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1. 发明授权

US5496984A Electrical discharge machine and machining method therefor 失效
标题翻译：放电机及其加工方法
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
IPC分类号： B23H1/02 , B23H7/16
CPC分类号： B23H1/024 , B23H7/16
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。

2. 发明授权

US5919380A Three-dimensional electrical discharge machining method and apparatus utilizing NC control 失效
标题翻译：采用NC控制的三维放电加工方法和装置
公开(公告)号：US5919380A
公开(公告)日：1999-07-06
申请号：US606978
申请日：1996-02-26
申请人： Takuji Magara , Akihiro Goto , Yoshihito Imai , Tomoko Sendai , Tatsushi Sato , Hidetaka Miyake
发明人： Takuji Magara , Akihiro Goto , Yoshihito Imai , Tomoko Sendai , Tatsushi Sato , Hidetaka Miyake
IPC分类号： B23H1/04 , B23H7/06 , B23H7/20 , B23H7/26 , B23H7/30 , B23H1/00 , B23H7/28
CPC分类号： B23H7/065 , B23H7/20 , B23H7/30 , B23H2400/10
摘要： To obtain high machining speed and machining accuracy in three-dimensional machining by using of an electrode of simple shape. Applying voltage between an electrode of simple shape and a workpiece, performing three-dimensional control by an NC control while synthesizing a feed of a Z-axis direction for correcting longitudinal consumed amount of an electrode with an X-Y plane feed, storing amount equivalent to an X-Y moving distance in an X-Y plane corresponding to correcting moving amount of the Z-axis direction in an electrical discharge machining method for machining a desired three-dimensional shape and performing a feed of correcting moving amount in the Z-axis direction each time a moving distance in the X-Y plane on a moving locus during machining reaches the above stored amount.
摘要翻译：通过使用简单形状的电极在三维加工中获得高加工速度和加工精度。在简单形状的电极和工件之间施加电压，在通过XY平面进给合成用于校正电极的纵向消耗量的Z轴方向的进给的同时，通过NC控制进行三维控制，相当于在用于加工所需三维形状的放电加工方法中对应于校正Z轴方向的移动量的XY平面中的XY移动距离，并且每次移动时执行Z轴方向上的校正移动量的馈送加工过程中移动轨迹上的XY平面上的距离达到上述存储量。

3. 发明授权

US06930273B2 Power supply unit for wire electrical discharge machining and method of wire electrical discharge machining 有权
标题翻译：电线放电加工用电源单元和电线放电加工方法
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
IPC分类号： B23H1/02 , B23H7/00 , B23H7/04 , C01F11/18 , C05D3/02 , C09C1/02 , B23H7/14
CPC分类号： B23H7/04 , B23H1/022
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。

4. 发明授权

US6086684A Electric discharge surface treating method and apparatus 失效
标题翻译：放电表面处理方法及装置
公开(公告)号：US6086684A
公开(公告)日：2000-07-11
申请号：US88658
申请日：1998-06-02
申请人： Nagao Saito , Naotake Mohri , Yoshiki Tsunekawa , Kohei Shimamoto , Akihiro Goto , Takuji Magara , Yoshihito Imai , Hidetaka Miyake
发明人： Nagao Saito , Naotake Mohri , Yoshiki Tsunekawa , Kohei Shimamoto , Akihiro Goto , Takuji Magara , Yoshihito Imai , Hidetaka Miyake
IPC分类号： C23C8/02 , C23C8/36 , C23C26/00 , C23C30/00 , C23C4/10 , C23C4/00 , C23C8/24 , C23C8/26
CPC分类号： C23C30/005 , C23C26/00 , C23C8/02 , C23C8/36
摘要： A surface treating is performed by an electric discharge. The electric discharge is generated by applying a voltage between an electrode and a metal workpiece. The electrode is a solid or green compact electrode or the like which is made of a reforming material. The workpiece may be an end mill or the like. Then, a coating layer is formed on a surface of the metal workpiece. Thereafter, a nitriding treatment is performed on the coating layer in a nitriding vessel or the like. Thus, a hard coating layer of better quality is formed on the surface of the workpiece whether a material of the workpiece is steel or hard metal.
摘要翻译：表面处理通过放电进行。通过在电极和金属工件之间施加电压来产生放电。电极是由重整材料制成的固体或绿色致密电极等。工件可以是立铣刀等。然后，在金属工件的表面上形成涂层。此后，在氮化容器等中的涂层上进行氮化处理。因此，无论工件的材料是钢还是硬金属，都在工件的表面上形成质量更好的硬涂层。

