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1. 发明授权

US06417475B1 EDM electrode position detection 失效
标题翻译： EDM电极位置检测
公开(公告)号：US06417475B1
公开(公告)日：2002-07-09
申请号：US09575953
申请日：2000-05-23
申请人： Jason E. Duffin
发明人： Jason E. Duffin
IPC分类号： B23H718
CPC分类号： B23H11/00 , B23H7/065 , B23H7/265 , B23H9/14 , B23H2500/20
摘要： The invention provides an apparatus and method for detecting an out-of-line electrode prior to the start of an electrical discharge machining (EDM) process. The invention involves positioning an electrically conductive test component in an accurately defined location relative to a workpiece. The test component has a test hole of a size and shape corresponding to the hole to be drilled in the workpiece by an electrode of an EDM machine. The electrode is then inserted into the test hole. If the electrode is correctly aligned then it will not contact the test component and no electrically conductive path will be formed between the electrode and the test component. If such contact is detected then the electrode is misaligned and the EDM process is stopped. This sequence is repeated immediately before the commencement of drilling of each hole in the workpiece.
摘要翻译：本发明提供一种用于在放电加工（EDM）处理开始之前检测线外电极的装置和方法。本发明涉及将导电测试部件相对于工件定位在精确限定的位置。测试部件具有与EDM机的电极在工件上要钻孔的尺寸和形状相对应的测试孔。然后将电极插入测试孔。如果电极正确对准，则其不会接触测试部件，并且在电极和测试部件之间不会形成导电路径。如果检测到这种接触，则电极不对准，并且停止EDM过程。在工件中每个孔的钻孔开始之前立即重复该顺序。

2. 发明授权

US06667453B1 Electric discharge machining method and apparatus with control of rocking function parameters 有权
标题翻译：放电加工方法和摇摆功能参数控制装置
公开(公告)号：US06667453B1
公开(公告)日：2003-12-23
申请号：US09913824
申请日：2001-08-20
申请人： Hidetaka Katougi
发明人： Hidetaka Katougi
IPC分类号： B23H718
CPC分类号： B23H7/18 , B23H7/20
摘要： In an electric discharge machining apparatus for performing machining while relatively rocking an electrode (18) and a workpiece (W) in a plane vertical to a machining feed direction, there is provided an electric discharge state detection device (20) for detecting an electric discharge state by detecting a short-circuit frequency between the electrode and the workpiece, a defective electric discharge frequency and a position of the electrode, and a rocking function setting device (23) for setting parameters about a rocking function according to the electric discharge state detected by the electric discharge state detection device (20). A parameter setting about a rocking function according to the detected electric discharge state is automatically made without compelling an operator to make the parameter setting about the rocking function, and improvement in machining efficiency and stabilization of the machining can be achieved.
摘要翻译：在用于在垂直于加工进给方向的平面中相对摆动电极（18）和工件（W）的同时进行加工的放电加工装置中，设置有用于检测放电的放电状态检测装置（20）通过检测电极和工件之间的短路频率，电极的放电频率和电极的位置的状态，以及用于根据检测到的放电状态设定关于摇摆功能的参数的摇摆功能设定装置（23）通过放电状态检测装置（20）。自动进行根据检测到的放电状态的关于摇摆功能的参数设定，而不必使操作者进行关于摇摆功能的参数设定，并且可以实现加工效率的提高和加工的稳定化。

3. 发明授权

US06608275B1 Jump control method and apparatus for electric 有权
标题翻译：电动跳转控制方法和装置
公开(公告)号：US06608275B1
公开(公告)日：2003-08-19
申请号：US09937384
申请日：2001-09-25
申请人： Takayuki Nakagawa , Yoshihito Imai
发明人： Takayuki Nakagawa , Yoshihito Imai
IPC分类号： B23H718
CPC分类号： B23H7/18 , B23H1/02
摘要： An electric discharge machining device including an interelectrode servo control unit for controlling an interelectrode distance between an electrode and an object while applying a voltage across the electrode and the object, and a jump control unit for controlling a jump operation in which the interelectrode distance is temporarily increased at time intervals or in response to a machining state jump control unit includes a jump locus generation unit for generating a smooth command locus having a frequency component in a frequency range. The jump control unit controls the jump operation by using a smooth command locus generated by the jump locus generation unit.
摘要翻译：一种放电加工装置，包括用于在电极和物体之间施加电压的同时控制电极与物体之间的电极间距离的电极间伺服控制单元，以及跳转控制单元，用于控制电极间距离临时的跳跃操作在加工状态跳跃控制单元中增加的跳跃轨迹生成单元包括用于生成频率范围内的频率成分的平滑指令轨迹的跳跃轨迹生成单元。跳跃控制单元通过使用由跳跃轨迹生成单元生成的平滑命令轨迹来控制跳跃操作。

4. 发明授权

US06303890B1 Method for the controlled withdrawal movement of a machining electrode in an erosion device 失效
标题翻译：侵蚀装置中加工电极受控退出运动的方法
公开(公告)号：US06303890B1
公开(公告)日：2001-10-16
申请号：US09453453
申请日：1999-12-03
申请人： Mario Scuderi
发明人： Mario Scuderi
IPC分类号： B23H718
CPC分类号： B23H7/30 , B23H7/18 , G05B19/19 , G05B2219/40224 , G05B2219/45135
摘要： A method and a device for the controlled withdrawal movement of a machining electrode in an erosion device wherein, in the case of a process malfunction, the machining electrode is moved backward along the previously traveled machining path (B) (first way of withdrawal) and along a withdrawal vector (RV) defined in relation to the machining path (B) (second way of withdrawal). In order to quickly eliminate the process malfunction and at the same time reduce the risk that the machining electrode will hit the work piece surfaces during the withdrawal movement, the machining electrode is moved backward simultaneously along both ways of withdrawal, and the direction of the withdrawal vector (RV) at each point is adapted to the previously traveled machining path (B).
摘要翻译：一种用于在侵蚀装置中控制的加工电极退出运动的方法和装置，其中在工艺故障的情况下，加工电极沿着先前行进的加工路径（B）（第一撤回方式）向后移动，并且沿着相对于加工路径（B）定义的撤回向量（RV）（第二撤回方式）。为了快速消除过程故障，同时降低了在退出运动期间加工电极撞击工件表面的风险，加工电极沿着两种撤回方向同时向后移动，并且退出方向每个点处的向量（RV）适应于先前行进的加工路径（B）。

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