发明名称 |
SPINDLE DEVICE AND FLINGER FOR SPINDLE DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide a spindle device and a flinger for the spindle device that allow high-speed rotation using bearings with a dmn value of one million or more and can prevent the flinger from being deformed by centrifugal force while keeping a good waterproofing function.SOLUTION: A spindle device 40 comprises: a cylindrical boss part 42 fitted onto a rotating shaft 11; a disk part 43 extending with an inclination from an axial front end part of the boss part 42 toward a radial outside and opposed to an axial front face of a housing H via a gap; an annular part 44 extending from a radial outside end part of the disk part 43 toward the other axial end side and opposed to an outer peripheral surface of the housing H via a gap; a flinger body 41 made of a metal material; and a ring member 70 fitted onto an outer peripheral surface of the annular part 44 and made of a carbon fiber composite material. |
申请公布号 |
JP2014066345(A) |
申请公布日期 |
2014.04.17 |
申请号 |
JP20120213936 |
申请日期 |
2012.09.27 |
申请人 |
NSK LTD |
发明人 |
YONEYAMA HIROKI;KATSUNO YOSHIAKI |
分类号 |
F16J15/447;B23B19/02;B23Q11/00;B23Q11/08;F16C19/16;F16C33/76;F16C33/80 |
主分类号 |
F16J15/447 |
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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