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公开(公告)号：US20130213941A1
公开(公告)日：2013-08-22
申请号：US13699340
申请日：2012-02-17
申请人： Yoshinori Asai , Masahiro Okane , Hidetaka Katougi
发明人： Yoshinori Asai , Masahiro Okane , Hidetaka Katougi
IPC分类号： B23H1/02
摘要： An electric discharge machine performs a hole machining on a workpiece by applying a voltage between an electrode and the workpiece to generate an electric discharge therebetween and moving the electrode to a position of a command depth. The electric discharge machine comprises: a storage unit; a current-coordinate detection unit; an electric-discharge-voltage detection unit a penetration detection unit; and a calculation unit. The storage unit stores therein a penetration determination voltage, a penetration determining duration, and a first projecting amount. The current-coordinate detection unit detects a current position of the electrode. The electric-discharge-voltage detection unit detects a minimum voltage of the electric discharge for each predetermined period. The penetration detection unit determines the electrode has penetrated through the workpiece. The calculation unit calculates, a position obtained by adding the first projecting amount to the current position of the electrode detected by the current-coordinate detection unit and updates the command depth.
摘要翻译： 放电机械通过在电极和工件之间施加电压而在工件上进行孔加工，以在其间产生放电，并将电极移动到指令深度的位置。 放电机包括：存储单元; 当前坐标检测单元; 放电电压检测单元，穿透检测单元; 和计算单元。 存储单元存储穿透确定电压，穿透确定持续时间和第一突出量。 当前坐标检测单元检测电极的当前位置。 放电电压检测单元在每个预定周期内检测放电的最小电压。 穿透检测单元确定电极已穿过工件。 计算单元计算通过将第一突出量与由当前坐标检测单元检测到的电极的当前位置相加而获得的位置，并更新指令深度。
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公开(公告)号：US09370836B2
公开(公告)日：2016-06-21
申请号：US13699340
申请日：2012-02-17
申请人： Yoshinori Asai , Masahiro Okane , Hidetaka Katougi
发明人： Yoshinori Asai , Masahiro Okane , Hidetaka Katougi
摘要： An electric discharge machine performs a hole machining on a workpiece by applying a voltage between an electrode and the workpiece to generate an electric discharge therebetween and moving the electrode to a position of a command depth. The electric discharge machine comprises: a storage unit; a current-coordinate detection unit; an electric-discharge-voltage detection unit a penetration detection unit; and a calculation unit. The storage unit stores therein a penetration determination voltage, a penetration determining duration, and a first projecting amount. The current-coordinate detection unit detects a current position of the electrode. The electric-discharge-voltage detection unit detects a minimum voltage of the electric discharge for each predetermined period. The penetration detection unit determines the electrode has penetrated through the workpiece. The calculation unit calculates, a position obtained by adding the first projecting amount to the current position of the electrode detected by the current-coordinate detection unit and updates the command depth.
摘要翻译： 放电机械通过在电极和工件之间施加电压而在工件上进行孔加工，以在其间产生放电，并将电极移动到指令深度的位置。 放电机包括：存储单元; 当前坐标检测单元; 放电电压检测单元，穿透检测单元; 和计算单元。 存储单元存储穿透确定电压，穿透确定持续时间和第一突出量。 当前坐标检测单元检测电极的当前位置。 放电电压检测单元在每个预定周期内检测放电的最小电压。 穿透检测单元确定电极已穿过工件。 计算单元计算通过将第一突出量与由当前坐标检测单元检测到的电极的当前位置相加而获得的位置，并更新指令深度。
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公开(公告)号：US09149880B2
公开(公告)日：2015-10-06
申请号：US13640263
申请日：2010-04-21
摘要： An electrical discharge machine that performs electrical discharge machining on a workpiece by supplying a machining fluid to a machining gap between a machining electrode and the workpiece, the electrical discharge machine including: an air-bubble generation unit that generates air bubbles in the machining fluid; a storage unit that stores therein the machining fluid containing the air bubbles generated by the air-bubble generation unit; and a flow-rate adjustment unit that adjusts a flow rate of the machining fluid that flows in the storage unit, wherein the flow-rate adjustment unit adjusts the flow rate according to a diameter of the air bubbles contained in the machining fluid to be supplied to a machining tank in which the workpiece is placed.
