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31. 发明授权

US06481940B2 Spindle in a machine tool 有权
标题翻译：主轴在机床上
公开(公告)号：US06481940B2
公开(公告)日：2002-11-19
申请号：US09891056
申请日：2001-06-25
申请人： Dirk Prust , Rudolf Haninger
发明人： Dirk Prust , Rudolf Haninger
IPC分类号： B23C100
CPC分类号： B23B31/265 , Y10T82/2562 , Y10T82/2589 , Y10T408/953 , Y10T409/309464
摘要： A spindle (10) is arranged in a machine tool, said spindle (10) having an axis (46), a receptacle arranged in the axis (46) and provided for receiving a shaft of a tool holder (14), and a clamping mechanism for axial fixation of the shaft in the receptacle, the clamping mechanism comprising an axially movable clamping arbor (18) with a circumference, at least one segment (60) arranged at said circumference and having at least a first and a second radial operation position, whereby said at least one segment (60) fixes said shaft positively in said receptacle, when being in the first radial operation position, first guiding means acting between the clamping arbor (18) and the at least one segment (60) such that upon axial movement of the clamping arbor (18) the at least one segment (60) is radially transferred between said first and second radial operation positions, and second guiding means arranged for holding said at least one segment (60) in the defined way when being in said second radial operation position or in any interposition between said first and said second radial operation positions.
摘要翻译：主轴（10）布置在机床中，所述主轴（10）具有轴线（46），布置在轴线（46）中的插座，并且设置用于容纳工具架（14）的轴，并且夹紧所述夹紧机构包括具有圆周的可轴向移动的夹紧心轴（18），至少一个分段（60）布置在所述圆周处并具有至少第一和第二径向操作位置，其中所述至少一个部分（60）在所述容器中正向地固定所述轴，当处于所述第一径向操作位置时，所述第一引导装置作用在所述夹紧心轴（18）和所述至少一个段（60）之间，所述夹紧心轴（18）的所述至少一个段（60）的轴向运动在所述第一和第二径向操作位置之间径向传递，并且所述第二引导装置设置成当所述至少一个段（60）处于在第二个径向操作位置或在所述第一和第二径向操作位置之间的任何插入中。

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