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公开(公告)号：US07045735B2
公开(公告)日：2006-05-16
申请号：US10492592
申请日：2002-04-22
申请人： Seiji Satou , Hiroyuki Ooguro , Hisashi Yamada
发明人： Seiji Satou , Hiroyuki Ooguro , Hisashi Yamada
IPC分类号： B23H1/02
摘要： Machining electrical power supply device for wire electrical discharge machining. Includes an electrical discharge state distinguishing circuit (6) for distinguishing at least two inter-electrode states, including electrical shorting and normal electrical discharge, between a wire electrode (E) and a workpiece (W), and an inter-electrode current waveform control means for supplying, and for switching between supply of, a triangular wave and a trapezoidal wave current to the electrodes. According to the inter-electrode state distinguished by the electrical discharge state distinguishing circuit (6), in cases where the inter-electrode state is that of electrical shorting (Y1), the inter-electrode current waveform control means supplies a triangular wave current (I) to the electrodes, and in cases where the inter-electrode state is that of normal electrical discharge (Y3), it supplies a trapezoidal wave current (I) to the electrodes. Breakage of the wire electrode (E) can be avoided and machining speed can be improved.
摘要翻译： 加工用于电火花加工的电源装置。 包括用于区分线电极（E）和工件（W）之间的至少两个电极间状态（包括电短路和正常放电）的放电状态判别电路（6），以及电极间电流波形控制 用于向电极提供三角波和梯形波电流的供给和切换的装置。 根据由放电状态判断电路（6）区别的电极间状态，在电极短路（Y 1）的电极间状态的情况下，电极间电流波形控制装置将三角波电流 （I），并且在电极间状态为正常放电（Y 3）的情况下，向电极提供梯形波电流（I）。 可以避免线电极（E）的破损，并可以提高加工速度。
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公开(公告)号：US20050051519A1
公开(公告)日：2005-03-10
申请号：US10492592
申请日：2002-04-22
申请人： Seiji Satou , Hiroyuki Ooguro , Hisashi Yamada
发明人： Seiji Satou , Hiroyuki Ooguro , Hisashi Yamada
摘要： Machining electrical power supply device for wire electrical discharge machining. Includes an electrical discharge state distinguishing circuit (6) for distinguishing at least two inter-electrode states, including electrical shorting and normal electrical discharge, between a wire electrode (E) and a workpiece (W), and an inter-electrode current waveform control means for supplying, and for switching between supply of, a triangular wave and a trapezoidal wave current to the electrodes. According to the inter-electrode state distinguished by the electrical discharge state distinguishing circuit (6), in cases where the inter-electrode state is that of electrical shorting (Y1), the inter-electrode current waveform control means supplies a triangular wave current (I) to the electrodes, and in cases where the inter-electrode state is that of normal electrical discharge (Y3), it supplies a trapezoidal wave current (I) to the electrodes. Breakage of the wire electrode (E) can be avoided and machining speed can be improved.
摘要翻译： 加工用于电火花加工的电源装置。 包括用于区分线电极（E）和工件（W）之间的至少两个电极间状态（包括电短路和正常放电）的放电状态判别电路（6），以及电极间电流波形控制 用于向电极提供三角波和梯形波电流的供给和切换的装置。 根据由放电状态判断电路（6）区别的电极间状态，在电极短路（Y1）的电极间状态的情况下，电极间电流波形控制装置将三角波电流 I），并且在电极间状态为正常放电（Y3）的情况下，向电极提供梯形波电流（I）。 可以避免线电极（E）的破损，并可以提高加工速度。
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公开(公告)号：US07268314B2
公开(公告)日：2007-09-11
申请号：US10520658
申请日：2002-07-12
申请人： Seiji Satou , Hiroyuki Ooguro
发明人： Seiji Satou , Hiroyuki Ooguro
CPC分类号： B23H1/022 , B23H2300/20
摘要： A power supply device for electric discharge machining includes a switching circuit that supplies a discharge pulse current to an inter-electrode portion that is a portion between an electrode and a workpiece serving as another electrode arranged to be opposed to the electrode at a predetermined interval; and a pulse-width control unit that generates a control pulse signal of a predetermined pulse width in response to a detection signal for starting a discharge at the inter-electrode portion. The switching circuit includes a switching circuit including a switching element suitable for a high-speed operation and a switching circuit including a switching element suitable for a low-speed operation, and receives the control pulse signal in parallel.