5. 发明授权

US06614234B1 Electric discharge machine 失效
标题翻译：放电机
公开(公告)号：US06614234B1
公开(公告)日：2003-09-02
申请号：US09653345
申请日：2000-08-31
申请人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
发明人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
IPC分类号： G01N2760
CPC分类号： B23H7/18
摘要： An electric discharge machine for machining a workpiece by an electric discharge by supplying a machining fluid to a gap between an electrode and the workpiece and supplying pulses to the workpiece while providing the electrode with a jump motion, the jump motion being a periodic motion of the electrode relative to the workpiece; wherein the electric discharge machine detects a state quantity caused in a main body of the electric discharge machine by a reactive force produced by a machining operation in the gap between the electrode and the workpiece and changes machining conditions of the workpiece in accordance with a detected value of the state quantity.
摘要翻译：一种放电机，用于通过向电极和工件之间的间隙提供加工流体，通过放电来加工工件，并且在向电极提供跳跃运动的同时向工件提供脉冲，跳跃运动是周期性运动电极相对于工件; 其特征在于，所述放电加工机通过在所述电极和所述工件之间的间隙中的加工操作产生的反作用力来检测在所述放电加工机的主体中产生的状态量，并根据检测值改变所述工件的加工条件的国家数量。

6. 发明授权

US6147500A EDM with jump motion detecting reactive force 有权
标题翻译： EDM具有跳跃运动检测反作用力
公开(公告)号：US6147500A
公开(公告)日：2000-11-14
申请号：US396456
申请日：1999-09-15
申请人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
发明人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
IPC分类号： B23H1/02 , B23H7/18 , G01N27/60
CPC分类号： B23H7/18
摘要： An electric discharge machine for machining a workpiece by an electric discharge by supplying a machining fluid to a gap between an electrode and the workpiece and supplying pulses to the workpiece while providing the electrode with a jump motion having a periodic motion of the electrode relative to the workpiece; wherein the electric discharge machine detects a state quantity caused in a main body of the electric discharge machine by a reactive force produced by a machining operation in the gap between the electrode and the workpiece and changes machining conditions of the workpiece in accordance with a detected value of the state quantity.
摘要翻译：一种放电机，用于通过将电机和工件之间的间隙供给加工流体并向工件供给脉冲，同时为电极提供具有电极相对于电极的周期运动的跳跃运动，通过放电来加工工件工件; 其特征在于，所述放电加工机通过在所述电极和所述工件之间的间隙中的加工操作产生的反作用力来检测在所述放电加工机的主体中产生的状态量，并根据检测值改变所述工件的加工条件的国家数量。

7. 发明授权

US5973498A EDM with jump motion detecting reactive force 失效
标题翻译： EDM具有跳跃运动检测反作用力
公开(公告)号：US5973498A
公开(公告)日：1999-10-26
申请号：US568682
申请日：1995-12-07
申请人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
发明人： Yoshihito Imai , Hidetaka Miyake , Takuji Magara , Akihiro Goto
IPC分类号： B23H1/02 , B23H7/18 , G01N27/60
CPC分类号： B23H7/18
摘要： An electric discharge machine for machining a workpiece by an electric discharge by supplying a machining fluid to a gap between an electrode and the workpiece and supplying pulses to the workpiece while providing the electrode with a jump motion, said jump motion being a periodic motion of the electrode relative to the workpiece; wherein said electric discharge machine detects a state quantity caused in a main body of the electric discharge machine by a reactive force produced by a machining operation in the gap between the electrode and the workpiece and changes machining conditions of the workpiece in accordance with a detected value of the state quantity.
摘要翻译：一种放电加工机，其特征在于，通过向电极和工件之间的间隙供给加工液，通过放电对工件进行加工，同时向所述工件供给脉冲，同时向所述电极提供跳动，所述跳跃运动为电极相对于工件; 其特征在于，所述放电加工机由电极和工件之间的间隙中的加工操作产生的反作用力来检测放电加工机主体的状态量，并根据检测值改变工件的加工条件的国家数量。

