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    • 5. 发明公开
    • Cutting devices
    • Schneidvorrichtungen
    • EP2070622A1
    • 2009-06-17
    • EP08021527.0
    • 2008-12-11
    • Makita Corporation
    • Miura, Masahiko
    • B23D45/04B27G19/04B23D47/12
    • B23D45/048B23D47/126B27G19/02Y10T83/7697
    • As cutting device (1; 50) includes a table (2) having an upper surface for placing thereon a workpiece (W, W1, W2), a positioning fence (7) operable to position the workpiece (W, W1, W2) on the upper surface of the table (2); and a tool unit (10) vertically movably supported on the table (2). The tool, unit (10) includes a drive source, a rotary tool (12) rotatably driven by the drive source, and a cover configured to cover an upper portion of the cutting tool (12), The cover has a lower end portion including a first part (11c) and a second part (11d) positioned on opposite sides with respect to a rotational axis of the cutting tool (12). When the tool unit (10) is positioned a substantially lowermost position, the first part (11c) is positioned at a first level and vertically opposes to the fence (7), while the second part (11d) is positioned at a second level and does not oppose to the fence (7). The first level is higher than the second level.
    • 由于切割装置(1; 50)包括具有用于放置工件(W,W1,W2)的上表面的工作台(2),可操作以将工件(W,W1,W2)定位在其上的定位挡板 桌子(2)的上表面; 和可垂直移动地支撑在工作台(2)上的工具单元(10)。 工具单元(10)包括驱动源,由驱动源可旋转地驱动的旋转工具(12)和覆盖切割工具(12)的上部的盖。盖具有下端部,包括 第一部分(11c)和位于相对于切割工具(12)的旋转轴线的相对侧上的第二部分(11d)。 当工具单元(10)位于基本上最低的位置时,第一部分(11c)被定位在第一水平面上并且与栅栏(7)垂直相对,而第二部分(11d)位于第二水平,并且 不反对栅栏(7)。 第一级高于第二级。