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公开(公告)号：US07019247B1
公开(公告)日：2006-03-28
申请号：US11062381
申请日：2005-02-22
申请人： John MacGregor
发明人： John MacGregor
摘要： An electrical discharge machining head incorporating piezo-electric motors for controlling motion of a slide assembly. The slide assembly is translatable within a machine base and its motion is controlled by the piezo-electric motors. The slide assembly precisely controls the movement of an EDM electrode through the wire guide.
摘要翻译： 一种包含用于控制滑动组件的运动的压电马达的放电加工头。 滑动组件可在机座内平移，其运动由压电马达控制。 滑动组件精确地控制EDM电极通过导线器的移动。
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公开(公告)号：US06967303B2
公开(公告)日：2005-11-22
申请号：US10472501
申请日：2002-01-09
申请人： Masaaki Nishio
发明人： Masaaki Nishio
摘要： There is provided a controller(11) structured in such a manner that a signal of ON/OFF of electric power of the temperature control unit (7) is received by the signal receiving section (12), according to ON/OFF of the received signal of the signal receiving section (12), the correction calculating section (13) calculates an amount of correction, this amount of correction is sent to the amplifier output command section (14), and the amplifier output command section (14) sends an axial feed operation command of the amount of correction to the drive unit(15). Correction of the thermal displacement of the machine body generated by a change in the temperature of the machining solution can be easily, effectively conducted without using a specific device, and the machining accuracy can be enhanced.
摘要翻译： 提供了一种控制器（11），其结构使得温度控制单元（7）的电力的ON / OFF信号由信号接收部分（12）根据接收到的ON / OFF接收 信号接收部分（12）的信号，校正计算部分（13）计算校正量，该校正量被发送到放大器输出命令部分（14），放大器输出命令部分（14）发送一个 对所述驱动单元（15）的所述校正量的轴向进给操作命令。 可以在不使用特定装置的情况下，容易地，有效地进行由加工溶液的温度变化产生的机体的热位移的校正，并且可以提高加工精度。
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公开(公告)号：US06881918B2
公开(公告)日：2005-04-19
申请号：US10706962
申请日：2003-11-14
摘要： An electric discharge machining apparatus has improved responsive drivability and improved machining speed. A tool electrode has a tip end directed toward a work piece, a voltage applied between the tool electrode and the work piece generating a discharge. A drive shaft is connected with the tool electrode. An electrode driving device has magnetic bearings for moving the drive shaft in three directions, including a Z-axis direction, which is an axial direction of the drive shaft, a Y-axis direction perpendicularly crossing the Z-axis direction, and an X-axis direction perpendicularly crossing the Y-axis direction and Z-axis direction, by supplying electric current to electromagnetic portions to control magnetic attraction. A movable coupling is connected with an end of the drive shaft and is movable in the three directions. An electric motor is connected with an end of the coupling for rotating the drive shaft through the coupling.
摘要翻译： 放电加工装置具有提高的响应驱动能力和改善的加工速度。 工具电极具有朝向工件的尖端，施加在工具电极和工件之间的电压产生放电。 驱动轴与工具电极连接。 电极驱动装置具有用于使驱动轴沿三个方向移动的磁性轴承，其包括作为驱动轴的轴向的Z轴方向，与Z轴方向垂直的Y轴方向， 轴向垂直于Y轴方向和Z轴方向，通过向电磁部分提供电流来控制磁吸引。 可动联轴器与驱动轴的一端连接，可沿三个方向移动。 电动机与联轴器的一端连接，用于通过联轴器旋转驱动轴。
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公开(公告)号：US20050016965A1
公开(公告)日：2005-01-27
申请号：US10706962
申请日：2003-11-14
摘要： An electric discharge machining apparatus has improved responsive drivability and improved machining speed. A tool electrode has a tip end directed toward a work piece, a voltage applied between the tool electrode and the work piece generating a discharge. A drive shaft is connected with the tool electrode. An electrode driving device has magnetic bearings for moving the drive shaft in three directions including a Z-axis direction which is an axial direction of the drive shaft, a Y-axis direction perpendicularly crossing the Z-axis direction, and an X-axis direction perpendicularly crossing the Y-axis direction and Z-axis direction, by supplying electric current to electromagnetic portions to control magnetic attraction. A movable coupling is connected with an end of the drive shaft and is movable in the three directions. An electric motor is connected with an end of the coupling for rotating the drive shaft through the coupling.
