公开(公告)号：US20240051049A1

公开(公告)日：2024-02-15

申请号：US18226972

申请日：2023-07-27

申请人： ROLLS-ROYCE PLC

发明人： Monica M. CASTRO PALACIOS ,  Adam CLARE ,  James MURRAY ,  Alistair G. SPEIDEL ,  Alexander JACKSON-CRISP ,  Andrew D. NORTON

IPC分类号： B23H1/04 ,  B23H7/26 ,  B23H1/10

CPC分类号： B23H1/04 ,  B23H7/26 ,  B23H1/10

摘要： An electrical-discharge machining tool comprising a ground electrode, a moveable and activatable assistive electrode and a cutting electrode, a first conduit for supplying a dielectric and a second conduit for flushing dielectric material, wherein when used on a dielectric layer on a substrate the assistive electrode is activated and positioned substantially between the ground electrode and the cutting electrode.

公开(公告)号：US11717903B2

公开(公告)日：2023-08-08

申请号：US17580819

申请日：2022-01-21

申请人： General Electric Company

发明人： Renwei Yuan ,  Lei Li ,  Yuanyuan Guo ,  Peng Hu ,  Nouman Usmani

IPC分类号： B23H7/26 ,  B23H7/30

CPC分类号： B23H7/265 ,  B23H7/30 ,  B23H2400/10 ,  B23H2500/00

摘要： The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.

公开(公告)号：US20230191514A1

公开(公告)日：2023-06-22

申请号：US18074534

申请日：2022-12-05

申请人： Sodick Co., Ltd.

发明人： Masashi SAKAGUCHI

IPC分类号： B23H1/02 ,  B23H7/10 ,  B23H7/26

CPC分类号： B23H1/024 ,  B23H7/105 ,  B23H7/26 ,  B23H2400/00

摘要： Provided is an electric discharge machining apparatus including: a wire guide, positioning and guiding a wire electrode stretched perpendicularly to a horizontal line; a power conductor, energizing the wire electrode; a guide assembly, accommodating the wire guide and the power conductor; an extrusion member, provided in the guide assembly and pushing out the power conductor in a direction of the wire electrode; a drive device, reciprocating the extrusion member in a horizontal uniaxial direction; a fixing device, fixing the power conductor in a predetermined position within the guide assembly by the extrusion member; and an elastic member, provided coaxially with the extrusion member of the fixing device and constantly pushing out the power conductor in the direction of the wire electrode in a state in which the power conductor is attachable to and detachable from the guide assembly.

公开(公告)号：US20230059939A1

公开(公告)日：2023-02-23

申请号：US17891854

申请日：2022-08-19

申请人： National Kaohsiung University of Science and Technology

发明人： WEN-JENG HSUE ,  Yi-Da Pan

IPC分类号： B23H7/26

摘要： A channel machining equipment and a channel machining method allow a wall of an internal curved channel in a workpiece to be conducted. A set of traction lines and guiding bodies are to support the EDM electrode and thus allow an electrode linked with the guide mechanism to substantially move in a central portion of the curved channel to optimize an EDM effect on the wall of the channel. Therefore, a precision machining process (such as grinding, EDM, and so on) can be conducted on the internal curved channel of the workpiece to make it have satisfactory wall roughness and shape precision according to predetermined standards, thereby solving the problem of failure in effectively machining the wall of the curved channel in the workpiece in the prior art.

公开(公告)号：US11311955B2

公开(公告)日：2022-04-26

申请号：US16177488

申请日：2018-11-01

申请人： Agie Charmilles SA

发明人： Umang Maradia ,  Mikhail Kliuev

IPC分类号： B23H9/00 ,  B23H9/14 ,  B23H1/00 ,  B23H7/26 ,  B23H9/10

摘要： The invention provides a method for machining a shape such as slot or cavity or aperture using a plurality of first type holes (1) and second type holes (2), wherein during machining of first type holes (1) the hole circumference completely envelopes the respective portion of the electrode circumference.

公开(公告)号：US11077510B2

公开(公告)日：2021-08-03

申请号：US16351439

申请日：2019-03-12

申请人： SODICK CO., LTD.

