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公开(公告)号：US08642915B2
公开(公告)日：2014-02-04
申请号：US13126667
申请日：2008-10-29
申请人： Yasuo Onodera , Takashi Yuzawa , Kozo Nomura
发明人： Yasuo Onodera , Takashi Yuzawa , Kozo Nomura
IPC分类号： B23H7/06
CPC分类号： B23H7/065
摘要： An object is to enable highly accurate machining by correcting machining conditions by referring to a programmed trajectory to obtain a desired machining shape. A wire electric discharge machining apparatus includes a machining-condition correcting unit that corrects machining conditions in each machining stage corresponding to a circular arc radius of a portion corresponding to a corner portion of a programmed trajectory, in the corner portion formed by changing a direction of relatively moving a wire electrode, when the wire electrode is moved on a wire center trajectory, which is offset from the programmed trajectory prestored in order to obtain a desired machining shape to perform finish machining in each machining stage with an offset amount being changed.
摘要翻译： 目的是通过参照编程的轨迹校正加工条件以获得期望的加工形状来实现高精度的加工。 线材放电加工设备包括一个加工条件校正单元，该加工条件校正单元在对应于编程轨迹的角部的部分的圆弧半径对应于每个加工阶段中的加工条件中，在通过改变方向 相对移动线电极，当线电极在预先存储的编程轨迹偏移的导线中心轨迹上移动时，以获得期望的加工形状，以在每个加工阶段进行精加工，其中偏移量被改变。
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公开(公告)号：US20130292506A1
公开(公告)日：2013-11-07
申请号：US13980748
申请日：2011-05-16
申请人： Yasuo Onodera , Takayuki Nakagawa
发明人： Yasuo Onodera , Takayuki Nakagawa
IPC分类号： B23H7/10
摘要： A wire electric discharge machining apparatus according to embodiments includes a wire electrode, a wire supplying unit that supplies the wire electrode, a collecting motor that collects the wire electrode at a predetermined speed, a tension motor that controls a tension of the wire electrode between the wire supplying unit and the collecting motor, a speed calculating unit that calculates a traveling speed of the wire electrode at a predetermined time interval, a speed storing unit that stores the traveling speed calculated by the speed calculating unit, a differential speed calculating unit that calculates a differential speed between a current traveling speed output from the speed calculating unit and a past traveling speed stored in the speed storing unit, and a breakage detecting unit that detects breakage of the wire electrode by comparing the differential speed with a predetermined threshold.
摘要翻译： 根据实施例的线放电加工装置包括线电极，供给线电极的线供给单元，以预定速度收集线电极的收集电动机，控制线电极的张力的张力电动机 线供给单元和收集电动机;速度计算单元，其以预定时间间隔计算线电极的行进速度;速度存储单元，其存储由速度计算单元计算出的行驶速度;差速计算单元，其计算 从速度计算单元输出的当前行驶速度与存储在速度存储单元中的过去行驶速度之间的差速;以及破损检测单元，其通过将差速与预定阈值进行比较来检测线电极的断裂。
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公开(公告)号：US20110226742A1
公开(公告)日：2011-09-22
申请号：US13126667
申请日：2008-10-29
申请人： Yasuo Onodera , Takashi Yuzawa , Kozo Nomura
发明人： Yasuo Onodera , Takashi Yuzawa , Kozo Nomura
IPC分类号： B23H1/02
CPC分类号： B23H7/065
摘要： An object is to enable highly accurate machining by correcting machining conditions by referring to a programmed trajectory to obtain a desired machining shape. A wire electric discharge machining apparatus includes a machining-condition correcting unit that corrects machining conditions in each machining stage corresponding to a circular arc radius of a portion corresponding to a corner portion of a programmed trajectory, in the corner portion formed by changing a direction of relatively moving a wire electrode, when the wire electrode is moved on a wire center trajectory, which is offset from the programmed trajectory prestored in order to obtain a desired machining shape to perform finish machining in each machining stage with an offset amount being changed.
摘要翻译： 目的是通过参照编程的轨迹校正加工条件以获得期望的加工形状来实现高精度的加工。 线材放电加工设备包括一个加工条件校正单元，该加工条件校正单元在对应于编程轨迹的角部的部分的圆弧半径对应于每个加工阶段中的加工条件中，在通过改变方向 相对移动线电极，当线电极在预先存储的编程轨迹偏移的导线中心轨迹上移动时，以获得期望的加工形状，以在每个加工阶段进行精加工，其中偏移量被改变。
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公开(公告)号：US09718140B2
公开(公告)日：2017-08-01
申请号：US14439598
申请日：2012-12-06
CPC分类号： B23H1/024
摘要： An electric discharge machining system is provided which distinguishes an abnormal discharge caused by an immediate discharge and an abnormal discharge caused not by the immediate discharge to suitably control in each case. The electric discharge machining system according to the present invention that machines a workpiece by producing a discharge between an electrode and the workpiece, includes: a no-load-time detection means that detects no-load time of inter-electrode voltage between the electrode and the workpiece; an immediate-discharge determination means that compares the no-load time detected by the no-load-time detection means with predetermined time to determine whether or not the discharge is an immediate discharge; a voltage detection means that detects the inter-electrode voltage; an abnormal-discharge determination means that compares the voltage detected by the voltage detection means with a predetermined value to determine whether or not the discharge is a normal discharge; a discharge state assessment means that assesses a state of the discharge on the basis of the determination result of the immediate-discharge determination means and the determination result of the abnormal-discharge determination means; and a machining condition control means that controls a machining condition on the basis of the discharge state assessed by the discharge state assessment means.
