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WO/2012/148173A2 |
Provided are a wire electrode for electrical discharge machining, which has improved surface roughness, generates a small amount of fine dust during an electrical discharge machining process, and improves machining speed, and a method fo...
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WO/2012/149382A1 |
An apparatus (200) for electrochemically reducing an outer shell of a metal or metal composite wire is provided. The apparatus (200) com¬ prises a cathode member (202) which comprises a passageway (206) through the cathode member (202) ...
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WO/2012/144327A1 |
In order to provide an electrical discharge machine in which a wire electrode can be freely angled in a left-right direction (u direction) and a front-back direction (v direction), in this electrical discharge machine, a rotatable tilt s...
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WO/2012/140735A1 |
A power source device for an electric discharge processing machine is provided with: a DC power source (1) for supplying DC or AC current pulses in a processing gap between a processing electrode (2) and an object (3) to be processed; a ...
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WO/2012/140723A1 |
This electrical discharge machining device has an electrical conduction detection sensor (21) that detects contact of a first contact body and a second contact body by electrification and a numerical control unit (13) that is provided wi...
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WO/2012/131036A1 |
The present invention relates to a method for modifying an electrically non-conductive workpiece via spark erosion. The inventive method comprises the following steps: a) providing a workpiece comprising an electrically non-conductive su...
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WO/2012/128364A1 |
In order to provide a wire discharge machining device which is provided with an automatic wire threading device for more reliably passing a wire electrode through an starting hole, the wire discharge machining device of the present inven...
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WO/2012/126834A1 |
The invention relates to a method for processing a silicon surface of a photovoltaic cell, including a step of removing material from the surface by means of electrical discharge machining, enabling in particular the texturing or structu...
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WO/2012/123421A2 |
The invention relates to a process for electrochemically machining workpieces, such as for example nozzles, in particular nozzles with a blind hole. The invention also relates to an apparatus for electrochemically machining workpieces. T...
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WO/2012/120117A1 |
The present invention relates to a process for manufacturing silicon-based nanoparticles by electrochemical etching of a substrate (7), characterized in that the substrate is made of metallurgical-grade or refined metallurgical-grade sil...
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WO/2012/118083A1 |
The present invention pertains to a method of cutting a glass plate member by moving the region that is internally heated by electrical discharge (first heating region) along a prescribed cutting line on the glass plate member, wherein t...
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WO/2012/114524A1 |
A power supply device for an electric discharge machining machine comprises: a capacitor (Cq) for storing charge; a DC power supply (V) for charging the capacitor (Cq); a first switching element (S1) for applying the charge stored on the...
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WO/2012/114493A1 |
In order to perform a correction that is as highly effective as possible in accordance with the environmental temperature at an installation site, an electric discharge machining device (100) comprises: a temperature and displacement mea...
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WO/2012/114424A1 |
Provided is a work tank of an electric discharge machining device capable of manually lifting/lowering, opening/closing, and locking/unlocking a door without using machine components such as a timing belt, a pulley, and the like. The wor...
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WO/2012/108250A1 |
An automatic wire bonder whereby it becomes possible to prevent the breakage of an electrode wire and to achieve an annealing treatment of a fine electrode wire having a diameter (φ) of 0.1 mm or less which is particularly likely to be ...
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WO/2012/103017A2 |
Devices and methods for positioning a fixture with a reception around a raised head fastener whereby an eroding electrode may be selectively positioned are disclosed. Said device having a plurality of flexible legs with toes having curve...
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WO/2012/102993A2 |
Devices and methods for eroding pilot holes and the like by positioning an erosion electrode in a location corresponding to a pre-cut in a material are disclosed. A collar or extended end of a hand held erosion device with ground and ero...
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WO/2012/097187A2 |
Erosion electrodes and associated devices, systems, and methods for providing improved performance during a process driven by FEED and facilitated by fluid flushing of a worksite is disclosed. Use of erosion electrodes having varying cro...
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WO/2012/097130A2 |
The hand-held electro-discharge device to remove boluses of material from a workpiece is disclosed. In some implementations, a conductive electrode and its supporting ground pin are immersed in a dielectric fluid contained in a hood or c...
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WO/2012/097183A2 |
Apparatus and methods for an efficient erosion electrode, including a non-conductive or less conductive layer applied to the sidewalls of the electrode are disclosed. The non-conductive or less conductive layer minimizes "wasted" erosion...
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WO/2012/092244A2 |
A system (10, 10', 10") is disclosed. The system (10, 10', 10") includes a fluid reservoir (12) containing a volume of fluid (VF), a bell housing (14) that forms a chamber (34), a workpiece (W) having a first surface portion (W1) and a s...
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WO/2012/074897A1 |
An electrode holder having a replaceable guide through which an electrode extends longitudinally between an inner end operatively associated with an EDM machine and a free end engageable with a working surface of a component to be machined.
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WO/2012/072304A1 |
A method for electrical discharge machining a workpiece includes the steps of: presenting an elongate electrode to the workpiece with a spark gap therebetween; flowing a dielectric fluid in the gap; eroding the workpiece by electrical di...
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WO/2012/070167A1 |
A wire discharge apparatus is obtained that performs multiple cutting processes at the same time by winding a wire (3) between main guide rollers (1a to 1d) in multiple turns and is capable of performing a stable process while suppressin...
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WO/2012/067078A1 |
A current value and a voltage value from a heating power supply device (85) that conducts heating by applying current through a wire electrode (6) are measured, the voltage value is divided by the current value to obtain a load resistanc...
