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    • 1. 发明授权
    • Data processing system for multi-precision arithmetic
    • 数据处理系统用于多精度算术
    • US4449196A
    • 1984-05-15
    • US193028
    • 1980-10-02
    • Eric K. Pritchard
    • Eric K. Pritchard
    • G05B19/42G06F7/50
    • G05B19/42G05B2219/33337G05B2219/33342G05B2219/34002G05B2219/34149G05B2219/34157G05B2219/34164G05B2219/34167G05B2219/34179G05B2219/35369G05B2219/35436G05B2219/41326G05B2219/41408G05B2219/43006G05B2219/45176
    • A numerically controlled machine includes a first computer which stores command data for a path and derives sets of interpolation point data from said command data for a plurality of points along the path. A second computer stores two sets of interpolation point data from said first computer and extrapolates a set of said stored interpolation point data by incrementing velocity with acceleration and position with velocity using a noncircular high order polynomial to produce a sequence of driver command signals.A timing means provides timing signals to the second computer to determine the number and rate of iterations of drive command signals in said sequence as predetermined by the first computer for each set of interpolation point data.The program execution time in the second computer is reduced by a unique method of multiprecision calculation which requires a carry flip flop for each variable calculated and a sign flip flop for eliminated word segments. The memory address decoding for the two sets of interpolation point data are interchanged after each sequence invisibly to the computers. An index register causes data memory address decoding for a plurality of motor drivers invisible to the computers and selects an output to the appropriate motor driver. The second computer includes a manual mode program to calculate the sequence of driver command signals using a manually induced velocity vector. A phased locked loop in the timing means controllably reduces the iteration rate to zero in response to an error signal.
    • 数控机器包括第一计算机,其存储用于路径的命令数据,并且根据来自所述路径的多个点的所述命令数据导出插值点数据集合。 第二计算机存储来自所述第一计算机的两组内插点数据,并且通过使用非圆形高阶多项式使用加速度和位置速度递增速度来外推一组所述存储的插值点数据,以产生一系列驱动器命令信号。 定时装置向第二计算机提供定时信号,以确定由第一计算机为每组内插点数据预定的所述序列中的驱动命令信号的迭代次数和速率。 第二台计算机中的程序执行时间通过一种独特的多精度计算方法来减少,该方法需要为每个计算的变量执行一个进位触发器和一个用于消除的字段的符号触发器。 用于两组内插点数据的存储器地址解码在每个序列之后被不可见地交换到计算机。 索引寄存器对计算机不可见的多个电动机驱动器进行数据存储器地址解码,并选择到适当的电动机驱动器的输出。 第二台计算机包括一个手动模式程序,用手动感应的速度矢量来计算驾驶员指令信号的顺序。 定时装置中的相位锁定环可以根据误差信号可控地将迭代速率降低到零。
    • 2. 发明授权
    • Control of CNC machine tools
    • 数控机床控制
    • US5471395A
    • 1995-11-28
    • US157091
    • 1993-12-03
    • Glenn C. Brien
    • Glenn C. Brien
    • G05B19/4068G05B19/408G05B19/41G05B19/4103G06F19/00
    • G05B19/4103G05B19/4068G05B19/4086G05B2219/33131G05B2219/34164G05B2219/35373G05B2219/35459G05B2219/43158G05B2219/50157G05B2219/50208
    • A multi-axis computer numerically controlled (CNC) machine tool is provided in which a cutting tool (7) is movable relative to a workpiece (6) by means of a number of linear and rotary joints (J.sup.1 to J.sup.3) under the control of a programmable control unit (1). The machine is programmed with a plurality of principal programmable axes, called "hard" axes (X, Z and B), and with at least one synthesized additional programmable axis or "soft" axis (V) which enables the cutting tool (7) to be moved linearly in the direction of the soft axis (V) without requiring a specific joint for that purpose. The synthesized "soft" axis is a non-collinear, partially redundant axis which increases the number of programmable degrees of freedom to a greater number than the machine degrees of freedom ie: the number of non-collinear joints. The principle of synthesizing "soft" axes may be extended to CNC machine tools having four or more principal hard axes, for instance, to produce a 5-joint CNC machine tool which has the flexibility of a conventional 7- or 8-joint machine tool.
