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WO/2010/058154A1 |
Apparatus for controlling flow within a bath (3) of dielectric fluid of an electric discharge apparatus for producing on the surface of an electrically conductive workpiece (21) a textured or matt finish wherein the apparatus comprises a...
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WO/2010/057704A1 |
The invention relates to a device for electrochemically treating work pieces, comprising a base device with a power supply, an electrolyte supply and a delivery device (10), and an exchangeable process cell (3), wherein the process cell ...
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WO/2010/050014A1 |
This apparatus is aimed to make a high precision process possible by the correction of process conditions with reference to a program locus to obtain a desirably processed shape. When a wire electrode is moved on a wire central locus off...
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WO/2010/049969A1 |
An electric discharge machine which performs machining by applying a predetermined voltage while moving a workpiece (4) and an electrode (3) relatively comprises shaft type linear motors (13, 15) for driving a mechanical structure (10) i...
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WO/2010/046353A1 |
In a manufacturing method for closed impellers comprising vanes (2, 2a) with vane channels (3) disposed therebetween, said vane channels having a predefined shape, machined openings for the vane channels are made in a blank using a progr...
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WO/2010/048339A2 |
The hand-held electro-discharge machining fastener removal device of this invention brings an EDM electrode and its supporting ground pin and dielectric fluid structure to a fastener in a workpiece, such as an aircraft fuselage. The hand...
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WO/2010/047135A1 |
Disclosed is a method for recovering a corrosion preventive agent in an electrodischarge machining liquid supply apparatus. The method comprises the step of passing a first electrodischarge machining liquid having a corrosion preventive...
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WO/2010/044980A2 |
An EDM spindle assembly is provided comprising a pull stud, an electrode holder, a fluid seal, and a seal holder. The electrode holder comprises a tail end, a nose end, and an electrode accommodating passage. A counter bore comprising a ...
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WO/2010/041431A1 |
A method of manufacturing an impeller for a centrifugal rotary machine, wherein the impeller has a substantially circular disc-like shape and is provided with blades arranged radially from the inner peripheral side toward the outer perip...
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WO/2010/040599A1 |
The honeycomb cell (13) of the invention is in one part with the substrate (4ยด) so that there is no brazing is needed. Furthermore a better corrosion resistance is gained by the substrate having a coating comprising iron (Fe), chromium ...
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WO/2010/037451A1 |
The invention relates to a wire electrode (1) for spark-erosion cutting. The wire electrode (1) comprises a core (2) made of more than 50 % by weight pure crystalline aluminum and/or one or more crystalline aluminum alloys, and comprises...
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WO/2010/039491A2 |
Apparatuses and methods for toolless electrolytic deburring (100) are disclosed in which a charged electrolyte stream (134) flows through a hose (110) and nozzle (120) and can be selectively directed at a desired portion of an external o...
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WO/2010/037527A1 |
The present invention provides an apparatus (1) for processing a medical stent, comprising: a holding device (2) for holding a stent (S), and a processing device (3) for processing the stent held by the holding device (2). The holding de...
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WO/2010/032130A2 |
Device and method suitable for the electrochemical processing of an object. The device is provided at least with a chamber for accommodating an electrolyte, means for supporting the object to be processed in this chamber, electrodes arra...
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WO/2010/031716A1 |
The invention relates to a machine for machining a part by micro-electrical discharge machining, said machine comprising a mechanism (44, 45, 46, 48) for modifying the configuration of the machine so as to alternatively and reversibly sw...
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WO/2010/032460A1 |
A wire guide housing (1) which contains a wire guide (6) for supporting a running wire electrode (W) and in which wire running passages (32, 23b, 41, 26, 63, 66a) through which the wire electrode passes are formed. The wire guide housin...
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WO/2010/026790A1 |
A switching element (SW1) opens and closes in the frequencies of MHz-order. A reactor (L1) resonates with the stray capacitance between the electrodes and supplies the resulting resonant current to between the electrodes. The resonant cu...
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WO/2010/025958A1 |
The invention relates to a method for machining a workpiece by means of wire spark erosion, wherein a wire is pulled through the workpiece to be machined as a tool, and the contact region between the wire and the workpiece is rinsed with...
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WO/2010/020743A1 |
An electro-discharge apparatus for producing on the surface of an electrically conductive workpiece a textured or matt finish, the apparatus comprising an electrode attachment means (7) for removeably attaching at least one electrode (5)...
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WO/2010/021812A1 |
A method for making a test specimen includes machining out a chordal core from an annular forging and machining the specimen symmetrical about a chordal axis of the core. A linear cutting tool such as a wire EDM machine is used for the m...
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WO/2010/015806A1 |
A control method for an electrical discharge apparatus wherein the electrical discharge apparatus is for applying a machined or textured finish to the surface of an electricity conductive workpiece comprising the steps of; applying multi...
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WO/2010/013315A1 |
A thin hole electric discharge machine for forming a reversely tapered conical hole in a work such that the hole diameter in the lower surface of the work is larger than that in the upper surface thereof by means of a thin wire electrode...
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WO/2010/010927A1 |
An electrical discharge machining device includes N electrodes (E1 to En), an AC power source (G), and N capacitors (C1 to Cn). The AC power source (G) commonly applies an AC voltage to the voltages (E1 to En). Each of the capacitors (...
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WO/2010/001470A1 |
A seal device for sealing between a work tank (2) having a sidewall opening (8) of large diameter formed in the sidewall, and a seal plate (4) arranged slidably while making an arm (1) penetrate and hermetically sealing the sidewall open...
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WO/2010/001472A1 |
A speed ratio calculating means (23) serving as a machining volume calculating means calculates a machining volume of a linear part and a machining volume of a corner based on a discharge gap value and a machining allowance value stored ...
