专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US4698477A Electrical discharge machining apparatus with forced cooling system 失效
标题翻译：具有强制冷却系统的放电加工装置
公开(公告)号：US4698477A
公开(公告)日：1987-10-06
申请号：US741056
申请日：1985-06-04
申请人： Jun Aramaki , Toshiharu Karashima , Takuji Magara , Minoru Ushida
发明人： Jun Aramaki , Toshiharu Karashima , Takuji Magara , Minoru Ushida
IPC分类号： B23H11/00 , B23H1/00
CPC分类号： B23H11/00
摘要： An electrical discharge machining apparatus in which a workpiece is machined by generating an electrical discharge between the workpiece and a facing electrode immersed in a machining liquid. A blower is provided for forcing cooling air into the interior of a bed, a column, and a head of the apparatus to prevent thermal displacements between the electrode and the workpiece and thus ensure accurate machining. The blower may also be used to cool the machining liquid.
摘要翻译：一种放电加工装置，其中通过在工件和浸在加工液中的对置电极之间产生放电来加工工件。提供鼓风机用于迫使冷却空气进入设备的床，柱和头部的内部，以防止电极和工件之间的热位移，从而确保精确的加工。鼓风机也可用于冷却加工液体。

32. 发明授权

US07078645B2 Working liquid ejector of wire electric discharge machine 失效
标题翻译：线放电机工作液体喷射器
公开(公告)号：US07078645B2
公开(公告)日：2006-07-18
申请号：US10499946
申请日：2002-03-28
申请人： Hisashi Yamada , Ryogo Koba , Takuji Magara , Masao Akiyoshi
发明人： Hisashi Yamada , Ryogo Koba , Takuji Magara , Masao Akiyoshi
IPC分类号： B23H7/10
CPC分类号： B23H7/101
摘要： A machining-fluid ejection device for a wire electric discharge machining apparatus includes a nozzle for ejecting machining-fluid into an inter-electrode gap between a workpiece (W) and a wire electrode (E), a casing (16) fixed to a machining head (15) disposed above or below the workpiece (W), a coupling member (18) for coupling the casing (16) and a nozzle (17), having a predetermined elastic coefficient, and deforming according to the machining-fluid pressure; an assemblage of the coupling member (18) and the nozzle (17) has hollow portions, formed with an inlet side internal diameter (D2) and an outlet side internal diameter (D1) on a machining-fluid inlet side and outlet side respectively, whose sectional areas do not change, and a hollow portion, formed with a minimum internal diameter (D0) between the machining-fluid inlet side and the outlet side, whose sectional area does not change. Machining productivity may be raised for nozzle contact machining and nozzle separation machining.
摘要翻译：一种用于线材放电加工设备的机加工液喷射装置，包括：用于将加工流体喷射到工件（W）和线电极（E）之间的电极间间隙中的喷嘴;固定到加工设置在工件（W）的上方或下方的头部（15），用于联接壳体（16）的联接构件（18）和具有预定弹性系数的喷嘴（17），并根据加工液压力变形; 联接构件（18）和喷嘴（17）的组合具有在机械流体入口侧和出口侧形成有入口侧内径（D 2）和出口侧内径（D 1）的中空部分别具有截面积不变的中空部分和在切削面积不变的加工流体入口侧和出口侧之间形成有最小内径（D 0）的中空部。可以提高喷嘴接触加工和喷嘴分离加工的加工生产率。

