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    • 4. 发明申请
    • ROTATABLE CUTTING TOOL AND KEY THEREFOR
    • 可旋转切割工具及其关键
    • US20170028479A1
    • 2017-02-02
    • US15222495
    • 2016-07-28
    • Franz Haimer Maschinenbau KG
    • Franz HAIMER
    • B23B51/00F16B7/18B23C5/10
    • A rotatable cutting tool, which extends along a tool axis defining an axial direction, includes a cutting formation in a first axial longitudinal end region, which is configured for material ablation on a workpiece, and includes a screw-connection formation in a second axial longitudinal end region opposing the first, which is configured for screw connection with a coupling unit. The cutting tool includes key-contact surface formations diametrically opposing each other with respect to the tool axis, which are configured for torque-transmitting abutting engagement with key surfaces of a key. Each of the key-contact-surface formations includes at least two key-contact surface regions provided with spacing from each other in the circumferential direction about the tool axis, which key-contact surface regions are inclined away from each other such that they form a vertex projecting away from the tool axis.
    • 沿着限定轴向方向的工具轴线延伸的可旋转切割工具包括在第一轴向纵向端部区域中的切割结构,其被构造成用于在工件上进行材料切削,并且包括在第二轴向纵向上的螺纹连接结构 端部区域与第一部分相对,其被构造成用于与联接单元的螺纹连接。 切割工具包括相对于工具轴线彼此径向相对的键接触表面结构,其被配置为扭矩传递与键的键表面邻接接合。 每个键 - 接触表面构造包括至少两个键接触表面区域,其围绕工具轴线在圆周方向上彼此间隔设置,该键接触表面区域彼此远离地形成一个 顶点突出远离刀具轴。