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WO/2020/165522A1 |
A method for electrical discharge drilling of a hole (18) in a part (16) made of electroconductive material, in particular for an aircraft turbomachine, the method using an electrical discharge machine comprising a head (12) that can mov...
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WO/2020/134080A1 |
A cutter for mold steel, and a cutting machining method therefor. According to the present invention, a medium nozzle having a though hole or a pore is provided between a support column and a wire electrode of a cutter, and the medium no...
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WO/2020/134078A1 |
A high-precision inspection apparatus for a mold steel and an inspection method therefor. The present invention, by means of an inspection array consisting of a laser transmitting pipe and a receiving pipe, allows the simultaneous inspec...
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WO/2020/134079A1 |
A locking device for die steel cutting machining. The present utility model is fixed with a cutting platform through a protrusion on the lower surface of the locking device. The protrusion and the cutting platform are respectively provid...
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WO/2020/134108A1 |
A cutting platform for a steel die cutting process. A protrusion on a lower surface is fixed to the cutting platform (1) by means of a locking apparatus (3). The protrusion and the cutting platform (1) are respectively provided therein w...
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WO/2020/134081A1 |
A medium nozzle for die steel cutting. According to the present utility model, a medium nozzle having a through hole or a pore is provided between a support column of a cutting head and an electrode wire, and the medium nozzle provides a...
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WO/2020/134107A1 |
A cutting and processing apparatus for steel die. The apparatus is fixed to a cutting platform (1) by means of a protrusion on a lower surface of a locking structure (3). The protrusion and the cutting platform (1) are respectively provi...
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WO/2020/127382A1 |
The invention relates to an injection nozzle for injecting fuel into a combustion chamber of an internal combustion engine, comprising a nozzle body (20) having an inner side (30) and an outer side (40) and at least one injection hole (6...
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WO/2020/129261A1 |
An electric discharge machining method for separating a workpiece (30) into a core (34) and a peripheral portion (32) that surrounds the core is configured so that in the method: wire electric discharge machining is performed by applying...
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WO/2020/128294A2 |
The present invention relates to an electrolyte for electrochemical machining of γ-γ'' nickel-based superalloy comprising: - NaNO3 in a content of 10 to 30% by weight relative to the total weight of the electrolyte; - a complexing agen...
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WO/2020/128953A1 |
Disclosed is an electrode wire (1) for electroerosion machining, the electrode wire (1) comprising a metal core (2), made of one or more layers of metal or metal alloy, on the metal core (2), a coating (3) having an alloy different to th...
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WO/2020/128304A1 |
The present invention relates to an electrolyte for electrochemical machining of a γ-γ' nickel-based superalloy comprising - NaN03 at a content of between 10 and 50% by weight relative to the total weight of the electrolyte; - an addit...
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WO/2020/110980A1 |
The present invention relates to a technology that can effectively remove unnecessary objects generated between a workpiece and a tool electrode. This invention comprises: a processing step of processing a workpiece 1 by applying a volta...
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WO/2020/101180A1 |
The present invention relates to a method for manufacturing an organic deposition mask used during a process for manufacturing organic light-emitting diodes (OLEDs) and, more particularly, to a new type of organic deposition mask manufac...
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WO/2020/090073A1 |
A power source device (1) for an electric discharge machine is provided with: a direct current power source (6) connected in parallel to an electrode gap (4); multiple mutually parallel switching elements (7a, 7b, 7c, 7d) disposed betwee...
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WO/2020/091130A1 |
The present invention relates to an electrode wire for electric discharge machining and a method for manufacturing same. The electrode wire has a structure in which a coating layer is formed on the surface of a core wire, wherein the coa...
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WO/2020/090070A1 |
A power source device (1) for an electric discharge machine is provided with: a current supply unit (11) that supplies a pulse current between electrodes (4); and a current regeneration unit (12) that regenerates the current. The current...
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WO/2020/085689A1 |
The present invention relates to an electrochemical machining apparatus and, specifically, to an electrochemical machining apparatus which removes electrolysis products, generated during electrochemical machining, so as to improve electr...
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WO/2020/063098A1 |
An electromachining machine tool, an electrode assembly in an electromachining machine tool, and a machining method. The electrode assembly (101) of the electromachining machine tool (100) comprises a C-axis mechanism (1) and a B-axis me...
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WO/2020/060115A1 |
The present invention relates to a waste wire retrieval apparatus comprising: a waste wire retrieval part that retrieves waste wires discharged from a wire electric discharge machine while rotating; and a rotary driving part for rotating...
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WO/2020/043989A1 |
The invention relates to a tool for producing festoons and attachment holes of a disc flange (10) by electrochemical machining using an electrolyte, the tool comprising: an annular support plate (52) for receiving the disc; lower protect...
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WO/2020/044767A1 |
[Problem] To provide an ion exchange device body that facilitates the removal of bags in which an ion exchange resin is held and that prevents backflow of liquid that has undergone ion exchange from outside to inside. [Solution] An ion e...
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WO/2020/044766A1 |
[Problem] To provide an ion exchange resin bag and an ion exchange device that facilitate the replacement of an ion exchange resin or that extend the life of the ion exchange resin. [Solution] An ion exchange resin bag 5 that comprises: ...
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WO/2020/041296A1 |
An additive manufacturing system includes a printing surface (12) for supporting a printed part (14), and a part removal system (20), including at least one wire (22) configured to move relative to the printing surface and configured to ...
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WO/2020/031246A1 |
An electrical discharge machining device (1) comprises: a material information input unit (2) that receives electrode material information and workpiece material information input; a machining condition input unit (3) that receives machi...
