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公开(公告)号：US20240227050A9
公开(公告)日：2024-07-11
申请号：US17971108
申请日：2022-10-21
发明人： Daniel Alecu , Laslo T. Diosady
摘要： A system for forming a nozzle inlet of a nozzle includes a nozzle body and an electro-chemical machining (ECM) assembly. The nozzle body includes an external surface. The nozzle body forms a nozzle orifice and a manifold passage. The nozzle orifice extends through the nozzle body between and to a nozzle inlet and a nozzle outlet. The nozzle inlet is disposed at the manifold passage. The nozzle outlet is disposed at the external surface. The ECM assembly is installed on the nozzle body. The ECM assembly includes a machining tool and a flexible line. The machining tool is disposed at the nozzle inlet. The flexible line is attached to the machining tool. The flexible line extends through the nozzle outlet from the machining tool to an exterior of the nozzle body.
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公开(公告)号：US12023750B2
公开(公告)日：2024-07-02
申请号：US18138610
申请日：2023-04-24
发明人： Jia Liu , Shuanglu Duan , Di Zhu
CPC分类号： B23H3/04 , B23H3/10 , B23H9/10 , B23H11/003
摘要： Disclosed are a multi-channel electrochemical machining device and method for a blisk, and relate to the technical field of blisk electrochemical machining. The multi-channel electrochemical machining device for a blisk comprises an electrolytic bath used for accommodating an electrolyte, a blisk workpiece, a tube electrode and a top cover plate. The top cover plate is located above the blisk workpiece. An electrolysis chamber used for the tube electrode to electrolyze the blisk workpiece is formed between the lower surface of the top cover plate and the surface of the blisk workpiece. The electrolysis chamber communicates with the electrolytic bath. A drainage seam communicating the electrolysis chamber and the electrolytic bath along the axial direction of the blisk workpiece is formed in the upper surface of the top cover plate.
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公开(公告)号：US11980959B2
公开(公告)日：2024-05-14
申请号：US17691116
申请日：2022-03-09
发明人： Kevin Joseph Monahan
摘要： An electrochemical machining assembly for boring a passage in an electrically conductive workpiece. The electrochemical machining assembly includes an electrochemical machining tool having a telescoping collar with an articulating head coupled thereto. The telescoping collar is actuated between a contracted configuration and an extended configuration to advance the telescoping collar stepwise in the passage. The articulating head is tiltable relative to the telescoping collar to determine a direction of the passage. The electrochemical machining assembly is configured to remove material from the workpiece upon application of a voltage between the articulating head and the workpiece via a circulating electrolyte fluid to lengthen the passage.
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公开(公告)号：US20240139843A1
公开(公告)日：2024-05-02
申请号：US17769349
申请日：2020-10-06
申请人： MTU Aero Engines AG
发明人： Roland Huttner , Markus Zeis , Nicole Feiling
摘要： The invention relates to a method for the electromechanical machining of a component with at least one electrode which has a first working face with an outer contour which is shaped so as to form a gap complementary to a surface, to be produced by the electrochemical machining, of the component and which has a second working face which is able to be arranged at an edge of the produced surface of the component. In the method, first of all the component is provided, and the first working face of the electrode is positioned in a first machining position with respect to the component. Then, the component is machined with the first working face in order to produce the surface, before the machining of the component with the first working face is ended at a predetermined position. Subsequently, the component is machined with the second working face of the electrode.
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公开(公告)号：US20230286072A1
公开(公告)日：2023-09-14
申请号：US17691106
申请日：2022-03-09
发明人： Kevin Joseph Monahan
摘要： An electrochemical machining assembly for boring a passage in an electrically conductive workpiece. The electrochemical machining assembly includes an electrochemical machining tool having a telescoping collar with an articulating head coupled thereto. The telescoping collar is hydraulically actuatable between a contracted configuration and an extended configuration responsive to fluid pressure provided by an electrolyte fluid circulated by the electrochemical machining assembly to advance the telescoping collar stepwise in the passage. The articulating head is tiltable relative to the telescoping collar to determine a direction of the passage. The electrochemical machining assembly is configured to remove material from the workpiece upon application of a voltage between the articulating head and the workpiece via the electrolyte fluid to lengthen the passage.
