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11. 发明申请

US20130043217A1 WORKPIECE RETAINER, WIRE ELECTRIC DISCHARGE MACHINING DEVICE, THIN-PLATE MANUFACTURING METHOD, AND SEMICONDUCTOR-WAFER MANUFACTURING METHOD 有权
标题翻译：工作保持器，电线放电加工装置，薄板制造方法和半导体制造方法
公开(公告)号：US20130043217A1
公开(公告)日：2013-02-21
申请号：US13695716
申请日：2011-03-23
申请人： Takashi Yuzawa , Hidetaka Miyake , Tatsushi Sato , Atsushi Itokazu
发明人： Takashi Yuzawa , Hidetaka Miyake , Tatsushi Sato , Atsushi Itokazu
IPC分类号： B23H1/00
CPC分类号： B23H11/003 , B23H7/02 , B23H9/00
摘要： A workpiece retainer retains a workpiece at a time of a cutting process by a wire electric discharge machining device that cuts a workpiece by electric discharge from wire electrodes that are spaced from each other and are arranged in parallel. The workpiece retainer is formed with a fitting portion, into which the workpiece is fitted substantially without any gap, and has an external shape such that at a time of cutting the workpiece retainer together with the workpiece fitted in the fitting portion, a length along the wire electrodes of a portion where the workpiece retainer and the workpiece face the wire electrodes becomes substantially constant during the cutting process of the workpiece.
摘要翻译：工件保持器通过线电火花加工装置在切割加工时保持工件，该线材放电加工装置通过从彼此间隔开并且平行布置的线电极放电而切割工件。工件保持器形成有嵌合部，工件基本上没有任何间隙地装配在该嵌合部中，并且具有外部形状，使得在与被安装在装配部中的工件一起切割工件保持器时，沿着工件保持器和工件面对线电极的部分的线电极在工件的切割过程中变得基本恒定。

12. 发明申请

US20060163210A1 Electrical discharge machining apparatus 有权
标题翻译：放电加工机
公开(公告)号：US20060163210A1
公开(公告)日：2006-07-27
申请号：US10546987
申请日：2004-03-01
申请人： Yoshinori Asai , Mitsuyoshi Wada , Hidehiko Tanaka , Takashi Yuzawa
发明人： Yoshinori Asai , Mitsuyoshi Wada , Hidehiko Tanaka , Takashi Yuzawa
IPC分类号： B23H1/02 , B23H7/20
CPC分类号： B23H1/02 , B23H7/18 , B23H7/20
摘要： An electric-discharge machining apparatus for machining a workpiece by an electric discharge generated between a machining electrode and the workpiece, includes a correcting unit that corrects a machining amount input for machining the workpiece, based on a usage history of the machining electrode; and a control unit that controls a machining processing on the workpiece based on the machining amount corrected.
摘要翻译：一种用于通过在加工电极和工件之间产生的放电来加工工件的放电加工装置，包括：校正单元，其基于加工电极的使用历史校正用于加工工件的加工量输入; 以及控制单元，其基于校正的加工量来控制对所述工件的加工处理。

13. 发明授权

US06566823B2 Discharge pulse generator 有权
标题翻译：放电脉冲发生器
公开(公告)号：US06566823B2
公开(公告)日：2003-05-20
申请号：US10019128
申请日：2001-12-27
申请人： Yoshihide Kinbara , Takashi Yuzawa , Hajime Ogawa
发明人： Yoshihide Kinbara , Takashi Yuzawa , Hajime Ogawa
IPC分类号： H05B4124
CPC分类号： H03K3/53 , B23H1/022 , B23H2300/20 , B23H2300/22
摘要： A discharge pulse generator for supplying power between a pair of electrodes (1 and 2), comprises a distribution constant line (8) of a predetermined length being connected at one termination to the electrodes (1 and 2), charging means (16) being connected to the distribution constant line (8) for charging the capacitance of the distribution constant line (8), rectification means (13) being connected to an opposite termination of the above-mentioned distribution constant line (8) in a direction in which no current flows relative to voltage of the above-mentioned charging means (16), and a resistor (10) being connected in series to the above-mentioned rectification means (13) and having a resistance value equal to the characteristic impedance of the above-mentioned distribution constant line (8). For example, to use the discharge pulse generator for electric discharge machining, a workpiece can be worked on with higher accuracy and higher quality at higher speed.
摘要翻译：一种用于在一对电极（1和2）之间供电的放电脉冲发生器包括一个预定长度的分布常数线（8），其一端连接到电极（1和2），充电装置（16）为连接到用于对分布常数线（8）的电容进行充电的分布常数线（8），整流装置（13）在不存在的方向上连接到上述分布常数线（8）的相反端子电流相对于上述充电装置（16）的电压流动，并且电阻器（10）与上述整流装置（13）串联连接并且具有与上述充电装置（16）的特性阻抗相等的电阻值，上述分布常数线（8）。例如，为了使用放电脉冲发生器进行放电加工，可以以更高的速度以更高的精度和更高的质量加工工件。

