| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219690150 | Electrodes | 56 |
| 20080223828 | Step-down plunge electrodischarge machining - 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 further includes forming the pattern at each of the plurality of locations by passing electrical charges repeatedly between the shaped electrode and the workpiece and advancing the shaped electrode into the workpiece for a fraction of a full depth of the pattern. The method further includes repeating the positioning and forming steps a plurality of times until the full depth of the pattern has been formed at each of the plurality of locations. | 09-18-2008 |
| 20090001053 | ROUGH MACHING METHOD AND ELECTROEROSION TOOL PERFORMING THE SAME - A rough machining method for machining a channel in a workpiece includes the steps of: provide a power supply to energize one of a workpiece and an electrode as an anode and the other as a cathode; advance the electrode into the workpiece from a first start point to travel a first toolpath, so as to generate a first annular groove with a first core connecting with the workpiece; advance the electrode into the workpiece from a second start point to travel a second toolpath, so as to generate a second annular groove with a second core connecting with the workpiece, wherein the second annular groove intersects with the first annular groove and the first and the second cores are at least partially broken and disconnected with the workpiece upon intersecting of the first and the second annular grooves; and circulating a cutting fluid cross a working gap between a working face of the electrode and the workpiece. | 01-01-2009 |
| 20090166334 | Microshaft Forming Method, Microshaft Formed by This Method and Microshaft Forming Apparatus - A microshaft forming method and apparatus for forming a microshaft without requiring high level of stillness required by conventional methods. The microshaft forming apparatus comprises an elongated electrode ( | 07-02-2009 |
| 20090188894 | WELDING GUIDE NOZZLE INCLUDING NOZZLE TIP FOR PRECISION WELD WIRE POSITIONING - A welding guide nozzle for precision weld positioning of a feedstock material in a welding system. The welding guide nozzle includes a nozzle structure defining a substantially cylindrical holding apparatus that tapers at one end to define a nozzle tip. The holding apparatus and the nozzle tip include concentric bores defined therein. An erosion resistant rod is disposed within the bore defined in the nozzle tip. The erosion resistant rod includes a bore defined therein into with the weld feedstock material is disposed. The erosion resistant material is formed of a high heat resistive material thereby permitting positioning in close proximity to a heat source. | 07-30-2009 |
| 20090200274 | Electrode Arrangement for Electrical Discharge Machining on an Electrically Non-Conductive Material - The invention relates to an electrode arrangement for the electrical discharge machining of an electrically non-conductive material, which comprises a first component for removing the electrically non-conductive material and a second component for depositing an electrically conductive substance on the electrically non-conductive material. | 08-13-2009 |
| 20090230093 | ELECTRICAL DISCHARGE POCKETING USING LOOP TYPE MACHINING ELECTRODE - An electrode for EDM. | 09-17-2009 |
| 20100000974 | ELECTRODE FOR ELECTRICAL-DISCHARGE SURFACE TREATMENT AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing an electrode for electrical-discharge surface treatment includes kneading a first electrode material composed of at least one of metal powder and insulating powder and a second electrode material composed of conductive organic bonding agent in which a conductive resin is dissolved or dispersed in a solvent, to fabricate a slurry; molding the slurry, to form a compact; and desiccating the compact at a temperature below a thermal decomposition initiating temperature at which a thermal decomposition of the conductive organic bonding agent starts. | 01-07-2010 |
| 20100012627 | Material Piece Scooping Device - A material piece scooping device, which extracts a material piece from a surface of an object to be scooped by generating electric discharge between an electric discharge electrode and the object to be scooped, includes a rotation drive section | 01-21-2010 |
| 20100012628 | ABRASION ASSISTED WIRE ELECTRICAL DISCHARGE MACHINING PROCESS - 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 electrically conductive core and an external surface embedded with an electrically non-conductive abrasive material. | 01-21-2010 |
