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1. 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。

2. 发明授权

US5837957A Electric discharge machining apparatus 失效
标题翻译：放电加工机
公开(公告)号：US5837957A
公开(公告)日：1998-11-17
申请号：US807866
申请日：1997-02-26
申请人： Tatsushi Sato , Yoshihito Imai , Tomoko Sendai , Hidetaka Miyake , Takashi Yuzawa , Takuji Magara
发明人： Tatsushi Sato , Yoshihito Imai , Tomoko Sendai , Hidetaka Miyake , Takashi Yuzawa , Takuji Magara
IPC分类号： B23H1/04 , B23H1/06 , C04B35/52
CPC分类号： B23H1/04 , B23H1/06
摘要： An electric discharge machining apparatus in which at least either of a tool electrode or a workpiece is made of an anisotropic conductive material, includes, on a good conductive surface 20b of the anisotropic conductive material 2, a portion for connecting an isotropic conductive member 22. Electric discharge is generated on the good conductive surface 20b of the anisotropic conductive material 2. A conductive adhesive agent 23 is employed to bond the anisotropic conductive material 2 and the isotropic conductive member 22 to each other. The anisotropic conductive material is a pyrocarbon material. The pyrocarbon heat resolved carbon material is employed as a tool electrode material. Incombustible dielectric fluid, such as pure water, is employed as dielectric fluid. Moreover, there are provided apparatus for measuring voltage during electric discharge, apparatus for setting a threshold value for use to determine whether the electric discharge is normal electric discharge or abnormal electric discharge and apparatus for interrupting supply of a discharge current in a case where the measured discharge voltage is higher than the threshold value.
摘要翻译：一种放电加工装置，其中工具电极或工件中的至少一个由各向异性导电材料制成，在各向异性导电材料2的良导电表面20b上包括用于连接各向同性导电部件22的部分。在各向异性导电材料2的良好导电表面20b上产生放电。使用导电粘合剂23将各向异性导电材料2和各向同性导电构件22彼此接合。各向异性导电材料是热解碳材料。热解碳碳材料用作工具电极材料。不可燃介质流体，例如纯水，被用作介电流体。此外，还提供了用于在放电期间测量电压的装置，用于设定用于确定放电是正常放电还是异常放电的阈值的装置以及在所测量的情况下中断放电电流的供应的装置放电电压高于阈值。

3. 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。

4. 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。

5. 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。

6. 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。

7. 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。

8. 发明授权

US5756956A Wire-cut electric discharge machining apparatus and control method therefor 失效
标题翻译：线切割放电加工装置及其控制方法
公开(公告)号：US5756956A
公开(公告)日：1998-05-26
申请号：US531076
申请日：1995-09-20
申请人： Seiji Sato , Hisashi Yamada , Takuji Magara , Yoshihito Imai , Tatsushi Sato
发明人： Seiji Sato , Hisashi Yamada , Takuji Magara , Yoshihito Imai , Tatsushi Sato
IPC分类号： B23H1/02 , B23H7/02 , B23H7/04
CPC分类号： B23H7/04
摘要： A wire-cut electric discharge machining apparatus and a control method for the wire-cut EDM apparatus. The amount of current pulses supplied to a machining gap can be measured precisely without a detection delay to thereby detect the occurrence of faulty machining such as wire electrode breakage and centralized arcs.
摘要翻译：一种线切割放电加工装置以及用于线切割EDM装置的控制方法。提供给加工间隙的电流脉冲量可以精确测量而没有检测延迟，从而检测线电极断裂和集中电弧等故障加工的发生。

9. 发明授权

US06946615B2 Method and system for electric discharge machining insulating material or high resistance material 失效
标题翻译：放电加工绝缘材料或高电阻材料的方法和系统
公开(公告)号：US06946615B2
公开(公告)日：2005-09-20
申请号：US10472384
申请日：2002-01-24
申请人： Naotake Mohri , Yasushi Fukuzawa , Akihiro Goto , Takuji Magara
发明人： Naotake Mohri , Yasushi Fukuzawa , Akihiro Goto , Takuji Magara
IPC分类号： B23H1/02 , B23H9/00
CPC分类号： B23H1/022 , B23H1/02 , B23H9/00
摘要： An electric discharge machine for machining a workpiece (2a) made of insulating material or other materials comprises: a first comparison member (17) for comparing voltage (V) between the electrodes of the electrode (1) and the workpiece (2a) with the first reference voltage (V1) which is set at a value close to electric power source voltage (V0) not higher than electric power source voltage (V0); a second comparison member (18) for comparing voltage (V) between the electrodes with the second reference voltage (V2) which is set at a value lower than the first reference voltage (V1); and a control member (19) for setting a short electric discharge pulse width (TP1) in the case where voltage (V) between the electrodes is lower than the second reference voltage (V2) according to the result of comparison conducted by the second comparison member (18) at a point of time when a predetermined period of time (T0) has passed from the time when voltage (V) between the electrodes becomes lower than the first reference voltage (V1) according to the result of comparison conducted by the first comparison member (17), and for setting a long electric discharge pulse width (TP2) in the case where the voltage between the electrodes is higher than the second reference voltage (V2). This electric discharge machine is capable of stabilizing the machining of the workpiece (2a) made of insulating material or other materials and also capable of enhancing quality of a machined face.
摘要翻译：一种用于加工由绝缘材料或其他材料制成的工件（2a）的放电机包括：用于比较电极（1）的电极和工件（2a）之间的电压（V）的第一比较部件（17）其中第一参考电压（V SUB1）被设置为接近不高于电源电压（V 0）的值 > 0 ）; 用于将电极之间的电压（V）与设定在低于第一参考电压（V 1）的值的第二参考电压（V SUB2）进行比较的第二比较部件（18））; 以及在电极之间的电压（V）低于第二参考电压（V 2）的情况下，用于设定短放电脉冲宽度（T P1 P1）的控制部件（19）根据由第二比较构件（18）在从电压（V）的时间（T 0> 0）的时刻经过预定时间段（T 0> 0 < 根据由第一比较部件（17）进行的比较的结果，电极之间的V（V）变得低于第一参考电压（V SUB），并且设定长的放电脉冲宽度（T 在电极之间的电压高于第二参考电压（V SUB 2）的情况下，P2 ）。该放电机能够稳定由绝缘材料或其他材料制成的工件（2a）的加工，并且还能够提高加工面的质量。

10. 发明授权

US5858479A Surface treating method by electric discharge 失效
标题翻译：表面处理方法放电
公开(公告)号：US5858479A
公开(公告)日：1999-01-12
申请号：US783675
申请日：1997-01-15
申请人： Nagao Saito , Naotake Mouri , Hirotaka Sunada , Takuji Magara , Akihiro Goto
发明人： Nagao Saito , Naotake Mouri , Hirotaka Sunada , Takuji Magara , Akihiro Goto
IPC分类号： C23C26/00 , H01T14/00
CPC分类号： C23C26/00
摘要： A surface treating method uses an electric discharge machining to form a coating layer having strong adhesion and excellent characteristics on a metal surface such as a hard metal. A discharge electrode is formed by powders containing metal hydride. Electric discharge is generated in a working fluid containing carbon between the discharge electrode and a workpiece. Thus, a coating layer of the metal hydride is formed on a surface of the workpiece.
摘要翻译：表面处理方法使用放电加工来形成在金属表面如硬质金属上具有强粘附性和优异特性的涂层。放电电极由含有金属氢化物的粉末形成。在放电电极和工件之间的含有碳的工作流体中产生放电。因此，在工件的表面上形成金属氢化物的涂层。

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