| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 06/11/1992 | WO1992009396A1 Core treating apparatus and method |
| 06/11/1992 | DE4138092A1 Controlling operation of work process esp. electroerosion - involves establishing a range of work specifications and functions, removing work condition data and counting up combination values and calculation of satisfaction values |
| 06/09/1992 | CA1303145C Spark erosion machining apparatus |
| 06/03/1992 | EP0488026A2 Wire electric discharge machining method for machining entrance lines and apparatus therefore |
| 06/03/1992 | EP0168501B1 Area machining method |
| 06/03/1992 | CN2106025U V-directional swinging device of wire frame with large taper of linear cutting machine |
| 06/02/1992 | US5118915 Electric discharge machine |
| 06/02/1992 | US5118914 Protective device for machining heads |
| 06/02/1992 | US5118572 Copper alloy deposit |
| 05/27/1992 | DE4037276A1 Spark erosion gap width regulation - with continuous predetermined tool electrode oscillation to eliminate cyclic delay and response to gap information to be accelerated |
| 05/27/1992 | CN1016764B Method for the electroerosive machining of electrically slightly or non-conductive workpieces, as well as electro-erosion machine for performing the method |
| 05/26/1992 | US5117083 Jump control system for an electric discharge machine |
| 05/26/1992 | US5117082 Device and process for controlling the variation of a parameter in edm machining with an electrode-wire |
| 05/26/1992 | CA1301857C Low force wire guide for edm machine |
| 05/26/1992 | CA1301856C Wire guide for electric discharge machine |
| 05/20/1992 | EP0485947A2 Electrical discharge machining control unit |
| 05/19/1992 | US5115112 Spark erosion machining device and method for correcting for the wear of a machining electrode |
| 05/19/1992 | US5114548 Orbital electrochemical machining |
| 05/13/1992 | EP0485365A1 Device for mounting an electrospark machining electrode |
| 05/13/1992 | CN1016590B Method and equipment for improving quality of work piece surface |
| 05/12/1992 | US5113051 Method of returning a wire electrode when broken in a wire cut electric discharging machine |
| 05/12/1992 | US5113050 Method of creating coreless-machining nc data for wire cut electric discharge machining |
| 05/06/1992 | EP0483316A1 Wire electrode electroerosion machine with automatic transfer of blank for finishing |
| 05/06/1992 | CN1060805A Wire electrode |
| 05/05/1992 | US5111016 Machine for spark erosion cutting with a guide-arm crossing the back wall of the working liquid container |
| 04/30/1992 | WO1992006813A1 Wire feed device |
| 04/29/1992 | EP0483071A2 A wire-cut electroerosion apparatus |
| 04/29/1992 | EP0343255B1 Method for detecting machining conditions of a wire-electrode discharge machine |
| 04/29/1992 | EP0286685B1 Method of controlling wire cut discharge machining |
| 04/29/1992 | CN2102816U Side-position process device for electric spark machine tool |
| 04/15/1992 | EP0480369A2 Wire-type electrical discharge machining device |
| 04/15/1992 | EP0480091A1 Wire machining apparatus for a milling machine tool |
| 04/09/1992 | DE4132341A1 Automatic repair of broken spark machine wire electrode - involves displacement of advanced into groove in workpiece between exit and entry wire guides |
| 04/08/1992 | EP0479732A2 Arm sealing device for an EDM machine |
| 04/08/1992 | EP0479007A2 Wire electrode |
| 04/02/1992 | WO1992005005A1 Method of automatically retrieving working conditions in electric discharge |
| 04/01/1992 | EP0477698A1 Method for slicing a semiconductor silicon single crystal |
| 03/31/1992 | US5099729 Submerged work machine tool |
| 03/25/1992 | EP0476155A1 Liquid level regulator of discharge machining tank |
| 03/25/1992 | EP0476153A1 Inverter-controlled device for cooling cutting fluid |
| 03/25/1992 | EP0476151A1 Method of removing cut-away piece in electric discharge machining and device therefor |
| 03/25/1992 | EP0370112B1 Wire recovery method |
| 03/25/1992 | EP0351436B1 Discharge position detector in a wire electrode discharge machine |
| 03/24/1992 | US5097637 Multi-disc cutter and method of manufacture |
| 03/24/1992 | US5097586 Spray-forming method of forming metal sheet |
| 03/19/1992 | WO1992004154A1 Working liquid storage device in electric discharge machine |
| 03/18/1992 | EP0328682B1 Wire feeder |
| 03/17/1992 | US5095635 Block for fixing the coordinate axes of material to be processed by an nc wire electro-spark processing machine |
| 03/10/1992 | US5094378 Wire feed apparatus |
| 03/05/1992 | WO1992003246A1 Method and apparatus for electrical discharge machining |
| 03/04/1992 | EP0276314B1 Discharge machining controller |
| 03/04/1992 | EP0271583B1 Three-point support guide of wire cut electric discharge machine |
