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    Abnormality detection apparatus for a tool and numerical control apparatus provided with same
    4.
    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
    5.
    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。