| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 05/06/1987 | EP0220436A2 Device for straightening and cutting a metal wire |
| 05/05/1987 | US4663509 Apparatus for insertion of electrode wire in the wire conduit of a lower arm |
| 04/29/1987 | EP0219698A2 Wire electrode discharge machining apparatus with nozzle gap control |
| 04/29/1987 | EP0219587A1 Traveling-wire electroerosion machine with swiveling nozzle assembly |
| 04/28/1987 | US4661678 EDM apparatus provided with means for holding a portion cut off from the workpiece |
| 04/21/1987 | US4659893 Method and apparatus for controlling the gap conditions in travelling wire EDM by electromagnetic force |
| 04/15/1987 | EP0218340A1 Method and apparatus for electric discharge machining |
| 04/15/1987 | EP0217957A1 Wire-cutting electric discharge processing apparatus and method of controlling same |
| 04/14/1987 | US4656788 Variable orbital drive mechanism |
| 04/09/1987 | WO1987001981A1 Apparatus and method for working electrically conductive materials by electric erosion |
| 04/08/1987 | EP0217188A1 Electroerosive machining method and apparatus |
| 04/07/1987 | US4656326 Reference system at a wire electric discharge machine |
| 04/07/1987 | US4655888 Method and apparatus for the electroerosive working of workpieces |
| 04/02/1987 | DE3631331A1 Machining fluid for electrical discharge wire cutting of a workpiece |
| 04/01/1987 | EP0216276A2 Semiconductor logic tester with fast-recovery power supply |
| 03/31/1987 | US4654498 Electrical discharge machining electrode for forming minute holes in a workpiece and electrical discharge machining apparatus employing such an electrode |
| 03/31/1987 | US4654497 Contact sensing apparatus in electric discharge machine |
| 03/26/1987 | WO1987001637A1 Apparatus for detecting completion of automatic connection of wire electrode |
| 03/26/1987 | WO1987001636A1 Method for detecting position of breakage of wire electrode of wire cut electric spark machine |
| 03/26/1987 | WO1987001635A1 Initial hole cutout apparatus |
| 03/26/1987 | DE3533001A1 Method for fixing tools and/or workpieces on a machine tool and a fixing device for carrying out the method |
| 03/24/1987 | US4652717 Selective power supply for travelling wire EDM apparatus |
| 03/24/1987 | US4652716 Process and mechanism for threading the electrode wire of an EDM apparatus |
| 03/18/1987 | EP0214295A1 Apparatus for controlling tapering operation of wire-cutting electric discharge processing machine |
| 03/18/1987 | CN86106290A Electroerosion process and electroerosion machine for performing the process |
| 03/12/1987 | DE3618521C1 Device for clamping in position non-rotating workpieces |
| 03/10/1987 | US4649252 Wire-cut electric discharge machining method |
| 03/03/1987 | US4647747 Arm extending through a work pan of a wire EDM permitting improved arm movement |
| 02/26/1987 | WO1987001064A1 Mechanism for feeding wire in wire cut electric discharge machine |
| 02/26/1987 | WO1987001063A1 Device for automatic connection of wire electrode in wire cut electric spark machine |
| 02/25/1987 | EP0211800A1 Electroerosion process and installation therefor |
| 02/25/1987 | EP0211085A1 Wire-cutting electric discharge processing method and apparatus |
| 02/24/1987 | US4645894 Travelling wire EDM apparatus provided with electrode wire changer |
| 02/17/1987 | US4644125 D.C. motor driven EDM head |
| 02/17/1987 | US4644124 Wire electrode type electrical discharge machining method |
| 02/12/1987 | DE3527776A1 Device for the positively engaged conversion of a rotary motion into a reciprocating motion |
| 02/04/1987 | EP0210482A1 Apparatus for cutting an electrode in the shape of a wire or tape, having been carried off by an electroerosion machine |
| 01/29/1987 | WO1987000468A1 Initial hole machining device for wire-cut electric discharge machine |
| 01/29/1987 | WO1987000467A1 Electric discharge machining apparatus of wire-cutting type |
| 01/28/1987 | EP0209960A2 Drilling depth and rate monitor |
| 01/28/1987 | EP0209792A1 Process for controlled return traverse motion of a lowering electrode in an electroerosion machine |
| 01/21/1987 | CN86105615A Wire cutting means for cutting a strip-like or wine electrode removed from an electroerosion machine |
| 01/20/1987 | US4638140 Apparatus for guiding a wire electrode of a wire electrode discharge machine |
| 01/20/1987 | US4638139 Electrical discharge machine cooling fluid containment apparatus |
| 01/15/1987 | WO1987000103A1 Wire cut electric spark machine |
| 01/15/1987 | WO1987000102A1 Wire cut electric spark machine |
| 01/15/1987 | DE3524377A1 Electroerosion cutting machine in an open-front type of construction |
| 01/14/1987 | CN86200210U Electrode wire-setting and vibration-preventing device for electric spark machine tool |
| 01/14/1987 | CN86102230A Spark erosion machine |