摘要翻译： 用于放电加工的电源装置包括：切换电路，其以预定间隔向作为与电极相对布置的另一电极的电极和工件之间的部分的电极间部分提供放电脉冲电流; 以及脉冲宽度控制单元，其响应用于在所述电极间部分开始放电的检测信号，生成预定脉冲宽度的控制脉冲信号。 开关电路包括：开关电路，包括适合于高速运行的开关元件和包括适合于低速工作的开关元件的开关电路，并且并行地接收控制脉冲信号。
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公开(公告)号：US20060054600A1
公开(公告)日：2006-03-16
申请号：US10520658
申请日：2002-07-12
申请人： Seiji Satou , Hiroyuki Ooguro
发明人： Seiji Satou , Hiroyuki Ooguro
CPC分类号： B23H1/022 , B23H2300/20
摘要： A power supply device for electric discharge machining includes a switching circuit that supplies a discharge pulse current to an inter-electrode portion that is a portion between an electrode and a workpiece serving as another electrode arranged to be opposed to the electrode at a predetermined interval; and a pulse-width control unit that generates a control pulse signal of a predetermined pulse width in response to a detection signal for starting a discharge at the inter-electrode portion. The switching circuit includes a switching circuit including a switching element suitable for a high-speed operation and a switching circuit including a switching element suitable for a low-speed operation, and receives the control pulse signal in parallel.
摘要翻译： 用于放电加工的电源装置包括：切换电路，其以预定间隔向作为与电极相对布置的另一电极的电极和工件之间的部分的电极间部分提供放电脉冲电流; 以及脉冲宽度控制单元，其响应用于在所述电极间部分开始放电的检测信号，生成预定脉冲宽度的控制脉冲信号。 开关电路包括：开关电路，包括适合于高速运行的开关元件和包括适合于低速工作的开关元件的开关电路，并且并行地接收控制脉冲信号。
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5.发明申请公开(公告)号：US20130024020A1
公开(公告)日：2013-01-24
申请号：US13574521
申请日：2010-01-22
IPC分类号： G05B19/18
摘要： In order to obtain wire-breakage thresholds and machining conditions for respective board thicknesses in a trial machining, a numerical control device for a wire electric discharge machining apparatus according to the present invention includes a wire-breakage-sign-signal generation means that generates a wire-breakage sign signal from machining state quantities, a wire-breakage sign detection means that outputs a machining-condition re-setting instruction and a wire-breakage threshold re-setting instruction from the wire-breakage sign signal and a wire-breakage threshold, a wire-breakage threshold setting means that sets the wire-breakage threshold according to the wire-breakage threshold re-setting instruction and a wire-breakage signal, a machining energy calculation means that calculates a machining energy from a discharge pulse count, a machining speed measurement means that measures a machining speed from position information, a board thickness calculation means that calculates a board thickness of the workpiece from the machining energy and the machining speed, a machining-condition switching means that outputs, according to a predetermined algorithm, a machining-condition switching instruction from the board thickness, the machining-condition re-setting instruction, and the wire-breakage signal, a control means that sends an oscillation instruction to a oscillator and sends a shaft feed instruction to a servo amplifier so that the machining condition is set to one determined by the machining-condition switching instruction, and a machining-condition storage means and a wire-breakage threshold storage means that store the machining condition and the wire-breakage threshold that correspond to each board thickness.