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公开(公告)号：US09278400B2
公开(公告)日：2016-03-08
申请号：US13993124
申请日：2012-07-25
CPC分类号： B23H1/024
摘要： An electric-discharge machining device including an electric-discharge-state determination unit that determines whether an electric discharging state between a machining electrode and a workpiece is either a state of normal electric discharge or of abnormal electric discharge, and a machining-condition switching unit that changes at least one machining condition, further includes a storage unit that stores therein an electric-discharge-state determination indicator, a standard-deviation calculation unit, and a boundary calculation unit that calculates a boundary to be applied to a determination in the electric-discharge-state determination unit based on the electric-discharge-state determination indicator, wherein the machining-condition switching unit changes the machining condition according to a comparison result between the standard deviation calculated by the standard-deviation calculation unit and a standard deviation reference set as a reference of the standard deviation.
摘要翻译： 一种放电加工装置，包括：放电状态判定单元，判定加工用电极与工件之间的放电状态是正常放电状态还是异常放电状态;加工条件切换单元 其改变至少一个加工条件，还包括存储单元，其中存储放电状态确定指示符，标准偏差计算单元和边界计算单元，所述边界计算单元计算要应用于电气中的确定的边界 - 放电状态确定单元，其中所述加工条件切换单元根据由所述标准偏差计算单元计算的标准偏差与标准偏差基准之间的比较结果来改变加工条件 设定为标准偏差的参考。
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公开(公告)号：US09010673B2
公开(公告)日：2015-04-21
申请号：US13980748
申请日：2011-05-16
申请人： Yasuo Onodera , Takayuki Nakagawa
发明人： Yasuo Onodera , Takayuki Nakagawa
摘要： A wire electric discharge machining apparatus according to embodiments includes a wire electrode, a wire supplying unit that supplies the wire electrode, a collecting motor that collects the wire electrode at a predetermined speed, a tension motor that controls a tension of the wire electrode between the wire supplying unit and the collecting motor, a speed calculating unit that calculates a traveling speed of the wire electrode at a predetermined time interval, a speed storing unit that stores the traveling speed calculated by the speed calculating unit, a differential speed calculating unit that calculates a differential speed between a current traveling speed output from the speed calculating unit and a past traveling speed stored in the speed storing unit, and a breakage detecting unit that detects breakage of the wire electrode by comparing the differential speed with a predetermined threshold.
摘要翻译： 根据实施例的线放电加工装置包括线电极，供给线电极的线供给单元，以预定速度收集线电极的收集电动机，控制线电极的张力的张力电动机 线供给单元和收集电动机;速度计算单元，其以预定时间间隔计算线电极的行进速度;速度存储单元，其存储由速度计算单元计算出的行驶速度;差速计算单元，其计算 从速度计算单元输出的当前行驶速度与存储在速度存储单元中的过去行驶速度之间的差速;以及破损检测单元，其通过将差速与预定阈值进行比较来检测线电极的断裂。
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公开(公告)号：US20140144885A1
公开(公告)日：2014-05-29
申请号：US14130634
申请日：2011-07-06
申请人： Yasuo Onodera , Takayuki Nakagawa
发明人： Yasuo Onodera , Takayuki Nakagawa
IPC分类号： B23H7/10
摘要： In order to detect a wire breakage as soon as possible, the wire electrical discharge machining apparatus includes a speed fluctuation compensator that generates a speed fluctuation suppression command that is a speed compensation value that suppresses fluctuation of the rotational speed of the tension motor on the basis of the rotational speed of the tension motor and a breakage detecting device that detects a breakage of the wire electrode on the basis of a comparison of a preset breakage detection threshold and a speed fluctuation suppression command output from the speed fluctuation compensator.
