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WO/2012/012701 |
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/2012/011545 |
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/2012/000720 |
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/2011/161764 |
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/2011/156720 |
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/2011/156301 |
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/2011/151905 |
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/2011/152327 |
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/2011/145217 |
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/2011/145390 |
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/2011/141071 |
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/2011/136309 |
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/2011/132276 |
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/2011/125656 |
Disclosed is an electrical discharge machining apparatus provided with a machining electrode (2) consisting of a wire which is wound around an assembly comprising a plurality of guide rollers (7a - 7d), thereby having a plurality of faci...
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WO/2011/124208 |
The invention relates to a method for electrochemically processing a workpiece surface (8, 68) by means of an electrode (1), which has at least one effective surface (24, 54) for processing the workpiece surface (8, 68), and by means of ...
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WO/2011/124617 |
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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WO/2011/124044 |
A grinding/electrolysis combined multi-wire-slicing processing method for silicon wafers includes the following steps: first, with a metal slicing wire (10) provided on a multi-wire-slicing machine serving as cathode, a silicon rod or a ...
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WO/2011/116826 |
A device for clamping a substantially cylindrical tool, such as an electrode or tool (T) of an EDM machine or conventional machine tool, the device (3) comprising a plurality of clamps (2a - 2c) arranged radially around a central axis, e...
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WO/2011/119959 |
Devices and methods for removal of fasteners by Electro-discharge Machining (EDM) such that portions of the fastener, such as a flange head, may be separated from other portions of the fastener, such as a shank.
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WO/2011/112306 |
A portable EDM device and system thereof for producing calibration reflectors on a pipe includes a base mountable on the pipe, a motor mounted on the base, a cutting tool operably connected to the motor, an electrode operably connected t...
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WO/2011/108164 |
A rotor blade for a gas turbine, configured so that a cooling path provided within the rotor blade can be formed easily and so that the formation of the cooling path does not impair the strength and rigidity of the rotor blade. A rotor b...
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WO/2011/108440 |
A rotor blade for a gas turbine, configured so that a cooling path provided within the rotor blade can be formed easily and so that the formation of the cooling path does not impair the strength and rigidity of the rotor blade. A rotor b...
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WO/2011/106080 |
A key hole or guide eroded into a fastener such that said key corresponds to a removal tool. Said key hole is a guide, recess or channel which may be eroded through non-homogeneous conductive materials such as a fastener with a broken dr...
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WO/2011/106080 |
A key hole or guide eroded into a fastener such that said key corresponds to a removal tool. Said key hole is a guide, recess or channel which may be eroded through non-homogeneous conductive materials such as a fastener with a broken dr...
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WO/2011/096242 |
Provided is an electrode wire for high-speed machining which prevents short circuiting between the electrode wire and an object being machined, and not only increases machining speed but also suppresses loss in machining precision and ge...
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WO/2011/089648 |
A numerical control device for a wire electric discharge machining apparatus comprises a disconnection warning signal generation means, a disconnection warning detection means, a disconnection threshold setting means, a machining energy ...
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WO/2011/091119 |
A machining system (10) is provided and includes a machining tool (11) comprising a spindle (21), one or more electrodes (20) configured to perform the electromachinmg, and one or more tool holding elements (12) configure to conductively...
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WO/2011/074043 |
Disclosed is a fluid quality adjustment device provided with: a purification means (9) which deionizes a machining fluid; an anticorrosion means (8) which exchanges ions in the machining fluid for anticorrosion ions; a conductivity measu...
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WO/2011/070090 |
The invention relates to a method and related device for machining a workpiece. In the method, material of the workpiece (12) is removed in a machining region (18) by means of a non-contact removal process. The workpiece (12) is excited ...
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WO/2011/067818 |
Disclosed is a corrosion prevention device provided with a water deionization means (9) consisting of hydrogen ion type resin particles and hydroxide ion type resin particles; a corrosion prevention means (8) consisting of positive ion t...
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WO/2011/067746 |
An electroerosion wire cutter for turbine and aircraft industry with a space (2) in the base unit (1), over the space there is a lower arm (3) and an upper arm (5) and in the base unit body (1) there is an extensible supporting arm (4). ...