| 20100089876 | EDM SPINDLE ASSEMBLY WITH FLUID SEAL - 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 threaded inside diameter is formed in the tail end of the electrode holder. The seal holder comprises a threaded outside diameter, a tail end, a nose end, and an electrode accommodating passage. The seal accommodating space is formed in the tail end of the seal holder. The threaded outside diameter of the seal holder is suitable for threaded engagement with the threaded inside diameter of the counter bore. The pull stud comprises a threaded outside diameter, a tail end, a nose end, and an electrode accommodating passage. The threaded outside diameter of the pull stud is suitable for threaded engagement with the threaded inside diameter of the counter bore. The threaded inside diameter of the counter bore in the electrode holder comprises a longitudinal threading dimension that is sufficient to accommodate the entire longitudinal threaded outside diameter of the seal holder and a significant portion of the longitudinal threaded outside diameter of the pull stud, with the fluid seal positioned in the seal accommodating space. | 04-15-2010 |
| 20100096365 | HAND-HELD ELECTRO-DISCHARGE DEVICE - 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-held device brings the dielectric fluid, power supply, and control system structure to the fastener in a compact tool to permit EDM machining to be brought to large structures. | 04-22-2010 |
| 20100163529 | ELECTRODE WIRE FOR WIRE ELECTRODISCHARGE MACHINING, METHOD OF MANUFACTURING THE SAME, AND SYSTEM FOR MANUFACUTRING BASE WIRE FOR THE SAME - An electrode wire for wire electrodischarge machining includes a core made of copper or copper alloy, a pure zinc layer formed by hot-dip galvanizing the core, and a relatively thin copper-zinc alloy layer formed by mutual thermal diffusion across the interface between the pure zinc layer and the core and having a zinc concentration gradient. The electrode wire is not cracked during its production. | 07-01-2010 |
| 20100200548 | FABRICATION METHOD OF ELECTRODE FOR SPARK SURFACE MODIFICATION, AND SPARK SURFACE MODIFICATION ELECTRODE | 08-12-2010 |
| 20100252533 | TRAILING EDGE MACHINING OF A WORKPIECE - A method of securing an workpiece for machining the trailing edge. The workpiece has a platform from which extends an airfoil, the airfoil including a leading edge and a trailing edge, and a pressure side and a suction side. A fixture with at least one locating datum that relates to the platform and at least one locating datum that relates to the leading edge is provided. The fixture does not contact the trailing edge of the workpiece. The workpiece is positioned so that the platform is against the related locating datum and the leading edge is against the related locating datum. The workpiece is secured within the fixture, and the trailing edge of the workpiece is machined. | 10-07-2010 |
| 20100301017 | ELECTRIC DISCHARGE MACHINING DIE SINKING DEVICE - An EDM die sinking device includes a tank for holding a fluid, and at least one electrode in the tank having a shape for imparting to a first portion of a workpiece. A workpiece holder positions the workpiece at least partially immersed in the fluid and alternately moves the workpiece between an inoperable position and a first operable position of the first electrode at which electric discharge machining occurs on the first portion. A pulse generator creates an electric discharge between the first portion and the first electrode to remove material from the first portion in response to the workpiece being in the first operable position. Movement of the workpiece from the electrode flushes particle containing fluid away from the workpiece and the electrode. A segmented electrode includes a separate pulse generator for each segment may also be employed. | 12-02-2010 |
| 20100308018 | EDM ELECTRODE GUIDE - In accordance with one embodiment of the present disclosure, an electrical discharge machine is provided comprising an EDM electrode, an electrode holder, and an electrode guide. The electrode guide comprises an internal passage profile that transitions along the machining axis from a substantially circular cross section comprising a diameter d2 to an apexed cross section. The EDM electrode extends from the electrode holder through the electrode entrance aperture of the electrode guide and out of the electrode exit aperture of the electrode guide. The apexed cross section of the electrode guide is aligned relative to the circular cross section of the electrode guide such that apexes of the electrode exit aperture lie outside of a circumferential portion of the circular cross section. A restricted circumferential portion defined by the apexed cross section comprises a diameter that is greater than the effective electrode diameter. Additional embodiments are disclosed and claimed. | 12-09-2010 |