14. 发明授权

US06385501B1 Electric discharge machining control method and electric discharge machining controller 失效
标题翻译：放电加工控制方法和放电加工控制器
公开(公告)号：US06385501B1
公开(公告)日：2002-05-07
申请号：US09423388
申请日：1999-11-08
申请人： Yoshihito Imai , Takayuki Nakagawa , Takashi Yuzawa
发明人： Yoshihito Imai , Takayuki Nakagawa , Takashi Yuzawa
IPC分类号： G06F1900
CPC分类号： B23H7/18 , B23H7/20
摘要： An error signal is obtained from a reference value and a value indicating a detected state in machining, a first controlled variable is obtained by adding a value obtained by multiplying the error signal by a proportion gain to a value obtained by multiplying the error signal by a first integration gain, a second controlled variable is obtained by multiplying an instruction value by a second integration gain for integration, and a value obtained by adding the first controlled variable to the second controlled variable and multiplying the sum by a machining trajectory vector is used as a controlled variable for a driving unit for adjusting a distance between an electrode and a workpiece in discharge machining. Therefore, it is possible to realize a discharge machining control method and apparatus in which the machining speed can be improved by always maintaining the discharge machining process in an optimal state.
摘要翻译：从参考值和表示加工中的检测状态的值获得误差信号，通过将通过将误差信号乘以比例增益而获得的值与通过将误差信号相乘而获得的值相加来获得第一受控变量第一积分增益，通过将指令值乘以用于积分的第二积分增益来获得第二受控变量，并将通过将第一受控变量加到第二受控变量并将和乘以加工轨迹矢量而获得的值用作用于在放电加工中用于调节电极和工件之间的距离的驱动单元的受控变量。因此，可以实现通过始终将放电加工处理保持在最佳状态来提高加工速度的放电加工控制方法和装置。

15. 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。

16. 发明授权

US09833854B2 Workpiece retainer, wire electric discharge machining device, thin-plate manufacturing method, and semiconductor-wafer manufacturing method 有权
公开(公告)号：US09833854B2
公开(公告)日：2017-12-05
申请号：US13695716
申请日：2011-03-23
申请人： Takashi Yuzawa , Hidetaka Miyake , Tatsushi Sato , Atsushi Itokazu
发明人： Takashi Yuzawa , Hidetaka Miyake , Tatsushi Sato , Atsushi Itokazu
IPC分类号： B23H1/02 , B23H7/04 , B23H7/00 , B23H7/02 , B23H11/00 , B23H9/00
CPC分类号： B23H11/003 , B23H7/02 , B23H9/00
摘要： A workpiece retainer retains a workpiece at a time of a cutting process by a wire electric discharge machining device that cuts a workpiece by electric discharge from wire electrodes that are spaced from each other and are arranged in parallel. The workpiece retainer is formed with a fitting portion, into which the workpiece is fitted substantially without any gap, and has an external shape such that at a time of cutting the workpiece retainer together with the workpiece fitted in the fitting portion, a length along the wire electrodes of a portion where the workpiece retainer and the workpiece face the wire electrodes becomes substantially constant during the cutting process of the workpiece.

