Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
05/2004
05/12/2004CN2614824Y Tilt type adjustable constant tension mechanism for high-speed wire moving cutting machine
05/11/2004US6734384 Electrical discharge machine apparatus with improved dielectric flushing
05/06/2004US20040084419 Wire electric discharge machine
05/04/2004US6731026 Electric discharge machining apparatus linear motor drive
05/04/2004US6730872 Method of and apparatus for wire electric-discharge machining
04/2004
04/29/2004DE10312986A1 Electroerosive machining method for formation of small bore holes in workpiece surface using rotation of machining electrode and workpiece in opposite directions
04/28/2004CN1492792A Electric spark wire cutting method and device
04/28/2004CN1491766A Multiple work position discharge working using single speed instruction
04/27/2004US6725756 Two-piece metal punch construction
04/22/2004WO2004033871A2 Leak resistant vane cluster
04/22/2004US20040075966 Electric discharge apparatus
04/22/2004US20040074876 Cylindrical hole and form centring and drilling device
04/22/2004DE10322746A1 Funkenerosionsmaschine und Funkenerosionssimulator EDM machine and EDM Simulator
04/22/2004DE10197099T5 CAD/CAN-Einrichtung für elektrische Erosionsmaschine CAD / CAN device for electrical discharge machine
04/21/2004EP1410865A2 Electric discharge apparatus
04/21/2004CN2612495Y Power supply generating and controlling device of discharge processing machine
04/21/2004CN2612494Y Electric pole thread constant tensioning apparatus
04/21/2004CN2612493Y Electric spark wire-electrode cutting machine
04/21/2004CN2612492Y Thread transport unit of gantry linear cutting machine
04/20/2004US6723941 Wire electric-discharge machining apparatus
04/15/2004DE10196821T5 Drahterodierverfahren und Vorrichtung Wire erosion process and device
04/14/2004EP1408199A1 Leak resistant vane cluster
04/14/2004CN1489502A Electrode guide for spark-erosion machines and method for spark-erosion of workpieces
04/13/2004US6721621 Numerical controller for wire electrical discharge machine
04/08/2004US20040067131 Leak resistant vane cluster
04/07/2004CN1144643C Method for fine machining via wire electrode spark erosion and spark working machine thereof
04/07/2004CN1144642C Linear cutting machine tool and its working method
04/06/2004US6717094 Electrical discharge machine and methods of establishing zero set conditions for operation thereof
04/01/2004US20040060907 Wire electric discharge machine
04/01/2004DE4339961B4 Erodier-Bohrmaschine Erosion drill
03/2004
03/31/2004EP1402984A2 Wire electric discharge machining apparatus
03/31/2004EP1402983A2 Wire electric discharge machine
03/31/2004CN1486227A Electrical discharge machining device
03/31/2004CN1485175A Wire cutting machine tool
03/31/2004CN1143747C Electric processing unit driven by linear motor
03/30/2004US6713706 Jump control apparatus for electric discharge shaping/profiling machine
03/30/2004US6713705 Wire electric discharge machining method and wire electric discharge machine utilizing pressurized gas for removing machining solution
03/25/2004US20040056004 Electrode guide for spark-erosion machines and a method for the spark-erosion of workpieces
03/25/2004US20040056003 Edm apparatus and method incorporating combined electro-erosion and mechanical sawing features
03/25/2004US20040055710 Method and apparatus for aligning a machine tool
03/24/2004EP1400306A2 Method and apparatus for aligning a machine tool
03/24/2004EP1400299A1 Electrode wire for wire electrical discharge machine
03/24/2004CN1484616A Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
03/24/2004CN1142841C Wire transport system for electrical discharge machining apparatus
03/18/2004WO2004022275A1 Wire electric discharge machine
03/18/2004US20040050821 Multi-station electrical discharge machining with single velocity command
03/17/2004EP1398104A2 Electrical discharge machine comprising a mechanical feed device for the tool electrode with an extended dynamic control
03/17/2004EP1397226A1 Electrical discharge machining apparatus and method
03/16/2004US6707304 Devices and methods for detecting a processing electrode of a machine tool
03/10/2004CN2605951Y Constant tensioning device for cutting electrode wire
03/09/2004US6702504 Clamping apparatus