摘要翻译： 一种放电加工机，其通过向加工用电极和所述工件之间的加工间隙供给加工液而对工件进行放电加工，所述放电加工机具备：气泡生成部，其在所述加工液中产生气泡; 其中存储有包含由气泡产生单元产生的气泡的加工流体; 以及流量调节单元，其调节在所述存储单元中流动的所述加工流体的流量，其中所述流量调节单元根据要供给的加工流体中包含的气泡的直径来调节流量 到其中放置工件的加工槽。
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公开(公告)号：US20130140276A1
公开(公告)日：2013-06-06
申请号：US13638410
申请日：2011-12-02
IPC分类号： B23H1/02
摘要： A controller of an electrical discharge machine comprises: a control unit that controls a machining condition set by the electrical discharge machine; an acquisition unit that acquires a parameter indicating an electrical discharge state between poles in a state where the machining condition is controlled by the control unit so that a normal electrical discharge occurs between the poles; an arithmetic unit that obtains a probability density distribution of the acquired parameter; a decision unit that decides a threshold that specifies a boundary between a normal electrical discharge and an abnormal electrical discharge between the poles based on the obtained probability density distribution; and a discrimination unit that discriminates whether the electrical discharge state between the poles is normal or abnormal by using the decided threshold, and wherein the control unit controls the machining condition based on a discrimination result of the discrimination unit.
摘要翻译： 放电机的控制器包括：控制单元，控制由放电机设定的加工条件; 获取单元，其在由所述控制单元控制所述加工条件的状态下获取指示极点之间的放电状态的参数，使得在所述极之间发生正常的放电; 获得所获取的参数的概率密度分布的算术单元; 决定单元，基于获得的概率密度分布，决定指定正常放电与极点之间的异常放电的边界的阈值; 以及鉴别单元，其通过使用所确定的阈值来鉴别所述极点之间的放电状态是正常还是异常，并且其中所述控制单元基于所述鉴别单元的识别结果来控制所述加工条件。
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5.发明申请WORK MEASURING METHOD, ELECTRIC DISCHARGE MACHINING METHOD, AND ELECTRIC DISCHARGE MACHINING APPARATUS 有权工作测量方法，放电加工方法和电动放料加工设备公开(公告)号：US20120043303A1
公开(公告)日：2012-02-23
申请号：US13266619
申请日：2009-04-28
CPC分类号： B23H7/20
摘要： The present invention includes steps of, determining a search starting position; setting a center position, and a first position and a second position with a distance provided therebetween; obtaining a measurement point group including measurement points of the center position, the first position, and the second position; and determining a measurement point closest to the tip portion in the measurement point group based on positions of the measurement points in a second direction and selecting a position of the measurement point in a first direction as a selected position. When the measurement point group is obtained initially after the determination of the search starting position, the search starting position is set as the center position; and when the measurement point group is obtained after the selection of the selected position, the selected position is set as the center position. The distance is narrowed for every selection of the selected position.
摘要翻译： 本发明包括确定搜索开始位置的步骤; 设置中心位置，以及设置在其间的距离的第一位置和第二位置; 获得包括所述中心位置，所述第一位置和所述第二位置的测量点的测量点组; 以及基于所述测量点在第二方向上的位置来确定所述测量点组中最靠近所述尖端部分的测量点，并且将所述测量点在第一方向上的位置选择为所选择的位置。 当在确定搜索开始位置之后最初获得测量点组时，将搜索开始位置设置为中心位置; 并且当在选择位置的选择之后获得测量点组时，将所选择的位置设置为中心位置。 对于所选位置的每个选择，距离变窄。
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公开(公告)号：US20080245780A1
公开(公告)日：2008-10-09
申请号：US10575108
申请日：2005-01-24
申请人： Shinsuke Miki , Hidetaka Katougi
发明人： Shinsuke Miki , Hidetaka Katougi
IPC分类号： B23K9/10
摘要： A discharge voltage detecting unit 7 detects a discharge voltage and determines an average discharge voltage in a specified period of time. An optimum machining condition computing unit 8 determines a discharge current that makes an average discharge voltage detected by the discharge voltage detecting unit equal to an average discharge voltage when a new machining liquid is used and determines discharging time, non-operating time, and a servo reference voltage depending on the determined discharge current from the relational equations with a discharge current, discharging time, non-operating time, and a servo reference voltage that are stored in the machining condition data base storing unit 9 and establish optimum machining conditions and controls a servo 4 and a machining electrode 5 under the optimum machining conditions by a servo control unit 6 at the time of machining.
摘要翻译： 放电电压检测单元7检测放电电压并且在指定的时间段内确定平均放电电压。 最佳加工条件计算单元8确定当使用新的加工液体时使由放电电压检测单元检测的平均放电电压等于平均放电电压的放电电流并确定放电时间，非工作时间和伺服 参考电压取决于来自具有放电电流，放电时间，非工作时间以及存储在加工条件数据库存储单元9中的伺服参考电压的关系式的确定的放电电流，并建立最佳加工条件并控制 伺服机构4和加工电极5，在最佳加工条件下由伺服控制单元6进行加工。
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公开(公告)号：US09459610B2
公开(公告)日：2016-10-04
申请号：US14000298
申请日：2011-04-11
摘要： An electric discharge machine includes at least one of a noncontact-position detection sensor that outputs a detection signal when a distance between a first contact body and a second contact body is equal to a preset residual distance in a noncontact phase and a drive unit that detects a load given on the main spindle, and a main-spindle-drive control unit stops moving of the main spindle in at least either a case where a moving amount of the main spindle since the noncontact-position detection sensor outputs the detection signal exceeds the residual distance or a case where it is determined that an overload is given from a detection result of the drive unit.
