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    • 61. 发明专利
    • Numerical control system
    • 数控系统
    • JPS5769314A
    • 1982-04-28
    • JP14260580
    • 1980-10-13
    • Fanuc Ltd
    • INABA HAJIMESAKAKIBARA SHINSUKE
    • G05B19/4103B25J9/18G05B15/00G05B19/18G05B19/41G05B19/415
    • G05B19/4103G05B19/41G05B2219/36045G05B2219/36512G05B2219/39002G05B2219/45083
    • PURPOSE: To realize a shift along a straight line for the mobile part of a machine incliduing a rotary sahft, by dividing a stragiht line connecting the initiation and termination points into plural sections and then shifting a prescribed point along the straight line after giving the linear interpolation to each section.
      CONSTITUTION: A straight line Ln connecting the initiation point Ps and termination point Pe is divided into plural sections while a mobile part is shifted from the point Ps to the point Pe. Then the axis position data is produced at each of divided points Q
      1 , Q
      2 , Q
      3 , .... At the same time, the linear interpolation is carried out for each section with use of each axis position data, and a prescribed point is shifted approximately along the line Ln. In other words, the position data of a division point Q
      1+1 is decided and produced so as to satisfy the next position Q
      1+1 =v.t while the mobile part is shifted from a division point Q
      1-1 to a point Q
      1 by the linear interpolation. Here, the time (t) is a certain period of time that satisfies t
      0 1+1 is set at t
      0 , and v is the linear speed.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过将连接起始点和终止点的分段线分成多个部分,然后在给出线性之后沿着直线移动规定点,实现沿着直线移动一个包含旋转锯齿的机器的移动部分的移动 插补到每个部分。 构成:将起点Ps和终点Pe连接起来的直线Ln分割为多个部分,同时移动部分从点Ps移动到点Pe。 然后在每个分割点Q1,Q2,Q3,...处产生轴位置数据。同时,使用每个轴位置数据对每个部分进行线性内插,并且规定点被移位 大致沿线Ln。 换句话说,决定并产生分割点Q1 + 1的位置数据,以便当移动部分从分割点Q1-1移动到点Q1时,满足下一个位置Q1 + 1 = vt线性 插值。 这里,当在点Q1 + 1处产生位置数据所需的时间设定为t0时,时间(t)为满足t0
    • 69. 发明专利
    • Numerical controller
    • 数控系统
    • JP2013030101A
    • 2013-02-07
    • JP2011167229
    • 2011-07-29
    • Shin Nippon Koki Co Ltd新日本工機株式会社
    • NISHIBASHI NOBUTAKA
    • G05B19/4103G05B19/18
    • G05B19/41G05B19/4103G05B2219/40247G05B2219/49284
    • PROBLEM TO BE SOLVED: To implement simultaneous control of a transportation device for all of a plurality of transportation shafts including a non-fixed shaft and machining of a work at high speed and with high machining accuracy in a machine tool which has the plurality of transportation shafts and in which an acceleration property of the transportation device for any transportation shaft is extremely adverse.SOLUTION: A numerical controller 2 comprises: a tool path interpolation section 15 which smoothly interpolates a tool path; a transportation shaft path interpolation section 16 which performs interpolation so as to reduce a secondary differentiation value according to a parameter after smooth interpolation of a W shaft path; a parameter time function derivation section 18 which determines a parameter time function; and a pulse interpolation section 22 which uses the parameter time function to determine coordinates of the interpolated tool path at each time point at an interval of a reference unit time and W shaft coordinates of an interpolated W shaft path at each time point, determines coordinates on each transportation shaft corresponding to the coordinates of the interpolated tool path at each time point with the W shaft coordinates as a restriction condition, and determines a command pulse indicating a transportation amount for each transportation shaft from the position coordinates.
    • 解决的问题:为了实现对包括非固定轴的所有多个输送轴的运输装置的同时控制以及在机床上以高速和高加工精度加工工件的同时控制,该机床具有 多个输送轴,其中对于任何运输轴的运输装置的加速性极其不利。 解决方案:数值控制器2包括:平滑内插刀具路径的刀具路径插补部分15; 输送轴路径插补部16,其进行插补,以便根据W轴路径的平滑插补之后的参数来减小二次微分值; 确定参数时间函数的参数时间函数导出部18; 以及脉冲插值部22,其使用参数时间函数来确定在每个时间点以每个时间点的参考单位时间的间隔和插入的W轴路径的W轴坐标在每个时间点的内插刀具路径的坐标,确定每个时间点上的坐标, 每个运输轴对应于在W轴坐标作为限制条件的每个时间点的内插刀具路径的坐标,并且从位置坐标确定指示每个运输轴的运输量的指令脉冲。 版权所有(C)2013,JPO&INPIT