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    • 1. 发明授权
    • Complete round working method and complete round working device in NC machine tool
    • 全套圆工作方式,数控机床圆工作装置齐全
    • US08473092B2
    • 2013-06-25
    • US11659424
    • 2005-08-05
    • Shinsuke SugataKunihiko Murakami
    • Shinsuke SugataKunihiko Murakami
    • G06F19/00G01B5/08G01B7/12G01B11/08C01B13/08G01B21/10
    • G05B19/404G05B2219/41113
    • A working route of a main shaft is divided into a plurality of measurement points, and a length from a center of a complete round to the working route of the main shaft at each of the measurement points is measured, and this measured value is compared with a radial length of the complete round to operate a deviation amount from the complete round at each of the measurement points. This deviation amount is utilized to find a transferred position. As correction values for correcting the deviation value, an X-axis incremental amount and a Y-axis incremental amount obtained from a difference in the transferred position between the respective measurement points, or an X-axis absolute value and a Y-axis absolute value of the transferred position at each of the measurement points are incorporated into an NC working program to perform complete round working according to the program.
    • 主轴的工作路线被分成多个测量点,并且测量在每个测量点处从整个圆的中心到主轴的工作路线的长度,并将该测量值与 完整轮的径向长度以在每个测量点处操作与完整轮的偏差量。 该偏移量用于找到转移位置。 作为用于校正偏差值的校正值,从各测量点之间的转印位置的差异获得的X轴增量量和Y轴增量量,或X轴绝对值和Y轴绝对值 在每个测量点处的转印位置被合并到NC工作程序中,以根据程序执行完整的圆形工作。
    • 2. 发明申请
    • Complete Round Working Method and Complete Round Working Device in Nc Machine Tool
    • 完整的圆工作方法和完整的圆工作装置在Nc机床
    • US20080312868A1
    • 2008-12-18
    • US11659424
    • 2005-08-05
    • Shinsuke SugataKunihiko Murakami
    • Shinsuke SugataKunihiko Murakami
    • B23Q15/04B23Q17/20
    • G05B19/404G05B2219/41113
    • A working route (21) of a main shaft is divided into a plurality of measurement points, and a length from a center (24) of a complete round (20) to the working route (21) of the main shaft at each of the measurement points is measured, and this measured value is compared with a radial length of the complete round (20) to operate a deviation amount (D1, D2) from the complete round (20) at each of the measurement points. This deviation amount (D1, D2) is transferred symmetrically about the complete round in a radial direction of the complete round (20) to find a transferred position (28, 28A). As correction values for correcting the deviation value (D1, D2), an X-axis incremental amount and a Y-axis incremental amount obtained from a difference in the transferred position between the respective measurement points, or an X-axis absolute value and a Y-axis absolute value of the transferred position at each of the measurement points are incorporated into an NC working program to perform complete round working according to the program.
    • 主轴的工作路线(21)被分成多个测量点,并且从每个的主轴的整个圆(20)的中心(24)到主轴的工作路线(21)的长度被分成多个 测量点,并将该测量值与完整圆(20)的径向长度进行比较,以在每个测量点处与完整圆(20)操作偏差量(D1,D2)。 该偏差量(D1,D2)围绕完整圆(20)的径向方向的完整圆对称地转移,以找到转移位置(28,28A)。 作为用于校正偏差值(D1,D2)的校正值,从各测量点之间的转印位置的差异获得的X轴增量量和Y轴增量量,或X轴绝对值和 将每个测量点的传送位置的Y轴绝对值合并到NC工作程序中,以根据程序执行完整的循环工作。
    • 4. 发明授权
    • Involute interpolation speed control system
    • 相关插值速度控制系统
    • US5216344A
    • 1993-06-01
    • US571644
    • 1990-09-04
    • Takao SasakiKunihiko MurakamiMasafumi Sano
    • Takao SasakiKunihiko MurakamiMasafumi Sano
    • G05B19/4103G05B19/416
    • G05B19/4103G05B2219/34144G05B2219/43141G05B2219/50336
    • An involute interpolation speed control system for effecting an involute interpolation to which cutter compensation is applied when machining by a numerical control apparatus and the like, comprises a method of outputting commands for a direction in which a first involute curve as an actual machining configuration is rotated, the coordinates of the end point of the first involute curve, the position of the center of a basic circle viewed from a start point of the first involute curve, the radius of the basic circle, a feed speed, a direction in which a cutter is offset, and the radius of the cutter. The offset vector of the cutter is created based on the commands. The calculating the equation of a second involute curve connecting the start point and the end point after the offset vector has been created, is calculated. The radius of curvature of the second involute curve at the center of the cutter is determined. Also, a feed speed override value based on the direction in which the cutter is offset, the offset amount, and the radius of curvature are determined. The second involute curve based on the value obtained by multiplying the feed speed override value by the feed speed is interpolated. Thus, an interpolation is executed such that the cutting speed in a tangential direction of the outer circumference of the cutter by which an actual machining configuration is created is kept at a constant value.
