SLOT MACHINING
    1.
    发明申请
    SLOT MACHINING 审中-公开
    槽加工

    公开(公告)号:WO2013109429A3

    公开(公告)日:2014-11-06

    申请号:PCT/US2013020624

    申请日:2013-01-08

    Abstract: A method for cutting a blade root retention slot (24) in a turbine engine disk element (20) includes forming a precursor slot (24') in the element. The precursor slot (24') has first (40A, 41A, 42A, 44A, 45A) and second (40B, 41B, 42B, 44B, 45B) sidewalls and a base (46). A rotating bit (120) is passed through the precursor slot (24') to machine the base. The bit rotates about an axis (520) off normal to a direction (512) of passing. A cutting performance of the rotating bit (120) is modeled reflecting a chip trapping intensity parameter (cp) and a heat intensity parameter (HI). At least one parameter of the bit and its passing is selected so as to avoid tool loading where removed chips/swafs stick onto the bit.

    Abstract translation: 在涡轮发动机盘元件(20)中切割叶片根部保持槽(24)的方法包括在元件中形成前体槽(24')。 前体槽(24')具有第一(40A,41A,42A,44A,45A)和第二(40B,41B,42B,44B,45B)侧壁和基座(46)。 旋转钻头(120)穿过前置槽(24')以加工底座。 该钻头绕垂直于通过方向(512)的轴线(520)旋转。 对旋转钻头(120)的切割性能进行建模,以反映芯片捕获强度参数(cp)和热强度参数(HI)。 选择钻头及其通过的至少一个参数,以避免在卸下的切屑/纱线粘附在钻头上的刀具加载。

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