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WO/2012/064219A1 |
The invention relates to the electrochemical machining of current-conducting materials and can be used in the production of punches, pressing moulds and other complex-shaped components at the finishing stage. The method comprises supplyi...
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WO/2012/056788A1 |
A fluid quality adjustment device is provided with: a water purification means (2) for deionizing a machining fluid; a first anticorrosion means (3) for exchanging ions in the machining fluid for anticorrosion ions; an upstream-side wate...
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WO/2012/053568A1 |
Provided is a wire electrical discharge machining device which has a tension controller (60) for maintaining the tension of a traveling wire electrode (1) at a set tension (WT). The tension controller includes: an allowed tension calcula...
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WO/2012/053486A1 |
In electric discharge machining in which a Cu(Ag)-W(Mo) based electrode is employed, the present invention improves the machining speed, electrode wear rate, and surface roughness of an object to be machined. For this purpose, suitable a...
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WO/2012/048797A1 |
The invention relates to a device for texturing a roller, the device comprising a holder for a roller and electrodes disposed either side of a held roller, means for pitching the electrodes against the roller also being provided. The mea...
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WO/2012/042980A1 |
Provided is a wire electric discharge machining apparatus, which is provided with: a wire electrode, a guide roller, which disposes the wire electrode in parallel by winding the wire electrode; a plurality of slide-contact conductive bod...
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WO/2012/039818A1 |
One embodiment relates to a substrate carrier for use in electroplating a plurality of substrates. The carrier includes a non-conductive carrier body (102 and 202) on which the substrates are placed and conductive lines (128) embedded wi...
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WO/2012/037121A1 |
A machining system for machining a workpiece is provided. The machining system comprises a machine tool, a plurality of cutting tools, a CNC controller. The plurality of tools comprises an electrode and a conventional cutting tool exchan...
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WO/2012/031828A1 |
The invention relates to a method for sawing a workpiece (10), in particular a silicone workpiece, in which a sawing tool (12) is moved along the workpiece (10), wherein the sawing tool (12) interacts with the abrasive grains (14) during...
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WO/2011/156720A9 |
Electrochemical machining method and apparatus wherein in one aspect of the invention, the machining voltage is selected to maintain the highest current without initiating substantial hydrolysis of the electrolyte flushed between the wor...
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WO/2012/028830A1 |
The invention relates to an electrode for chamfering the corners of a workpiece by electrochemical machining, comprising at least one conductive region (62, 68) to be arranged facing a workpiece corner to be chamfered. Said electrode is ...
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WO/2012/026842A1 |
The invention relates to the electrochemical machining of metals and alloys, said machining being intended for forming a regular nanometric and micrometric layer on an intricately shaped surface. The electrochemical machining is carried ...
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WO/2012/012701A1 |
An electrode wire for use in an electrical discharge machining apparatus includes a core having a surface and one of a metal, an alloy of a metal, and a combination of a metal and alloy of a metal. An adherent coating of graphite is meta...
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WO/2012/011545A1 |
A power supply system for wire electric discharge machining comprises a first power supply circuit (10) and a second power supply circuit (20). The first power supply circuit applies, to the machining gap, a voltage that induces a discha...
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WO/2012/000720A1 |
A metallic component (1) for high-pressure applications, which serves in particular for fuel injection systems of air-compressing, self-igniting internal combustion engines, comprises at least one transition region (2). The transition re...
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WO/2011/161764A1 |
In order that an electric discharge state in an electro-discharge machining apparatus will be held constant, an electro-discharge machining control device (101) is provided with a machining power supply which applies a pulse-like voltage...
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WO/2011/156301A1 |
An electrochemical machining system for metals and alloys having a strongly passivating character including an electrolyte solution that is free of hydrofluoric acid, an electrode in contact with the electrolyte solution, a workpiece spa...
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WO/2011/151905A1 |
Disclosed is an electrodischarge machining apparatus provided with a machining tank wherein an article being machined is displaced, a machining unit equipped with electrodes which electrodischarge-machine the article being machined, a po...
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WO/2011/152327A1 |
Provided is an electrode wire for electrical discharge machining which, even when discharge energy is increased, can be prevented from decreasing in tensile strength and can attain an improvement in the precision of work cutting and with...
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WO/2011/145217A1 |
A wire electric discharge machining device comprises a wire electrode disposed spaced from an object to be machined and a constant voltage power supply for supplying a high-frequency voltage between the object to be machined and the wire...
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WO/2011/145390A1 |
Disclosed is a processing object retainer (10) that holds a processing object (8) when same is cut in a wire electric discharge processing device that cuts processing objects by electrical discharge from wire electrodes (2) provided spac...
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WO/2011/141071A1 |
The invention relates to a method for processing a constructed, liquid-cooled piston (1) of an internal combustion engine, said piston comprising an upper piston part (2) and a lower piston part (7), which are supported by means of a joi...
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WO/2011/136309A1 |
Disclosed is an automatic wire threader for a wire electric discharge machining apparatus that includes a jet nozzle (20). The jet nozzle includes a first and second finger (21, 22) that are capable of shifting between an open position i...
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WO/2011/132276A1 |
Disclosed is an electrical discharge machining device which supplies working fluid to a machining gap between a machining electrode and a workpiece, and which performs electrical discharge machining, wherein the electrical discharge mach...
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WO/2011/124617A1 |
The invention relates to a method for manufacturing a cylinder of micrometric diameter in a bar by means of electrolysis, wherein, during the manufacture of a single micrometric cylinder: the voltage V1 alternates (52) between a positive...
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