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WO/2009/071865A1 |
Processing of components such as turbine blades (4, 22, 53) for gas turbine engines requires formation of holes (59) and other shaping. It is known to use electrical discharge machining processes to produce such holes (59) and apertures ...
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WO/2009/068560A1 |
A method for arrangement of a dental bridge (10) with at least one bridge support (11) being adapted to be fastened to at least one dental implant arranged into a jaw comprises the steps of fastening an impression element to each of said...
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WO/2009/069207A1 |
An electric discharge apparatus includes electrode specification input means (21) for inputting each electrode specification of a plurality of integral electrodes where electrodes (6) corresponding to a plurality of machining forms are a...
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WO/2009/060031A1 |
The invention relates to a drive device (100, 200) for erosion tools, having a drive shaft (120), an electrode holder connected to the drive shaft (120), an axial drive (140) which works on the drive shaft (120), a rotational drive (160)...
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WO/2009/056100A2 |
The invention relates to a method for producing a protective layer on a metal workpiece that is to be processed using an electrochemical process. In said method, a voltage is applied between at least one electrode (12, 14) and at least o...
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WO/2009/052841A1 |
The invention relates to a dielectric fluid (5) for the electric discharge machining of an electrically nonconducting material (1), characterized in that the dielectric fluid (5) is supplied to the machining region of the electrode (4).
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WO/2009/043206A1 |
A producing method for grater includes: coating the electrolyzing resistant layers (4, 5) on the front and rear surfaces of a metal plate (1), providing openings (4a, 5a) in the electrolyzing resistant layers (4, 5) on the front and rear...
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WO/2009/043207A1 |
A producing method for grater includes: coating etching resistant layers (2, 3) with etching openings (5, 6) on the front surface and the rear surface of a metal plate (1), the opening (6) on the rear surface being larger than the openin...
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WO/2009/040806A2 |
A method of fabricating a conductive prosthetic, such as a stent, with a dimpled surface comprising the steps of: (i) providing a blank; (ii) electrochemically eroding superfluous material to leave a structural skeleton, (iii) electropol...
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WO/2009/037044A1 |
The present invention relates to a device (1) and a method for the electrochemical machining of at least one workpiece (3) with conducting means (8) and first storing means (17) for an electrolyte (6), wherein at least one measuring unit...
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WO/2009/037209A1 |
The present invention relates to a method and a device (1) for the electrochemical treatment of at least one component (3), which has a treatment chamber (2) and at least one feed unit for an electrolyte (25) to the treatment chamber (2)...
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WO/2009/034051A1 |
The invention relates to a method for electrochemically processing a metal workpiece (7) by having a current flow between a tool electrode (9) and the workpiece (7) that forms a second electrode in the presence of an electrolyte (5). A p...
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WO/2009/028117A1 |
This invention provides an electrode wire for wire electric discharging, comprising a hot dip galvanizing layer (3) on the outer peripheral face of a core wire (1) formed of copper or a copper alloy. The electrode wire comprises a relati...
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WO/2009/023512A1 |
A hook/looper module assembly for a tufting machine is provided that allows for broken and damaged hooks of a level cut loop tufting machine to be replaced. The hook/looper module assembly includes modular blocks having a series of slots...
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WO/2009/019885A1 |
A die-sinking electric discharge machining apparatus for machining a work by applying a voltage having an off time and thereby causing electric discharge in a work gap. The apparatus comprises a detection unit (20) for generating a first...
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WO/2009/018673A1 |
The device for recovering and removing a metal wire makes it possible, once the metal wire (10) has been through a machining operation (2) that uses said wire, for this wire to be recovered and removed without interfering with the machin...
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WO/2009/017789A1 |
Electrocoagulation and sludge control apparatus and feed controller assembly for effluent treatment are disclosed, the apparatus including a primary reaction chamber having electrodes mounted therein and a treated effluent output. A slud...
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WO/2009/017788A1 |
An electrocoagulation wastewater treatment apparatus is disclosed wherein a primary electrocoagulation reactor chamber houses treatment electrodes having front and rear faces. Electrode positioners are located in the reactor chamber for ...
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WO/2009/017792A1 |
Electrocoagulation effluent treatment apparatus and methods are disclosed, the apparatus including a primary electrocoagulation reactor chamber having treatment electrodes maintained therein and an effluent inlet and treated effluent out...
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WO/2009/015977A1 |
Electron discharge machining method and device whereby a work piece (2) is machined using a tool (1) along a machining front which retreats ahead of the tool under the effect of spark erosion. The work piece and the tool are separated fr...
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WO/2009/017790A1 |
An electrocoagulation apparatus is disclosed integrated with a plate clarifier for effluent treatment. The clarifier includes first and second tanks, an electrocoagulation reactor positioned in the first tank.
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WO/2009/012837A1 |
A method for producing a machine housing with a fluid chamber (14), which has a hardening layer (16) on the inner surface of its wall, characterized in that the hardening layer (16) is produced from a material which is not electrically c...
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WO/2009/011355A1 |
This invention provides a process for producing an electrode for discharge surface treatment, comprising the step of filling an electrode material powder (11) into a mold (7), compressing the electrode material powder (11) to produce a p...
