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    • 4. 发明公开
    • MACHINE TOOL WITH OSCILLATION SENSOR AND WORKPIECE PROCESSING METHOD
    • WERKZEUGMASCHINE MIT SCHWINGUNGSSENSOR UNDWERKSTÜCKBEARBEITUNGSVERFAHREN
    • EP2949423A2
    • 2015-12-02
    • EP15169395.9
    • 2015-05-27
    • Nakamura-Tome Precision Industry Co., Ltd.
    • NISHIMURA, NaotsuguINOUE, Hiroki
    • B23Q15/12B23Q17/09G05B19/404B23B7/02B23B13/02B23B13/08
    • B23Q17/0971B23B13/08B23B2260/1285B23Q15/12G05B19/404G05B2219/37434G05B2219/42077G05B2219/50325Y02P90/265
    • In a machine tool provided with an auxiliary equipment such as a bar feeder (2) and a processed workpiece discharge device (3) in which oscillation is induced by rotation of a main shaft (11) of an NC machine tool, the invention prevents the oscillation in the work during the processing, the machine tool main body and the auxiliary equipment so as to prevent an adverse effect caused by the mechanical oscillation such as generation of noise during the processing and reduction of a machine service life. An oscillation sensor (6) is attached to the auxiliary equipment, and the oscillation of the auxiliary equipment during operation is output to the NC device in the machine tool main body side. In the case that the oscillation reaches an oscillation allowable upper limit value of which is set in the NC device, speed or rotation of the main shaft designated by a processing program is decreased. In the case that the oscillation does not become small even then, the machine is stopped as an alarm. In the case that the oscillation becomes larger due to resonance, the oscillation is prevented by increasing the speed of rotation of the main shaft.
    • 在具有通过数控机床的主轴(11)的旋转而引起摆动的加工工件排出装置(3)的辅助设备(例如棒式进料器)和加工工件排出装置(3)的机床中, 加工过程中的工作振动,机床主体和辅助设备,以防止机械振荡引起的不利影响,如加工过程中产生噪音,降低机器使用寿命。 振动传感器(6)安装在辅助设备上,操作期间辅助设备的振荡输出到机床主体侧的NC设备。 在振动达到其设定在NC装置中的振动允许上限值的情况下,由处理程序指定的主轴的速度或旋转减小。 即使在振荡也不会变小的情况下,机器作为报警器停止。 在振动由于共振而变大的情况下,通过增加主轴的旋转速度来防止振动。
    • 6. 发明公开
    • AUTOMATIC LATHE, AND METHOD FOR CONTROLLING THE SAME AND DEVICE FOR CONTROLLING THE SAME
    • 自动车床和控制的方法和控制装置
    • EP1383018A1
    • 2004-01-21
    • EP01926074.4
    • 2001-04-27
    • Citizen Watch Co., Ltd.
    • FUJINAWA, Tadashi, C/O CITIZEN WATCH CO., LTD.
    • G05B19/4097B23Q15/013B23B1/00B23B7/02
    • B23Q15/013G05B2219/42189G05B2219/43174Y10T82/135Y10T82/2502Y10T82/2583Y10T82/2585
    • A method for controlling an automatically operated lathe, provided with at least one spindle and at least one tool rest, includes the following steps. First, each of a plurality of transfer position data required in a sequence of machining programs in connection with at least one spindle and at least one tool rest is provided in a form of a cam-reference data directing a transfer position as a function of a cam rotation quantity. A plurality of pulse-train generating sources, each of which generates any pulse train, is also provided. Next, with regard to each of the plural transfer position data, a pulse-train generating source for generating a pulse train defining the cam rotation quantity as one component of the cam-reference data is designated, with the pulse-train generating source being selected from the plural pulse-train generating sources. Then, each of the plural transfer position data provided in the form of the cam-reference data is processed by using the pulse train generated through the pulse-train generating source as designated, so as to control a relative feed motion between at least one spindle and at least one tool rest in the sequence of machining programs.
    • 一种用于在自动操作的车床控制方法,设置有至少一个心轴和至少一个刀架,包括以下步骤。 首先,每个在与至少一个心轴和至少一个刀架连接的加工程序的序列所需的转印位置的数据的多个在凸轮参考数据引导作为一个功能的转印位置的形式提供 凸轮旋转量。 的脉冲串发生源的多个,其中每一个基因的费率任何脉冲串,因此被提供。 接着,相对于每个所述多个移动位置数据,用于产生一个脉冲序列限定的凸轮旋转量随着凸轮基准数据的一个分量的脉冲串生成源的被指定时,与被选择的脉冲串发生源 从多个脉冲串产生源。 然后,每个在凸轮基准数据的形状所提供的多个传送位置数据是通过使用通过脉冲串发生源产生的脉冲串,作为指定以控制至少一个心轴之间的相对进给运动处理 和至少一个刀架加工程序的顺序排列。