8. 发明授权

US5804789A Surface treating method and apparatus by electric discharge machining 失效
标题翻译：表面处理方法和放电加工装置
公开(公告)号：US5804789A
公开(公告)日：1998-09-08
申请号：US796138
申请日：1997-02-06
申请人： Nagao Saito , Naotake Mouri , Hidetaka Miyake , Yoshihito Imai , Takuji Magara , Akihiro Goto
发明人： Nagao Saito , Naotake Mouri , Hidetaka Miyake , Yoshihito Imai , Takuji Magara , Akihiro Goto
IPC分类号： B23H9/00 , C23C26/00 , B23H1/00
CPC分类号： C23C26/00
摘要： A surface treating apparatus rotates a rotating tool and moves a surface treating electrode relative to the tool via a rotating shaft driver and a Z-axis driver. A power source applies voltage to generate an electric discharge between the tool and the electrode, thereby forming a reforming layer on a peripheral flank and a rake face of the tool.
摘要翻译：表面处理装置旋转旋转工具并经由旋转轴驱动器和Z轴驱动器相对于工具移动表面处理电极。电源施加电压以在工具和电极之间产生放电，从而在工具的外周侧面和前刀面上形成重整层。

9. 发明授权

US06730872B2 Method of and apparatus for wire electric-discharge machining 有权
标题翻译：线放电加工方法及装置
公开(公告)号：US06730872B2
公开(公告)日：2004-05-04
申请号：US10132400
申请日：2002-04-26
申请人： Akihiro Goto , Tatsushi Sato , Toshio Nakashima , Junichi Shibata
发明人： Akihiro Goto , Tatsushi Sato , Toshio Nakashima , Junichi Shibata
IPC分类号： B23H102
CPC分类号： B23H7/065
摘要： The wire electric-discharge machining apparatus is provided with an inter-pole voltage correction unit 109 which corrects a voltage corresponding to an inter-pole voltage according to a correction coefficient which increases with an elongation of discharge stop time. A corrected voltage corresponding to the inter-pole voltage output from the inter-pole voltage correction unit 109 is given to a control unit 106 to allow a wire electrode 101 and a workpiece 102 to relatively move according to the corrected voltage corresponding to the inter-pole voltage.
摘要翻译：线放电加工装置设置有极间电压校正单元109，其根据随着放电停止时间的延长而增加的校正系数校正与极间电压对应的电压。将对应于从极极电压校正单元109输出的极间电压的校正电压提供给控制单元106，以允许线电极101和工件102根据对应于间极电压的校正电压相对移动，极电压。

10. 发明授权

US5603852A Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation 失效
标题翻译：在电极跳跃操作期间施加相反极性电压的放电机
公开(公告)号：US5603852A
公开(公告)日：1997-02-18
申请号：US534310
申请日：1995-09-27
申请人： Akihiro Goto , Mitsuyoshi Wada , Yoshio Ozaki
发明人： Akihiro Goto , Mitsuyoshi Wada , Yoshio Ozaki
IPC分类号： B23H1/02 , B23H7/16 , B23H11/00
CPC分类号： B23H11/00 , B23H1/02 , B23H1/022 , B23H1/024 , B23H7/16
摘要： A machining pulse control apparatus applies a first polarity pulse voltage during a machining operation and a second opposite polarity voltage in a machining stop period in which the electrode is moved away from and toward the workpiece during a jump operation. Preferably, the second opposite polarity is applied for a period of time sufficient to maintain the voltage across the machining gap at zero voltage. The amount of direct current voltage applied during the jump operation is adaptively controlled.
摘要翻译：加工脉冲控制装置在加工操作期间施加第一极性脉冲电压，在加工停止期间施加第二极性电压，其中在跳跃操作期间电极远离工件并朝向工件移动。优选地，将第二相反极性施加足以将加工间隙两端的电压维持在零电压的时间段。在跳跃操作期间施加的直流电压的量被自适应地控制。

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