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公开(公告)号：US20230286070A1
公开(公告)日：2023-09-14
申请号：US17691116
申请日：2022-03-09
发明人： Kevin Joseph Monahan
摘要： An electrochemical machining assembly for boring a passage in an electrically conductive workpiece. The electrochemical machining assembly includes an electrochemical machining tool having a telescoping collar with an articulating head coupled thereto. The telescoping collar is actuated between a contracted configuration and an extended configuration to advance the telescoping collar stepwise in the passage. The articulating head is tiltable relative to the telescoping collar to determine a direction of the passage. The electrochemical machining assembly is configured to remove material from the workpiece upon application of a voltage between the articulating head and the workpiece via a circulating electrolyte fluid to lengthen the passage.
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公开(公告)号：US20230064929A1
公开(公告)日：2023-03-02
申请号：US17822797
申请日：2022-08-28
申请人： MTU Aero Engines AG
摘要： The invention relates to a manufacturing device for the electrochemical machining of a component, in particular a turbine component, wherein the manufacturing device comprises at least one machining device, which is set up to remove material of the component in accordance with a predetermined electrochemical machining method. It is provided that the manufacturing device comprises at least one cleaning device, which is set up to spray jets of the electrolyte solution onto the component in accordance with a predetermined jet-spraying method in order to remove a residue layer formed on the component during the predetermined electrochemical machining method.
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8.发明申请公开(公告)号：US20230055362A1
公开(公告)日：2023-02-23
申请号：US17904367
申请日：2021-02-10
申请人： MTU Aero Engines AG
摘要： The invention relates to a machining apparatus for electrochemically removing component layers of a component, having at least one electrode, which is mounted so as to be movable along at least one infeed axis, and having at least one auxiliary electrode, which is mounted so as to be movable along an auxiliary infeed axis, wherein a gap for arranging the component for electrochemically removing the component layers extends between the at least one electrode and the at least one auxiliary electrode. At least the infeed axis and a longitudinal extension direction of the gap enclose an acute angle with each other. The machining apparatus comprises at least one oscillation device (40), which is set up at least to move the at least one electrode in an oscillating manner along the infeed axis and relative to the at least one auxiliary electrode.
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公开(公告)号：US20190054555A1
公开(公告)日：2019-02-21
申请号：US15766533
申请日：2016-10-07
申请人： SAFRAN AIRCRAFT ENGINES , PEMTEC
摘要： Tooling (10) for making slots in a multistage disk (1) by electrochemical machining. The tooling comprises first and second rings (20) arranged coaxially about a disk axis and configured to act as cathodes, each ring having an inside periphery with a plurality of radial machining projections. The first and second rings (20) are rigidly secured relative to each other. A method of making slots in a multistage disk by electrochemical machining using such a tool.
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公开(公告)号：US09969021B2
公开(公告)日：2018-05-15
申请号：US15262016
申请日：2016-09-12
发明人： Yung-Fang Tsai , Yao-Chung Hsieh
CPC分类号： B23H9/10 , B23H3/00 , B23H3/10 , B23H11/003 , F01D5/12 , F05D2230/11 , F05D2300/44
摘要： An electrochemical machining apparatus for forming turbine blades includes a main base, an upper seat and an electrode unit. The main base includes a working platform for allowing a turbine blade to be placed thereon. The working platform includes an upper step stage for resisting the turbine blade, and a lower step stage for keeping a predetermined working space from a portion of the turbine blade desired to be cut. The main base has a guiding channel for allowing an electrolyte to flow through the predetermined working space. The upper seat is configured to cover above the main base and to contact one side of the turbine blade to form an electrical connection. The electrode unit includes an anode electrode electrically connected to the upper seat and at least one cathode electrode disposed on the main base.
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