摘要翻译： 放电加工装置具有提高的响应驱动能力和改善的加工速度。 工具电极具有朝向工件的尖端，施加在工具电极和工件之间的电压产生放电。 驱动轴与工具电极连接。 电极驱动装置具有用于使驱动轴沿包括作为驱动轴的轴向的Z轴方向，与Z轴方向垂直的Y轴方向，X轴方向 通过向电磁部分提供电流来控制磁吸引力，垂直于Y轴方向和Z轴方向。 可动联轴器与驱动轴的一端连接，可沿三个方向移动。 电动机与联轴器的一端连接，用于通过联轴器旋转驱动轴。
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公开(公告)号：US06339203B1
公开(公告)日：2002-01-15
申请号：US09582452
申请日：2000-06-26
申请人： Takahiro Nakamura , Kenji Yamada
发明人： Takahiro Nakamura , Kenji Yamada
IPC分类号： B23H100
摘要： The main spindle (1A) for the main spindle device of a diesinker electric discharge machine is connected to a high rotor inertia, high output servo motor (15) without passing through a speed reducer; the servo motor (15) is equipped with a high resolution encoder (14). A main spindle rotation speed detection signal is detected by the encoder (14) when the main spindle (1A) is rotating in the high speed mode, and a main spindle angle position and rotation speed detection signal are detected when the main spindle (1A) is being angle divided, and these signals are fed back to the servo motor (15) motor driver (16). High speed rotational control and angle position precision angle division control are accomplished by a single servo motor and a single encoder.
摘要翻译： 模具放电机主轴装置的主轴（1A）与高转矩惯性高输出伺服电机（15）连接，不通过减速机; 伺服电机（15）配备有高分辨率编码器（14）。 当主轴（1A）以高速模式旋转时，主轴转速检测信号由编码器（14）检测，主轴转速检测信号主轴（1A）检测主轴转角检测信号， 正在进行角度分割，这些信号被反馈到伺服马达（15）马达驱动器（16）。 高速旋转控制和角度位置精度角度分割控制由单个伺服电机和单个编码器完成。
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公开(公告)号：US06326579B1
公开(公告)日：2001-12-04
申请号：US09369207
申请日：1999-08-05
申请人： David M. Krawczyk , Charles L. Ball
发明人： David M. Krawczyk , Charles L. Ball
IPC分类号： B23H104
CPC分类号： B23H1/00 , B23H7/26 , B23H7/28 , B23H7/30 , B23H11/003
摘要： An electric discharge machine includes a machine base configured to support a work piece, a y-axis alignment assembly having a first direction of travel and mounted to the machine base, and an electrode alignment assembly mounted to the machine base and configured to hold an electrode during a machining process. The electrode alignment assembly has a second, a third, and a fourth direction of travel, and an attached rotary indexer has a fifth direction of travel. Movements in the first, second, third, fourth, and fifth directions of travel are automatically controlled by a processor.
摘要翻译： 一种放电加工机，包括：被配置为支撑工件的机器基座，具有第一行进方向并安装到机器基座的y轴对准组件，以及电极对准组件，安装到机器基座并构造成保持电极 在加工过程中。 电极对准组件具有第二，第三和第四行进方向，并且附接的旋转分度器具有第五方向。 第一，第二，第三，第四和第五方向的移动由处理器自动控制。
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17.发明授权公开(公告)号：US06184486B2
公开(公告)日：2001-02-06
申请号：US08963477
申请日：1997-11-03
IPC分类号： B23H730
摘要： Electrode tools for electroerosion (EDM) where a cavity or a relief is machined by hollowing out the part at great speed and in successive layers or slices by means of a rotating electrode tool of a simple shape which is independent of the cavity to be eroded, called “EDM slices milling”.
摘要翻译： 用于电蚀（EDM）的电极工具，其中通过利用独立于要被侵蚀的空腔的简单形状的旋转电极工具以高速和连续的层或切片挖空部件来加工空腔或浮雕， 称为“EDM切片铣”。
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公开(公告)号：US5595103A
公开(公告)日：1997-01-21
申请号：US32388
申请日：1993-03-18
摘要： A hydraulic drive system for positioning a part such as the electrode of an electrical discharge machine includes a hydraulic cylinder and a piston slidably mounted in the cylinder and separating it into opposite first and second chambers on opposite sides of the piston. A piston rod extends from the piston through one end of the cylinder for connection to a part to be positioned. A reservoir containing hydraulic fluid is mounted on the cylinder, and a pump has an inlet communicating with the reservoir and an outlet connected via passageways to the first and second chambers. Return passageways are provided for returning fluid from the chambers to the reservoir, and valves control fluid flow from the pump to the chambers and back from the chambers to the reservoir in order to drive the piston in opposite directions. The reservoir, pump, valves, and at least part of each connecting passageway are located within a single outer housing.