    • PCT No.PCT / JP90 / 00028 Sec。 371 1990年9月4日第 102(e)1990年9月4日PCT PCT 1990年1月10日PCT公布。 出版物WO90 / 08992 日期1990年8月9日。在通过数控装置等进行加工时,用于实现用于刀刃补偿的渐开线插补的渐开线插入速度控制系统包括:输出用于第一渐开线曲线 当实际加工配置旋转时,第一渐开线曲线的终点的坐标,从第一渐开线曲线的起始点观察的基本圆的中心的位置,基本圆的半径,进给速度 ,刀具偏移的方向和刀具的半径。 基于命令创建切割器的偏移矢量。 计算在创建偏移矢量之后连接起始点和终点的第二渐开线曲线的方程式。 确定刀具中心处的第二渐开线曲线的曲率半径。 此外,确定基于切割器偏移的方向的进给速度倍率值,偏移量和曲率半径。 基于通过将进给速度倍率值乘以进给速度而获得的值的第二渐开线曲线被内插。 因此,执行插值,使得在切割器的外周的切线方向上产生实际加工结构的切割速度保持为恒定值。
    • 8. 发明授权
    • Involute interpolation error correction system
    • 相关插值误差校正系统
    • US5103150A
    • 1992-04-07
    • US646717
    • 1991-02-04
    • Takao SasakiToshiaki OtsukiKunihiko MurakamiMasafumi Sano
    • Takao SasakiToshiaki OtsukiKunihiko MurakamiMasafumi Sano
    • G05B19/4103
    • G05B19/4103G05B2219/34144
    • An involute interpolation error correction system for correcting an error attributable to an involute interpolation of a numerical control device or the like. When machining is effected in accordance with a command for an involute curve (In1), a bite is produced in an actual work shape in the vicinity of a basic circle (C). The start point (Ps3) of this bite, the radius (Rs) from the basic circle (C) and an error amount (De) in the normal direction of the bite are obtained from the work shape, and this data is set as parameters in the numerical control device. The numerical control device allows a cutting along the involute curve (In1) up to the point Ps3, and then cuts along an involute curve (In3) having an end point which is deviated from the point Ps3 by the error amount (De) in the normal direction, whereby a bite-free involute curve machining can be effected.
