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    • 5. 发明授权
    • Adhesiveless disc drive spindle assembly
    • 无胶碟驱动主轴总成
    • US06282053B1
    • 2001-08-28
    • US08286287
    • 1994-08-05
    • Donald MacLeodLong Van NguyenAlireza RahimiRobert Nottingham
    • Donald MacLeodLong Van NguyenAlireza RahimiRobert Nottingham
    • G11B1708
    • H02K15/10G11B19/2009H02K1/182H02K1/28H02K5/1737
    • A spindle for a disc drive which can be assembled without the use of adhesives is disclosed. Stator electromagnets are encapsulated in a plastic overmold. The stator is clamped to the base with a clamp spring arrangement. An offset between the stator surface and the base flange is covered by a clamp spring such that binding of the clamp spring by a fastener allows for an adjustable biasing force to secure the stator in place. The magnet and flux shield are attached to the rotor sleeve by an easily positioned retaining ring. An elastic foam washer provides a controlled force to secure the magnet and flux shield in place on the rotor. A second elastic foam washer and a shield provide a controlled biasing force to hold magnetic fluid and magnetic poles to the rotor. Bearings are laser welded to the rotor and the shaft to rotatably mount the rotor about the shaft.
    • 公开了一种可以在不使用粘合剂的情况下组装的用于盘驱动器的主轴。 定子电磁体封装在塑料包覆模具中。 定子用夹紧弹簧装置夹紧到基座上。 定子表面和基部凸缘之间的偏移由夹紧弹簧覆盖,使得夹紧弹簧通过紧固件的夹紧允许可调节的偏置力将定子固定就位。 磁体和磁通屏蔽件通过易于定位的保持环附接到转子套筒。 弹性泡沫垫圈提供受控的力,以将磁体和磁通屏蔽件固定在转子上的适当位置。 第二弹性泡沫垫圈和屏蔽件提供受控的偏压力以将磁性流体和磁极保持在转子上。 轴承被激光焊接到转子和轴上以将转子可旋转地安装在轴上。