摘要翻译： 为了在试验加工中获得各板厚度的断线阈值和加工条件，本发明的电线放电加工装置用数控装置包括：断线符号信号生成装置， 来自加工状态量的断线符号信号;断线符号检测装置，其从断线符号信号和断线阈值输出加工条件重新设定指令和断线阈值重新设定指令 断线阈值设定装置，根据断线阈值重新设定指示和断线信号来设定断线阈值，根据放电脉冲数计算加工能量的加工能量计算单元， 加工速度测量意味着从位置信息测量加工速度，计算a的板厚度计算装置 根据加工能量和加工速度的工件的板厚度;加工条件切换装置，根据预定的算法，从板厚度，加工条件重新设定指令和 断线信号，向振荡器发送振荡指令并向伺服放大器发送轴馈送指令的控制装置，使得加工条件被设定为由加工条件切换指令确定的加工条件，加工条件 存储装置和断线阈值存储装置，其存储对应于每个板厚度的加工条件和断线阈值。
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公开(公告)号：US06686554B1
公开(公告)日：2004-02-03
申请号：US10069504
申请日：2002-02-27
申请人： Akihiro Goto , Toshio Moro , Seiji Satou
发明人： Akihiro Goto , Toshio Moro , Seiji Satou
IPC分类号： B23H702
摘要： A method of wire electric discharge machining by which an electric discharge is generated in a gap between a wire electrode (1a) and a workpiece (2) so that the workpiece (2) is machined, includes the steps of: a first step in which electric discharge machining is conducted in a dielectric liquid (4a); a second step in which electric discharge machining is conducted in mist (7); and a third step in which electric discharge machining is conducted in gas (8), such that the machining process is changed over when straightness of the workpiece (2) becomes a predetermined value. It is possible to provide a method of wire electric discharge machining, the productivity of which is high, suitable for highly accurate machining.
摘要翻译： 一种在线电极（1a）和工件（2）之间的间隙中产生放电以便加工工件（2）的放电加工的放线加工方法包括以下步骤：第一步骤，其中 电介质液体（4a）中进行放电加工。 进行放电加工的第二步骤（7）; 以及在气体（8）中进行放电加工的第三步骤，使得当所述工件（2）的直线度达到预定值时，所述加工过程被切换。 可以提供一种线材放电加工的方法，其生产率高，适合于高精度的加工。
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公开(公告)号：US06294748B1
公开(公告)日：2001-09-25
申请号：US09462161
申请日：2000-01-05
申请人： Toshio Moro , Seiji Satou
发明人： Toshio Moro , Seiji Satou
IPC分类号： B23H100
摘要： A wire electrical discharge machine having an upper wire guide and a lower wire guide through which a wire electrode is passed and which have therein channels for the working fluid to flow therethrough, including: ajet nozzle which is engaged with and fixed to an outer peripheral surface of a distal end portion of the upper wire guide, and is adapted to guide the wire electrode to a hole in the lower wire guide through use of the fluid; a working fluid nozzle for covering the jet nozzle and having a through hole in a central portion thereof and a collar portion in a periphery thereof; a retaining plate for fixing an outer peripheral portion of the working fluid nozzle including the collar portion, and the retaining plate having a channel for supplying and discharging the fluid; and a sealed space portion which is disposed between the collar portion of the working fluid nozzle and the retaining plate and expands and contracts due to the fluid which flows in or out through the channel.
摘要翻译： 一种线放电机，具有上线引导件和下引线引导件，线电极通过该导线引导件和下引线引导件，其中具有用于工作流体流过其中的通道，包括：喷嘴，其与外周表面接合并固定 上导线引导件的远端部分，并且适于通过使用流体将线电极引导到下导线器中的孔; 用于覆盖喷嘴并在其中心部分具有通孔的工作流体喷嘴和其周边中的凸缘部分; 用于固定包括所述套环部分的工作流体喷嘴的外围部分的保持板，并且所述保持板具有用于供应和排出流体的通道; 以及设置在工作流体喷嘴的轴环部分和保持板之间的密封空间部分，并且由于通过通道流入或流出的流体而膨胀和收缩。
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8.发明授权公开(公告)号：US09272349B2
公开(公告)日：2016-03-01
申请号：US13574521
申请日：2010-01-22
摘要： A numerical control device for a wire electric discharge machining apparatus generates a wire-breakage sign signal, outputs a machining-condition re-setting instruction and wire-breakage threshold re-setting instruction from the wire-breakage sign signal and wire-breakage threshold, sets the wire-breakage threshold according to the wire-breakage threshold re-setting instruction and a wire-breakage signal, calculates a machining energy from a discharge pulse count, measures a machining speed from position information, calculates a board thickness of the workpiece from the machining energy and machining speed, outputs, according to a predetermined algorithm, a machining-condition switching instruction from the board thickness, the machining-condition re-setting instruction, and the wire-breakage signal, sends an oscillation instruction to a oscillator and sends a shaft feed instruction to a servo amplifier so that the machining condition is set to one determined by the machining-condition switching instruction, and stores the machining condition and wire-breakage threshold that correspond to each board thickness.
