Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
09/1994
09/28/1994CN1092709A Guide frame structure for linear cutting machine
09/15/1994DE4404455A1 Cutting device for an elongate article
09/15/1994DE4320530C1 Electrical discharge (spark-erosion) machining unit with dielectric container
09/14/1994CN1092005A Multi-layer pile winding wire-driving unit with double motor and double wire-storing cylinder
09/06/1994US5344539 Electrochemical fine processing apparatus
08/1994
08/31/1994CN2175657Y Light table type electric spark line cutting machine tool and its matching box
08/23/1994US5340959 EDM with an electrode moved by deformation of an electrode actuator
08/23/1994US5340958 Method and apparatus for wire feeding in a wire-cut electroerosion apparatus
08/18/1994WO1994017948A1 Method and apparatus for discharge machining control
08/18/1994WO1994017947A1 Die sinking electrical discharge apparatus
08/17/1994EP0610974A2 A wire-cut electroerosion apparatus
08/16/1994US5338912 Automatic broken wire repairing method for wire electric discharge machining devices
08/09/1994US5336863 Method of, and an apparatus for, electrical-discharge machining
08/03/1994CN2173131Y 大锥度线切割装置 Taper wire cutting device
08/03/1994CN2173130Y Fast wire cutting machine
07/1994
07/27/1994EP0476155B1 Liquid level regulator of discharge machining tank
07/27/1994EP0464219B1 Core removing apparatus
07/26/1994US5331832 Sleeve sizing processes
07/20/1994EP0606494A1 Method and apparatus for electrical discharge machining
07/19/1994US5331129 Upper guide assembly for a wire cut electric discharge machine
07/13/1994EP0605733A1 Wire tension setting apparatus for wire cut electric discharge machines
07/13/1994EP0426870B1 Jump control system of electric spark machine
07/13/1994CN2171438Y Multi-winding wire transport with double electrical machinery double wire storage tube
07/13/1994CN2171437Y Wire storage tube of wire cutting machine tool
07/07/1994WO1994014562A1 Apparatus for transferring electrical current to and from a moving wire.
07/06/1994EP0604665A1 Wire temperature measuring method for wire electrical discharge machine
07/06/1994EP0463066B1 Electrical discharge machine apparatus tilted current pickup
07/06/1994EP0445296B1 Wire tension control device
07/06/1994CN1025299C Spark erosion machine characterized by photosensor for measuring wire electrode deflection
07/05/1994US5326954 Process and machine for the electric discharge machining of cutter plates
07/05/1994US5326953 Wire electrode feeder for wirecut electrical discharge machine
06/1994
06/29/1994EP0603534A1 Method and apparatus for electro-erosion cutting
06/29/1994EP0603526A1 Method and apparatus for electric discharge machining
06/28/1994US5324909 Apparatus for measuring and/or controlling the tension in a ribbon or wire-type electrode of an electric discharge machine
06/28/1994US5324908 Method of canceling a short circuit in a wire cut electric discharge machine
06/28/1994US5324907 EDM apparatus with a cam arm for moving an electrode
06/22/1994CN1088142A Generating electrospark precision machining equipment
06/15/1994CN2168675Y Effective filter for electric processing
06/15/1994CN2168674Y Winding drum of digit controlling electric sprak wire cutting machine
06/08/1994EP0600492A2 Numerically controlled machining apparatus
06/07/1994US5319175 Apparatus for transferring electrical current to and from a moving wire
05/1994
05/31/1994US5317122 Discharge-processing electric power-source assembly
05/24/1994US5315088 Electric discharge machining apparatus with switch connection between workpiece and mount
05/24/1994US5315087 Wirecut electrical discharge machine utilizing silicon powder suspended in a dielectric material
05/24/1994US5314598 Electrochemical broaching apparatus
05/24/1994CA1329714C Patterned plastic optical components
05/18/1994EP0597122A1 Insulation tester for wire cut electrical discharging machine
05/18/1994CN1086757A Machine tool for workpieces
05/18/1994CN1086754A Apparatus and method for electrolytic corrosion wire cutting and electric pole wire
05/11/1994WO1994010614A1 Processing finish time predicting numerical control apparatus
05/11/1994WO1994009938A1 Water-tight structure for immersion wire electric discharge machines
05/11/1994EP0595802A1 Method for working surfaces on metals.
