| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 06/30/1998 | US5773781 Profiling electrical discharge machining apparatus |
| 06/30/1998 | CA2144265C Process of electric discharge position detection and process of electric discharge machining |
| 06/30/1998 | CA2018695C Apparatus for clamping workpieces which have to be machined by a machine tool |
| 06/24/1998 | EP0849034A1 Coupling device |
| 06/23/1998 | US5770831 Power supply system for an electric discharge machine |
| 06/23/1998 | US5770830 Method and apparatus for wire-cutting curved workpieces by compensating machining parameters on wire-cut electric discharge machine |
| 06/16/1998 | US5768136 Method and apparatus for deciding trace of tool to be moved |
| 06/16/1998 | US5767473 Method and apparatus for electrical discharge machining with an adsorption device and agitator in the work tank |
| 06/10/1998 | EP0846519A1 Pneumatic driven automatic chuck |
| 06/10/1998 | EP0673702B1 Device and method for electric discharge machining |
| 06/09/1998 | US5763843 Device and method for electrical discharge machining |
| 06/09/1998 | US5762726 Wire electrode and process for producing a wire electrode, particular for a spark erosion process |
| 06/03/1998 | EP0845320A1 Method and apparatus for electroerosion machining |
| 06/03/1998 | EP0636444B1 Method and apparatus for discharge machining control |
| 05/26/1998 | US5756956 Wire-cut electric discharge machining apparatus and control method therefor |
| 05/26/1998 | US5756954 Wire electric discharge machining method at a corner |
| 05/26/1998 | US5756953 Electroerosion machine for wire cutting a stationary workpiece |
| 05/20/1998 | EP0686452B1 Method and apparatus for controlling wire electrode tension |
| 05/19/1998 | US5753882 Electrical discharge machine with pulses of both polarities |
| 05/19/1998 | US5753881 Method and apparatus for rotating a machining portion of an electrodischarge machine |
| 05/19/1998 | US5753880 Method of automatically recovering wire breakage in wire electric discharge machine |
| 05/19/1998 | US5753879 Self-spinning electro-spark linear cutting machine |
| 05/14/1998 | DE19646677A1 Wire guide for wire electrode spark erosion machine |
| 05/14/1998 | DE19646461A1 High precision detachable clamping arrangement |
| 05/12/1998 | US5751589 Method for creating a machining condition series |
| 05/12/1998 | US5750951 Power supply system for an electric discharge machine |
| 05/07/1998 | DE19722425A1 The apparatus and method for discharge processing |
| 05/06/1998 | EP0839622A2 Method for manufacturing master of die for shaping golf ball |
| 04/28/1998 | US5744775 Wire electrode discharge machine and method |
| 04/22/1998 | EP0680800B1 Method for automatically adjusting the gap of an upper nozzle for a wire electric discharge machine |
| 04/22/1998 | CN2279235Y Electrospark wire-electrode cutting machine tool with taper cutting device |
| 04/21/1998 | US5742018 Device for and method of setting machining conditions for electrical discharge machining |
| 04/15/1998 | CN1038021C Cutting method for workpiece by electric spark machining |
| 04/15/1998 | CN1038020C Method and apparatus for electric discharge machining of cutting tips |
| 04/14/1998 | US5739497 Method of and apparatus for increasing the productivity of an electroerosion drill |
| 04/14/1998 | US5738777 Method of electrochemically machining workpieces |
| 04/09/1998 | WO1998014298A1 Wire cut electric discharge method and apparatus |
| 04/09/1998 | DE19640790A1 Method and apparatus for spark erosion machining |
| 04/08/1998 | EP0664179B1 Display device for indicating wire connecting condition |
| 04/08/1998 | EP0664178B1 Wire cut electric discharge machine having automatic wire connecting function |
| 04/08/1998 | CN1037946C Electroerosion machine for wire cutting a stationary workpiece |
| 04/01/1998 | EP0832042A2 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
| 04/01/1998 | CN1037900C Self-rotary spark linear cutting machine tool |
| 03/19/1998 | WO1998010883A1 Method of electrochemically machining workpieces |
| 03/18/1998 | CN2276388Y High and low speed wire-moving fine structure for electric spark wire cut-off machine tool |
| 03/17/1998 | US5728345 Method for making an electrode for electrical discharge machining by use of a stereolithography model |
| 03/12/1998 | WO1998009764A1 High-strength erosion electrode |
| 03/10/1998 | US5725307 Wire temperature distribution measuring method for a wire electric discharge machine |
| 03/05/1998 | DE19635775A1 Hochfeste Erodierelektrode High-strength erosion electrode |
| 03/04/1998 | EP0826455A1 Automatic pincer for electroerosion electrodes |
| 02/25/1998 | EP0824390A1 Wire feed device on a machine for the electrical discharge machining of work pieces |