    • PCT No.PCT / AU92 / 00260 Sec。 371日期1993年12月3日第 102(e)日期1993年12月3日PCT提交1992年6月4日PCT公布。 出版物WO92 / 22024 日期为1992年12月10日。提供了一种多轴计算机数控机床,其中切割工具(7)可通过多个线性和旋转接头(J1)相对于工件(6)移动 到J3)在可编程控制单元(1)的控制下。 该机器被编程为多个主要可编程轴,称为“硬”轴(X,Z和B),以及至少一个合成的附加可编程轴或“软”轴(V),使得切削工具(7) 在软轴(V)的方向上线性移动,而不需要用于该目的的特定接头。 合成的“软”轴是非共线的,部分冗余的轴,其将可编程自由度的数量增加到比机器自由度更大的数量,即:非共线接头的数量。 合成“软”轴的原理可以扩展到具有四个或更多个主要硬轴的数控机床,例如生产五联数控机床,其具有常规的7或8关节机床的灵活性 。
    • 3. 发明授权
    • Multi-axis contouring control system
    • 多轴轮廓控制系统
    • US4262336A
    • 1981-04-14
    • US34102
    • 1979-04-27
    • Eric K. Pritchard
    • Eric K. Pritchard
    • G05B19/414G05B19/42G05B19/417G05B19/40G05B19/403
    • G05B19/42G05B19/4141G05B2219/33337G05B2219/33342G05B2219/34002G05B2219/34149G05B2219/34157G05B2219/34164G05B2219/34167G05B2219/34179G05B2219/35369G05B2219/35436G05B2219/41326G05B2219/41408G05B2219/43006G05B2219/45176
    • In a numerically controlled machine includes a first computer which stores command data for a path and derives sets of interpolation point data from said command data for a plurality of points along the path. A second computer stores two sets of interpolation point data from said first computer and extrapolates a set of said stored interpolation point data by incrementing velocity with acceleration and position with velocity using a noncircular high order polynomial to produce a sequence of driver command signals.A timing means provides timing signals to the second computer to determine the number and rate of iterations of drive command signals in said sequence as predetermined by the first computer for each set of interpolation point data.The program execution time in the second computer is reduced by a unique method of multiprecision calculation which requires a carry flip flop for each variable calculated and a sign flip flop for eliminated word segments. The memory address decoding for the two sets of interpolation print data are interchanged after each sequence invisibly to the computers. An index register causes data memory address decoding for a plurality of motor drivers invisible to the computers and selects an output to the appropriate motor driver. The second computer includes a manual mode program to calculate the sequence of driver command signals using a manually induced velocity vector. A phased locked loop in the timing means controllably reduces the iteration rate to zero in response to an error signal.
    • 在数控机器中包括第一计算机,其存储用于路径的命令数据,并根据来自所述路径的多个点的所述命令数据导出插值点数据集。 第二计算机存储来自所述第一计算机的两组内插点数据,并且通过使用非圆形高阶多项式使用加速度和位置速度递增速度来外推一组所述存储的插值点数据,以产生一系列驱动器命令信号。 定时装置向第二计算机提供定时信号,以确定由第一计算机为每组内插点数据预定的所述序列中的驱动命令信号的迭代次数和速率。 第二台计算机中的程序执行时间通过一种独特的多精度计算方法来减少,该方法需要为每个计算的变量执行一个进位触发器和一个用于消除的字段的符号触发器。 用于两组插值打印数据的存储器地址解码在每个序列之后被不可见地交换到计算机。 索引寄存器对计算机不可见的多个电动机驱动器进行数据存储器地址解码,并选择到适当的电动机驱动器的输出。 第二台计算机包括一个手动模式程序,用手动感应的速度矢量来计算驾驶员指令信号的顺序。 定时装置中的相位锁定环可以根据误差信号可控地将迭代速率降低到零。
    • 4. 发明授权
    • Computer numerically controlled machines
    • 计算机数控机床
    • US5682319A
    • 1997-10-28
    • US563410
    • 1995-11-28
    • Patrick Gerard BolandGlenn Charles Brien
    • Patrick Gerard BolandGlenn Charles Brien
    • G05B19/4068G05B19/4103G06F19/00
    • G05B19/4068G05B19/4103G05B2219/33131G05B2219/34164G05B2219/35373G05B2219/35459G05B2219/43158G05B2219/50157G05B2219/50208
    • A computer numerically controlled (CNC) machine tool is provided in which a cutting tool is movable along a programmed path determined by a part program in a programmable control unit (PCU). A trajectory interpolator receives high level motion commands and a feedrate specification from the PCU to produce interpolated position commands. A position controller controls movement of the cutting tool in response to the interpolated position commands. The machine tool further includes a handwheel and a manual pulse generator (MPG) which can be used in MPG feed mode to control movement of the cutting tool incrementally along the programmed path in either the forward or reverse direction. In MPG feed mode, an MPG feed specification from an MPG position counter is superimposed onto the feedrate specification in the trajectory interpolator. MPG feed mode can be used advantageously during part program tryout, or during a cutting operation to retrace along the programmed path, to extract the cutting tool from the workpiece if the tool jams or breaks.
