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WO/2008/049393A1 |
Method for producing a lightweight turbine blade for a gas turbine, wherein the method comprises at least casting of a blade element (1) with a blade wall (3) and at least one cavity (2) enclosed by the latter, wherein the blade wall (3)...
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WO/2008/050406A1 |
Intended is to provide a wire electric discharge machine, which can improve a machining speed at the time when the power is fed from a high-impedance path, in case the high-impedance path and a low-impedance path are used together for th...
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WO/2008/050404A1 |
A wire discharge processing apparatus comprises a wire electrode (1), a processing power supply (5) that supplies a processing current between the wire electrode and a processed subject (2); first and second feeding elements (3A,3B) that...
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WO/2008/050407A1 |
A wire discharge processing apparatus wherein the processing speed has been improved by avoiding wire breaks caused by an imbalance of energy occurring between the poles. A main discharge is implemented which uses a feeding system in whi...
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WO/2008/050405A1 |
A wire discharge processing machine performs a feeding control in such a manner that there are mixed, during a discharge processing, an upper side feeding state in which a high frequency pulse voltage is applied to a wire electrode only ...
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WO/2008/050403A1 |
A wire discharge processing apparatus wherein, in a case where upper and lower feeding power supplies, which serve as main discharge power supplies, are provided independently of each other, a current, which is caused by a sub-discharge ...
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WO/2008/047451A1 |
A power supply control unit of an electric discharge machine comprising a means (high-pass filter (4), rectifier (5) and an integration circuit (9)) for detecting the high frequency components of discharge voltage in the machining gap, a...
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WO/2008/047440A1 |
A power supply circuit of a wire electric discharge machining system comprising an auxiliary power supply (3) for generating sub-discharge by applying a voltage to a work piece (2) and a wire electrode (1), and main power supplies (4, 5)...
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WO/2008/047420A1 |
Disclosed is a discharge machining apparatus for machining an object (1) while applying a voltage to a machining gap formed between an electrode (2) and the object (1) by using an aqueous machining solution as a machining solution. The d...
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WO/2008/047452A1 |
A power supply control unit of an electric discharge machine comprising a means (high-pass filter (4), rectifier (5) and an integration circuit (9)) for detecting the high frequency components of a voltage in the machining gap, a detecto...
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WO/2008/037574A1 |
The invention relates to a method for adjusting the distance (h) between an electrode (5) and a workpiece (3) in electrochemical machining, wherein the electrode (5) is displaced by means of an oscillating drive system, wherein an accele...
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WO/2008/034739A1 |
The invention relates to a method for electrochemically coating or stripping the coating from components (1). In said method, the component (1) acts as an electrode and an electric field is established between the component (1) and a cou...
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WO/2008/034818A1 |
The invention relates to a device (1) for processing a surface (207) of a workpiece (203), the device comprising a reactor (2) in which the workpiece (203) forms a first electrode and a tool (205) forms the second electrode, wherein the ...
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WO/2008/030978A2 |
Automated gripping devices (20, 30) and methods for using the gripping devices for handling a work piece in a machining process, for example, an electrical discharge machining (EDM) process, are provided. The gripping devices (20, 30) in...
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WO/2008/026324A1 |
A composite machining apparatus which can perform water jet machining and wire discharge machining includes a shutter (3) which can go up and down for partitioning a machining tank (1) into a machining area (9) and a stand-by area (4). A...
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WO/2008/026323A1 |
Disclosed is an electric discharge machining device for machining a workpiece (2) by generating a discharge within a machining gap which is formed between a tool electrode (1) and the workpiece. This electric discharge machining device c...
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WO/2008/022512A1 |
An electric discharge wire cutting machine used in the machining of the workpiece can work at both high and low wire moving speeds, and includes a main body which is provided with a lower wire fixer, a vertical column which is provided w...
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WO/2008/019683A1 |
The invention relates to a spindle (1) for a machine tool, in particular a motor spindle, with a housing (2) for accommodating an electric motor (3) and a shaft (4) that can be driven by the latter, and with a tool holder (5) for a tool ...
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WO/2008/014801A1 |
A method for deposition of dispersion-strengthened by nanoparticles coatings involves the electrospark processing (ESP) of the surface of a metallic substrate with a composite electrode. ESP is carried out under the following conditions:...
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WO/2008/015786A1 |
In an electric discharge machine, it is possible to easily and effectively suppress a relative displacement amount in a predetermined direction without requiring a complicated mechanism. The electric discharge machine (1) generates elect...
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WO/2008/016798A1 |
A cutting tool assembly using a machined tool operating in a plunge mode of electrical discharge machining to make microreplicated features in a work piece having a complex surface. The microreplicated features can be non-adjacent and ca...
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WO/2008/010044A2 |
The invention relates to a method and an installation for identifying an object. An identification mark (12) is made on the actual object using electrical discharges (28) between a metal tip (21), such as that of a local-probe microscope...
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WO/2008/010090A2 |
A device which is suitable for electrochemically processing an object comprises at least an electrolyte-containing chamber, means for supporting the object to be processed in the chamber, a counter electrode disposed in the chamber as we...
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WO/2008/000072A1 |
A method of wire electrical discharge machining comprising applying a pulsed voltage between a tool electrode and a workpiece which are physically separated by a working gap, the tool electrode being in the form of a wire with an electri...
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WO/2008/002812A2 |
A method and apparatus for retaining electrolyte on a rotating platen using directional air flow is provided. In one embodiment, an apparatus for processing a substrate is provided. The apparatus includes a platen assembly having a surfa...
