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1.发明授权公开(公告)号：US06930273B2
公开(公告)日：2005-08-16
申请号：US10297385
申请日：2001-01-23
申请人： Toshio Nakashima , Kouichirou Hattori , Yoshikazu Ukai , Atsushi Taneda , Akihiro Goto , Takashi Hashimoto
发明人： Toshio Nakashima , Kouichirou Hattori , Yoshikazu Ukai , Atsushi Taneda , Akihiro Goto , Takashi Hashimoto
摘要： A power supply unit for wire electrical discharge machining using an ac high-frequency power supply for applying an ac high-frequency voltage between a wire electrode (1a) and a workpiece (2) includes a high-frequency oscillation and amplification circuit (4) and a pulse power supply (5) which is an ac-high-frequency-voltage intermittently supplying unit for effecting the application of the ac high-frequency voltage between the electrode and the workpiece and a pause thereof. In wire electrical discharge machining using this power supply unit for wire electrical discharge machining, it is possible to suppress the vibration of the wire electrode (1a) due tog the electrostatic force acting between the wire electrode (1a) and the workpiece (2), making it possible to improve the straightness accuracy of a machined surface of the workpiece (2) and make surface roughness small.
摘要翻译： 使用用于在线电极（1a）和工件（2）之间施加交流高频电压的交流高频电源的放线加工用电源单元包括高频振荡放大电路（4） 以及脉冲电源（5），其是用于在电极和工件之间施加交流高频电压及其暂停的交流高频电压间歇供电单元。 在使用该电力供给单元进行电线放电加工的线放电加工中，能够抑制线电极（1a）与线电极（1a）和工件（2）之间的静电力的振动， 使得可以提高工件（2）的加工表面的平直度精度，并使表面粗糙度小。
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公开(公告)号：US5496984A
公开(公告)日：1996-03-05
申请号：US998840
申请日：1992-12-30
申请人： Akihiro Goto , Yoshio Ozaki , Atsushi Taneda , Tatsushi Sato , Yoshihito Imai
发明人： Akihiro Goto , Yoshio Ozaki , Atsushi Taneda , Tatsushi Sato , Yoshihito Imai
摘要： A method and apparatus for detecting and controlling the operation of an electric discharge machine for machining a workpiece. The machining is conducted by generating pulse discharges at a machining gap formed by a machining electrode and the workpiece opposed to each other. The alternating-current components or high frequency components of at least one of the current, voltage and impedance of the machining gap, the rectified components thereof, or amplitude, frequency or other signal characteristics thereof are detected and processed for control of the machining. The processing may include frequency analysis, pulse counting, threshold detection and the like using analog and digital processing.
摘要翻译： 一种用于检测和控制用于加工工件的放电加工机的操作的方法和装置。 通过在由加工电极和相对的工件形成的加工间隙产生脉冲放电来进行加工。 检测并处理加工间隙的电流，电压和阻抗，其整流分量或其振幅，频率或其它信号特性中的至少一个的交流分量或高频分量，以进行加工的控制。 该处理可以包括使用模拟和数字处理的频率分析，脉冲计数，阈值检测等。
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3.发明授权公开(公告)号：US06630641B2
公开(公告)日：2003-10-07
申请号：US09848344
申请日：2001-05-04
IPC分类号： B23H102
CPC分类号： B23H1/022 , B23H2300/20
摘要： An electric discharge machining apparatus includes a wire electrode for machining a workpiece, and a first voltage applying unit for applying a voltage pulse. The voltage pulse has a rise time longer than a discharge formative time lag when a rectangular voltage pulse is applied, when a distance between the workpiece and the wire is an average value in machining, and rises to the same voltage as the rectangular voltage pulse.
摘要翻译： 放电加工装置包括用于加工工件的线电极和用于施加电压脉冲的第一施加电压单元。 当施加矩形电压脉冲时，当工件和线之间的距离是加工中的平均值时，电压脉冲具有比放电形成时滞更长的上升时间，并且上升到与矩形电压脉冲相同的电压。
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公开(公告)号：US06806434B1
公开(公告)日：2004-10-19
申请号：US10296329
申请日：2002-11-22
申请人： Akihiro Suzuki , Akihiko Iwata , Takashi Hashimoto , Yoshikazu Tsunoda , Hideaki Hayashi , Atsushi Taneda
发明人： Akihiro Suzuki , Akihiko Iwata , Takashi Hashimoto , Yoshikazu Tsunoda , Hideaki Hayashi , Atsushi Taneda
IPC分类号： B23H102
CPC分类号： B23H1/022 , B23H2300/22
摘要： An electric discharge machine in which electric power for working is supplied between an electrode and workpiece by an electric power unit so as to generate electric discharge between the electrode and workpiece and conduct machining on the workpiece, the electric discharge machine having a voltage detector for detecting output voltage V of a DC electric power source of the electric power unit; a current detector for detecting output current I of the DC electric power source of the electric power unit; a calculator for calculating product V·I of V and I; and a controller for controlling output electric power of the electric power unit to be constant on the basis of a difference between a working command signal for giving a predetermined electric power command and V·I. Even when load impedance fluctuates, it is possible to suppress the fluctuation of electric discharge power, so that surface roughness on a machined face of the workpiece can be made uniform.