    • PCT No.PCT / JP90 / 00671 Sec。 371日期1991年2月4日 102(e)1991年2月4日PCT PCT 1990年5月23日PCT公布。 公开号WO91 / 00558 日本1991年1月10日。一种用于校正归因于数控装置等的渐开线插补的误差的渐开线插补误差校正系统。 当根据渐开线曲线(In1)的指令进行加工时,在基本圆(C)附近以实际工件形状生产咬合。 从工件形状获得该咬合的起点(Ps3),基准圆(C)的半径(Rs)和咬合方向的误差量(De),将该数据设定为参数 在数控装置中。 数字控制装置允许沿渐开线曲线(In1)切割直到点Ps3,然后沿着渐开线曲线(In3)切割,该渐开线曲线(In3)具有从点Ps3偏离误差量(De)的终点 从而可以实现无切线渐开线曲线加工。
    • 9. 发明授权
    • Method of controlling machining speed on involute interpolation
    • 控制相关插值加工速度的方法
    • US5101147A
    • 1992-03-31
    • US582852
    • 1990-10-17
    • Takao SasakiKunihiko MurakamiMasafumi Sano
    • Takao SasakiKunihiko MurakamiMasafumi Sano
    • G05B19/4103G05B19/41G05B19/416
    • G05B19/41G05B2219/34144G05B2219/43129
    • An involute interpolation speed control method controls a machining speed during a numerical control machining process with involute curve interpolation. A radius of curvature is determined from equations of the involute curve (S3), and whether said radius of curvature is smaller than a predetermined value is then determined (S4). The machining speed is reduced with an override value if the radius of curvature is smaller than the predetermined value (S5, S6, S7). In the vicinity of a base circle for the involute curve, since the radius of curvature is small, any well machined surface would not be produced at a given tangential speed. Therefore, the machining speed is reduced with the override value in the vicinity of the base circle.
    • PCT No.PCT / JP90 / 00233 Sec。 371 1990年10月17日第 102(e)日期1990年10月17日PCT 1990年2月26日提交PCT公布。 WO90 / 10900 PCT出版物 1990年9月20日。渐开线插补速度控制方法用渐开线曲线插补控制数控加工过程中的加工速度。 曲率半径由渐开线曲线(S3)的等式确定,然后确定所述曲率半径是否小于预定值(S4)。 如果曲率半径小于预定值(S5,S6,S7),则加工速度随着倍率值而减小。 在渐开线曲线的基圆附近,由于曲率半径小,所以在给定切向速度下不会产生任何加工良好的表面。 因此,在基圆附近的超驰值减小加工速度。
    • 10. 发明授权
    • Numerical control apparatus
    • 数控装置
    • US5485069A
    • 1996-01-16
    • US318728
    • 1994-10-13
    • Toshiaki OtsukiKunihiko MurakamiYorikazu Fukui
    • Toshiaki OtsukiKunihiko MurakamiYorikazu Fukui
    • B23Q17/20G05B19/18G05B19/19G05B19/408G05B19/4155G05B19/403
    • G05B19/408G05B2219/34095G05B2219/35386G05B2219/36045G05B2219/37302G05B2219/43102
    • A numerical control apparatus which reduces a cycle time by executing the movement command of a next block without temporarily stopping the movement of a workpiece even if a skip signal is input. Upon receiving the skip signal SS output from a sensing device, a skip signal sensing device determines the present position of the workpiece, stores the position in a memory device and outputs a skip completion signal AS. Then, an acceleration/deceleration distribution device carries out pulse interpolation of a present block and outputs a distribution completion signal ES on the completion of the movement. Further, a preprocessing distribution device, having received the skip completion signal AS, determines an amount of movement of a next block from the present position of the workpiece and preprocesses the next block of the machining program. On receiving the distribution completion signal ES output from the acceleration/deceleration distribution device, the preprocessing distribution device outputs an interpolation pulse IP2 and moves the workpiece without interruption.
    • PCT No.PCT / JP94 / 00154 Sec。 371日期:1994年10月13日 102(e)日期1994年10月13日PCT 1994年2月2日PCT公布。 公开号WO94 / 19731 1994年9月1日。一种数值控制装置,即使输入了跳过信号,也可以通过执行下一个程序段的移动指令来减少循环时间,而不会暂时停止工件的移动。 在接收到从感测装置输出的跳跃信号SS时,跳过信号检测装置确定工件的当前位置,将该位置存储在存储装置中并输出跳过完成信号AS。 然后,加速/减速分配装置执行当前块的脉冲插值,并在运动完成时输出分配完成信号ES。 此外,已经接收到跳过完成信号AS的预处理分配装置从工件的当前位置确定下一个块的移动量,并且预处理加工程序的下一个块。 在接收到从加减速分配装置输出的分配完成信号ES时,预处理分配装置输出插补脉冲IP2,并且不间断地移动工件。