摘要翻译： 一种电线放电加工装置的数控装置生成断线信号，从断线符号信号和断线阈值输出加工条件重新设定指令和断线阈值重新设定指令， 根据断线阈值重新设置指令和断线信号设置断线阈值，从放电脉冲计数中计算加工能量，从位置信息测量加工速度，计算工件的板厚度 加工能量和加工速度，根据预定算法，从板厚度，加工条件重新设定指令和断线信号输出加工条件切换指令，向振荡器发送振荡指令， 向伺服放大器发送轴进给指令，使加工条件设定为由加工条件确定的加工条件 n切换指令，并存储对应于每个板厚度的加工条件和断线阈值。
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9.发明授权公开(公告)号：US06713705B1
公开(公告)日：2004-03-30
申请号：US10148545
申请日：2002-06-04
申请人： Seiji Satou , Akihiro Goto
发明人： Seiji Satou , Akihiro Goto
IPC分类号： B23H702
摘要： A workpiece is machined by consecutively performing at least two of machining in a machining solution, machining in a mist and machining in a gas, such that at a point of time before the start of machining, except for the machining conducted in the machining solution, and a point of time after the operation of an automatic wire connecting device for conducting an automatic wire connection while the wire electrode is being held by a water column, the machining solution nozzles, can change from supplying the machining solution to supplying the pressurized gas. By the machining solution nozzles, liquid of the machining solution adhering to the workpiece and liquid adhering to the machining solution nozzle which is capable of dripping onto a face to be machined of the workpiece, are removed.
摘要翻译： 通过连续执行加工溶液中的加工中的至少两个，在雾中进行加工和气体加工中的至少两个加工，使得在加工开始之前的时间点，除了在加工溶液中进行的加工之外， 以及在线电极被水柱保持的情况下，用于进行自动线连接的自动线连接装置的操作后的时间点，加工液喷嘴可以从供给加压溶液到供给加压气体而变化。 通过加工溶液喷嘴，去除附着在工件上的加工液的液体和附着在能够滴加到被加工面上的加工液喷嘴的液体。
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公开(公告)号：US06660957B1
公开(公告)日：2003-12-09
申请号：US09958649
申请日：2001-10-11
申请人： Hiroyuki Ohguro , Seiji Satou , Akihiko Iwata , Akihiro Suzuki
发明人： Hiroyuki Ohguro , Seiji Satou , Akihiko Iwata , Akihiro Suzuki
IPC分类号： B23H102
CPC分类号： B23H1/022 , B23H2300/20
摘要： A power supply apparatus for electric discharge machining is provided with a current loop including a diode, which is supplied with a forward current at the same time a voltage for generating a discharge is output or before it; and a resistor. Supply of forward current to the diode is blocked the moment a discharge is generated. By doing so, a reverse recovery current of the diode is supplied in a gap between an electrode and a workpiece to be machined.
摘要翻译： 用于放电加工的电源装置设置有包括二极管的电流回路，该二极管同时被供给正向电流，用于产生放电的电压被输出或在其之前; 和电阻。 向二极管提供正向电流在产生放电的时刻被阻止。 通过这样做，二极管的反向恢复电流被提供在电极和待加工的工件之间的间隙中。
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