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    • 41. 发明授权
    • NC data editing method using transformation matrix and conversion command
    • NC数据编辑方法采用转换矩阵和转换命令
    • US5297023A
    • 1994-03-22
    • US646736
    • 1991-01-29
    • Masaki SekiTakashi TakegaharaTakeshi Arakaki
    • Masaki SekiTakashi TakegaharaTakeshi Arakaki
    • G05B19/4093G05B19/42G06F15/46
    • G05B19/40931Y02P90/265
    • An NC data editing method speedily and accurately edits NC data, e.g., for modification of the movement path of a controlled object. When three positional conversion command blocks are successively read from original data in a data conversion process following a data modification process, a position transformation matrix is calculated based on coordinate value data for three sets of reference points and corresponding points in the blocks (S211). For a mirror conversion command block, a mirror transformation matrix is calculated based on coordinate value data for two points stated in the block (215). An up-to-date composite transformation matrix is obtained by multiplying a previous composite transformation matrix by a now calculated transformation matrix (S213). Each time a movement command block is read, post-positional-conversion or post-mirror-conversion command point data is obtained by multiplying movement command point data in each block by the up-to-date composite transformation matrix (S217). When a conversion command cancellation block is read, a new composite transformation matrix is obtained by multiplying the up-to-date composite transformation matrix by an inverse matrix of the most recent transformation matrix (S218), so that only the conversion process associated with the most recent transformation matrix is canceled. After all the data blocks are converted, tool paths are drawn based on the converted data for an operator's inspection. NC data editing ends when a desired tool path is obtained and approved by the operator.
    • PCT No.PCT / JP90 / 00745 Sec。 371 1991年1月29日第 102(e)1991年1月29日PCT PCT 1990年7月7日PCT公布。 WO90 / 15373 PCT出版物 日期1990年12月13日。NC数据编辑方法快速准确地编辑NC数据,例如用于修改受控对象的移动路径。 当在数据修改处理之后的数据转换处理中,从原始数据连续读取三个位置转换命令块时,基于块中的三组参考点和对应点的坐标值数据计算位置变换矩阵(S211)。 对于镜像转换命令块,基于块(215)中指出的两个点的坐标值数据计算镜像变换矩阵。 通过将先前的复合变换矩阵乘以现在计算的变换矩阵来获得最新的复合变换矩阵(S213)。 每次读取移动命令块时,通过将每个块中的移动命令点数据乘以最新的复合变换矩阵(S217)来获得后置转换或后镜像转换命令点数据。 当读取转换命令消除块时,通过将最新复合变换矩阵乘以最新变换矩阵的逆矩阵来获得新的复合变换矩阵(S218),使得只有与 最近的转换矩阵被取消。 在所有数据块被转换之后,根据转换的数据绘制刀具路径以供操作员检查。 当获得所需的刀具路径并由操作者批准时,NC数据编辑结束。
    • 42. 发明授权
    • Automatic editing method for polyhedron machining processes
    • 多面体加工工艺的自动编辑方法
    • US5283750A
    • 1994-02-01
    • US807822
    • 1992-01-23
    • Masaki SekiTakashi TakegaharaToru MatunakaShizuaki Hayanagi
    • Masaki SekiTakashi TakegaharaToru MatunakaShizuaki Hayanagi
    • B23Q15/00G05B19/4093G06F15/46
    • G05B19/40937G05B2219/36357G05B2219/36365G05B2219/45236Y02P90/265Y10T483/10Y10T483/12
    • To embody a method for automatically editing multi-faced polyhedron machining processes in a manner capable of efficiently operating a machine tool, a processor of an automatic programming apparatus causes a first one of definition statements associated with upper face machining to be transferred from a first file of a memory device of the programming apparatus to a second file and to be deleted from the first file (S13), and sequentially performs transfer of upper face machining process definition statements, specifying the same tool number as that specified by the first one of the upper face machining process definition statements, to the second file, and deletion of these statements from the first file. Similar processing is sequentially performed for each of different tool numbers, whereby the upper face machining process definition statements for each tool number are collectively stored in the second file. Similarly, side face machining process definition statements for each tool number are collectively stored in the second file in a manner separated from the upper face machining definition statements (S20-S25). As a result, a part program is edited in a manner reducing the number of times of shift between the upper face machining and the side face machining, to thereby make it possible to prepare a program capable of efficiently operating a machine tool of a type inevitably entailing tool exchange attributable to the shift between the upper face machining and the side face machining.