| 20110031221 | ELECTRODE TUBE HOLDING APPARATUS FOR ELECTRIC DISCHARGE MACHINE - An electrode tube holding apparatus is mounted to an electric discharge machine (EDM). The holding apparatus is slidable upward and downward along with the spindle of the EDM and maintained within the midsection of an electrode tube for reducing the deformation of the electrode tube during its movement. | 02-10-2011 |
| 20110049107 | Electro-Discharge Electrode and Method of Use - An electrode for machining a pattern in a workpiece has a conductive body with a lattice of closed cells and a plurality of open cells. The open cells are positioned at an edge of the lattice of closed cells. The closed cells are defined by interconnected webs, and the open cells are defined by fins extending from the interconnected webs. A thickness of the fins is less than a thickness of the webs. In use, the electrode is positioned at a plurality of locations on the workpiece, such that a position of the fins of the electrode at each location overlaps a position of the fins of the electrode at an adjacent location. The pattern is formed at each of the plurality of locations by passing electrical charges repeatedly between the electrode and the workpiece and advancing the electrode into the workpiece. | 03-03-2011 |
| 20110062118 | METHOD AND MACHINE FOR MACHINING PARTS USING SPARK-EROSION MILLING - Spark-erosion machining method and machine implementing a machining gap, a process regulator, a numerical control system, a Nominal Trajectory. The latter describes the movement of the tool electrode relative to the part as it ought to proceed if no disturbance were to occur during the machining. Information contained in the Nominal Trajectory is used to define at least two control vectors Vg, Vp which orient, within the coordinate system XYZ, two independent regulation movements. The first, or Gap Vector Vg, defines the direction in which a first regulation movement of the axes of the machine must be performed to maintain the removal of material. The second, or Position Vector Vp, defines the direction in which a second regulation movement of the axes of the machining machine must be performed to correct a tool electrode position error. The respective amplitudes of the regulation movements are calculated in real time by the process regulator. | 03-17-2011 |
| 20110094998 | ELECTRODE WIRE FOR ELECTRIC DISCHARGING WORKING - An electrode wire for discharging working; the electrode wire being formed by an alloy of copper and zinc; in manufacturing process, passing the alloy with a form of fluid through a furnace so as to form with a desire shape; wherein by siphon theory, a metal tube serves to suck the alloy; the process is made continuously in a predetermined temperature; then the alloy being performed with cold-extension and annealing repeatedly so as to form with electrode wire which is stable, uniform and has a preferred electric conductivity. in the alloy of copper and zinc, the content of zinc is about 35˜45%. An extension strength of the wire is between 650 to 1150 MPa. | 04-28-2011 |
| 20110174783 | MICROHOLE ELECTRIC DISCHARGE MACHINING APPARATUS AND ELECTRIC DISCHARGE MACHINING METHOD - A microhole electric discharge machining apparatus that forms a conical inverse-tapered hole on a workpiece by a thin wire electrode, includes, an electrode holder that holds an upper part of the thin wire electrode and feeds a lower part of the thin wire electrode downward to stretch the lower part to the workpiece by rotating the thin wire electrode; a first guide member that is arranged near the workpiece upper surface and is provided with a first guide hole through which the thin wire electrode is penetrated on a hole-machining axis; a second guide member that is arranged between the first guide member and the electrode holder and is provided with a second guide hole through which the thin wire electrode is penetrated at a position eccentric from the hole-machining axis; and a swivel driving unit that circularly swivels the second guide member around the hole-machining axis. | 07-21-2011 |
| 20110226743 | WIRE ELECTRODE FOR SPARK-EROSION CUTTING - The invention relates to a wire electrode for spark-erosion cutting. The wire electrode comprises a core made of more than 50% by weight pure crystalline aluminum and/or one or more crystalline aluminum alloys, and comprises a coating layer encompassing the core and comprising copper, zinc, and/or a copper-zinc alloy. The proportion of the surface area of the core relative to the total cross-sectional area of the wire electrode is in the range from 60% to 95% along the entire length of the wire electrode. | 09-22-2011 |
