Hybrid hydrostatic spindle
    1.
    发明公开
    Hybrid hydrostatic spindle 有权
    Hybride hydrostatische Spindel

    公开(公告)号:EP1080829A1

    公开(公告)日:2001-03-07

    申请号:EP00402338.8

    申请日:2000-08-22

    摘要: The present invention relates to a spindle unit (100) which is able to work both in a low speed powerful roughing regime and medium and high speed precision semi-finishing and finishing. The spindle unit (100) includes a body (1), a shaft (2) placed into the body (1), journal bearings (4,8) between the body (1) and the shaft (2), and at least one journal-thrust ball bearing assembly (19) placed between the body (1) and the shaft (2). A hydraulic or pneumatic cylinder is used to move the shaft (2) in an axial direction. The spindle unit further has a pad (26) placed on at least one side of the hydraulic or pneumatic cylinder. As a result of this construction, the spindle unit can work as a fully restricted spindle unit with and without additional ball bearing support.

    摘要翻译: 本发明涉及一种主轴单元(100),能够以低速强大的粗加工方式和中,高速精密半精加工和精加工两者同时工作。 主轴单元(100)包括主体(1),放置在主体(1)中的轴(2),主体(1)和轴(2)之间的轴颈轴承(4,8),以及至少一个 轴承推力球轴承组件(19)放置在主体(1)和轴(2)之间。 液压或气压缸用于沿轴向移动轴(2)。 主轴单元还具有放置在液压或气动缸的至少一侧上的垫(26)。 作为这种结构的结果,主轴单元可以作为完全受限制的主轴单元,具有和不具有附加的球轴承支撑。