33. 发明授权

US06747236B1 Wire electric discharge machining apparatus 失效
标题翻译：线放电加工机
公开(公告)号：US06747236B1
公开(公告)日：2004-06-08
申请号：US10220762
申请日：2002-09-05
申请人： Takuji Magara , Hisashi Yamada
发明人： Takuji Magara , Hisashi Yamada
IPC分类号： B23H710
CPC分类号： B23H7/10 , B23H7/105 , B65H57/20 , B65H2701/354
摘要： A wire electrical discharge machine includes a wire bobbin 3 with a wire electrode 1 wound therearound; a fixing base 25 for fixing the wire bobbin 3 so that the wire bobbin 3 does not rotate; a guide pulley 23 for supporting the wire electrode 1; a rotating arm 21 for supporting the guide pulley 23 and for pulling out the wire electrode 1 from the wire bobbin 3 and rotating the wire electrode 1 about the wire bobbin 3; a sliding mechanism 24 for supporting the guide pulley 23 slidably with respect to the rotating arm 21, in correspondence with a winding position of the wire electrode 1 on the wire bobbin 3; and a braking motor 13 for driving the rotating arm 21. It is possible to disperse the wear of the wire electrode 1 and improve the machining rate and machining accuracy. Further, it is possible to improve the reliability and suppress an increase in cost.
摘要翻译：线放电机包括绕线绕线机3的线绕线筒3; 用于固定线架3以使线架3不旋转的固定座25; 用于支撑线电极1的导向滑轮23; 旋转臂21，用于支撑引导滑轮23并从线架3拉出线电极1，并使线电极1围绕线架3旋转; 对应于电线绕线筒3上的线电极1的卷绕位置的滑动机构24，用于相对于旋转臂21可滑动地支撑导向滑轮23; 以及用于驱动旋转臂21的制动马达13.可以分散线电极1的磨损，并提高加工速度和加工精度。此外，可以提高可靠性并抑制成本的增加。

34. 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。

35. 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。

36. 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。

37. 发明授权

US5756955A Method and apparatus for electric discharge machining with calculation of machining area 失效
标题翻译：用于放电加工的方法和装置，计算加工面积
公开(公告)号：US5756955A
公开(公告)日：1998-05-26
申请号：US643960
申请日：1996-05-07
申请人： Akihiro Goto , Takuji Magara , Masahiro Yamamoto
发明人： Akihiro Goto , Takuji Magara , Masahiro Yamamoto
IPC分类号： B23H1/02
CPC分类号： B23H1/024 , B23H1/022
摘要： An electric discharge machine includes a pulse determining section, which determines whether an electric discharge pulse is an effective electric discharge pulse contributing to machining or an ineffective pulse not contributing to machining, a pulse counting section, which counts the number of electric discharge pulses determined to be effective electric discharge pulses, a machining speed measuring section, which measures the machining rate in the axial direction, a dividing section, which divides the total number of electric discharge pulses by the machining rate in the axial direction, a storage section, which stores predetermined constant data corresponding to electric conditions such as a waveform for a current due to materials of an electrode and a workpiece or generation of electric discharge, and a machined area computing section, which computes a machined area according to the divided data and the stored constant data. A method for controlling the electric discharge machine is also described.
摘要翻译：放电机包括：脉冲判定部，其判定放电脉冲是有助于加工的有效放电脉冲还是无助于加工的无效脉冲;脉冲计数部，其将确定为有效放电脉冲，测量轴向加工速度的加工速度测量部分，将总放电脉冲数除以轴向加工速率的分割部分，存储部分对应于诸如由于电极和工件的材料导致的电流的波形或放电的产生的电气条件的预定常数数据，以及加工区域计算部分，其根据划分的数据和存储的常数来计算加工面积数据。还描述了一种用于控制放电机的方法。

38. 发明授权

US5698114A Surface layer forming process using electric discharge machining 失效
标题翻译：表面层成型工艺采用放电加工
公开(公告)号：US5698114A
公开(公告)日：1997-12-16
申请号：US415135
申请日：1995-03-30
申请人： Takuji Magara , Nagao Saito , Naotake Mohri
发明人： Takuji Magara , Nagao Saito , Naotake Mohri
IPC分类号： B23H1/00 , B23H1/02 , B23H1/04 , B23H1/08 , B23H9/00 , C23C26/00 , C23C26/02 , B05D3/14
CPC分类号： B23H1/04 , B23H1/00 , B23H1/02 , B23H1/022 , B23H1/08 , B23H9/008 , C23C26/00 , C23C26/02
摘要： An apparatus and process for forming surface layers on electrodes by electron discharge machining. A machining gap, between an electrode and a workpiece is filled with a dielectric mixture containing metallic or submetallic powder. The apparatus uses a swinging mechanism to move the electrode during processing. The apparatus uses a high-voltage superposition circuit to superpose a voltage of 100-400 V across the gap. The apparatus uses a current limiting resistor of 100-300 .OMEGA. to ensure that the main circuit supplies a low voltage of approximately 100 V to the machining gap. In a second embodiment, the apparatus prevents electrode cracking by dispersing the discharges throughout, and widening, the machining gap.
摘要翻译：一种通过电子放电加工在电极上形成表面层的装置和方法。在电极和工件之间的加工间隙填充有包含金属或亚金属粉末的介电混合物。该设备在处理过程中使用摆动机构来移动电极。该装置使用高电压叠加电路跨越间隙叠加100-400V的电压。该设备使用100-300欧姆加电流限流电阻，以确保主电路向加工间隙提供大约100 V的低电压。在第二实施例中，该装置通过将放电分散在整个加工间隙中并防止扩大加工间隙来防止电极破裂。