| 20110233171 | METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE FORMING DIE - There is provided a method for manufacturing a honeycomb structure forming die including a liquid groove forming step for forming linear processing liquid grooves | 09-29-2011 |
| 20110233172 | WIRE GUIDE HOUSING FOR WIRE ELECTRICAL DISCHARGE MACHINING DEVICE - A wire guide housing ( | 09-29-2011 |
| 20110266258 | SELECTIVE EROSION FORMING LIGAMENTS - A device and method for removal of fasteners by Electro-discharge Machining (EDM) such that portions of the fastener, such as a flange, may be separated from other portions of the fastener, such as a shank. | 11-03-2011 |
| 20120125895 | WIRE TRANSMITTING MODULE - A wire transmitting module, disposed inside a Wire Electrical Discharge Machining (WEDM) apparatus having a roller set for providing a wire electrode, is disclosed, which comprises: a negative pressure generating device and a cylinder, being arranged for enabling the wire electrode to be drawn by the negative pressure of the negative pressure generating device so as to be sucked into the wire transmitting module automatically. When the diameter of the wire electrode is thinner than 0.1 mm, it may be too soft to be fed into the cylinder manually as it can easily be affected by airflow or static. Thus, by using the wire transmitting module for enabling the wire electrode to be sucked by the negative pressure and thus being fed into the cylinder, the electrode feeding efficiency can be greatly improved. | 05-24-2012 |
| 20120132623 | ELECTRODE HOLDER - 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. | 05-31-2012 |
| 20120152908 | ELECTRODE FOR HONEYCOMB STRUCTURE FORMING DIE - [Problems] To provide an electrode which enables obtaining a die including thin or narrow slits by electric discharge machining and which does not easily cause breakage or deformation in the die during the electric discharge machining. | 06-21-2012 |
| 20120273465 | ELECTRODE WIRE FOR ELECTRO-DISCHARGE MACHINING AND METHOD FOR MANUFACTURING THE SAME - Disclosed are an electrode wire for electro-discharge machining and a method for manufacturing the same. The electrode wire includes a core wire including a first metal including copper, a first alloy layer formed at a boundary region between the core wire and a second metal plated on an outer surface of the core wire due to mutual diffusion between the core wire and the second metal, and a second alloy layer formed due to diffusion of the first metal to the second metal. A core wire material is erupted onto a surface of the electrode wire for electro-discharge machining, which includes the core wire, the first alloy layer, and the second alloy layer, along cracks appearing on the second alloy layer, so that a plurality of grains are formed on the surface of the electrode wire. | 11-01-2012 |
| 20130037523 | ELECTRODE WIRE FOR ELECTRO-DISCHARGE MACHINING AND METHOD FOR MANUFACTURING THE SAME - An electrode wire for electro-discharge machining and a method for manufacturing the same. The method includes preparing a wire rod, which includes a first metal and has a first diameter, as a core wire, plating a second metal on the core wire, performing a fine wire process for the core wire plated with the second metal so that the core wire has a second diameter, while forming a corrugation having a predetermined pattern on a surface of the core wire having a second diameter, and performing a heat treatment process to form a first alloy layer at a boundary surface between the core wire and the second metal through a mutual diffusion between the core wire and the second metal, and to form a second alloy layer at an outer portion of the first alloy layer through diffusion of the first metal toward the second metal. | 02-14-2013 |
| 20130075370 | Machining Method and Apparatus - An apparatus is configured for use with an electrode and a CNC machine tool. The apparatus includes a holder configured to hold the electrode in a position projecting outward from the holder, and a pull stud configured to mount the holder on the CNC machine tool. The apparatus further includes a driving mechanism that is operative to provide a motive force, and a coupling configured to couple the holder with the driving mechanism when the holder is not mounted on the CNC machine tool. The holder is configured to transmit the motive force from the coupling to the electrode in the holder to move the electrode outward of the holder. | 03-28-2013 |