摘要翻译： 用于定位诸如放电机的电极的部件的液压驱动系统包括液压缸和可滑动地安装在气缸中的活塞，并将其分离成在活塞的相对侧上的相对的第一和第二室。 活塞杆从活塞延伸穿过气缸的一端，以连接到要定位的部件。 包含液压流体的储存器安装在气缸上，并且泵具有与储存器连通的入口和经由通道连接到第一和第二室的出口。 提供返回通道用于将流体从腔室返回到储存器，并且阀控制流体从泵到腔室的流动并且从腔室返回到储存器，以便沿相反的方向驱动活塞。 储存器，泵，阀和每个连接通道的至少一部分位于单个外壳内。
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公开(公告)号：US5324907A
公开(公告)日：1994-06-28
申请号：US115613
申请日：1993-09-03
申请人： Kenneth R. Wallace
发明人： Kenneth R. Wallace
摘要： A support base has adjustable slides mounted thereon. A cam arm is mounted at one end on a piston rod that is used to cause vertical movement of the cam arm. The opposing end of the cam arm has a bore that rotatably receives a sleeve therein. An electrode holder is pivotally mounted in the sleeve such that one end of the electrode holder extends beyond the end of the sleeve. The electrode holder is movable between a first normal working position and a second non working position that corresponds to movement of the cam arm. A drive motor and belt are engaged with the sleeve to cause rotation of the sleeve, electrode holder, and electrode to perform machining operations on a workpiece that the electrode is inserted into.
摘要翻译： 支撑底座上安装有可调节的滑块。 凸轮臂的一端安装在用于引起凸轮臂的垂直运动的活塞杆上。 凸轮臂的相对端具有可旋转地容纳套筒的孔。 电极保持器枢转地安装在套筒中，使得电极保持器的一端延伸超过套筒的端部。 电极保持器可在对应于凸轮臂的移动的第一正常工作位置和第二非工作位置之间移动。 驱动马达和皮带与套筒接合以引起套筒，电极夹持器和电极的旋转，以对电极插入的工件进行加工操作。
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公开(公告)号：US5225646A
公开(公告)日：1993-07-06
申请号：US764881
申请日：1991-09-24
申请人： Chin-Fong Chiang
发明人： Chin-Fong Chiang
IPC分类号： B23H7/30
CPC分类号： B23H7/30 , Y10S74/10 , Y10T74/1872
摘要： An electric discharge machine has a movable ram assembly including a casing having a tubular support defining a through bore therein with an upper portion, a lower portion and a receiving space adjacent to the lower portion. A shaft vertically passes through the bore and the lower end of the shaft is connected to an electrode head. A device for moving the shaft vertically in the tubular support is provided in the casing. The casing also has an upper telescopic member extending upward from the upper portion and a lower telescopic member extending from the lower portion thereof. An insulating device is provided between the shaft and the tubular support to insulate the casing from the shaft. The insulating device includes an insulated tubular member in the lower portion, an insulated sleeve member around the shaft between the upper and lower portions, an insulated stop member at the top end of the shaft. A bearing member in the insulated tubular member and the insulated sleeve member holds the shaft vertically in the tubular support of the casing.
摘要翻译： 放电机具有可移动的活塞组件，其包括具有管状支撑件的壳体，所述管状支撑件在其中限定通孔，所述管状支撑件具有与所述下部相邻的上部，下部和容纳空间。 轴垂直穿过孔，轴的下端连接到电极头。 在壳体中设置有用于在管状支撑件中垂直移动轴的装置。 壳体还具有从上部向上延伸的上伸缩构件和从其下部延伸的下伸缩构件。 绝缘装置设置在轴和管状支撑件之间，以使壳体与轴绝缘。 绝缘装置包括在下部的绝缘管状构件，在上部和下部之间围绕轴的绝缘套管构件，在轴的顶端处的绝缘止动构件。 绝缘管状构件中的轴承构件和绝缘套筒构件将轴竖直地保持在壳体的管状支撑件中。
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