发明人： Yoshinobu Yamamoto

IPC分类号： B23H9/14 ,  B23H1/10 ,  B23H7/36 ,  B23H11/00 ,  B23H7/26

摘要： A fine hole electric discharge machine includes a machining tank, a storage tank, at least one pipeline, a guide base, a liquid current generator, and a controller. The at least one pipeline has at least one opening directed to the upper surface of a workpiece and allows machining liquid to flow through. The liquid current generator selectively forms a first liquid current in which the machining liquid is supplied from the storage tank and jetted from a predetermined opening of the opening, or a second liquid current in which the machining liquid is sucked from an opening the same as or different from the predetermined opening and recovered to the storage tank. The controller controls the liquid current generator to form the first liquid current or the second liquid current.

公开(公告)号：US10974336B2

公开(公告)日：2021-04-13

申请号：US15136023

申请日：2016-04-22

申请人： GENERAL ELECTRIC COMPANY

发明人： Renwei Yuan ,  Dong Liu ,  Lei Li

IPC分类号： B23K9/013 ,  B23H7/30 ,  B23H7/26 ,  B23H1/04 ,  B23H1/08 ,  B23H7/28 ,  B23H1/00

摘要： A method for profile machining comprises: providing an electrode having an electrode axis, a free axial end with an end face, and a peripheral surface other than the end face; energizing the electrode and a workpiece having a thickness, with one of the workpiece and the electrode as an anode and the other as a cathode; and machining the workpiece with the peripheral surface of the electrode, during which the peripheral surface and the electrode axis of the electrode are across the workpiece in a thickness direction thereof. In addition, an embodiment of present invention relates to a component machined by the method.

公开(公告)号：US10821533B2

公开(公告)日：2020-11-03

申请号：US16351108

申请日：2019-03-12

申请人： FANUC CORPORATION

发明人： Kousuke Ookubo

IPC分类号： B23H7/06 ,  B23H7/20 ,  B23H7/10 ,  B23H7/26 ,  G05B19/18

摘要： To provide a wire electrical discharge machine for which the machining precision of corner parts and corner exit parts in a workpiece are improved. A wire electrical discharge machine includes a machining path compensation unit which compensates a machining path, in a case of creating a corner part which is a circular arc as a second machining block, by compensating a position of a center of the circular arc of the second machining block by way of a first compensation vector calculated based on at least one indicator among the four indicators of deflection of a wire electrode, etc., and inserting a linear first compensation block between an end point of the first machining block and a start point of a second machining block which was compensated, and by eliminating a predetermined distance from the start point of a third machining block, creates a starting point of this third machining block, and then inserts a second compensation block between the end point of the compensated second machining block and the created starting point of the first machining block.

公开(公告)号：US20200254546A1

公开(公告)日：2020-08-13

申请号：US16651761

申请日：2018-09-28

申请人： Safran

发明人： Martin Ducas ,  Mirna Bechelany

IPC分类号： B23H7/26 ,  B23H7/36 ,  B23H9/10 ,  C04B35/10

摘要： The invention relates to the production of a device for holding one or more electrode(s) for electrical discharge machining, comprising a body (41) having a rectilinear portion (43a) in which at least one first duct (45) is provided for the passage of one or more electrode(s) (21). The body further has an integral curved portion (43b) in which (at least) one second curved dielectric fluid supply duct (47) is provided and in which is provided a curved extension (45b) of said at least one first duct. The curved extension and the second curved duct are made of ceramic, with an inner mean roughness of: Ra

公开(公告)号：US10737341B2

公开(公告)日：2020-08-11

申请号：US15834080

申请日：2017-12-07

申请人： INTAI TECHNOLOGY CORP.

发明人： Yung-Fang Tsai ,  Chia-Wei Cheng

IPC分类号： B23H7/26 ,  B23H7/22 ,  B23H11/00 ,  B23H9/10 ,  B23H3/00

摘要： The present disclosure provides an electrochemical machining apparatus including a pressurized tank, a cap, a stabilizing plate, a guiding element, and an electrode. The pressurizing tank has a top surface and a chamber, wherein the top surface is disposed with an opening and a limiting portion. The cap fits in the opening and is limited by the limiting portion to seal the pressurized tank. The stabilizing plate is spaced from the top surface or the cap by a distance. The guiding element penetrates the stabilizing plate to connect with the cap and provides a channel to the chamber. The electrode is guided by the guiding element and penetrates the chamber via the channel. When the electrode processes a workpiece in the chamber during an electrochemical machining operation, the cap takes a pressure generated during the electrochemical machining operation, and the stabilizing plate stabilizes the electrode and the guiding element.