| 20130134133 | DEVICES AND METHODS FOR SEVERING FASTENER HEADS - 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. | 05-30-2013 |
| 20130140277 | WIRE ELECTRIC DISCHARGE MACHINING APPARATUS, WIRE ELECTRIC DISCHARGE MACHINING METHOD, THIN PLATE MANUFACTURING METHOD, AND SEMICONDUCTOR WAFER MANUFACTURING METHOD - A wire electric discharge machining apparatus includes a wire electrode, a guide roller that arranges wire electrodes in parallel by winding the wire electrode therearound, a plurality of slidable contact conductors that are in slidable contact with the wire electrodes arranged in parallel, respectively, and a power feeding jig that holds the slidable contact conductors individually and feeds power individually to the wire electrodes arranged in parallel via each of the slidable contact conductors, in which the power feeding jig includes a plurality of reference surfaces that determine a fixing interval between the slidable contact conductors. | 06-06-2013 |
| 20130161294 | TRIAXIAL DRIVING DEVICE FOR AN ELECTRODISCHARGE MACHINE TOOL - A triaxial driving device for electrodischarge machine tools having a three-liners-axes mechanism and an electrode tool and has a connecting mount, a first axial rotator, a base, a supporting arm, a second axial rotator, a third axial rotator and an electrode holder. The connecting mount is connected securely to the three-liners-axes mechanism. The first axial rotator is mounted in the connecting mount and has a rotating head. The base is connected securely to the rotating head of the first axial rotator and has a space. The supporting arm is rotatably mounted in the space of the base and has a connecting frame. The second axial rotator is securely connected to the base and the supporting arm and has a rotating head. The third axial rotator is connected to the supporting arm and has a rotating head. The electrode holder is connected to the third axial rotator and the electrode tool. | 06-27-2013 |
| 20130168363 | WIRE ELECTRIC DISCHARGE MACHINE HAVING DIELECTRIC HEATING TUBE - In the wire electric discharge machine, a heat resistant tube in which a wire electrode is inserted and a coil which is wound around the heat resistant tube and causes high frequency dielectric heating are arranged on a downstream side of a device which applies the tension to a wire electrode led from a wire bobbin but on the upstream side of an upper guide portion. Further, a turn density of the coil in a section (annealing section) of the heat resistant tube close to the inlet of the wire electrode is made lower than a coil turns density in a section (fusing and cutting section) close to an outlet of the wire electrode. | 07-04-2013 |
| 20130264314 | ELECTRODE FOR ELECTRIC DISCHARGE MACHINING - In electro-discharge machining by using an electro-discharge machining electrode of a Cu(Ag)—W(Mo) material, the machining speed, the electrode wear ratio, and the surface roughness of a work piece are improved. For this purpose, to the Cu(Ag)—W(Mo) material, borates of an element selected from a group (M3) consisting of Mg, Ca, Sr, Ba, Sc, Y, and lanthanide and an iron group metal are added by appropriate amounts. As the borate compounds, particularly, it is preferred to use borate compounds expressed by M3 | 10-10-2013 |
| 20130277336 | DEVICES AND METHODS FOR DISSECTING FASTENER HEAD AND SLEEVE BUFFER - A device and method for removal of fasteners by force-less electrical erosion and disintegration (“FEED”) such that portions of the fastener, such as a flange, may be separated from other portions of the fastener, such as a shank and sleeve, further facilitate removal of the same. The device and method may be applied to fasteners having a rotationally loose fit within the sleeve. | 10-24-2013 |
| 20130319974 | SPARK EROSION TOOL AND ELECTRODE FOR A SPARK EROSION TOOL - A spark erosion tool ( | 12-05-2013 |
| 20140001158 | SYSTEMS AND METHODS FOR REPAIRING ENCASED COMPONENTS | 01-02-2014 |
| 20140042127 | Electrical Discharge Machine - To provide an electrical discharge machine in which a wire electrode can be angled in the left-right direction (u direction) and the front-back direction (v direction), an electrical discharge machine according to an embodiment of the present invention includes a lower support part ( | 02-13-2014 |
