Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
12/1993
12/22/1993CN1079683A Electroerosion machine for wire cunting a stationary workpiece
12/15/1993EP0573900A1 Method for manufacturing master of die for shaping golf ball
12/15/1993EP0573780A1 Wire electrode for wire cutting electro-discharge machining
12/09/1993WO1993024265A1 Insulation tester for wire cut electrical discharging machine
12/08/1993EP0572719A1 Electro-erosion machine with an improved circuit for unwinding the electrode wire
12/08/1993EP0572718A1 Thermostable machine for electroerosion cutting
12/08/1993EP0572716A1 Electric discharge machine with a fixed workpiece
12/07/1993US5268552 Wirecut electrical discharge machine having increased feeder life
12/07/1993US5268551 Wire electrode positioning control device of electrical discharge wire-cutting machine
11/1993
11/30/1993US5267141 Machining unit application control apparatus and method employing data from several different operations
11/24/1993CN1022814C Apparatus for clamping workpieces which have to be machined by a machine tool
11/23/1993US5264676 Electric discharge machining apparatus with a vertically movable tank
11/10/1993CN2145670Y Electrode clamping chuck verticle correcting mechanism for electric discharge processor
10/1993
10/20/1993EP0417289B1 Electric discharge machine equipped with control information display function
10/19/1993US5254827 Chip removing device of electro-discharge machine
10/19/1993US5254826 Contact detecting device for positioning relatively movable elements
10/12/1993US5253178 Wire-type electrical discharge machining method and apparatus
10/12/1993US5252799 Wire cut electric discharge machine
10/06/1993EP0563616A2 Electrochemical fine processing apparatus
09/1993
09/28/1993US5248867 Electric spark machine
09/21/1993US5247151 Mold making process
09/08/1993EP0559211A1 Wire electric discharge machine
09/08/1993EP0558757A1 Method of correcting short-circuiting in wire-cut electrical discharge machine
09/07/1993US5243168 Electric discharge machine
09/07/1993US5243167 Apparatus and method for manufacturing a slotted torque tube
09/07/1993US5243166 Wirecut electrical discharge machine and method of use thereof
09/07/1993US5243165 Wire-cut electroerosion apparatus
09/07/1993US5242555 Machined piece prevented from dropping through gap
09/02/1993WO1993016834A1 Method of controlling wire cut discharge machine
08/1993
08/25/1993EP0557248A1 Clamping bar for use in a clamping device for workpieces destined to be processed on a machine-tool
08/18/1993WO1993015867A1 Method of processing metal material for medical instruments
08/18/1993EP0555818A1 Method and apparatus for electric discharge machining a hollow three dimensional contour using a thin, rotating electrode
08/18/1993CA2129340A1 Method of processing medical metal material
08/17/1993US5237146 Device for fastening an article, disposed at an end of a cylindrical shaft, at a coupling member of a coupling means
08/17/1993US5237145 Wire cut electric discharge machining method
08/17/1993US5235746 Method of manufacturing a high-capacity servo valve body
08/12/1993DE4203656A1 Wire electrode EDM machine for producing blade root slots in turbine discs - has wire electrode guided parallel to rotor axis on end of fork whose movement is programmed to follow desired slot profile
08/11/1993EP0554899A1 Electrical discharge machine with secondary electrode for corrosion prevention
08/11/1993EP0407600B1 Working liquid feeding apparatus for wire cut electric discharge machine
08/05/1993WO1993014898A1 Mold making process using electrical discharge machining
08/03/1993US5233147 Wire-cut electric discharge machine
07/1993
07/28/1993EP0406429B1 Automatic wire connecting method
07/27/1993US5231270 Wire electrode
07/27/1993US5231257 Electrical discharge machining control unit
07/22/1993WO1993013902A1 Wirecut electrical discharge machining apparatus
07/21/1993EP0551520A1 Wirecut electric discharge machining system
07/21/1993EP0444202B1 Nc data preparation method for coreless machining in wire cut discharge machining
07/14/1993EP0551091A1 Discharge Detecting Device
07/14/1993EP0550799A1 Electrical discharge machine with automatic filtering
07/14/1993EP0550765A1 Electric discharge machining device
07/14/1993EP0394482B1 Working fluid temperature abnormality alarm apparatus of electric discharge machine
07/06/1993US5225646 Insulating device for an electric discharge machine
06/1993
06/30/1993EP0548516A1 Control method of an electro-erosion machine
06/29/1993US5224048 Electric discharge machine including electrode configuration sensor
06/29/1993US5223688 Fluid level adjusting apparatus in an electric discharge machining tank
06/24/1993WO1993011902A1 Spark-machining device
06/23/1993EP0547235A1 Wirecut electric discharge machining system
06/17/1993DE4241709A1 Ion exchange process - comprises passing liq. over surface of ion exchange resin and stirring resin, for adjusting resistivity of electro-erosion machining liq.
