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    • 36. 发明公开
    • MACHINE TOOL AND BRAKE CHECKING METHOD
    • 机床和制动检查方法
    • EP3195975A1
    • 2017-07-26
    • EP15842214.7
    • 2015-06-22
    • DMG Mori Co., Ltd.
    • OKAMOTO YoichiGOMI Eiichiro
    • B23Q5/54B23Q5/40B23Q15/00B23Q17/00F16D66/00
    • B23Q17/007B23Q5/40B23Q5/58F16D66/00F16D2121/20F16H25/2204F16H25/2454
    • A machine tool for detecting a brake failure more reliably in a mechanism that stops the rotation of a vertical shaft by at least two brakes includes a ball screw extended in a vertical direction, a driving motor that rotates the ball screw, a movable part that vertically moves along the ball screw in accordance with the rotation of the ball screw driven by the driving motor, at least two brakes that prevent a fall of the movable part while power supply to the driving motor is stopped, a brake controller that releases at least one of the at least two brakes while power supply to the driving motor is stopped, and a detector that detects presence/absence of a fall of the movable part or a fall distance of the movable part resulting from the release of the at least one brake, thereby detecting a trouble of an unreleased one of the at least two brakes.
    • 在通过至少两个制动器停止竖直轴的旋转的机构中,用于更可靠地检测制动失效的机床包括沿竖直方向延伸的滚珠丝杠,旋转滚珠丝杠的驱动电机, 根据由所述驱动马达驱动的所述滚珠丝杠的旋转而沿着所述滚珠丝杠移动;至少两个制动器,所述至少两个制动器在所述驱动马达的电力供应停止的同时防止所述可移动部件掉落;制动控制器,所述制动控制器释放至少一个 在向所述驱动电动机的电力供给停止的同时,所述至少两个制动器中的至少两个制动器中的至少一个制动器的动作停止;以及检测器,检测由于所述至少一个制动器的释放而导致的所述可动部的有无或者所述可动部的下降距离, 从而检测至少两个制动器中未释放的一个制动器的故障。
    • 38. 发明公开
    • MACHINE TOOL
    • MASCHINENWERKZEUG
    • EP3045263A4
    • 2017-05-24
    • EP13893363
    • 2013-09-13
    • MAKINO MILLING MACHINE
    • SUZUKI KENICHIRO
    • B23Q1/01
    • B23Q1/017B23Q1/01B23Q1/012B23Q1/015B23Q5/34B23Q5/36B23Q5/40
    • A machine tool (10) which causes a tool (T) mounted on a main spindle (24) and workpiece attached to a table (16) to move relative to each other so as to machine the workpiece, said machine tool (10) being equipped with: a column (14) that has guides (30, 32) for guiding movements in the vertical direction, that is, the direction of gravity; and a moving body (18) that supports a spindle head (22) at the front and moves in the vertical direction along the guides (30, 32). The guides (30, 32) comprise a pair of right and left first guides (30) and at least one second guide (32) that is provided on the inner side of and posterior to the pair of first guides (30).
    • 一种机床(10),其使安装在主轴(24)上的工具(T)和安装在工作台(16)上的工件相对移动而加工工件,所述机床(10) 配备有:具有引导件(30,32)的立柱(14),所述引导件用于沿垂直方向即重力方向引导运动; 以及在前部支承主轴头22并沿着导向件30,32沿上下方向移动的移动体18。 导向件30,32包括一对左右第一导向件30和至少一个第二导向件32,该第二导向件32设置在一对第一导向件30的内侧和后侧。
    • 39. 发明公开
    • MACHINE TOOL
    • 机床
    • EP3045263A1
    • 2016-07-20
    • EP13893363.5
    • 2013-09-13
    • Makino Milling Machine Co., Ltd.
    • SUZUKI, Kenichiro
    • B23Q1/01
    • B23Q1/017B23Q1/01B23Q1/012B23Q1/015B23Q5/34B23Q5/36B23Q5/40
    • A machine tool (10) which causes a tool (T) mounted on a main spindle (24) and workpiece attached to a table (16) to move relative to each other so as to machine the workpiece, said machine tool (10) being equipped with: a column (14) that has guides (30, 32) for guiding movements in the vertical direction, that is, the direction of gravity; and a moving body (18) that supports a spindle head (22) at the front and moves in the vertical direction along the guides (30, 32). The guides (30, 32) comprise a pair of right and left first guides (30) and at least one second guide (32) that is provided on the inner side of and posterior to the pair of first guides (30).
    • 一种机床(10),其使安装在主轴(24)上的工具(T)和安装在工作台(16)上的工件相对移动而加工工件,所述机床(10) 配备有:具有引导件(30,32)的立柱(14),所述引导件用于沿垂直方向即重力方向引导运动; 以及在前部支承主轴头22并沿着导向件30,32沿上下方向移动的移动体18。 导向件30,32包括一对左右第一导向件30和至少一个第二导向件32,该第二导向件32设置在一对第一导向件30的内侧和后侧。