| 02/25/1992 | US5091622 Compound machining method and apparatus |
| 02/25/1992 | US5091620 Automatic electric discharge machining method and apparatus with periodic sensing of surface roughness of the workpiece |
| 02/18/1992 | US5089681 Electro-discharge machining apparatus |
| 02/18/1992 | US5089680 Indexed rotatable current pick-up for a travelling wire electrical discharge machining apparatus |
| 02/12/1992 | EP0470671A1 Method of and device for the spark erosion of hardmetal objects |
| 02/12/1992 | EP0470410A2 Holder for workpieces made of metal, plastic or wood |
| 02/12/1992 | EP0259497B1 Power-feeding device for a wire-cut electric spark machine |
| 02/10/1992 | WO1992002329A1 Orbital electrochemical machining |
| 02/05/1992 | EP0469471A2 Adaptive control unit for electrical discharge machine |
| 02/05/1992 | CN1015349B Current supply device for movable electrodes of spark erosion machines |
| 02/04/1992 | US5086203 Wire electric discharge machining apparatus |
| 02/04/1992 | US5086202 Wire guides for traveling wire type apparatus |
| 02/04/1992 | US5085747 Ultrasonic machining method |
| 02/04/1992 | US5085247 Machining fluid supply device for a wire cut electric discharge machine |
| 01/29/1992 | EP0468451A2 Method and apparatus for positioning first and second objects based on a potential difference |
| 01/29/1992 | EP0283523B1 Device for control of feeding the electrode tool in electro-erosion machine tools |
| 01/29/1992 | CN2094408U U direction swing device of large conical degree thread rack for line cutter |
| 01/28/1992 | US5084602 Apparatus for selecting wire electrode type electrical discharge maching or laser machining |
| 01/23/1992 | WO1992000826A1 Method and apparatus for generating pulses |
| 01/22/1992 | EP0467060A2 EDM cutting machine using a guide arm which traverses the back wall of the working fluid reservoir |
| 01/22/1992 | CN2093711U Mechanical contracting-copying spark wire-cutting machine |
| 01/21/1992 | US5083000 Wire cut type electric discharge machining method and apparatus |
| 01/15/1992 | EP0216276B1 Semiconductor logic tester with fast-recovery power supply |
| 01/15/1992 | CN2093053U Wire breakage protecting device for electrospark wire-electrode cutting machine tool |
| 01/14/1992 | US5081332 Electrical discharge machine with a management information display function |
| 01/09/1992 | DE4117758A1 Spark erosion cutting machine using wire electrode - has pair of nozzles placed at sides of material to be machined and supplies processing liq. to small gap between material and electrode |
| 01/08/1992 | EP0464219A1 Core removing apparatus |
| 01/07/1992 | US5078839 Electrochemical machining, computer controlled automatic adjustment, three-dimensional workpieces |
| 01/05/1992 | WO1992000825A1 Method of finishing gear by electrolytically machining and method of machining electrode used therein |
| 01/05/1992 | CA2067097A1 Electrolytic finishing method of finishing a bevel gear and a method of machining an electrode used for the electrolytic finishing method |
| 01/02/1992 | EP0463178A1 Wire tension controlling apparatus |
| 01/01/1992 | CN1057419A Machine for spark erosion cutting with guide-arm crossing back wall of working liquid container |
| 01/01/1992 | CN1015239B Apparatus for separating strip-like or wire-like electrode of spark erosion machine |
| 12/31/1991 | US5077457 Method of automatically feeding wire to an electric discharge machine |
| 12/17/1991 | US5073691 Wire electrode feeding device in wire cut electric discharge machine |
| 12/17/1991 | US5073690 Long lasting electrical discharge machine wire guide |
| 12/11/1991 | EP0460221A1 Wire piece recovery apparatus |
| 12/10/1991 | US5072089 Wire-cut electric discharge machining method |
| 12/10/1991 | US5072088 Wire cut electric discharge machining method |
| 12/10/1991 | US5071567 Buffer reservoir or second filter connected in parallel with first filter |
| 12/05/1991 | DE4017207A1 Electrical supply with high current change speeds - using several current adjusters with symmetrically offset pulsed current cycles producing reduced inductivity in smoothing valve |
| 12/03/1991 | US5070224 Portal construction |
| 11/28/1991 | WO1991017856A1 Wire electrode electroerosion machine with automatic transfer of blank for finishing |
| 11/27/1991 | EP0233297B1 Device for automatic connection of wire electrode in wire cut electric spark machine |
| 11/27/1991 | CN2089383U Numerically controlled cutting machine thread moving device |
| 11/20/1991 | CN2088917U Electrode with complex structure for gear shaped element |
| 11/12/1991 | US5064985 Method for controlling withdrawal of electrode in electric-discharge machine |
| 11/12/1991 | US5064983 Wire cutting electric discharge machine |