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    • 11. 发明授权
    • Numerical controller
    • 数控机
    • US07274165B2
    • 2007-09-25
    • US11410289
    • 2006-04-25
    • Yasushi TakeuchiTakahiko Endo
    • Yasushi TakeuchiTakahiko Endo
    • G05B19/10
    • G05B19/404G05B19/4103G05B2219/34095G05B2219/34175G05B2219/41206G05B2219/42246G05B2219/42248
    • A numerical controller capable of mitigating mechanical shock caused by tool compensation while a machine tool is operated according to table data. X- and Z-axis path tables Tx, Tz store X- and Z-axis positions corresponding to reference positions (time or spindle position). A tool compensation table Tt stores X- and Z-axis compensation amounts (tool compensation numbers) associated with the respective reference positions. At every predetermined period, X- and Z-axis path table interpolators read command positions from the path tables Tx, Tz based on the reference position, and obtain command motion amounts by interpolation. X- and Z-axis tool interpolators read compensation amounts from the tool compensation table Tt based on the reference position, and obtain compensation motion amounts by interpolation. Adders add up the command motion amounts and the respective compensation motion amounts to drive respective motors. The tool compensation amounts are gradually varied, whereby mechanical shock does not occur.
    • 一种数控机床,能够根据表格数据,在机床运行时减轻刀具补偿引起的机械冲击。 X轴和Z轴路径表Tx,Tz存储对应于参考位置(时间或主轴位置)的X轴和Z轴位置。 刀具补偿表Tt存储与相应参考位置相关联的X轴和Z轴补偿量(刀具补偿号)。 在每个预定时段,X轴和Z轴路径表插值器基于参考位置从路径表Tx,Tz读取命令位置,并通过插值获得指令运动量。 X轴和Z轴刀具内插器根据参考位置读取刀具补偿表Tt的补偿量,并通过插补获得补偿运动量。 加法器将命令运动量和相应的补偿运动量相加以驱动相应的电机。 刀具补偿量逐渐变化,从而不会发生机械冲击。
    • 12. 发明申请
    • Numerical control method
    • 数控方法
    • US20070185609A1
    • 2007-08-09
    • US11703224
    • 2007-02-07
    • Takahiko EndoTooru WantanabeYasushi Takeuchi
    • Takahiko EndoTooru WantanabeYasushi Takeuchi
    • G06F19/00
    • G05B19/4103
    • An axis position is commanded according to data stored in a memory table where the axis position is stored in association with a reference value consisting of time or spindle position. For commanding the shape of a circular arc, a start and end points, a center position, and a radius of the circular arc and designation of sine or cosine are set in advance in the memory table. Then, a movement command for connecting the start point and the end point with the circular arc is output to each of axes, using a trigonometric function defined by the center position of the circular arc, the radius of the circular arc and the designation of sine or cosine, which have been set.
    • 根据存储在与由时间或主轴位置组成的参考值相关联的轴位置存储的存储表中的数据来命令轴位置。 为了指示圆弧的形状,预先在存储表中设置圆弧的起点和终点,中心位置和圆弧的半径以及正弦或余弦的指定。 然后,使用由圆弧的中心位置,圆弧的半径和正弦的指定定义的三角函数将用于将起点和终点与圆弧连接的移动指令输出到每个轴 或余弦,已设定。
    • 16. 发明申请
    • Numerical controller
    • 数控机
    • US20050265800A1
    • 2005-12-01
    • US10954193
    • 2004-10-01
    • Takahiko EndoKouji Yamamuro
    • Takahiko EndoKouji Yamamuro
    • B23Q15/00B23F23/00B23F23/12G05B19/18B23F1/00
    • G05B19/186B23F23/006G05B2219/37343G05B2219/45214G05B2219/49255Y10T409/100159
    • A numerical controller capable of reducing machining time in synchronization control machining. A workpiece already rough-machined into a shape of a gear and a tool are rotated in synchronism. Proximity limit distance Lt ensuring that the workpiece and the tool do not interfere with each other, approach amount Ap required to bring the workpiece and the tool into a positional relationship for performing normal gear machining (condition in which the workpiece engages with the tool), and phase shift amount corresponding to the depth of cut are given as commands. In parallel with approach motion, phase adjustment motion for making the workpiece face a tooth space of the tool is performed. When the approach motion progresses by the proximity limit distance Lt, if the phase adjustment is completed, the approach motion is continued without interruption. If not, the approach motion is interrupted, and resumed after the phase adjustment is completed. After the approach motion is completed, phase shift is performed to give a cut, and machining is performed. When cutting loads become a certain value or smaller, it is determined that the machining is completed. Since the approach motion and the phase adjustment are performed concurrently and completion of machining is automatically determined, the machining time can be reduced.
    • 一种能够减少同步控制加工中的加工时间的数值控制器。 已经粗加工成齿轮和工具的工件的工件同步旋转。 接近极限距离Lt确保工件和工具彼此不干涉,使工件和工具进入正常齿轮加工(工件与工具接合的状态)所需的位置关系所需的接近量Ap, 并且相应于切割深度的相移量作为命令给出。 与进场运动并行,执行用于使工件面对工具的牙齿空间的相位调整运动。 当接近运动进行接近极限距离Lt时,如果相位调整完成​​,则连续运动不间断地继续。 如果没有,则进场运动中断,并在相位调整完成​​后恢复运行。 进场动作结束后,进行相移切断,进行加工。 当切削负载变为一定值或更小时,确定加工完成。 由于进行运动和相位调整同时进行,并且自动确定加工完成,因此可以减少加工时间。
    • 20. 发明申请
    • Numerical controller with function of decelerating reference variable in path table operation
    • 具有减速参考变量功能的数字控制器
    • US20080269915A1
    • 2008-10-30
    • US12081868
    • 2008-04-22
    • Takahiko EndoYasushi Takeuchi
    • Takahiko EndoYasushi Takeuchi
    • G05B11/01
    • G05B19/416
    • A numerical controller capable of avoiding a shock to a machine by a controlled axis when a command of an alarm, a reset or a feed hold is issued in a path table operation. The numerical controller performs the path table operation where position of a controlled axis of a machine is controlled in synchronism with an input value of a reference variable indicative of time, a position of an axis or a position of a spindle according to a data table that stores command positions of the controlled axis respective for set values of the reference variable. The numerical controller comprises deceleration/stop command receiving means that receives a command to decelerate and stop the controlled axis in the path table operation; and decelerating means that gradually reduces a rate of increase of the reference variable to zero so that the controlled axis is decelerated and stopped in response to the deceleration/stop command.
    • 一种数字控制器,当在路径表操作中发出报警,复位或进给保持的命令时,能够通过受控轴避免对机器的冲击。 数值控制器执行路径表操作,其中机器的受控轴的位置与指示时间的参考变量的输入值,轴的位置或主轴的位置根据数据表同步地控制, 将控制轴的指令位置存储在参考变量的设定值上。 数字控制器包括减速/停止指令接收装置,其接收在路径表操作中减速并停止受控轴的命令; 以及减速装置,其将参考变量的增加率逐渐降低到零,使得受控轴根据减速/停止命令减速停止。