| 20140110379 | ELECTRODE WIRE FOR ELECTRO-DISCHARGE MACHINING AND METHOD FOR MANUFACTURING THE SAME - An electrode wire for electro-discharge machining includes a core wire including a first metal including copper and having one of phases α, α+β′, and β′, a first alloy layer formed at a boundary region between the core wire and a second metal plated on an outer surface of the core wire due to mutual diffusion between the core wire and the second metal and having a phase β′, and a second alloy layer formed due to diffusion of the first metal to the second metal and having a phase γ and/a phase ε. A core wire material is erupted onto a surface of the electrode wire for electro-discharge machining, which includes the core wire, the first alloy layer, and the second alloy layer, along cracks appearing on the second alloy layer, so that a plurality of grains are formed on the surface of the electrode wire. | 04-24-2014 |
| 20140183164 | NON-LINE OF SIGHT ELECTRO DISCHARGE MACHINING SYSTEM - An electro discharge machining system includes a guide having first and second portions that are non-colinear with respect to one another. A consumable electrode is housed within the guide and configured to drill cooling holes in a component. A controller is programmed to position the guide and electrode to a desired position with respect to the component. An electro discharge machining guide includes first and second portions that are non-colinear with respect to one another and that include a passage configured to receive an electrode. | 07-03-2014 |
| 20140339200 | ELECTRODE WIRE FOR ELECTRO-DISCHARGE MACHINING AND METHOD FOR MANUFACTURING THE SAME - Disclosed are an electrode wire for electro-discharge machining and a method for manufacturing the same. The electrode wire includes a core wire including a first metal including copper, a first alloy layer formed at a boundary region between the core wire and a second metal plated on an outer surface of the core wire due to mutual diffusion between the core wire and the second metal, and a second alloy layer formed due to diffusion of the first metal to the second metal. A core wire material is erupted onto a surface of the electrode wire for electro-discharge machining, which includes the core wire, the first alloy layer, and the second alloy layer, along cracks appearing on the second alloy layer, so that a plurality of grains are formed on the surface of the electrode wire. | 11-20-2014 |
| 20140353284 | COOLING CHANNEL FORMED IN A WALL - A wall in which there is formed at least one cooling channel, said wall being cooled by cool air flowing in the channel, the channel comprising a hole and a diffusion portion, the hole opening out at one end into the inside surface of the wall, and at its other end into the diffusion portion where it forms an orifice, the diffusion portion flaring around said orifice and opening out into the outside surface of the wall, the diffusion portion having a bottom whose front end is substantially plane, sloping, and extending in front of the orifice, and also having a margin extending behind, round the sides, and in front of the orifice, said margin joining the sides of the front end. A method and an electrode for making such a cooling channel. A turbomachine blade presenting such a wall. | 12-04-2014 |
| 20140367364 | SINKER ELECTRIC DISCHARGE MACHINING APPARATUS - A sinker electric discharge machining apparatus includes a quill | 12-18-2014 |
| 20150014281 | ELECTRODE AND METHOD FOR MANUFACTURING THE SAME - An electrode applied in electro-machining processes is provided. The electrode comprises a main body portion and at least one built-in internal flushing passage for introducing a flushing liquid to a volume between the electrode and a workpiece to be machined. The electrode is made by an additive fabrication process that enables specialized flushing for enhancing waste material evacuation and incorporate special material properties like zones of high electrical conductivity and thermal resistance. The fabrication process produces materials and geometries that could not otherwise be made using conventional processing. | 01-15-2015 |
| 20150027991 | WIRE ELECTRODE FOR THE SPARK-EROSIVE CUTTING OF ARTICLES - The invention relates to a wire electrode ( | 01-29-2015 |
| 20150096960 | Apparatus and Method for Machining Internal Portions of a Valve Body - Described herein is an electric discharge machining (EDM) assembly having an EDM electrode capable of machining multiple regions of a valve seat within a valve body. The electrode includes two cutting surfaces that are separate from each other. The EDM assembly is capable of removing material from a first region of a valve seat while moving the first cutting surface in a first direction and capable of removing material from a second region while moving the second cutting surface in a second direction. | 04-09-2015 |