    • 提供了一种计算机数控(CNC)机床,其中切割工具可沿着由可编程控制单元(PCU)中的零件程序确定的编程路径移动。 轨迹插补器从PCU接收高电平运动命令和进给速度指令以产生内插位置命令。 位置控制器响应于内插位置命令控制切割工具的移动。 机床还包括一个手轮和一个手动脉冲发生器(MPG),可以用于MPG进给模式,以沿着编程的路径向前或向后递增地控制切削刀具的移动。 在MPG进给模式中,来自MPG位置计数器的MPG进给规格被叠加到轨迹插补器中的进给速度规格上。 MPG进给模式可以在零件程序试运行期间或在沿编程路径回切的切割操作期间有利地使用,如果工具卡住或断裂,则从工件中提取切削工具。
    • 5. 发明授权
    • Control of CNC machine tools
    • 数控机床控制
    • US5604677A
    • 1997-02-18
    • US481950
    • 1995-06-07
    • Glenn C. Brien
    • Glenn C. Brien
    • G05B19/4068G05B19/408G05B19/41G05B19/4103G06F19/00
    • G05B19/4103G05B19/4068G05B19/4086G05B2219/33131G05B2219/34164G05B2219/35373G05B2219/35459G05B2219/43158G05B2219/50157G05B2219/50208
    • A multi-axis computer numerically controlled machine tool is provided in which a cutting tool is movable relative to a workpiece by a number of linear and rotary joints under the control of a programmable control unit. The machine is programmed with a plurality of principal programmable axes, called "hard" axes, and with at least one synthesised additional programmable axis or "soft" axis which enables the cutting tool to be moved linearly in the direction of the soft axis without requiring a specific joint for that purpose. The synthesised "soft" axis is a non-collinear, partially redundant axis which increases the number of programmable degrees of freedom to a greater number than the machine degrees of freedom, i.e., the number of non-collinear joints. The principle of synthesising "soft" axes may be extended to CNC machine tools having four or more principal hard axes, for instance, to produce a 5-joint CNC machine tool which has the flexibility of a conventional 7- or 8-joint machine tool.
    • 提供了一种多轴计算机数控机床,其中切割工具可在可编程控制单元的控制下通过多个线性和旋转接头相对于工件移动。 该机器被编程为多个主要可编程轴,称为“硬”轴,并具有至少一个合成的附加可编程轴或“软”轴,使得切削工具能够在软轴方向上线性移动,而不需要 为此目的的具体联合。 合成的“软”轴是非共线的,部分冗余的轴,其将可编程自由度的数量增加到比机器自由度更大的数量,即非共线接头的数量。 合成“软”轴的原理可以扩展到具有四个或更多个主要硬轴的数控机床,例如,生产出具有常规7或8关节机床的柔性的5关节数控机床 。
    • 8. 发明申请
    • IMPROVED CONTROL OF CNC MACHINE TOOLS
    • 数控机床工具改进控制
    • WO1992022024A1
    • 1992-12-10
    • PCT/AU1992000260
    • 1992-06-04
    • ANCA PTY. LTD.BRIEN, Glenn, Charles
    • ANCA PTY. LTD.