摘要翻译： 一种放电机，其中通过电力单元在电极和工件之间供应用于工作的电力，以在电极和工件之间产生放电并对工件进行加工，该放电机具有用于检测的电压检测器 电力单元的直流电源的输出电压V; 电流检测器，用于检测电力单元的直流电源的输出电流I; 用于计算V和I的乘积V.I的计算器; 以及控制器，用于基于用于给出预定电力指令的工作指令信号和V.I之间的差来控制电力单元的输出功率恒定。 即使负载阻抗波动，也可以抑制放电功率的波动，能够使加工面上的表面粗糙度均匀。
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公开(公告)号：US4990738A
公开(公告)日：1991-02-05
申请号：US457797
申请日：1990-02-27
申请人： Atsushi Taneda
发明人： Atsushi Taneda
IPC分类号： B23H7/10
CPC分类号： B23H7/10
摘要： In a wire cut electric discharge machine, a plurality of magnetic field generating coils are arranged on the path along which a wire electrode is introduced into a workpiece, currents different in phase from one another are applied to the magnetic field generating coils thus arranged, so that the wire electrode is driven by the electromagnetic induction caused by the shifting magnetic fields which are produced by the magnetic field generating coils, whereby the wire electrode is smoothly fed without deformation. The leakage of magnetic flux is reduced by using a wire electrode made of magnetic material. The magnetic field generating coils are wound coaxial with the wire electrode, or they are provided so as to form magnetic fields perpendicular to the direction of insertion of the wire electrode, whereby the resultant wire electrode feeding device is simple in structure, but can produce a strong force of driving the wire electrode.
摘要翻译： PCT No.PCT / JP89 / 00425 Sec。 371日期1990年2月27日第 102（e）1990年2月27日PCT PCT 1989年4月20日PCT。 出版物WO89 / 11372 日期：1989年11月30日。在线切割放电机中，多个磁场产生线圈被布置在线电极引入工件的路径上，相位不同的电流被施加到磁 这样布置的励磁发电线圈使得线电极被由磁场产生线圈产生的移动磁场引起的电磁感应驱动，从而线电极平稳地进给而不变形。 通过使用由磁性材料制成的线电极来减小磁通量的泄漏。 磁场产生线圈与线电极卷绕同轴，或者它们被设置成形成垂直于线电极插入方向的磁场，由此所得线电极馈送装置的结构简单，但可以产生 驱动线电极的强力。
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公开(公告)号：US5900165A
公开(公告)日：1999-05-04
申请号：US971714
申请日：1997-11-17
申请人： Atsushi Taneda
发明人： Atsushi Taneda
CPC分类号： B23H7/18
摘要： An electric discharge machine apparatus has a numeric control unit which can optimally set jumping conditions without forcing the user to perform any complicated setting operation. The numeric control unit calculates an optimal jumping velocity from a value indicating a machine-allowable load for the electric discharge machining apparatus, a machining area according to the electric discharge machining conditions, and a machining gap length computed from the electric discharge machining conditions. The machining area is computed by the ratio between the proceeding velocity in machining and a discharge pulse frequency. The machining gap length is computed according to the current value of a machining current pulse as well as to a voltage loaded to the machining gap.
摘要翻译： 放电机装置具有可以最佳地设定跳跃条件而不强迫用户执行复杂的设置操作的数字控制单元。 数值控制单元从表示放电加工装置的机器容许负荷的值，根据放电加工条件的加工面积和从放电加工条件计算出的加工间隙长度来计算最佳跳跃速度。 加工面积由加工进行速度与放电脉冲频率的比值计算。 加工间隙长度根据加工电流脉冲的当前值以及加载到加工间隙的电压来计算。
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7.发明授权公开(公告)号：US08829383B2
公开(公告)日：2014-09-09
申请号：US13002294
申请日：2008-07-03
申请人： Yasuo Onodera , Tamayo Ohata , Tatsushi Sato , Hidetaka Miyake , Takashi Yuzawa , Atsushi Taneda
发明人： Yasuo Onodera , Tamayo Ohata , Tatsushi Sato , Hidetaka Miyake , Takashi Yuzawa , Atsushi Taneda
CPC分类号： B23H7/065
摘要： Based on a discharging gap value and machining allowance value stored in a corner-control-information storing means 20, a speed-ratio calculating means 23 being a machining-volume calculating means calculates machining volumes of a straight line portion and a corner portion to calculate a volume ratio therebetween.A corner-portion-speed calculating means 24 calculates a machining feed speed at the corner portion based on a volume ratio calculated by the speed-ratio calculating means 23, and then outputs to a servo amplifier 8 on the basis of the length of a pre-corner section outputted by a pre-corner-section calculating means 21 and the length of a post-corner section outputted by a post-corner-section calculating means 22, instructions about machining feed speeds from entering the pre-corner section till getting out of the post-corner section.