| 20150114937 | ECCENTRIC ELECTRODE FOR ELECTRIC DISCHARGE MACHINING, METHOD OF MANUFACTURING THE SAME, AND MICRO ELECTRIC DISCHARGE MACHINING APPARATUS INCLUDING THE SAME - Provided are an eccentric electrode for an electric discharge machining apparatus, a method of manufacturing the same, and a micro electric discharge machining apparatus including the same that are capable of generating a micro cylindrical shape on a workpiece with simple operations. The electrode for an electric discharge machining apparatus having a machining head is provided. The electrode includes a first member rotatably attached to the machining head and having a rotation axis, and a second member mounted on the first member, eccentrically disposed with respect to the rotation axis of the first member, and having an inverse tapered shape facing away from the machining head. Accordingly, a conveyance path for machining the object being processed can be simplified to increase its efficiency. | 04-30-2015 |
| 20150298231 | PORTABLE MICRO-DEBURRING COMPONENT USING MICRO-ELECTRICAL DISCHARGE MACHINING PROCESS - A deburring subassembly has a controller to generate an electrical current and move a deburring tool bit from a non-deburring position to a range of deburring positions. The electrical current permits deburring of the workpiece without damaging it. A workpiece securement subassembly secures the workpiece for formation on a computer numerical controlled (CNC) machine tool and also holds the workpiece in place for deburring. The electrical current is provided to a deburring tool bit. The controller thereby controls movement of the deburring tool bit to the range of deburring positions and generates the electrical current to deburr the workpiece. | 10-22-2015 |
| 20150328705 | MACHINING SYSTEM AND TOOL HOLDING APPARATUS THEREOF - A machining system for electromachining a workpiece that in one embodiment includes a machine tool, a cutting tool for performing the eletromachining, and a tool holding apparatus for conductively holding the cutting tool and coupled to the machine tool. The tool holding apparatus includes a holding element for holding the cutting tool and at least one solution releasing element. The solution releasing element is used to receive machining solution and release the machining solution onto a predetermined area of the cutting tool through at least one group of channels. Each group of channels includes at least two channels configured to respectively release the machining solution onto at least two adjacent sections in the predetermined area of the cutting tool. | 11-19-2015 |
| 20150360309 | ELECTRODE WIRE FOR WIRE ELECTRIC DISCHARGE MACHINING, AND METHOD FOR PRODUCING SAME - An object of the present invention is to improve machining speed by realizing both conductive properties and discharge performance with regard to an electrode wire for wire electric discharge machining, the electrode wire being obtained by plating a steel wire with a copper-zinc alloy. Another object is to suppress the occurrence of separation, cracking, and the like of plating in a wire-drawing step of an electrode wire. An electrode wire for wire electric discharge machining of the present invention includes a steel wire ( | 12-17-2015 |
| 20160129512 | WIRE ELECTRODE FOR THE DISCHARGE CUTTING OF OBJECTS - A wire electrode for spark erosion is proposed, having a total diameter between 0.05 and 0.4 mm, an inner steel core made of steel and an outer coating surrounding the steel core, which electrode is cost-effective and simultaneously satisfies the mechanical and electrical demands placed thereon, it is further proposed that the coating has an iron-zinc alloy layer and the thickness of the iron-zinc alloy layer at its thinnest point is greater than 5% of the total diameter and at its thickest point is less than 25% of the total diameter. | 05-12-2016 |
| 20160151848 | WIRE ELECTRODE FOR ELECTRICAL DISCHARGE MACHINING | 06-02-2016 |
| 20160158863 | WIRE ELECTRIC DISCHARGE MACHINE CONTROLLER HAVING WIRE ELECTRODE REPLACEMENT FUNCTION - A controller for controlling a wire electric discharge machine is configured to monitor the remaining lifetime of a wire electrode and calculates an electric discharge machining time, thereby determining the timing of replacement of the wire electrode, so that it can recognize the timing of interruption of electric discharge machining. Consequently, a program operation can be suspended and the wire electrode can be cut and automatically replaced at that timing. After the replacement of the wire electrode, moreover, the wire electrode can be connected and the program operation can be restarted. | 06-09-2016 |
| 20190143431 | TOOL ELECTRODE FOR AND METHODS OF ELECTRICAL DISCHARGE MACHINING | 05-16-2019 |