05/10/1994US5310983 Servo-controlled feed rate control device for CNC electric spark machines
05/04/1994EP0460028B1 Long lasting electrical discharge machine wire guide
04/1994
04/28/1994DE4335987A1 Flushing device for electro-erosion machine - connects with dielectric fluid source through conduit in workpiece holder
04/27/1994EP0593814A1 Filter medium for liquid filtration
04/27/1994CN2163022Y Rotary servo clamp special for linear cutting machine
04/26/1994US5306889 Wire cut electrical discharge machining apparatus
04/26/1994US5306888 Wire cut electrical-discharge machining apparatus
04/19/1994US5304288 Method of and device for the spark erosion of hardmeal objects
04/13/1994CN2161404Y Closed electric spark wire-cutting machine tool
04/12/1994US5302796 Wire-cut electrical discharge machine having wire electrode cutting device
04/06/1994CN1084792A Line electrode one-time moulding multi-piece method and equipment
03/1994
03/31/1994WO1994006592A1 Wire-electrode electrodischarge machine
03/29/1994US5298161 Apparatus for cleaning the working liquid of an EDM or ECM machine
03/24/1994DE4231652A1 Mfr of electrode units, for spark erosion processes - with electrodes dipped into molten metal in crucibles with attached electrode holders
03/15/1994US5294308 Detecting an abnormal increase of electrode-to-electrode voltage during supply of the machining pulse
03/09/1994EP0585716A1 Method and apparatus for electroerosion cutting
03/09/1994EP0585715A1 Method, apparatus and wire for electroerosion cutting
03/09/1994EP0585714A1 Apparatus for electroerosion cutting
03/09/1994EP0585713A1 Method and apparatus for electroerosion cutting
03/08/1994US5293022 Spark erosion machine
03/02/1994EP0584990A1 Wire-cut electroerosion apparatus
03/02/1994EP0584681A1 Machine tool for work pieces
03/02/1994EP0584366A1 Method of processing metal material for medical instruments
02/1994
02/23/1994CN2156976Y Titanium-gold guide wheel
02/23/1994CN1082472A Wire-cut electroerosion apparatus
02/22/1994US5288966 Wire-cut electrical discharge machine having wire electrode cutting device
02/22/1994US5288965 Electro-erosion machine with improved circuit for the unwinding of the wire-electrode
02/22/1994US5288402 Liquid filter medium including a fibrillated filtering layer and an organic fiber support
02/22/1994CA1327157C Eroding electrode, in particular a wire electrode for the spark-erosive working
02/17/1994WO1994003299A1 Method and apparatus for electrical discharge machining
02/09/1994EP0581968A1 Method of controlling wire cut discharge machine
02/03/1994WO1994002278A1 Wire displacement measuring device for wire electrical discharge machine
02/03/1994WO1994002277A1 Wire temperature measuring method for wire electrical discharge machine
02/02/1994EP0581493A1 Wire refeeding device and method for wire-cut electroerosion apparatus
02/02/1994CN2154760Y Combined electrode clamp
01/1994
01/25/1994US5281787 Wire feed device
01/19/1994EP0578762A1 Electrical discharge machine wire electrode guiding device
01/18/1994US5280153 Method of and apparatus for pulse generator for electric discharge machining
01/12/1994EP0578018A1 Method and apparatus for finishing cut surface of a workpiece produced by wire cut discharge process
01/06/1994WO1994000266A1 Wire tension setting apparatus for wire cut electric discharge machines
01/06/1994WO1994000265A1 Method of monitoring discharging machining condition of wire-cut discharge machine
01/05/1994EP0576679A1 Wirecut electrical discharge machining apparatus
01/05/1994EP0383921B1 Method of preparing nc data
01/04/1994US5276302 EDM apparatus current efficiency control technique
01/04/1994US5276301 Wire electric discharge machine having function for counting number of discharge times
12/1993
12/29/1993EP0407593B1 Electrical discharge machine
12/29/1993CN1079926A Method and apparatus for the electric discharge machining of cutting tips
12/22/1993EP0574898A1 Wire electrical discharge machining process and apparatus
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