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WO/2011/067746 |
An electroerosion wire cutter for turbine and aircraft industry with a space (2) in the base unit (1), over the space there is a lower arm (3) and an upper arm (5) and in the base unit body (1) there is an extensible supporting arm (4). ...
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WO/2011/065377 |
Disclosed is a discharge detection method used for an electrochemical machining apparatus wherein gap voltage is applied between an article to be machined (28) and an electrode (20) which faces the same, while supplying electrolyte betwe...
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WO/2011/058040 |
The use of a thick wire electrode (4) means that the surface can be machined considerably more accurately.
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WO/2011/053194 |
The invention pertains to the field of treating flat or slightly convex surfaces of relatively small articles by engraving, in particular when carrying out artistic or decorative work. The engraving bench includes a body, a base, vertica...
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WO/2011/053194 |
The invention pertains to the field of treating flat or slightly convex surfaces of relatively small articles by engraving, in particular when carrying out artistic or decorative work. The engraving bench includes a body, a base, vertica...
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WO/2011/052494 |
Disclosed is an electrical discharge machining device (M) provided with: a Z-axis displacement mechanism (4) that can precisely displace an electrode (E); a position control unit (16) that detects the travel distance of the electrode (E)...
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WO/2011/049686 |
A Method and machine tool for compensating a wear of an electrode that machines a workpiece. The method includes selecting a current pocket from plural pockets of the workpiece; updating a wear compensation to be applied to the electrode...
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WO/2011/049101 |
Disclosed is a wire electro-discharge machining device which uses a wire electrode (8) to machine a workpiece (7) into a product, the workpiece (7) having varying thickness. The wire electrode (8) moves on a tool path (Q) where a product...
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WO/2011/049049 |
Disclosed is an improved tungsten cathode material which is used for TIG welding, plasma welding, plasma cutting, electric discharge processing, a discharge lamp and the like. The tungsten cathode material is reduced in the amount of use...
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WO/2011/050186 |
A control module for an EDM device, comprises: controls for managing power supplied to the EDM device, taking voltage measurements, calculating responses, and controlling advancement of an electrode of the EDM device. The EDM device may ...
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WO/2011/050186 |
A control module for an EDM device, comprises: controls for managing power supplied to the EDM device, taking voltage measurements, calculating responses, and controlling advancement of an electrode of the EDM device. The EDM device may ...
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WO/2011/047838 |
The invention relates to a method for producing an electrode (16, 18) for the electrochemical processing of a work piece, comprising the steps of: preparing an electrically conductive graphite substrate (10); applying at least one thin f...
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WO/2011/039546 |
A method of contactlessly machining a workpiece (16) is disclosed. A tool (2) is advanced in a direction towards the face of the workpiece (20), thereby removing material from the face of the workpiece (20) by a change of state of the ma...
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WO/2011/039546 |
A method of contactlessly machining a workpiece (16) is disclosed. A tool (2) is advanced in a direction towards the face of the workpiece (20), thereby removing material from the face of the workpiece (20) by a change of state of the ma...
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WO/2011/039526 |
A method of splitting a ring, such as a cage (14) for a bearing such as a roller or ball bearing, comprising splitting a ring in such a way that there are provided projections and recesses (31-35, 37-43) in the facing surfaces thereby pr...
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WO/2011/036924 |
Disclosed is a wire electric discharge machining apparatus, which is provided with: a wire electrode having a plurality of cutting wire sections, which are provided parallel to each other by being spaced apart from each other and face a ...
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WO/2011/015559 |
The invention relates to a method for electrochemical processing of at least one workpiece, comprising at least the following steps: a) setting a first flow density (2) during a first phase (1) in an electrolyte, b) retaining the first f...
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WO/2011/006039 |
The velocity and method of delivery of dielectric flushing fluid through an electrical discharge machine work zone is sufficiently high so that the material of the workpiece adjacent to cut is not degraded in metallurgical quality. This ...
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WO/2011/004426 |
Disclosed is a wire electric discharge machining apparatus in which a pulse voltage is applied between a wire electrode (1) and an article (2) to be machined to perform electric discharge machining, wherein the apparatus is provided with...
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