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发明公开
CN102510738A 带肋的外科钻 有权 转让

带肋的外科钻
摘要：
外科钻包括附接钻头(32)的钻杆(22)。钻头包括多个出屑槽(46)。每个出屑槽至少具有前刀表面(45)和凸轮表面(60)。所述前刀表面自钻头的纵向轴线径向向外延伸。所述前刀表面限定出屑槽切削刃(38)。相关联的凸轮表面背离所述前刀表面弯曲。一个或者多个肋(70)自凸轮表面径向向外延伸。
摘要（英）：

The bur includes a shaft (22) to which a bur head (32) is attached. The bur head includes a plurality of flutes (46). Each flute at least has a rake surface (45) and a cam surface (60). The rake surface extends radially outwardly from the longitudinal axis of the head. The rake surface defines a flute cutting edge (38). The associated cam surface curves away from the rake surface. One or more ribs (70) extend radially outwardly from the cam surface.

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