| 02/25/1998 | EP0824389A1 Device for use in electrical discharge machining of work pieces |
| 02/24/1998 | US5721414 Thermal diffusion of zinc into the thickness of copper or copper alloy of entry wire to form a surface layer; alloying |
| 02/19/1998 | WO1998007201A1 Bearings and supports |
| 02/19/1998 | WO1998007200A1 Drive mechanism |
| 02/11/1998 | CN1172711A Method and device for controlling machine tool, in particular EDM mahchine tool |
| 01/28/1998 | CN2273234Y Oil Supply valve of working liquid groove for electric sparks forming machine tool |
| 01/28/1998 | CN2273233Y Liquid supply mechanism of working liquid groove for electric spark forming machine tool |
| 01/28/1998 | CN2273232Y Permanent-magnetic DC brushless constant force moment electric wire-storing machine on wire cutting machine |
| 01/21/1998 | EP0819493A1 Electric spark machine with a handling robot |
| 01/21/1998 | CN1170648A Electrical discharge apparatus and electrical discharge machining method |
| 01/15/1998 | WO1998001255A1 Device for electrochemically machining recesses |
| 01/08/1998 | WO1998000264A1 Machine for machining tooth flanks of a cutting tool |
| 01/02/1998 | DE19710458A1 Electroerosive machining process |
| 12/29/1997 | EP0664177B1 Method of and apparatus for detecting positions where wire failure occurs in wire electrical discharge machine |
| 12/29/1997 | EP0649697B1 Apparatus for electric discharge machining, and method for setting machining condition for the apparatus |
| 12/24/1997 | CN1168306A Wire transport system for electrical discharge machining apparatus |
| 12/18/1997 | DE19623388A1 Wire breakage prevention device for arc erosion cutting machine |
| 12/17/1997 | CN1168117A Method and instrument for determining position where wire electrode is in contact with workpiece |
| 12/16/1997 | US5698115 Electrical discharge machine |
| 12/10/1997 | EP0811701A1 Method of hot-dip-zinc-plating an electroerosion wire and wire obtained |
| 12/03/1997 | EP0810498A1 Position deviation correction method of working point |
| 12/03/1997 | EP0810060A1 Coupling adapter |
| 11/26/1997 | CN1165722A Linear cut-off machine and its working method |
| 11/19/1997 | CN1165495A Wire cut electric discharge machining device |
| 11/19/1997 | CN1165494A Electric discharge machining apparatus and electric discharge machining method |
| 11/18/1997 | US5689427 Method and apparatus for optimal feedrate control on wire-cutting electric discharging machine (WEDM) |
| 11/18/1997 | US5688392 Machining by electrical removal of materials utilizing dispersions of insoluble particles |
| 11/13/1997 | DE19629298A1 Sealed passage arrangement for an electrode carrier arm |
| 11/13/1997 | DE19614201A1 Method and apparatus for controlling a machine tool, in particular, a spark erosion machine |
| 11/06/1997 | WO1997035810A3 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
| 10/30/1997 | DE19627567C1 Apparatus for electrochemical production of cut-out in bore surface |
| 10/29/1997 | EP0803308A1 Wire cut electric discharge machining device |
| 10/29/1997 | EP0803307A1 Method and instrument for determining position where wire electrode is in contact with workpiece |
| 10/28/1997 | US5681488 Electrical discharge machine which uses voltages of opposite polarity |
| 10/23/1997 | DE19653168A1 Working fluid storage unit for spark erosion machining operation |
| 10/23/1997 | DE19614131A1 Control of NC- or CNC-machine tool such as spark erosion machine |
| 10/23/1997 | DE19614128A1 Control of NC or CNC spark erosion machine tool for mfg. punches and dies |
| 10/22/1997 | EP0802008A1 Method for wire electroerosion cutting, and apparatus therefor |
| 10/22/1997 | EP0801598A2 Method of electrochemically machining workpieces |
| 10/22/1997 | EP0667202B1 Protective construction of sealing mechanism for processing liquid vessel in wire electrical discharge machine |
| 10/22/1997 | CN1163003A Process and device for controlling EDM machines |
| 10/22/1997 | CN1162512A Processing liquid container of spark machining apparatus |
| 10/16/1997 | DE19614200A1 Electroerosive cutting |
| 10/15/1997 | EP0801341A2 Wire electro-discharge machine and operation method therefor |
| 10/15/1997 | EP0801340A1 Method and device for controlling a machine tool, in particular an electro-erosion machine |
| 10/15/1997 | EP0800886A1 Wire electrode structure, method for manufacturing, and application in electroerosion machining |
| 10/15/1997 | EP0800432A1 Electrode for electrochemical machining, method of electrochemical machining with said electrode, a bearing and a method of determining a profile using said electrode |
| 10/14/1997 | US5676860 Electric discharge machine with electrode or object vibration and detection of abnormal gap condition |
| 10/08/1997 | EP0799665A1 Wire electrode for electro-discharge machining and method of manufacturing same |