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WO/2007/147674A2 |
The invention relates to a method for producing three-dimensionally structured surfaces of objects, the object surface being created as a reproduction of a three-dimensionally structured original surface with the aid of a machining tool....
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WO/2007/148716A1 |
With simpler facilities and procedures than those of the prior art, a surface treatment can be made on a part inside or the like while simplifying a grinding work. A first pressed dust electrode (31), which has its leading end portion ta...
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WO/2007/146518A2 |
Apparatus and methods for removing selected tissue are described herein. In one embodiment, an apparatus includes a first cutting element including a distal end and a cutting edge at the distal end and a second cutting element including ...
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WO/2007/141076A1 |
The invention relates to a method for the electrical discharge machining of an electrically non-conductive material (1), in which an assistant electrode (2) is applied to the electrically non-conductive material (1) by a coating process,...
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WO/2007/137903A1 |
The invention relates to a method for spark-erosive treatment of electrically nonconductive materials, wherein a predrilled hole (3) into the electrically nonconductive material is provided, for example, by means of a laser, wherein an e...
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WO/2007/139222A1 |
An NC data creating device (4) for creating NC data used to form at least one shape by electrical discharge machining by using at least two blades fabricated by at least one tool electrode. At least two blades (Q) are registered in a bla...
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WO/2007/134620A1 |
The invention relates to a method for preparing a component (1) consisting of an electroconductive base material in order to carry out an erosive process. During said method, an electrically insulating coating (39) is sprayed onto the su...
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WO/2007/134916A1 |
The invention relates to a method for preparing a component (1) consisting of an electroconductive base material in order to carry out an erosive process. During said method, an electrically insulating coating (39) is sprayed onto the su...
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WO/2007/129749A1 |
In order to impart a further dramatically improved performance to a porous electrode based on the results of fabrication involving a very advantageous feature realized by an invention directed to a porous electrode, an additive substance...
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WO/2007/129073A1 |
A tool holder spindle (1) comprising a shaft (4), a spindle body (2) comprising at least one bearing (3) within which the shaft (4) is journalled for rotation relative to the spindle body (2), a tool holder (5) for holding a tool, and an...
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WO/2007/121948A2 |
The invention relates to a method for treating the surfaces of an electrically conducting substrate surface (2). According to said method, a tool (1) comprising an ion-conducting solid material is contacted with the substrate surface at ...
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WO/2007/121999A2 |
Electrolytic solution for the electrochemical polishing of metal articles which constitute the anode in the polishing process by application of electrical currents. The solution comprises at least one compound of the alkylbenzene sulfoni...
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WO/2007/119274A1 |
A wire electric discharge machine which can select a split guide (4) consisting of a pair of guide pieces (42, 44) or an unsplittable dice guide (6) as an upper wire guide. An upper wire guide assembly (1) includes a housing (10) which c...
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WO/2007/121177A2 |
A method and apparatus for removing conductive material from a substrate surface are provided. In one embodiment, a method is provided for electrochemical mechanical polishing of a substrate. A substrate comprising dielectric feature def...
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WO/2007/114505A1 |
Disclosed is a polyfunctional hydrocarbon oil composition containing a hydrocarbon oil which has a density at 15˚C of 0.7-0.8 g/cm3, while having an n-paraffin content of 10-90% by mass, an aromatic content of 0-3% by volume and a napht...
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WO/2007/113065A1 |
The invention relates to a method for the electrical discharge machining of an electrically non-conductive material (1), in which an auxiliary electrode (2) is applied to the electrically non-conductive material (1), the auxiliary electr...
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WO/2007/113906A1 |
Disclosed is a discharge processing apparatus for processing an object (1) to be processed by applying a voltage to a processing gap formed between an electrode (2) and the object (1) to be processed while using an aqueous process liquid...
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WO/2007/113915A1 |
When the liquid-quality value of liquid-quality control object liquid as an object of liquid-quality control is smaller than a first condition value, the liquid-quality control object liquid is converted to an electrolyte solution. When ...
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WO/2007/110277A1 |
The invention relates to a method for electrical discharge machining of electrically non-conductive material (1) in which a layer of an electrically conductive substance is applied as an auxiliary electrode on the electrically non-conduc...
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WO/2007/110285A1 |
The invention relates to a dielectric fluid (5) for electrical discharge machining an electrically non-conductive material, characterised in that it is of an aqueous solution or an aqueous suspension of at least one carbonaceous substance.
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WO/2007/110280A1 |
The invention relates to an electrode arrangement (3) for the electrical discharge machining of an electrically non-conductive material (1), which comprises a first component (3a) for removing the electrically non-conductive material (1)...
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WO/2007/109432A2 |
A method and apparatus are provided for electroprocessing with recessed bias contact. In one embodiment, the apparatus includes a platen, a processing pad disposed on the platen and having at least a first aperture and a second aperture ...
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WO/2007/105308A1 |
A material piece scooping device for scooping material pieces from the surface of a body, from which the material pieces are scooped, by electric discharge between the body and an electrode for electrical discharge machining. The scoopin...
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WO/2007/103446A2 |
An apparatus and method are provided for simultaneously electropolishing a plurality of metallic stents. A plurality of elongated members on the apparatus are movably engaged with a plate such that movement of the plate relative to the e...
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WO/2007/101234A2 |
The invention provides a method for machining a work-piece. The method includes the step of disposing a surface of a work-piece and an electrode a predetermined distance apart. The method also includes the step of directing a flow of ele...
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