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    • 2. 发明授权
    • Automatic lathe
    • 自动车床
    • US06928909B1
    • 2005-08-16
    • US10381193
    • 2000-09-22
    • Satoru AkimotoEiichiro SomeyaShinsuke KasaharaToshio Ishimura
    • Satoru AkimotoEiichiro SomeyaShinsuke KasaharaToshio Ishimura
    • B23B3/06B23B3/16B23B3/34B23B7/06B23B29/26B23Q39/02B23Q39/04
    • B23Q39/026B23B3/065B23B3/168B23B7/06B23B29/26B23Q39/04B23Q39/048B23Q2039/008B23Q2230/006G05B2219/45124Y10T29/5114Y10T82/16442Y10T82/16622Y10T82/2508Y10T82/2524Y10T82/2543
    • An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) capable of holding a plurality of tools (22) in parallel arrangements in a first row and second row exhibiting mutually different nose orientations, and a second spindle (16) having an axis of rotation parallel to the axis of rotation of the first spindle and capable of being located facing the first spindle, in such a manner as to be centrally carried on a lathe bed (12). The first spindle can move linearly along a first control axis parallel to its axis of rotation. The first tool rest can move linearly along a second control axis perpendicular to the first control axis. The second tool rest can move linearly along a third control axis perpendicular to the first control axis and a fourth control axis parallel to the first control axis. The second spindle can move linearly along a fifth control axis parallel to the third control axis and a sixth control axis parallel to the first control axis. A control unit (106) enables simultaneous performance of first machining work relating to the first spindle by a desired tool selected at the first tool rest, second machining work relating to the first spindle by a desired tool selected from the first row at the second tool rest, and third machining work relating to the second spindle by a desired tool selected from the second row at the second tool rest.
    • 一种自动车床(10)设置有具有旋转轴线(14a)的第一主轴(14),能够平行地保持多个工具(22)的第一工具架(18),第二工具 能够以平行的方式将多个工具(22)保持在具有相互不同的鼻取向的第一行和第二列中的休息(20),以及具有平行于所述旋转轴线的旋转轴线的第二主轴(16) 第一主轴并且能够以与第一主轴相对的方式定位,以便被集中地携带在车床(12)上。 第一主轴可以沿着平行于其旋转轴线的第一控制轴线性移动。 第一刀架可以沿着垂直于第一控制轴的第二控制轴线性移动。 第二刀架可以沿着垂直于第一控制轴的第三控制轴和与第一控制轴平行的第四控制轴线性移动。 第二主轴可以沿平行于第三控制轴的第五控制轴和与第一控制轴平行的第六控制轴线性移动。 控制单元(106)能够同时执行与第一主轴相关的第一加工工作,所述第一加工工作是在第一刀架处选择的期望刀具,通过在第二刀具上从第一行选择的期望刀具与第一主轴相关的第二加工 通过在第二刀架上从第二列中选择的期望的刀具与第二主轴相关的第三加工工作。
    • 5. 发明授权
    • Polygon working method
    • POLYGON工作方法
    • US5224404A
    • 1993-07-06
    • US863301
    • 1992-06-24
    • Shinichi KonoTakahiro Akiyama
    • Shinichi KonoTakahiro Akiyama
    • B23B5/44B23Q15/00B23Q27/00G05B19/18
    • G05B19/184B23Q27/00G05B2219/34388G05B2219/45124G05B2219/45236G05B2219/50216Y10T82/10Y10T82/13
    • A polygon working method in which a polygonal portion can be formed on a workpiece in such a manner that a specific region of the polygonal portion is accurately in alignment with a predetermined circumferential position on the workpiece. In this method, the workpiece and a tool are simultaneously rotated in a manner such that a cutter of the tool is opposed to a circumferential workpiece position deviated from a predetermined circumferential position of the workpiece by the amount corresponding to the difference between a first positional deviation (PE1), which is produced during the time interval between the start of the rotation of a first main spindle (3a) fitted with the workpiece (1) and the establishment of a steady-state operation mode, in which the first and second main spindles (3a, 3b) rotate with a predetermined rotational speed ratio, and a second positional deviation (PE2), which is produced during the time interval between the start of the rotation of the second main spindle fitted with the tool and the establishment of the steady-state operation mode, and tool feed is started when the steady-state operation mode is established.
