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    Abnormality detection apparatus for a tool and numerical control apparatus provided with same
    12.
    发明公开
    Abnormality detection apparatus for a tool and numerical control apparatus provided with same 有权
    异常用于工具和数值控制装置，其装备有这种检测装置

    公开(公告)号：EP1083025A3

    公开(公告)日：2003-01-22

    申请号：EP00119336.6

    申请日：2000-09-07

    申请人： Mori Seiki Co., Ltd. ,  Kakino, Yoshiaki ,  Yasda Precision Tools K.K. ,  Osaka Kiko Co., Ltd. ,  Yamazaki Mazak Corporation ,  MITSUBISHI DENKI KABUSHIKI KAISHA

    发明人： Kakino, Yoshiaki ,  Fujishima, Makoto ,  Otsubo, Hisashi, c/o Yasda Precision Tools K.K. ,  Nakagawa, Hideo ,  Yamaoka, Yoshinori, c/o Yamazaki Mazak Corp. ,  Takeshita, Torao

    IPC分类号： B23Q17/09 ,  B23Q15/16 ,  G05B19/18

    CPC分类号： G05B19/404 ,  B23Q17/0961 ,  G05B2219/41376 ,  G05B2219/42289 ,  G05B2219/50276 ,  Y10T408/14

    摘要： An abnormality detection apparatus for a tool (11) is described for judging abnormalities of a tool by a uniformly set threshold value in relation to a cutting load even in a machining process wherein a feed rate changes every moment. The abnormality detection apparatus for a tool (10 or 21) comprises cutting load detecting means (8) to detect a cutting load on the basis of an electric current for driving that is output to a feed drive system (14) and/or an electric current for driving that is output to a spindle drive system (15), feed load estimating means (12) to estimate a feed load according to the feed rate wherein the feed load depends on the feed rate, tool load detecting means (11) to pick out a load component depending on the tool by reducing the feed load data estimated by the feed load estimating means (12) from the cutting load data detected by the cutting load detecting means (8), and abnormality judging means (13) to judge whether the tool is in an abnormal condition or not on the basis of the load data picked out by the tool load detecting means (11). The abnormalities of the tool can be judged by the uniformly set threshold value on the basis of the tool load wherefrom the feed load that fluctuates upon the feed rate has been removed.

    摘要翻译： 用于工具（11）的异常检测装置，描述了一种用于即使在加工过程worin的进料速率每时每刻都在变化相对于由统一地设置阈值判定的工具的异常的切削负荷。 用于工具（10或21）所述的异常检测装置包括切削负荷检测装置（8），以检测用于驱动的​​电流的基础上的切削负荷确实是输出到进给驱动系统（14）和/或电 电流用于驱动没有被输出到锭子驱动系统（15），进料负荷估计装置（12）来估计进料负载雅丁到进料速率worin进料负载依赖于速率进料，工具负荷检测装置（11），以 通过减少从由切割负载检测装置检测的切削载荷数据供给负荷估计装置（12）估计进料负载数据挑选出一个负载部件根据工具（8），以及异常判定装置（13）判断 该工具是否处于异常状态或不负载的数据的基础上由刀具载荷检测手段（11）挑选出来。 该工具的异常可通过工具从那里负荷进给负荷变动时那样进料速率已被除去的基础上的一致设定的阈值来判断。

    Abnormality detection apparatus for a tool and numerical control apparatus provided with same
    14.
    发明公开
    Abnormality detection apparatus for a tool and numerical control apparatus provided with same 有权
    异常用于工具和数值控制装置，其装备有这种检测装置

    公开(公告)号：EP1083025A2

    公开(公告)日：2001-03-14

    申请号：EP00119336.6

    申请日：2000-09-07

    申请人： Mori Seiki Co., Ltd. ,  Kakino, Yoshiaki ,  Yasda Precision Tools K.K. ,  Osaka Kiko Co., Ltd. ,  Yamazaki Mazak Corporation ,  MITSUBISHI DENKI KABUSHIKI KAISHA

    发明人： Kakino, Yoshiaki ,  Fujishima, Makoto ,  Otsubo, Hisashi, Yasda Precision Tools K.K. ,  Nakagawa, Hideo ,  Yamaoka, Yoshinori, Yamazaki Mazak Corp. ,  Takeshita, Torao

    IPC分类号： B23Q17/09 ,  B23Q15/16 ,  G05B19/18

    CPC分类号： G05B19/404 ,  B23Q17/0961 ,  G05B2219/41376 ,  G05B2219/42289 ,  G05B2219/50276 ,  Y10T408/14

    摘要： An abnormality detection apparatus for a tool (11) is described for judging abnormalities of a tool by a uniformly set threshold value in relation to a cutting load even in a machining process wherein a feed rate changes every moment. The abnormality detection apparatus for a tool (10 or 21) comprises cutting load detecting means (8) to detect a cutting load on the basis of an electric current for driving that is output to a feed drive system (14) and/or an electric current for driving that is output to a spindle drive system (15), feed load estimating means (12) to estimate a feed load according to the feed rate wherein the feed load depends on the feed rate, tool load detecting means (11) to pick out a load component depending on the tool by reducing the feed load data estimated by the feed load estimating means (12) from the cutting load data detected by the cutting load detecting means (8), and abnormality judging means (13) to judge whether the tool is in an abnormal condition or not on the basis of the load data picked out by the tool load detecting means (11). The abnormalities of the tool can be judged by the uniformly set threshold value on the basis of the tool load wherefrom the feed load that fluctuates upon the feed rate has been removed.