17. 发明授权

US08642915B2 Wire electric discharge machining apparatus 有权
标题翻译：线放电加工机
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。

18. 发明申请

US20120255934A1 LIQUID-QUALITY ADJUSTING APPARATUS, LIQUID-QUALITY ADJUSTING METHOD, AND WIRE ELECTRIC DISCHARGE MACHINING APPARATUS 有权
标题翻译：液体质量调节装置，液体质量调节方法和电线放电加工装置
公开(公告)号：US20120255934A1
公开(公告)日：2012-10-11
申请号：US13516339
申请日：2009-12-18
申请人： Tamayo Ohata , Tatsushi Sato , Hironori Kuriki , Hisakatsu Kawarai , Jyunji Tanimura , Takashi Yuzawa
发明人： Tamayo Ohata , Tatsushi Sato , Hironori Kuriki , Hisakatsu Kawarai , Jyunji Tanimura , Takashi Yuzawa
IPC分类号： B23H1/10 , C02F1/42
CPC分类号： B23H7/10 , B23H1/10 , B23H7/02
摘要： The liquid-quality adjusting apparatus of the present invention includes: a water purifying part that deionizes a machining liquid; an anticorrosive part that exchanges ions in the machining liquid with anticorrosive ions; a conductivity measuring part that measures a measured value of conductivity of the machining liquid; a storage part that stores in advance a first reference value and a second reference value which are an upper limit value and a lower limit value of conductivity applicable to machining, respectively, and a third reference value which is between the first reference value and the second reference value; and a control part that performs control on the basis of the reference values stored in the storage part and the measured value of the conductivity of the machining liquid measured by the conductivity measuring part.
摘要翻译：本发明的液体质量调节装置包括：将加工液体去离子的净水部; 用防腐离子交换加工液中的离子的防腐部分; 电导率测定部，测定加工液的导电率的测定值; 存储部，分别预先存储作为适用于机械加工的导电率的上限值和下限值的第一基准值和第二基准值，以及第一基准值和第二基准值之间的第三基准值参考值; 以及控制部，其基于存储在存储部中的参考值和由电导率测量部测量的加工液的电导率的测量值进行控制。

19. 发明申请

US20110226742A1 WIRE ELECTRIC DISCHARGE MACHINING APPARATUS 有权
标题翻译：电线放电加工设备
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。

20. 发明申请

US20090204272A1 POSITIONING DEVICE AND POSITIONING METHOD 有权
标题翻译：定位装置和定位方法
公开(公告)号：US20090204272A1
公开(公告)日：2009-08-13
申请号：US11814147
申请日：2005-01-19
申请人： Takashi Yuzawa
发明人： Takashi Yuzawa
IPC分类号： G05D1/10 , G01B11/14 , G06F19/00 , G01B11/03
CPC分类号： G05B19/404 , B23Q17/2485 , G05B19/27 , G05B2219/37125 , G05B2219/43115
摘要： A positioning device includes moving means (2) for relatively moving a positioning object (21) and length measuring means (8) for measuring the distance to the positioning object (21) in non-contact manner and outputting a detection signal if the positioning object (21) is detected only in a length measuring area within a predetermined range from any detection position, shaft control means for stopping the moving means (2) by detecting the detection signal from the length measuring means (8) and automatically correcting for an overshoot amount between the stop position and any detection position, when the moving means (2) relatively moves the positioning object (21) and the length measuring means (8), and positioning control means (11) for storing the coordinate value after the automatic correction by the shaft control means and performing the positioning based on the reference coordinate value.
摘要翻译：定位装置包括用于相对移动定位物（21）的移动装置（2）和用于以非接触方式测量到定位物（21）的距离的长度测量装置（8），并且如果定位对象（21）仅在来自任何检测位置的预定范围内的长度测量区域中检测到，用于通过检测来自长度测量装置（8）的检测信号来停止移动装置（2）的轴控制装置并自动校正过冲当移动装置（2）相对移动定位物（21）和长度测量装置（8）时，在停止位置和任何检测位置之间的量，以及用于存储自动校正后的坐标值的定位控制装置（11）通过轴控制装置，并且基于参考坐标值执行定位。

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