    • PCT No.PCT / JP91 / 01476 Sec。 371日期:1992年6月24日 102(e)日期1992年6月24日PCT 1991年10月29日PCT公布。 出版物WO92 / 07684 日期:1992年5月14日。一种多边形加工方法,其中可以在工件上形成多边形部分,使得多边形部分的特定区域准确地与工件上的预定圆周位置对准。 在该方法中,工件和工具同时旋转,使得刀具的刀具与从工件的预定圆周位置偏离的圆周工件位置相对应于与第一位置偏差 (PE1),其在装配有工件(1)的第一主轴(3a)的旋转开始之间的时间间隔和建立稳态操作模式之间产生,其中第一和第二主体 主轴(3a,3b)以预定的转速比旋转,并且在与工具配合的第二主轴的旋转开始之间的时间间隔期间产生的第二位置偏差(PE2) 稳态运行模式,并在稳态运行模式建立时开始进刀。
    • 7. 发明授权
    • Automatic lathe
    • 自动车床
    • US07117774B2
    • 2006-10-10
    • US11113105
    • 2005-04-25
    • Satoru AkimotoEiichiro SomeyaShinsuke KasaharaToshio Ishimura
    • Satoru AkimotoEiichiro SomeyaShinsuke KasaharaToshio Ishimura
    • B23D3/30
    • B23Q39/026B23B3/065B23B3/168B23B7/06B23B29/26B23Q39/04B23Q39/048B23Q2039/008B23Q2230/006G05B2219/45124Y10T29/5114Y10T82/16442Y10T82/16622Y10T82/2508Y10T82/2524Y10T82/2543
    • An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) capable of holding a plurality of tools (22) in parallel arrangements in a first row and second row exhibiting mutually different nose orientations, and a second spindle (16) having an axis of rotation parallel to the axis of rotation of the first spindle and capable of being located facing the first spindle, in such a manner as to be centrally carried on a lathe bed (12). The first spindle can move linearly along a first control axis parallel to its axis of rotation. The first tool rest can move linearly along a second control axis perpendicular to the first control axis. The second tool rest can move linearly along a third control axis perpendicular to the first control axis and a fourth control axis parallel to the first control axis. The second spindle can move linearly along a fifth control axis parallel to the third control axis and a sixth control axis parallel to the first control axis. A control unit (106) enables simultaneous performance of first machining work relating to the first spindle by a desired tool selected at the first tool rest, second machining work relating to the first spindle by a desired tool selected from the first row at the second tool rest, and third machining work relating to the second spindle by a desired tool selected from the second row at the second tool rest.