    • PCT No.PCT / JP91 / 00662 Sec。 371日期1992年1月23日 102(e)日期1992年1月23日PCT提交1991年5月17日PCT公布。 公开号WO91 / 19238 日期1991年12月12日。为了实现以能够有效地操作机床的方式自动编辑多面多面体加工工艺的方法,自动编程设备的处理器引起与上表面加工相关联的定义语句中的第一个 从编程装置的存储装置的第一文件传送到第二文件并从第一文件中删除(S13),并顺序地执行上表面加工处理定义语句的传送,指定与该编辑装置相同的工具编号 由第一个上表面加工过程定义语句指定的第二个文件,并从第一个文件中删除这些语句。 对于每个不同的刀具号码依次执行类似的处理,由此将每个刀具编号的上表面加工过程定义语句集中存储在第二文件中。 类似地,每个刀号的侧面加工过程定义语句以与上表面加工定义语句分开的方式集中存储在第二文件中(S20-S25)。 结果,以减少上表面加工和侧面加工之间的偏移次数的方式编辑零件程序,从而可以准备能够有效地操作不可避免的类型的机床的程序 由于上表面加工和侧面加工之间的移动引起的工具更换。
    • 50. 发明授权
    • Island cutting method
    • 岛切割方法
    • US4745558A
    • 1988-05-17
    • US767265
    • 1985-08-13
    • Hajimu KishiMasaki SekiTakashi Takegahara
    • Hajimu KishiMasaki SekiTakashi Takegahara
    • B23Q15/00G05B19/4093G05B19/41G05B9/00
    • G05B19/41G05B2219/49381
    • The present invention relates to an area cutting method for cutting an area (AR) delimited by a curve (OLC) of an external shape and a plurality of closed curves (INC.sub.1, INC.sub.2) using a unidirectional cutting method or a back-and-forth cutting method. The area cutting method has a step of calculating first and second offset curves (INF.sub.1, INF.sub.2) obtained by outwardly offsetting respective closed curves by an amount dependent upon tool diameter, a step of calculating points of intersection (R.sub.i -U.sub.i) between each of the offset curves and an i-th cutting path (PT.sub.i), a step of moving a tool (TL), while the tool performs cutting, along the cutting path from a machining starting point (P.sub.i) on the i-th cutting path (PT.sub.i), to a first point of intersection (R.sub.i), of the two points of intersection (R.sub.i, S.sub.i) between the cutting path and the first offset curve (INF.sub.1), a step, executed in a case where a second point of intersection (R.sub.i) between the first offset curve and the cutting path lies inside the second offset curve (INF.sub.2), of moving the tool, without the tool performing cutting, from the first point of intersection (R.sub.i) to that point of intersection (U.sub.i) of two points of intersection (T.sub.i, U.sub.i) between the second offset curve and the cutting path which does not lie inside the first offset curve, and a step of moving the tool, while the tool performs cutting, along the cutting path up to a machining end point (Q.sub.i).
    • PCT No.PCT / JP84 / 00593 Sec。 371日期1985年8月13日 102(e)日期1985年8月13日PCT提交1984年12月14日PCT公布。 第WO85 / 02573号公报 日期:1985年6月20日。本发明涉及一种使用单向切割方法切割由外部曲线(OLC)和多个闭合曲线(INC1,INC2)限定的区域(AR)的区域切割方法 或前后切割方法。 区域切割方法具有如下步骤:计算通过使相应的闭合曲线向外偏移取决于刀具直径的量而获得的第一和第二偏移曲线(INF1,INF2),计算每一个的相交点(Ri-Ui) 偏移曲线和第i切割路径(PTi),沿着切割路径从第i切割路径(PTi)上的加工起点(Pi)沿着切割路径移动刀具(TL)的步骤 )到切割路径和第一偏移曲线(INF1)之间的两个交点(Ri,Si)交点(Ri)的第一交点(Ri)的步骤,在第二交点( 所述第一偏移曲线和所述切割路径之间的距离位于所述第二偏移曲线(INF2)的内部,使得所述工具在没有进行切割的情况下从所述第一交点(Ri)到所述交点(Ui)的移动 第二偏移曲线与切割点之间的两点交点(Ti,Ui) h,其不在第一偏移曲线内;以及在刀具进行切削的同时沿着切削路径移动到加工终点(Qi)的步骤。