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    • 1. 发明公开
    • Notched grind wheel and method to manufacture a rotor blade retention slot
    • 缺口砂轮及其制造方法的转子叶片保持槽
    • EP2163343A2
    • 2010-03-17
    • EP09250972.8
    • 2009-03-31
    • United Technologies Corporation
    • Barnat, Krzysztof
    • B24B19/02B24D7/18
    • B24B19/02B24B19/009B24D7/18
    • A method of grinding a slot base (44) of a blade retention slot (40) within a rotor disk (26) includes rotationally aligning a grind wheel (60) about an axis of rotation (W) to align a first notch (70A) with first and second opposed lobes (46AC,46BC) of the blade retention slot (40) of the rotor disk (26); transiting the grind wheel (60) along the blade retention slot (40) such that the first notch (70A) is passed between a lobe width defined by the first and second opposed lobes (46AC,46BC) of the blade retention slot (40); rotating the grind wheel (60) about the axis of rotation (W); and transiting the rotating grind wheel (60) along the blade retention slot (40) to grind a slot base (44) with a rim (64) of the grind disk (60), the slot base (44) having a width greater than the lobe width of the blade retention slot (44). A grind wheel (60) includes a rim (64) having at least one notch (70A) formed in the rim (64) to grind the slot base (44) of the blade retention slot (40) within the rotor disk (26).
    • 转子盘(26)内的研磨的叶片保持槽(40)的槽底(44)的方法,包括旋转地对准有关的旋转(W)的轴线的研磨轮(60)以对齐的第一凹口(70A) 与所述转子盘(26)的叶片保持槽(40)的第一和第二相对叶(46AC,46bc); 过渡沿叶片保持槽(40)检测并与第一凹口(70A)由所述叶片保持槽的第一和第二相对叶(46AC,46bc)定义的波瓣宽度之间传递的研磨轮(60)(40) ; 围绕旋转(W)的轴线的碾轮式(60); 和过渡沿叶片保持槽(40),该旋转研磨轮(60),以磨削槽底部(44)与研磨盘的轮缘(64)(60),所述槽底部(44),其具有宽度大于 叶片保持槽的波瓣宽度(44)。 在研轮(60)包括在所述边缘(64)形成为具有至少一个凹口(70A)的边沿(64),以研磨转子盘内的叶片保持槽(40)的槽底(44)(26) ,