a，12b开口。 结果，通孔29形成为向这些轴承间隙W1，W2的内径侧开口，避免形成在轴构件2的凸缘部22的两个端面上的推力轴承间隙W1，W2作为成品 产品。