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WO/2009/011985A1 |
An apparatus and methpd for hybrid machining a workpiece is disclosed. The workpiece (50) is powered as an anode, a cutter (14) is powered as a cathode and a cutting fluid or coolant is circulated therebetween. The cutter is made of a co...
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WO/2009/008155A1 |
A program generating device (30) for combined machines (1) comprises an input unit (1) for selecting one of a first machining method for “only water-jet machining”, a second machining method for “only wire electric discharge machin...
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WO/2008/140910A1 |
A debris removal system for a wire electronic discharge machining (WEDM) apparatus has a fluid source. A pressurization device is coupled to the fluid source to pressurize a fluid from the fluid source. At least one fluid delivery nozzle...
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WO/2008/140058A1 |
In a state where a silicon base material (1) is used as an anode, a fine platinum member (2) is used as a cathode, and an electrolyte solution (4) is arranged between the anode and the cathode, anodic oxidation is performed in constant c...
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WO/2008/129820A1 |
A discharge processing device includes: a gate signal generating device (2) for generating a gate signal (Gate); a power source for applying voltage to a processing gap (12) formed between a tool electrode (11) and a work (10) when the g...
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WO/2008/120648A1 |
An electrode (37) is consumed by generating pulsating discharge between the distal end face of the electrode (37) and the end face of a metal plate (11) to form a recess (41) copying the profile of the end face of the metal plate (11) in...
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WO/2008/115159A2 |
The subject of the invention is a chuck embodiment for mounting round and rectangular forms, comprising a fixed element (1) and a flexible element (5) made in one piece. The necessary force for mounting a workpiece acts upon the flexible...
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WO/2008/106155A1 |
A electrical discharge machining apparatus (10) is disclosed. The apparatus may have an electrode (16), an actuator (22) configured to advance the electrode, and a power supply (14). The apparatus may also have a controller (12) in commu...
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WO/2008/102569A1 |
Provided is a work origin setting method in a complex working apparatus capable of water-jet working and wire-discharge working.The work origin setting method comprises the step of fixing a measurement block in the composite working appa...
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WO/2008/099832A1 |
An electric discharge machining method for machining a work (2) by applying a pulse voltage between the work (2) and band-like tool electrodes (11) while holding the tool electrodes (11) and relatively moving the tool electrodes (11) in ...
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WO/2008/094838A2 |
In an apparatus for electrochemically processing wafers, a supplemental virtual electrode counteracts an electric field offset relative to the wafer resulting from misalignment between the wafer and the anode in the vessel. The apparatus...
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WO/2008/086683A1 |
An electrospark wire-electrode cutting machine includes a machine body (1), a wire-delivering mechanism (2) and a wire frame. The wire-delivering mechanism (2) includes a wire-delivering motor (14), a winding reel (13), a bracket (16), a...
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WO/2008/086912A1 |
Erosion tools with an elongated design are often expensive to produce since said tools are made from one piece. The invention relates to erosion tools of modular construction comprising several individually assembled erosion segments (7).
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WO/2008/087069A2 |
The invention is related to asurface treatment method employing electrical discharges, of which the parameters are chosen so as to minimize the removal of material and to counteract the phenomenon of localization, discharges which strike...
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WO/2008/085287A1 |
A method of machining a pattern at a plurality of locations in a workpiece includes positioning a shaped electrode including the pattern at the plurality of locations in a sequence. In some embodiments, the sequence is random. The method...
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WO/2008/080488A1 |
The invention relates to a method for machining a sealing surface (1), particularly of a valve seat (2) of an intake or outlet valve of an internal combustion engine, by means of contactless removal by applying a voltage between a machin...
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WO/2008/079411A1 |
A system for ultrasonic assisted electrical discharge machining of a component part having a longitudinal axis, a half wavelength resonant frequency along the longitudinal axis and an attachment portion, is provided. The system includes ...
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WO/2008/068070A1 |
The invention relates to a method for coating a component (1) provided with openings, in which an MCrAlY coating (3) is applied two-dimensionally to the component (1) and the MCrAlY coating (3a-c) is electrochemically removed locally in ...
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WO/2008/064159A1 |
An electrolyte electrolyzer adapted to create hydrogen and oxygen from electrolyte fluid at or near atmospheric pressure. The electrolyzer is comprised in a preferred form of a plurality of cells which collectively create oxygen and hydr...
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WO/2008/058513A1 |
The invention relates to an electrode for the electrochemical machining of a workpiece, comprising at least one flow channel (16) for carrying and discharging an electrolyte at least in a working region (22) of the electrode (10). The el...
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WO/2008/058655A1 |
The invention relates to a device for positioning a tool or workpiece on a machine tool, in which essentially centring elements (30) are fitted in the tool or workpiece (10) with the aid of an adhesive, wherein the centring elements (30)...
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WO/2008/054656A2 |
An electrochemical machining system and method includes at least one tube arranged in a first fixture, a second fixture arranged adjacent to the first fixture, the second fixture adapted for supporting a workpiece relative to the tube, a...
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WO/2008/052653A1 |
The invention relates to a method for producing a bearing surface (5) of a radial shaft bearing from electrically conductive material. In said method, the contour of the bearing surface (5) is machined down in a first machining step, and...
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WO/2008/052652A1 |
The invention relates to a method for machining a coated, substantially cylindrical frictional contact surface (2) made of electrically conductive material. In said method, the frictional contact surface (2) is machined in an electrochem...
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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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