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    ORBITAL CUTTING APPARATUS CAPABLE OF FREELY AND SELECTIVELY CONTROLLING PLURALITY OF CUTTING TOOLS WITHIN ROTATING BODY BY USING ROTATIONAL SPEED RATIO
    21.
    发明公开
    ORBITAL CUTTING APPARATUS CAPABLE OF FREELY AND SELECTIVELY CONTROLLING PLURALITY OF CUTTING TOOLS WITHIN ROTATING BODY BY USING ROTATIONAL SPEED RATIO 审中-公开
    自由和选择的控制电流结束切割系统的旋转体切削工具，通过速比的品种

    公开(公告)号：EP3130416A1

    公开(公告)日：2017-02-15

    申请号：EP15850395.3

    申请日：2015-10-12

    申请人： Dcseng Co., Ltd.

    发明人： CHOI, Insung

    IPC分类号： B23B5/14 ,  B23B5/08 ,  B26D3/16 ,  B23D21/00

    CPC分类号： B23D21/04 ,  B23B3/26 ,  B23B5/08 ,  B23B5/14 ,  B23B2220/04 ,  B23B2220/28 ,  B23D21/00 ,  B26D3/16

    摘要： Disclosed is an orbital cutting apparatus that is capable of freely and selectively controlling forward and backward movement of a plurality of cutting tools, allowing the cutting tools to move forward and backward and to move in an axial direction of a material to be cut so as to enable processing of various shapes as well as cutting and chamfering, and is capable of simultaneously carrying out cutting and chamfering operations for a pipe material or a heavy pipe having a thickness of dozens of mm or more. The orbital cutting apparatus according to the present disclosure includes: a spindle rotating unit coupled to one surface of a main body so as to rotate (C axis); a plurality of tool units coupled to reciprocate (X axis) toward a center of the spindle rotating unit on a front surface of the spindle rotating unit, thereby cutting a clamped material in an orbital manner; a relative movement unit coupled to the main body on an opposite side to the spindle rotating unit to be rotatable in synchronization with the spindle rotating unit, and configured to transmit a power to the plurality of tool units so as to cause the tool units to reciprocate; connection gears each formed at an end of each of driving shafts of the tool units so as to be selectively engaged with the relative movement unit so as to receive a power of the relative movement unit; an operation unit configured to cause a selected connection gear to be engaged with or be disengaged from the relative movement unit; and a control unit configured to control the movements of the spindle rotating unit and the relative movement unit.

    摘要翻译： 公开了一种轨道切割设备所做的是能够自由地并且选择性地控制前向和切割工具的多个向后移动，从而允许所述切割工具，以向前和向后移动，并在材料的轴向方向上移动，以被如此切割 使各种形状的加工以及切割和倒角，并且能够进行同时切割，倒角操作用于管道的材料或具有厚度几十毫米或更大的的重管构成。 轨道切割设备gemäß本发明包括：一主轴旋转单元联接到主体的一个表面上，以便旋转（C轴）; 的耦合到往复运动（X轴）向主轴在主轴的前表面旋转单元，从而切断在轨道的方式夹持在一个旋转材料单元的中心的工具单元的多元性; 耦合到所述主体上，以相反侧的主轴旋转单元的相对移动单元是在与主轴旋转单元同步旋转基体，和被配置为将动力传递给的工具单元的多元化，以使所述工具单元往复运动 ; 连接齿轮各自在形成于每一个驱动工具单元的轴的端部，以便与所述相对移动单元选择性地接合，以便接收所述相对移动单元的功率; 在被配置为使所选择的连接齿轮与啮合或从相对移动单元脱离操作单元; 和一个控制单元，用于控制主轴旋转单元和相对移动单元的移动。

    LOG SAW APPARATUS AND METHOD
    22.
    发明公开
    LOG SAW APPARATUS AND METHOD 审中-公开
    BLOCK切割装置和方法

    公开(公告)号：EP1506068A1

    公开(公告)日：2005-02-16

    申请号：EP03719909.8

    申请日：2003-04-24

    申请人： C.G. BRETTING MANUFACTURING CO., INC.

    发明人： BUTTERWORTH, TAD T.

    IPC分类号： B23B5/04 ,  B23B5/14

    CPC分类号： B26D3/164 ,  Y10T82/16655 ,  Y10T82/16786

    摘要： Some preferred embodiments of the present invention includes an apparatus and method employed for cutting a rotating log (12) of rolled product into rolls, the apparatus and method utilized for preventing collapse of a longitudinally extending aperture (16) in the log during the cutting process. The present invention includes a mandrel (52) received within the aperture (16) of the log to at least partially support the log (12) and to preferably maintain the integrity of the aperture (16) while the log (12) is being cut by a saw blade (40). Preferably, the mandrel (52) has at least one recess within which a saw blade (40) can be received during cutting operations upon the log (12).

    LATHE
    27.
    发明公开
    LATHE 审中-公开

    公开(公告)号：EP3862116A1

    公开(公告)日：2021-08-11

    申请号：EP19886890.3

    申请日：2019-10-30

    申请人： Star Micronics Co., Ltd.

    发明人： KAKU Norio

    IPC分类号： B23B3/30 ,  B23B5/14 ,  B23B25/06 ,  B23Q17/10 ,  B23Q17/12

    摘要： A lathe capable of shortening a cycle time of workpiece machining. A lathe 1 includes a first spindle (12) rotatable on a spindle axis AX1 and holding a workpiece W0, a second spindle (22) opposite the first spindle (12) to be rotatable on the spindle axis AX1 and holding the workpiece W0, a tool post 31 on which a cut-off tool T1 is provided for use to cut-off the workpiece W0 held by the first and the second spindles (12, 22), and a control unit U1 which controls rotation of the first and the second spindles (12, 22) and further controls relative movement of the first and the second spindles (12, 22) and the tool post 31 to cut-off the workpiece W0. The control unit U1 adds a rotation speed fluctuation to a rotation speed of the first spindle (12) after rotating the first spindle (12) and the second spindle (22) synchronously and detects a rotation speed of the second spindle (22). The control unit U1 determines that the workpiece W0 is normally cut-off upon determining that a detected fluctuation (ΔV2) in the rotation speed of the second spindle (22) is within a predetermined range.