发明名称 |
Method of manufacturing dynamic pressure bearing having large load-carrying capacity and preventing damage of opposite surface |
摘要 |
A dynamic pressure bearing has a large load-carrying capacity, and a ridge portion defined between adjacent grooves is prevented from damaging an opposite surface. The bearing includes an axial bearing surface having dynamic pressure generating grooves formed thereon by plastic working. The bearing has ridge portions defined between the adjacent dynamic pressure generating grooves. A top end of the ridge portion has rounded edge portions and a flat bearing surface defined between the edge portions. Since the edge portions of the top end are rounded, an opposite surface is prevented from being damaged. Further, the presence of the flat bearing surface defined between the edge portions results in increased load-carrying capacity.
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申请公布号 |
US5787579(A) |
申请公布日期 |
1998.08.04 |
申请号 |
US19970796812 |
申请日期 |
1997.02.06 |
申请人 |
KOYO SEIKO CO., LTD. |
发明人 |
TAKAHASHI, TAKESHI;TAKAMURA, YASUO |
分类号 |
F16C17/04;F16C33/10;F16C33/14;(IPC1-7):B21D22/00 |
主分类号 |
F16C17/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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