03/04/2004US20040040936 Wire electric discharge machine
03/03/2004EP1393844A2 Wire electric discharge machine
03/03/2004EP1392465A1 Method for a removal of cathode depositions by means of bipolar pulses
03/02/2004US6700088 Sealing apparatus
03/02/2004US6698639 Automatic wire supply system of wire cut electrodischarge machine
02/2004
02/25/2004CN1476958A Apparatus for detecting wire contact-contactless boundary position of wire cutting discharge machining
02/25/2004CN1139458C Tension system
02/19/2004US20040031774 Cad/cam device for electric discharge machine
02/12/2004WO2003053621A3 Wire for high-speed electrical discharge machining
02/12/2004US20040030440 Wire contact/noncontact boundary position detecting apparatus of wire cut discharge machine
02/12/2004US20040026379 Method and apparatus for electrodischarge wire machining
02/11/2004EP1388386A2 Wire contact/non contact boundary position detecting apparatus of wire cut discharge machine
02/11/2004CN1137796C Wire cutting processor
02/05/2004DE19907100B4 Vorrichtung zum Positionieren eines Werkzeuges oder Werkstückes an einer Werkzeugmaschine Device for positioning a tool or the workpiece on a machine tool
02/05/2004DE10316302A1 Electrical erosion arrangement for gate tunnel has base carrier with clamping holder and electrode retainer to which gate electrode is provided
02/04/2004CN1137010C Wire cut electric discharge machining device
02/03/2004US6686554 Method of electrodischarge wire machining
01/2004
01/28/2004CN1471447A Method and apparatus for electrodischarge wire machining
01/28/2004CN1136072C Method and apparatus for electrodischarging machining
01/27/2004US6683270 Tool holder for an electric discharge machine
01/27/2004US6683269 Working fluid processing device of wire electric discharge machine
01/22/2004US20040011768 Electrical discharge machines and methods for performing edm operations
01/22/2004US20040011767 Wire electric discharge machine
01/20/2004US6679985 Electrolytically machining a tool fed by a three-dimensional tool feeder which can accurately feed a tool in three dimensions
01/14/2004EP1379353A1 Electric discharge machining wire with optimised surface coating
01/07/2004CN1133907C Process and device for controlling EDM machines
01/06/2004US6674041 Sintered holder for a workpiece or tool
01/06/2004US6674040 Cutting erosion machine tool
01/02/2004EP1233854B1 Method for modifying wooden surfaces by electrical discharges at atmospheric pressure
12/2003
12/31/2003CN1464807A Wire electrode cutting unit
12/31/2003CN1463818A Wire-electrode cutting machine
12/24/2003WO2003106088A1 Machining power source of wire electrodischarge machineing apparatus
12/23/2003US6667453 Electric discharge machining method and apparatus with control of rocking function parameters
12/17/2003CN2592322Y Large wire-storing cylinder low-speed dual-covering linearcutting apparatus
12/17/2003CN2592321Y Wire-moving apparatus for linear cutting machine
12/17/2003CN2592320Y Dual-motor wire-moving apparatus for linear cutting machine
12/17/2003CN1462216A Method for removal of cathode depositions by means of bipolar pulses
12/16/2003CA2300675C Wire electrode
12/10/2003CN2590711Y Guide for electric spark wire-electrode cutting machine tool
12/04/2003WO2003099499A1 A method and an arrangement to determine a running value of the gap during the electrochemical machining
12/04/2003WO2003099498A1 A method and an arrangement to determine a running value of the gap during the electrochemical machining
12/04/2003US20030222053 Tool holder for an electric discharge machine
12/04/2003US20030222052 Device for machining by electroerosion
11/2003
11/27/2003US20030220710 Electrical discharge machining apparatus and electrical discharge machining simulator
11/26/2003CN2587567Y Closed loop shape multiple profile electric spark cutting universal electrode
11/26/2003CN2587566Y Guiding wheel deflection mechanism for spark wire cutting machine
11/25/2003US6651987 Seal for preventing leakage of fluid from opening formed in side wall of work tank of wire cut electric discharge machine
11/19/2003CN1128034C Method for working long shaped electrode flushing hole or exhaust hole and the shaped electrode
11/12/2003CN1454746A Efficient adjusting apparatus
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