摘要翻译： 放电机包括非接触位置检测传感器中的至少一个，当第一接触体和第二接触体之间的距离等于非接触相位中的预设剩余距离时，输出检测信号;以及驱动单元，其检测 在主轴上施加的负载，主轴驱动控制单元至少在从非接触位置检测传感器输出检测信号的主轴的移动量超过主轴的情况下，停止主轴的移动 剩余距离或确定从驱动单元的检测结果给出过载的情况。
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8.发明授权公开(公告)号：US09339882B2
公开(公告)日：2016-05-17
申请号：US14410974
申请日：2012-07-02
摘要： The present invention relates to a cleaning device for electrical-discharge machining fluid that cleans electrical-discharge machining fluid of an electrical-discharge machining device including a machining tank that is filled with the oil-based electrical-discharge machining fluid and in which a workpiece is machined by applying a pulse voltage between the workpiece and a machining electrode and a machining-fluid storage tank storing the electrical-discharge machining fluid to be used in the machining tank, the cleaning device including a cleaning-material storage container, which stores a cleaning material made of a granular porous material having a specific gravity equal to or higher than that of the electrical-discharge machining fluid and a grain diameter between 0.01 millimeters and 10 millimeters, in a flow channel that causes the electrical-discharge machining fluid to flow between the machining tank and the machining-fluid storage tank.
摘要翻译： 本发明涉及一种用于清洗放电加工装置的放电加工液的清洗装置，该放电加工装置包括填充有油性放电加工液的加工槽，其中工件 通过在工件和加工电极之间施加脉冲电压和存储要用于加工槽中的放电加工流体的加工液储存罐来加工，该清洁装置包括清洁材料储存容器，其存储 在具有等于或高于放电加工液的比重的颗粒状多孔材料制成的清洁材料和在0.01毫米至10毫米之间的颗粒直径的导流管中，使流体流动导致放电加工液流动 在加工槽和加工液储罐之间。
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9.发明授权公开(公告)号：US08907244B2
公开(公告)日：2014-12-09
申请号：US13266619
申请日：2009-04-28
IPC分类号： B23H7/20
CPC分类号： B23H7/20
摘要： The present invention includes steps of, determining a search starting position; setting a center position, and a first position and a second position with a distance provided therebetween; obtaining a measurement point group including measurement points of the center position, the first position, and the second position; and determining a measurement point closest to the tip portion in the measurement point group based on positions of the measurement points in a second direction and selecting a position of the measurement point in a first direction as a selected position. When the measurement point group is obtained initially after the determination of the search starting position, the search starting position is set as the center position; and when the measurement point group is obtained after the selection of the selected position, the selected position is set as the center position. The distance is narrowed for every selection of the selected position.
摘要翻译： 本发明包括确定搜索开始位置的步骤; 设置中心位置，以及设置在其间的距离的第一位置和第二位置; 获得包括所述中心位置，所述第一位置和所述第二位置的测量点的测量点组; 以及基于所述测量点在第二方向上的位置来确定所述测量点组中最靠近所述尖端部分的测量点，并且将所述测量点在第一方向上的位置选择为所选择的位置。 当在确定搜索开始位置之后最初获得测量点组时，将搜索开始位置设置为中心位置; 并且当在选择位置的选择之后获得测量点组时，将所选择的位置设置为中心位置。 对于所选位置的每个选择，距离变窄。
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公开(公告)号：US20130325163A1
公开(公告)日：2013-12-05
申请号：US14000298
申请日：2011-04-11
IPC分类号： G05B19/18
摘要： An electric discharge machine includes at least one of a noncontact-position detection sensor that outputs a detection signal when a distance between a first contact body and a second contact body is equal to a preset residual distance in a noncontact phase and a drive unit that detects a load given on the main spindle, and a main-spindle-drive control unit stops moving of the main spindle in at least either a case where a moving amount of the main spindle since the noncontact-position detection sensor outputs the detection signal exceeds the residual distance or a case where it is determined that an overload is given from a detection result of the drive unit.
摘要翻译： 放电机包括非接触位置检测传感器中的至少一个，当第一接触体和第二接触体之间的距离等于非接触相位中的预设剩余距离时，输出检测信号;以及驱动单元，其检测 在主轴上施加的负载，主轴驱动控制单元至少在从非接触位置检测传感器输出检测信号的主轴的移动量超过主轴的情况下，停止主轴的移动 剩余距离或确定从驱动单元的检测结果给出过载的情况。
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