    • 一种自动车床(10)设置有具有旋转轴线(14a)的第一主轴(14),能够平行地保持多个工具(22)的第一工具架(18),第二工具 能够以平行的方式将多个工具(22)保持在具有相互不同的鼻取向的第一行和第二列中的休息(20),以及具有平行于所述旋转轴线的旋转轴线的第二主轴(16) 第一主轴并且能够以与第一主轴相对的方式定位,以便被集中地携带在车床(12)上。 第一主轴可以沿着平行于其旋转轴线的第一控制轴线性移动。 第一刀架可以沿着垂直于第一控制轴的第二控制轴线性移动。 第二刀架可以沿着垂直于第一控制轴的第三控制轴和与第一控制轴平行的第四控制轴线性移动。 第二主轴可以沿平行于第三控制轴的第五控制轴和与第一控制轴平行的第六控制轴线性移动。 控制单元(106)能够同时执行与第一主轴相关的第一加工工作,所述第一加工工作是在第一刀架处选择的期望刀具,通过在第二刀具上从第一行选择的期望刀具与第一主轴相关的第二加工 通过在第二刀架上从第二列中选择的期望的刀具与第二主轴相关的第三加工工作。
    • 8. 发明授权
    • Synchronous control method and apparatus therefor
    • 同步控制方法及其装置
    • US5047702A
    • 1991-09-10
    • US513818
    • 1990-04-25
    • Yoshimaro HanakiMasayuki Nashiki
    • Yoshimaro HanakiMasayuki Nashiki
    • B23Q15/00G05B19/416H02P5/52
    • G05B19/416G05B2219/45124G05B2219/50216
    • During synchronous control, a first servo motor controls a position of a first spindle system and a second spindle system having a second servo motor makes calculations for estimating the torque required for the second servo motor and gives a command, so that, when a rotational phase difference between the two servo motors exceeds a predetermined value, the rotational phase difference is made equal to zero by a rotational phase difference signal. A torque command to the first servo motor, an inertia ratio between the first and second servo motors, the rotational resistance of the two spindle systems and so on are input to a torque estimator which makes calculations for estimating the torque required for the second servo motor. The estimated torque is used to control the second servo motor. The two servo motors thus generate the appropriate torque when a work held between the two spindle systems is processed. It is therefore possible to significantly reduce the torsional torque applied to the work. In addition, since the rotational phase difference between the two servo motors of two spindle systems is reduced, synchronous control with high precision can be effected even if the work has a low rigidity.
    • 在同步控制期间,第一伺服电动机控制第一主轴系统的位置,并且具有第二伺服电动机的第二主轴系统进行计算以估计第二伺服电动机所需的转矩并给出命令,使得当旋转相位 两个伺服电动机之间的差超过预定值,通过旋转相位差信号使旋转相位差等于零。 向第一伺服电动机的转矩指令,第一伺服电动机和第二伺服电动机之间的惯量比,两个主轴系统的旋转阻力等输入到转矩估计器,该估计器进行用于估计第二伺服电动机所需的转矩的计算 。 估计转矩用于控制第二伺服电机。 因此,当处理两个主轴系统之间的工件时,两个伺服电动机产生适当的转矩。 因此,可以显着地减小施加到工件上的扭矩。 此外,由于两个主轴系统的两个伺服电动机之间的旋转相位差减小,即使工作刚度低,也能够实现高精度的同步控制。
    • 10. 发明申请
    • Lathe
    • 车床
    • US20170014963A1
    • 2017-01-19
    • US15199211
    • 2016-06-30
    • DMG MORI CO., LTD.
    • Koji Tsuchimochi
    • B23Q17/00B23Q15/013G05B19/4155B23B13/12
    • B23Q1/766B23B3/168B23Q15/12B23Q17/00G05B19/4062G05B2219/36204G05B2219/37037G05B2219/42289G05B2219/45124
    • A lathe 1 includes a first tool rest 10 and a second tool rest 20 disposed to face each other with a spindle axis between them and is configured to, when machining a workpiece W with a tool attached to the first tool rest 10, support the portion to be machined of the workpiece W at a side opposite to the portion to be machined of the workpiece W with a support member 28 attached to the second tool rest 20. A servo motor 24 that moves the second tool rest 20 when supporting the workpiece W is supplied with a current within a preset limiting range. The limiting range is previously set based on a current value detected by driving the servo motor 24 to move the second tool rest 20 and detecting a value of a current supplied to the servo motor 24 during the movement.
    • 车床1包括第一工具架10和第二工具架20,第二工具架20和第二工具架20之间以主轴为中心彼此面对并且被构造成当用连接到第一工具架10的工具加工工件W时,支撑部分 在与工件W的被加工部分相对的一侧被加工成具有附接到第二工具架20的支撑构件28的伺服电机24,当支撑工件W时移动第二工具架20 在预设的限制范围内提供电流。 基于通过驱动伺服电机24检测到的电流值来移动第二刀架20并检测在运动期间提供给伺服马达24的电流的值,预先设定限制范围。