06/15/1993US5220146 Method for the initial cutting of a workpiece by electrical discharge cutting
06/15/1993US5219376 Apparatus and method for mounting an EDM electrode
06/09/1993EP0545156A2 Electrical discharge machine
06/09/1993EP0544980A1 Wirecut electrical discharge machine and method of use thereof
06/01/1993US5216218 Control unit for electrical discharge machine
06/01/1993US5216217 Wirecut electrical discharge machine
05/1993
05/26/1993EP0542927A1 Orbital electrochemical machining
05/26/1993CN2134252Y Mo wire tension mechanism of linear cutter
05/25/1993US5214260 Electrical discharge machine wire electrode guiding device
05/19/1993EP0356526B1 Wirecut electric discharge machine
05/19/1993CN2133394Y Wire winding mechanism
05/12/1993EP0541126A1 Apparatus for measuring and controlling the tension of a wire-like or tape-like electrode in an electroerosion machine
05/05/1993EP0539732A1 Wire electrode feeder for wirecut electrical discharge machine
04/1993
04/27/1993US5206480 Wire electrode for electro-discharge machining
04/14/1993EP0536711A1 Working tank for an electroerosion machine and a machine equipped with such a tank
04/14/1993EP0536436A1 Automatic control method for electro erosion machining of metals and alloys
04/07/1993EP0535371A1 Wirecut electrical discharge machine having increased feeder life
04/06/1993US5200905 Electric discharge machining control apparatus
04/06/1993US5200591 Electric discharge contour machining method
04/06/1993US5199162 Method for the manufacture of a wire-electrode for spark-erosive cutting
04/06/1993EP0542927A4 Orbital electrochemical machining.
04/06/1993CA1315531C Wire electrode for use in spark-erosive cutting
04/01/1993WO1993005916A1 Method of correcting short-circuiting in wire-cut electrical discharge machine
03/1993
03/31/1993EP0534353A1 Method for electrical discharge machining of workpieces by means of a wire electrode
03/31/1993EP0533944A1 Top guide assembly in wirecut electric discharge machining device
03/31/1993CN1020181C Apparatus for filtering machining liquid of electroerosion machine
03/23/1993US5196666 Arm sealing device for an edm machine
03/23/1993US5196665 Multi-layer electrode wire and method for producing the same
03/17/1993EP0396759B1 Wire-cut electrical discharge machining apparatus
02/1993
02/18/1993WO1993002827A1 Electric discharge machining device
02/16/1993US5187342 Wire cut electric discharge machine
02/10/1993EP0526601A1 Anti-corrosion device for electro-erosion machining.
02/09/1993US5185507 Wire electric discharge machining method for machining entrance lines and apparatus therefor
02/03/1993EP0526361A1 High performance electrode wire for electric discharge machining and process for preparing same
02/03/1993EP0526089A1 Electric discharge machining apparatus
02/03/1993EP0356520B1 Automatic wire connecting method
02/02/1993US5183988 Electric discharge machining method
02/02/1993US5183987 Cut-out piece removing method in electric discharge machining and an apparatus therefor
02/02/1993US5183986 Wire-type electric discharge machining system capable magnetically of collecting material that has been removed from a workpiece and confirming the magnetic attraction
01/1993
01/27/1993EP0390933B1 Apparatus for detecting a failure in automatic wire extension
01/21/1993WO1993001018A1 Wirecut electric discharge machining system
01/21/1993WO1993001017A1 Wirecut electric discharge machining system
1 ... 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 ... 71