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WO/2020/030778A1 |
The machining electrode for electrical discharge machining using a hubbing technique comprises a core (12) and a coating (14) which at least partially covers the core and which includes at least one outer layer made of an electrically co...
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WO/2020/031019A1 |
The present invention generally relates to bio-dielectric fluid comprising of vegetable oils that are used in electrical equipments. Specifically, the present invention relates to Calophyllum Inophyllum vegetable oil based high performan...
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WO/2020/031251A1 |
This electric discharge machining device (100) machines a workpiece (25) by applying a voltage between a wire electrode (10) and the workpiece (25), and generating a discharge in a gap between the wire electrode (10) and the workpiece (2...
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WO/2020/025310A1 |
The present invention relates to an apparatus (10) and a method for machining a workpiece (W), in particular a workpiece (W) provided with cutting edges, by means of a grinding or erosion tool (34), wherein the apparatus (10) comprises: ...
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WO/2020/015565A1 |
An electrode wire for electrical discharge machining and a manufacturing method therefor, the electrode wire comprising a core material and a surface metal layer, a transition layer being provided between the core material and the surfac...
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WO/2020/015564A1 |
An electrode wire rolling and machining apparatus used for electrical discharge machining, comprising a bell jar furnace (1) and a rolling device (6), wherein the interior of the bell jar furnace (1) is provided with a payoff rack (3), t...
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WO/2020/018510A1 |
An electrical cable having at least one consolidated end may be made of a multi- stranded conductor or a plurality of conductive leaves. At least one end of the multi- stranded conductor or plurality of conductive leaves is ultrasonicall...
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WO/2020/008312A1 |
According to the invention, the electrode lead (1) for electrical discharge machining comprises a metal core (2) consisting of at least one layer of metal or metal alloy. On the metal core (2), a coating (3) having a different alloy to t...
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WO/2020/004199A1 |
The objective of the present invention is to enable stable discharge to be maintained, and to achieve stable quality and machining performance even when machining a workpiece having a non-uniform composition. This wire electrical dischar...
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WO/2019/239481A1 |
A wire electric discharge machine (100) for machining a workpiece (W) by applying a voltage between a wire electrode (1) and the workpiece (W) is characterized in being provided with: a wire-adjusting unit (102) for changing the position...
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WO/2019/237443A1 |
A device for insulating a cathode surface in electrochemical machining, comprising: a cathode tool (2), a workpiece (4), an electrolyte solution container (6), a power source (7), and a movement mechanism (13). The electrolyte solution c...
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WO/2019/231560A1 |
The specification discloses an electrical discharge machining (EDM) system and method capable of defining an unlimited number of waveforms. The system and method define logical waveforms using a plurality of time slices, each having a vo...
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WO/2019/224262A1 |
The invention relates to a method and a device for electrochemically processing a material, which contains a hard phase and a binder phase. The method comprises preparing an aqueous, alkaline, complexing-agent-containing electrolyte and ...
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WO/2019/226196A1 |
A method and system is provided for reducing surface roughness of a diesel engine component. The method and system may apply a voltage to a plasma electrolyte polishing cell. The plasma electrolyte polishing cell may include a diesel eng...
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WO/2019/210896A1 |
The present invention relates to a method for manufacturing a plate (1) of a turbomachine having a plurality of receiving grooves (5), which are formed on the cylindrical peripheral surface (4) of the plate in order to receive blade root...
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WO/2019/207635A1 |
An electrolysis apparatus (200) is provided with: an electrode unit (201) that has a plurality of electrodes (201a) and that precipitates metal ions of a working liquid onto the electrodes (201a); and an electric power supply (203) that ...
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WO/2019/202659A1 |
The present invention is provided with: a material information input unit (2) for receiving input of information about an electrode material and a workpiece material; a machining condition input unit (3) for receiving input of a machinin...
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WO/2019/202672A1 |
A machine learning device (100) learns a control parameter for controlling a machining condition in an electric discharge machine (1). The machine learning device (100) is provided with a state observation unit (30) for observing a plura...
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WO/2019/197127A1 |
The invention relates to a device for the selective electrochemical machining of workpieces (14). The device has a machining head (11) which is equipped with an electrolyte transmitter (16). The electrolyte transmitter (16) has a machini...
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WO/2019/192635A1 |
The invention relates to a method for producing a blade (30) for a turbomachine (1), wherein, in a final form, the blade (30) has an aerofoil (30.1) with a leading edge (30.1.1) and a trailing edge (30.1.2), and with lateral surfaces (30...
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WO/2019/194317A2 |
[Problem] To provide a processing device and a processing method with which a workpiece formed from a sintered alloy, in which a carbide is fixed using a metal binder, can be efficiently processed with high accuracy and high quality. [So...
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WO/2019/189139A1 |
The present invention relates to an electric discharge machining oil composition and an electric discharge machining method capable of enhancing machining speed in electric discharge machining. This electric discharge machining oil compo...
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WO/2019/184855A1 |
A method and device for machining a blisk of an aircraft engine, relating to the technical field of electric spark machining. The machining device comprises rotary shafts and a linear shaft of a machine tool. An X shaft is located at the...
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WO/2019/164605A1 |
A method of operating an electrochemical machining system includes selectively performing an electrochemical machining process by an electrochemical machine of the electrochemical machining system in a macromachining mode or a micromachi...
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WO/2019/149303A1 |
The invention relates to a work station (10) for electrochemically machining a workpiece (12), in particular a rotationally symmetrical workpiece, having a plurality of recesses, comprising a base structure (14); a module (24) which is f...
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