摘要翻译： 为了尽快检测到断线，电线放电加工装置包括速度波动补偿器，该速度波动补偿器产生作为抑制张力马达的转速的变动的速度补偿值的速度波动抑制指令 以及断裂检测装置，其基于预设断裂检测阈值和从速度波动补偿器输出的速度波动抑制指令的比较来检测线电极的断裂。
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公开(公告)号：US20140027409A1
公开(公告)日：2014-01-30
申请号：US13993124
申请日：2012-07-25
IPC分类号： B23H1/02
CPC分类号： B23H1/024
摘要： An electric-discharge machining device including an electric-discharge-state determination unit that determines whether an electric discharging state between a machining electrode and a workpiece is either a state of normal electric discharge or of abnormal electric discharge, and a machining-condition switching unit that changes at least one machining condition, further includes a storage unit that stores therein an electric-discharge-state determination indicator, a standard-deviation calculation unit, and a boundary calculation unit that calculates a boundary to be applied to a determination in the electric-discharge-state determination unit based on the electric-discharge-state determination indicator, wherein the machining-condition switching unit changes the machining condition according to a comparison result between the standard deviation calculated by the standard-deviation calculation unit and a standard deviation reference set as a reference of the standard deviation.
摘要翻译： 一种放电加工装置，包括：放电状态判定单元，判定加工用电极与工件之间的放电状态是正常放电状态还是异常放电状态;加工条件切换单元 其改变至少一个加工条件，还包括存储单元，其中存储放电状态确定指示符，标准偏差计算单元和边界计算单元，所述边界计算单元计算要应用于电气中的确定的边界 - 放电状态确定单元，其中所述加工条件切换单元根据由所述标准偏差计算单元计算的标准偏差与标准偏差基准之间的比较结果来改变加工条件 设定为标准偏差的参考。
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公开(公告)号：US08258420B2
公开(公告)日：2012-09-04
申请号：US12375366
申请日：2006-10-24
申请人： Yasuo Onodera , Tatsushi Sato , Takashi Hashimoto , Hisashi Yamada , Koichiro Hattori , Yoshikazu Ukai
发明人： Yasuo Onodera , Tatsushi Sato , Takashi Hashimoto , Hisashi Yamada , Koichiro Hattori , Yoshikazu Ukai
CPC分类号： B23H7/04 , B23H1/022 , B23H9/00 , B23H9/12 , B23H11/006
摘要： A wire electrical discharge machining apparatus includes a unit capable of separately opening and closing each of a high impedance path and a low impedance path, a unit that sets an open/close pattern in which a combination of closing one of the feeding paths and opening another one of the feeding paths is designated for switching power feeding between the high impedance path and the low impedance path, a unit that changes pulse energy per feeding pulse in a present feeding path to reduce a difference in discharge pulse energy applied to an inter-electrode gap from a machining power supply between at a time of high-impedance-path feeding and at a time of low-impedance-path feeding, and a unit that controls opening and closing of the path open/close unit in accordance with the changed open/close pattern.
摘要翻译： 线放电加工装置包括能够单独打开和关闭高阻抗路径和低阻抗路径的单元，设置打开/关闭图案的单元，其中关闭一个馈送路径并打开另一个的组合 馈送路径中的一个被指定用于在高阻抗路径和低阻抗路径之间切换供电，该单元改变当前馈送路径中每个馈送脉冲的脉冲能量，以减少施加到电极间的放电脉冲能量的差异 在高阻抗路径馈送时和低阻抗路径馈送时的来自加工电源的间隙以及根据改变的开路来控制路径打开/关闭单元的打开和关闭的单元 /关闭模式。
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公开(公告)号：US20100012626A1
公开(公告)日：2010-01-21
申请号：US12375366
申请日：2006-10-24
申请人： Yasuo Onodera , Tatsushi Sato , Takashi Hashimoto , Hisashi Yamada , Koichiro Hattori , Yoshikazu Ukai
发明人： Yasuo Onodera , Tatsushi Sato , Takashi Hashimoto , Hisashi Yamada , Koichiro Hattori , Yoshikazu Ukai
IPC分类号： B23H1/02
CPC分类号： B23H7/04 , B23H1/022 , B23H9/00 , B23H9/12 , B23H11/006
摘要： A wire electrical discharge machining apparatus includes a unit capable of separately opening and closing each of a high impedance path and a low impedance path, a unit that sets an open/close pattern in which a combination of closing one of the feeding paths and opening another one of the feeding paths is designated for switching power feeding between the high impedance path and the low impedance path, a unit that changes pulse energy per feeding pulse in a present feeding path to reduce a difference in discharge pulse energy applied to an inter-electrode gap from a machining power supply between at a time of high-impedance-path feeding and at a time of low-impedance-path feeding, and a unit that controls opening and closing of the path open/close unit in accordance with the changed open/close pattern.
摘要翻译： 线放电加工装置包括能够单独打开和关闭高阻抗路径和低阻抗路径的单元，设置打开/关闭图案的单元，其中关闭一个馈送路径并打开另一个的组合 馈送路径中的一个被指定用于在高阻抗路径和低阻抗路径之间切换供电，该单元改变当前馈送路径中每个馈送脉冲的脉冲能量，以减少施加到电极间的放电脉冲能量的差异 在高阻抗路径馈送时和低阻抗路径馈送时的来自加工电源的间隙以及根据改变的开路来控制路径打开/关闭单元的打开和关闭的单元 /关闭模式。
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