    • G05B19/41
    • G05B19/4103G05B19/4068G05B19/4086G05B2219/33131G05B2219/34164G05B2219/35373G05B2219/35459G05B2219/43158G05B2219/50157G05B2219/50208
    • A multi-axis computer numerically controlled (CNC) machine tool is provided in which a cutting tool (7) is movable relative to a workpiece (6) by means of a number of linear and rotary joints (J to J ) under the control of a programmable control unit (1). The machine is programmed with a plurality of principal programmable axes, called "hard" axes (X, Z and B), and with at least one synthesized additional programmable axis or "soft" axis (V) which enables the cutting tool (7) to be moved linearly in the direction of the soft axis (V) without requiring a specific joint for that purpose. The synthesized "soft" axis is a non-collinear, partially redundant axis which increases the number of programmable degrees of freedom to a greater number than the machine degrees of freedom i.e.: the number of non-collinear joints. The principle of synthesizing "soft" axes may be extended to CNC machine tools having four or more principal hard axes, for instance, to produce a 5-joint CNC machine tool which has the flexibility of a conventional 7- or 8-joint machine tool.
    • 提供了一种多轴计算机数控机床,其中切割工具(7)可通过多个线性和旋转接头(J 1至J 3)相对于工件(6)移动 >)在可编程控制单元(1)的控制下。 该机器被编程为多个主要可编程轴,称为“硬”轴(X,Z和B),以及至少一个合成的附加可编程轴或“软”轴(V),使得切削工具(7) 在软轴(V)的方向上线性移动,而不需要用于该目的的特定接头。 合成的“软”轴是非共线的,部分冗余的轴,其将可编程自由度的数量增加到比机器自由度更大的数量,即:非共线关节的数量。 合成“软”轴的原理可以扩展到具有四个或更多个主要硬轴的数控机床,例如生产五联数控机床,其具有常规的7或8关节机床的灵活性 。
    • 9. 发明申请
    • IMPROVEMENTS IN OR RELATING TO COMPUTER NUMERICALLY CONTROLLED MACHINES
    • 改进或涉及计算机数字控制机器
    • WO1992022023A1
    • 1992-12-10
    • PCT/AU1992000259
    • 1992-06-04
    • ANCA PTY. LTD.BOLAND, Patrick, GerardBRIEN, Glenn, Charles
    • ANCA PTY. LTD.
    • G05B19/405
    • G05B19/4103G05B19/4068G05B19/4086G05B2219/33131G05B2219/34164G05B2219/35373G05B2219/35459G05B2219/43158G05B2219/50157G05B2219/50208
    • A computer numerically controlled (CNC) machine tool is provided in which a cutting tool (5) is movable along a programmed path determined by a part program in a programmable control unit (PCU) (1). A trajectory interpolator (3) receives high level motion commands and a feedrate specification from the PCU (1) to produce interpolated position commands and a position controller (4) controls movement of the cutting tool (5) in response to the interpolated position commands. The machine tool further includes a handwheel (6), a manual pulse generator (MPG) (7) which can be used in MPG feed mode to control movement of the cutting tool incrementally along the programmed path in either the forward or reverse directions. In MPG feed mode, an MPG feed specification from an MPG position counter (8) is superimposed onto the feedrate specification in the trajectory interpolator. MPG feed mode can be used advantageously during part program tryout or during a cutting operation to retrace along the programmed path, e.g. to extract the cutting tool (5) from the workpiece if the tool (5) jams or breaks.
    • 提供了一种计算机数控(CNC)机床,其中切割工具(5)可沿着由可编程控制单元(PCU)(1)中的零件程序确定的编程路径移动。 轨迹插补器(3)从PCU(1)接收高电平运动命令和进给速度指令以产生内插位置命令,而位置控制器(4)响应于内插位置命令控制切割工具(5)的运动。 机床还包括手轮(6),手动脉冲发生器(MPG)(7),其可以以MPG馈送模式使用,以沿着编程的路径沿正向或反向方向递增地控制切削工具的移动。 在MPG进给模式中,来自MPG位置计数器(8)的MPG进给规格被叠加到轨迹内插器中的进给速度规格上。 在部件程序试运行期间或在切割操作期间可以有利地使用MPG进给模式,以沿着编程的路径回溯,例如, 如果工具(5)卡住或断裂,从工件中提取切割工具(5)。