    摘要翻译： 用于工具（11）的异常检测装置，描述了一种用于即使在加工过程worin的进料速率每时每刻都在变化相对于由统一地设置阈值判定的工具的异常的切削负荷。 用于工具（10或21）所述的异常检测装置包括切削负荷检测装置（8），以检测用于驱动的​​电流的基础上的切削负荷确实是输出到进给驱动系统（14）和/或电 电流用于驱动没有被输出到锭子驱动系统（15），进料负荷估计装置（12）来估计进料负载雅丁到进料速率worin进料负载依赖于速率进料，工具负荷检测装置（11），以 通过减少从由切割负载检测装置检测的切削载荷数据供给负荷估计装置（12）估计进料负载数据挑选出一个负载部件根据工具（8），以及异常判定装置（13）判断 该工具是否处于异常状态或不负载的数据的基础上由刀具载荷检测手段（11）挑选出来。 该工具的异常可通过工具从那里负荷进给负荷变动时那样进料速率已被除去的基础上的一致设定的阈值来判断。

    Cutting force detection method and machining control method and apparatus based on detected cutting force
    20.
    发明公开
    Cutting force detection method and machining control method and apparatus based on detected cutting force 审中-公开
    一种用于检测用于处理控制基于所检测到的切削力的切削力，方法和装置的方法

    公开(公告)号：EP1475683A2

    公开(公告)日：2004-11-10

    申请号：EP04252590.7

    申请日：2004-05-04

    申请人： Kakino, Yoshiaki ,  Nakagawa, Heisaburo ,  FANUC LTD ,  Yasuda Precision Tools K.K. ,  Mori Seiki Co., Ltd. ,  Manufacturing Technology Institute Inc.

    发明人： Kakino, Yoshiaki ,  Nakagawa, Heisaburo ,  Inoue, Hideaki ,  Matsuoka, Koji ,  Otsubo, Hisashi c/o Yasuda Precision K.K. ,  Tabata, Masakazu c/o Manufacturing Techn. Inst. ,  Yamaji, Iwao ,  Otsuka, Hirotoshi

    IPC分类号： G05B19/4065

    CPC分类号： G05B19/00 ,  G05B19/4065 ,  Y10T409/300896 ,  Y10T409/30112 ,  Y10T409/303808 ,  Y10T409/306888

    摘要： End-mill machining control method and apparatus in which cutting forces tangential and normal to tool motion are detected and machining is controlled based on the detected cutting force values. A primary component Ft and motion axis components Fx, Fy of a cutting force are determined from current values of a spindle motor and motion axis motors for tool feed. A cutting-engaged angle αen is determined from a radius R of a tool and a depth of cut I into a workpiece. A motion direction angle β is determined from distribution motion amounts ΔX, ΔY to the axes. The cutting forces Fm, Fs tangential and normal to tool motion are determined from the primary component Ft and a motion axis component Fx or Fy whichever is the largest, the cutting-engaged angle αen, the motion direction angle β. The accuracy of the determined cutting forces Fm, Fs is high since they are determined from the primary component Ft less affected by disturbance and the largest axis component of the cutting force. By controlling the cutting forces Fm, Fs tangential and normal to the tool motion, machining accuracy can be improved and tool life can be extended.

    摘要翻译： 检测到在其中立铣刀加工控制方法和装置的切削力的切向和垂直于刀具运动和加工基于检测到的切削力值来控制。 主分量Ft和运动轴分量Fx的，切割力Fy的的是确定从一个主轴电机和运动轴电动机为刀具进给的电流值开采。 一种切削接合角度±s的确定性从工具的半径R和切削I的深度进入工件开采。 一种运动方向角²是确定性从分发运动量开采“X”，Y到轴。 切削力FM，FS切向和法向刀具运动是确定性从主分量Ft和一个运动轴分量Fx Fy的或两者中大的最大，切割接合角度±s时，运动方向角²开采。 确定性开采切削力的精度FM，Fs为高，因为它们是从确定性主分量尺少受干扰和切割力的大最大轴分量开采。 通过控制切割力FM，FS切向和垂直于刀具运动，加工精度可以提高，工具寿命可以延长。