| 01/08/1987 | DE3620965A1 Method for securing the position of a metal component on a spark erosion machine, device for carrying out the method and application of the same |
| 01/06/1987 | US4634827 Electrical discharge machining apparatus including gap condition detection circuitry |
| 01/06/1987 | US4634825 Apparatus for scavenging the erosion zone of spark-erosive cutting plants |
| 12/31/1986 | WO1986007552A1 Method for fabricating a filiform electrode for electro-erosion machining |
| 12/31/1986 | CN85104689A Circuit arrangement for producing eroding pulses on a spark erosion installation |
| 12/30/1986 | US4633053 Electrical discharge machine with automatically replaceable electrodes |
| 12/30/1986 | EP0206041A2 Method for the automatic and repetitive threading of the wire electrode of a wire-cutting discharge machine, and device for carrying out the method |
| 12/24/1986 | CN85104690A Method and apparatus for the electroerosive working of workpieces |
| 12/24/1986 | CN85104688A Method for the adaptive control of operating parameters during spark-erosive cutting and spark erosive cutting plant for the same |
| 12/24/1986 | CN85104687A Apparatus for scavenging the erosion zone of spark-erosive cutting plants |
| 12/23/1986 | US4631237 Wire electrode for spark-eroding systems |
| 12/18/1986 | WO1986007294A1 Wire cut electric spark machine |
| 12/17/1986 | EP0204976A2 Wire guide for guiding the wire electrode of an electroerosion machine |
| 12/16/1986 | US4629856 Traveling-wire backing support EDM method and apparatus |
| 12/16/1986 | US4629855 Electroerosive cutting method and apparatus with a bar-supported electrode tape |
| 12/16/1986 | US4629854 TW-electroerosion with means for regulating flushing liquid in cutting slot |
| 12/09/1986 | US4628173 Fabricating machine |
| 12/09/1986 | US4628172 Gap energizing system for TW electroerosion |
| 12/09/1986 | US4628171 Mechanical feed EDM machine for making threaded and nonthreaded bores |
| 12/03/1986 | CN86200502U Guide pulley device for linear cutting of rotating end surface |
| 12/03/1986 | CN86103759A Wire gnidance arrangement for guiding a wire electrode of a spark erosion machine |
| 12/02/1986 | US4626645 Automatic TW electroerosion machining system |
| 12/02/1986 | US4626332 Flushing fluid recycling system for electroerosion |
| 11/26/1986 | EP0202452A2 Holding and reference system for a wire electroerosion machine |
| 11/20/1986 | EP0201911A1 Device for orienting the guiding heads of a wire electrode for electroerosion cutting |
| 11/20/1986 | EP0201773A1 Method to rethread a wire electrode in a working gap, and device for carrying it out |
| 11/18/1986 | US4623772 Apparatus and method for EDM polishing |
| 11/11/1986 | US4622450 Method of measuring flexure value of wire electrode |
| 11/11/1986 | US4622449 Using the weight of the electrode or workpiece to control EDM working conditions |
| 11/11/1986 | US4621821 Apparatus for the clamping of elongate workpieces |
| 10/23/1986 | WO1986006014A1 Electrode holder for electric discharge processing machines |
| 10/22/1986 | EP0198230A1 Electroerosion machine |
| 10/22/1986 | EP0198229A1 Device for breaking off the wire-like or strip-like electrode in an electroerosion machine |
| 10/21/1986 | US4618761 Electrode cutting apparatus for wire cut electric discharge machine |
| 10/15/1986 | EP0197160A1 Method of machining by electroerosive wire-cut discharge |
| 10/14/1986 | US4617443 EDM apparatus pulse generator |
| 10/09/1986 | WO1986005732A1 Method of making punching dies |
| 10/08/1986 | CN85108782A Spark eroder with fixed machine table and lowerable working container for the dielectric |
| 09/30/1986 | US4614854 Wire EDM control circuit for rough and finished machining |
| 09/23/1986 | US4613740 Guide holders of electrodischarge machining apparatus having wire electrode |
| 09/17/1986 | EP0194353A1 Catching device for pieces of waste in an electroerosion machine |
| 09/16/1986 | US4612101 Apparatus for the electrochemical etching of grooves of very small width |
| 09/10/1986 | EP0193610A1 Wire cutting discharge processing machine |
| 09/10/1986 | CN86101714A Apparatus for securing waste fragments on a spark erosion machine |
| 09/09/1986 | US4611107 Precision TW electroerosion with superimposed multiple opening guides |
| 09/02/1986 | US4609803 TW-EDM method and apparatus with a ferromagnetic wire electrode |
| 08/26/1986 | US4608478 Wire electrode clamping mechanism of wire-cut electric discharge machine |
| 08/26/1986 | US4608476 Retraction control for 3D-path controlled generic electrode electroerosion |
| 08/26/1986 | US4608475 Method of and apparatus for resetting a wire electrode in an operating setup on an electroerosion machine |
| 08/26/1986 | US4608143 TW-electroerosion apparatus with wheeled drive carriages |
| 08/20/1986 | EP0191314A1 Device for machining work pieces |