摘要翻译： 根据存储在转角控制信息存储装置20中的排出间隙值和加工余量值，作为加工量计算装置的变速比计算装置23计算直线部分和拐角部分的加工量，以计算 其间的体积比。 角部分速度计算装置24基于由速比比计算装置23计算的体积比来计算拐角部分的加工进给速度，然后基于预加速度的长度输出到伺服放大器8 角部分计算装置21输出的转角部分和角点后计算装置22输出的角落后部分的长度，关于从进入角落前部分到加速进给速度的指令 的角落部分。
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8.发明申请公开(公告)号：US20110100959A1
公开(公告)日：2011-05-05
申请号：US13002294
申请日：2008-07-03
申请人： Yasuo Onodera , Tamayo Ohata , Tatsushi Sato , Hidetaka Miyake , Takashi Yuzawa , Atsushi Taneda
发明人： Yasuo Onodera , Tamayo Ohata , Tatsushi Sato , Hidetaka Miyake , Takashi Yuzawa , Atsushi Taneda
IPC分类号： B23H1/02
CPC分类号： B23H7/065
摘要： Based on a discharging gap value and machining allowance value stored in a corner-control-information storing means 20, a speed-ratio calculating means 23 being a machining-volume calculating means calculates machining volumes of a straight line portion and a corner portion to calculate a volume ratio therebetween.A corner-portion-speed calculating means 24 calculates a machining feed speed at the corner portion based on a volume ratio calculated by the speed-ratio calculating means 23, and then outputs to a servo amplifier 8 on the basis of the length of a pre-corner section outputted by a pre-corner-section calculating means 21 and the length of a post-corner section outputted by a post-corner-section calculating means 22, instructions about machining feed speeds from entering the pre-corner section till getting out of the post-corner section.
摘要翻译： 根据存储在转角控制信息存储装置20中的排出间隙值和加工余量值，作为加工量计算装置的变速比计算装置23计算直线部分和拐角部分的加工量，以计算 其间的体积比。 角部分速度计算装置24基于由速比比计算装置23计算的体积比来计算拐角部分的加工进给速度，然后基于预加速度的长度输出到伺服放大器8 角部分计算装置21输出的转角部分和角点后计算装置22输出的角落后部分的长度，关于从进入角落前部分到加速进给速度的指令 的角落部分。
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9.发明授权
公开(公告)号：US5539178A
公开(公告)日：1996-07-23
申请号：US151854
申请日：1993-11-15
CPC分类号： B23H1/022
摘要： In a power supply apparatus of an electrical discharge machine, a power supply high in efficiency and small in current ripple is provided to achieve a power supply reduced in size and price. In addition, a switching power supply system is used jointly to generate an optional waveform. A first switching device is switched on/off in an optional cycle under the control of a current command value signal corresponding to the waveform shape of a current pulse to be supplied to a machining gap, whereby an optional shape of current pulse is supplied to the machining gap and a current component which compensates for a current ripple generated by said switching at the time of supplying said current is superimposed on said optional shape of current pulse and is supplied to the machining gap.
摘要翻译： 在放电机的电源装置中，提供效率高，电流纹波小的电源，以实现电源尺寸和价格的降低。 此外，开关电源系统共同使用以产生可选的波形。 第一开关装置在与供给到加工间隙的电流脉冲的波形形状相对应的电流指令值信号的控制下，在可选择的周期内接通/断开，从而将可选形式的电流脉冲提供给 加工间隙和补偿在供给所述电流时由所述开关产生的电流纹波的电流分量叠加在所述可选形式的电流脉冲上，并被提供给加工间隙。
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10.发明授权
公开(公告)号：US5378866A
公开(公告)日：1995-01-03
申请号：US188851
申请日：1994-01-31
申请人： Atsushi Taneda
发明人： Atsushi Taneda
IPC分类号： B23H1/02
CPC分类号： B23H1/022
摘要： An electronic discharge machining system in which an electrode and workpiece are coupled between first and second power supply circuits. The first power supply circuit includes a DC power source, a switching element, and a current limiting resistor, which are controlled by a control circuit. The second power supply circuit includes a machining gap status detecting DC power supply, which is composed of a voltage source and a controllable output impedance, and a switching element, all of which are controlled by a control circuit. The secondary power supply circuit is controlled by the control circuit, which sets and controls the voltage source and/or the output impedance of the machining gap status detecting DC power supply in accordance with machining conditions, such as the voltage detected across the machining gap.
摘要翻译： 一种电子放电加工系统，其中电极和工件耦合在第一和第二电源电路之间。 第一电源电路包括由控制电路控制的直流电源，开关元件和限流电阻。 第二电源电路包括由电压源和可控输出阻抗构成的加工间隙状态检测直流电源和开关元件，所有这些都由控制电路控制。 二次电源电路由控制电路控制，该控制电路根据加工条件（例如在加工间隙中检测到的电压）来设置和控制加工间隙状态检测直流电源的电压源和/或输出阻抗。
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