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WO/2009/157205A1 |
An automatic wire threader comprises a jet nozzle (20) configured from first and second divided nozzles (91, 92). The jet nozzle (20) is attachable to a jet stream nozzle (46). The automatic wire threader further comprises a first fing...
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WO/2009/155625A1 |
The invention relates to a static mixing device comprising a flow duct (3) and mixing elements which are distributed across the cross-section of the flow duct and are provided in the form of flow members (6) that are arranged on a wall e...
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WO/2009/154199A1 |
Disclosed is a wire discharge-working apparatus comprising: parallel wire electrodes (2) spaced in parallel from each other and having cutting wire sections (2a) formed, at predetermined regions, to face a workpiece (8); a working power ...
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WO/2009/150885A1 |
Disclosed is a stainless steel consisting of 0.001-0.15% by weight of C, 0.01-1.00% by weight of Si, 0.01-10.00% by weight of Mn, 0.001-0.060% by weight of P, 0.0001-0.10% by weight of S, 3.50-28.00% by weight of Ni, 16.00-26.00% by weig...
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WO/2009/147856A1 |
Disclosed is an electric discharge machining apparatus that supplies an aqueous machining fluid to a machining gap (9) formed between a workpiece (W) constituted of a WC-Co super-hard alloy or steel and a tool electrode (E) while perform...
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WO/2009/142140A1 |
The apparatus is equipped with a rotary wheel (11) supported in a freely rotatable manner on a base (80) via a bearing (19), a rotary drive device (12) that is placed on said base (80) and that rotates said rotary wheel (11) via a power ...
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WO/2009/119660A1 |
Disclosed is a method for cutting a Cu-Ga alloy that, for example, even in a Cu-Ga alloy ingot with a relatively large Ga composition ratio produced by melt casting, can cut (fabricate) the ingot into a desired shape without cracking, br...
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WO/2009/118210A1 |
The invention relates to a method for the electrical discharge machining of a ceramic material (6), wherein a machining electrode (3) is disposed above a machining region (15) of the ceramic material (6) in a dielectric, an electric volt...
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WO/2009/113908A2 |
The invention relates to the mechanical processing of sheet, roll or composite materials, in particular, to means for mechanically shaping a material without removal thereof, namely to the structural design of the rotary embossing cylind...
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WO/2009/113907A2 |
The invention relates to the mechanical processing of sheet, roll or composite materials, in particular, to means for mechanically shaping a material without removal thereof, namely to the structural design of the rotary embossing cylind...
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WO/2009/113909A2 |
The invention relates to mechanically processing sheet, roll or composite materials, in particular, to means for mechanically shaping a material without removal thereof, namely to the structural design of the rotary embossing cylinders w...
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WO/2009/112047A1 |
The invention relates to a method and to a system for the treatment of cooling and/or processing media, for example for separating, grinding and EDM processes, preferably for such where parts are processed with high accuracy requirements...
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WO/2009/108336A1 |
Method of manufacturing extrusion dies for manufacturing substrates with peripheral strengthening are manufactured by plunge EDM machining a solid material and subsequently forming slots by wire EDM slot machining.
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WO/2009/100739A1 |
The extrusion tool (4) for producing a monolithic honeycomb body comprises a tool body (5) with an inlet side (6) and an outlet side (2) for a material to be extruded. With regard to a simple production of the extrusion tool (4), several...
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WO/2009/101688A1 |
An electric discharge machining device includes an input means (12) to input the simulation profile data being a simulation result of a cutting work according to the designed profile data, an electrode profile data input means (11) to in...
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WO/2009/100745A1 |
The invention relates to a method for producing a component for a heat engine, especially for producing a component for a turbine, a compressor or an expander, according to which a blank of the component is machined by erosion at least i...
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WO/2009/101912A1 |
This object aims to provide a method for repairing a turbine rotor blade while suppressing occurrence of cracking caused by welding. A method for repairing damage of a fin at the tip end of a turbine rotor blade comprises a step of cladd...
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WO/2009/098764A1 |
An object is to obtain a power control device for an electric discharge machine which can accurately detect an electric discharge state and optimally control the width of an electric discharge pulse and quiescent time even in the case wh...
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WO/2009/099072A1 |
A worm wheel which has no steps at portions thereof near the surfaces of teeth meshing with a worm and is less likely to produce noise in transmission of power. A worm wheel (1) has a circular arc-shaped gear section (5) which is a porti...
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WO/2009/096025A1 |
In an electric discharge device working a work piece by discharge, complication of a structure and an increase of the number of components are suppressed without installing a plurality of power supplies. In a switching signal waveform wh...
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WO/2009/096026A1 |
In an electric discharge device, a voltage pulse is applied between a work electrode and a work piece, and work is performed by appropriately switching polarity of the voltage pulse. Desired work precision and desired controllability are...
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WO/2009/096027A1 |
An electric discharge device which performs optimum work such as high quality work with sufficient work precision is provided. In the electric discharge device working a work piece by discharge, a positive polarity and a reversed polarit...
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WO/2009/089840A1 |
According to the prior art, during EDM machining a constant current is set. When changing the effective electrode surface, this results in slower machining of the substrate (4). According to the invention, the effective electrode surface...
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WO/2009/089816A1 |
The present invention relates to a method for producing integrally blade-mounted rotors (10), particularly rotors of a gas turbine, characterized in that the method comprises the following steps: a) Defining and providing a blade profile...
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WO/2009/080013A1 |
The invention relates to a method for producing and repairing a part comprising at least two joined metal components, especially components of a gas turbine. In said method, corresponding joining surfaces of the components are joined tog...
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