39. 发明授权

US5693240A Surface layer forming apparatus using electric discharge machining 失效
标题翻译：表面层成型装置采用放电加工
公开(公告)号：US5693240A
公开(公告)日：1997-12-02
申请号：US360555
申请日：1994-12-21
申请人： Takuji Magara , Nagao Saito , Naotake Mohri
发明人： Takuji Magara , Nagao Saito , Naotake Mohri
IPC分类号： B23H1/00 , B23H1/02 , B23H1/04 , B23H1/08 , B23H9/00 , C23C26/00 , C23C26/02
CPC分类号： B23H1/04 , B23H1/00 , B23H1/02 , B23H1/022 , B23H1/08 , B23H9/008 , C23C26/00 , C23C26/02
摘要： An apparatus and process for forming surface layers on electrodes by electric discharge machining. A machining gap, between an electrode and a workpiece is filled with a dielectric mixture containing metallic or submetallic powder. The apparatus uses a swinging mechanism to move the electrode during processing. The apparatus uses a high-voltage superposition circuit to superpose a voltage of 100-400 V across the gap. The apparatus uses a current limiting resistor of 100-300.OMEGA. to ensure that the main circuit supplies a low voltage of approximately 100 V to the machining gap. In a second embodiment, the apparatus prevents electrode cracking by dispersing the discharges throughout, and widening, the machining gap.
摘要翻译：一种通过放电加工在电极上形成表面层的装置和方法。在电极和工件之间的加工间隙填充有包含金属或亚金属粉末的介电混合物。该设备在处理过程中使用摆动机构来移动电极。该装置使用高电压叠加电路跨越间隙叠加100-400V的电压。该设备使用100-300欧姆加电流限流电阻，以确保主电路向加工间隙提供大约100 V的低电压。在第二实施例中，该装置通过将放电分散在整个加工间隙中并防止扩大加工间隙来防止电极破裂。

40. 发明授权

US5434380A Surface layer forming apparatus using electric discharge machining 失效
标题翻译：表面层成型装置采用放电加工
公开(公告)号：US5434380A
公开(公告)日：1995-07-18
申请号：US923589
申请日：1992-08-03
申请人： Takuji Magara , Nagao Saito , Naotake Mohri
发明人： Takuji Magara , Nagao Saito , Naotake Mohri
IPC分类号： B23H1/00 , B23H1/02 , B23H1/04 , B23H1/08 , B23H9/00 , C23C26/00 , C23C26/02
CPC分类号： B23H1/04 , B23H1/00 , B23H1/02 , B23H1/022 , B23H1/08 , B23H9/008 , C23C26/00 , C23C26/02
摘要： An apparatus for forming surface layers on electrodes by electric discharge machining. A machining gap, between an electrode and a workpiece is filled with a dielectric mixture containing metallic or submetallic powder. The apparatus uses a swinging mechanism to move the electrode during processing. The apparatus uses a high-voltage superposition circuit to superpose a voltage of 100-400 V across the gap. The apparatus uses a current limiting resistor of 100-300.OMEGA. to ensure that the main circuit supplies a low voltage of approximately 100 V to the machining gap. In a second embodiment, the apparatus prevents electrode cracking by dispersing the discharges throughout, and widening, the machining gap.
摘要翻译：一种通过放电加工在电极上形成表面层的装置。在电极和工件之间的加工间隙填充有包含金属或亚金属粉末的介电混合物。该设备在处理过程中使用摆动机构来移动电极。该装置使用高电压叠加电路跨越间隙叠加100-400V的电压。该设备使用100-300欧姆加电流限流电阻，以确保主电路向加工间隙提供大约100 V的低电压。在第二实施例中，该装置通过将放电分散在整个加工间隙中并防止扩大加工间隙来防止电极破裂。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式