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    • 8. 发明授权
    • Tool radius compensation system
    • 刀具半径补偿系统
    • US4572998A
    • 1986-02-25
    • US484254
    • 1983-04-12
    • Ryoichiro NozawaHideaki KawamuraMitsuto Miyata
    • Ryoichiro NozawaHideaki KawamuraMitsuto Miyata
    • G05B19/18G05B19/404G05B19/41
    • G05B19/41G05B2219/35262G05B2219/50289G05B2219/50334G05B2219/50336
    • A system in which the radius of a tool is compensated for in the three-dimensional machining of a workpiece, wherein a tool is offset from a commanded tool path by a distance commensurate with the tool radius. Machining is performed by commanding the contour of the workpiece as a tool path in a prescribed plane sectioning the workpiece, providing the value of the tool radius and the angle of inclination of a machined surface of the workpiece, computing a first tool offset quantity in the prescribed plane and a second tool offset quantity in a direction at right angles to the prescribed plane, based on the radius of the tool and the angle of inclination, compensating for the radius of the tool in the prescribed plane based on the first tool offset quantity, correcting the position of the tool in a direction at right angles to the prescribed plane based on the second tool offset quantity, and machining the workpiece in three dimensions based on the compensated tool radius in the prescribed plane and the corrected tool position in the direction at right angles to the prescribed plane.
    • 一种在工件的三维加工中补偿工具的半径的系统,其中工具从指令的刀具路径偏移与刀具半径相当的距离。 通过将工件的轮廓作为工件路径指定在切割工件的规定平面中,提供工件半径的值和工件的加工表面的倾斜角度来进行加工,计算工件的加工表面的第一刀具偏移量 基于刀具的半径和倾斜角度在与规定平面成直角的方向上的规定平面和第二刀具偏移量,基于第一刀具偏移量补偿工具在规定平面中的半径 基于所述第二刀具偏移量,在与所述规定平面成直角的方向上修正所述刀具的位置,并且基于所述规定平面中的补偿刀具半径和所述矫正刀具位置在所述方向上对所述工件进行三维加工 与规定的平面成直角。
    • 10. 发明授权
    • Numerical control system
    • 数控系统
    • US4503373A
    • 1985-03-05
    • US394915
    • 1982-06-18
    • Ryoichiro NozawaTsuyoshi NagamineHideaki KawamuraToshiaki Ohtsuki
    • Ryoichiro NozawaTsuyoshi NagamineHideaki KawamuraToshiaki Ohtsuki
    • G05B19/18G05B19/404G05B19/41G05B19/25
    • G05B19/41G05B2219/35459G05B2219/49243G05B2219/50297G05B2219/50336G05B2219/50356
    • Ordinarily, an interpolator (102) executes pulse calculations on the basis of a movement command from a command tape (101), to generate the respective distributed pulses XP, YP, ZP, BP and CP of cartesian coordinate axes and spherical coordinate axes, and these pulses drive corresponding servomotors (113)-(117) through servo circuits (108)-(112). In order to keep the relative position between the nose of a tool and a workpiece unchanged in a manual operation, a tool holder is positioned in the cartesian coordinate system, whereupon manual pulses in the B-axial or C-axial direction are generated by a manual pulse generator (103). Then, the distributed pulses BP and CP are generated through the interpolator (102) and rotate the servomotors (116) and (117). The distributed pulses are simultaneously impressed on a compensation circuit (104), which calculates the compensation pulses XHP, YHP and ZHP so as to drive the servomotors with pulses obtained by adding the compensation pulses to the distributed pulses.
    • PCT No.PCT / JP81 / 00314 Sec。 371日期1982年6月18日 102(e)日期1982年6月18日PCT提交1981年10月29日PCT公布。 出版物WO82 / 01600 日期为1982年5月13日。通常,内插器(102)根据来自命令带(101)的移动指令执行脉冲计算,以生成笛卡尔坐标轴的各自的分布脉冲XP,YP,ZP,BP和CP 和球面坐标轴,这些脉冲通过伺服电路(108) - (112)驱动相应的伺服电动机(113) - (117)。 为了在手动操作中保持工具的鼻子与工件的相对位置不变,工具架位于笛卡尔坐标系中,于是B轴或C轴方向上的手动脉冲由 手动脉冲发生器(103)。 然后,通过内插器(102)产生分布脉冲BP和CP,并使伺服电动机(116)和(117)旋转。 分布式脉冲同时施加在补偿电路(104)上,补偿电路(104)计算补偿脉冲XHP,YHP和ZHP,以便通过将补偿脉冲加到分布式脉冲而获得的脉冲来驱动伺服电动机。