Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
05/1995
05/16/1995US5416290 Electric discharge machine power supply circuit
05/16/1995US5416289 Method of and apparatus for increasing the productivity of an electroerosion drill
05/11/1995WO1995012471A1 Working liquid detecting apparatus, for wire-cut electric discharge machines
05/10/1995EP0652067A1 Wire electric discharge machine
05/03/1995EP0505570B1 Method of automatically retrieving working conditions in electric discharge
04/1995
04/27/1995WO1995011105A1 Device and method for setting machining conditions for electrical discharge machining
04/26/1995EP0649698A1 Apparatus for electric discharge machining
04/26/1995EP0649697A1 Apparatus for electric discharge machining, and method for setting machining condition for the apparatus
04/26/1995EP0649696A1 Method for classifying discharge machining wave patterns, and method for preventing arcs based on the classification of the discharge machining wave in discharge machining apparatus
04/26/1995EP0513377B1 Core treating apparatus and method
04/26/1995CN1101869A Electrical discharge machine
04/25/1995US5410119 Thermostable wire cutting electro-erosion machine
04/25/1995US5410118 Method and device for controlling a spark erosion machine
04/25/1995US5410117 Device and control process for EDM machining with an electrode-wire
04/20/1995WO1995010383A1 Device and method for electric discharge machining
04/20/1995WO1995010382A1 Concentrated electric discharge judgement method and apparatus for wire electric discharge machines
04/19/1995CN2194781Y Power supply for wire cutting machine
04/18/1995US5408064 Pulse generating method and apparatus
04/18/1995US5408063 Fluid flushing device
04/11/1995US5406043 Method for manufacturing master of die for shaping golf ball
04/06/1995WO1995009064A1 Method for preventing collision of a moving shaft of a wire electric discharge machine
04/06/1995WO1995009063A1 Method for automatically adjusting the gap of an upper nozzle for a wire electric discharge machine
04/05/1995CN1100981A Electrical discharge machine
04/05/1995CN1100980A Method and apparatus for electrical discharge machining using variable capacitance and variable inductance
04/04/1995US5402692 Method of forming a curve on a cutting edge
03/1995
03/30/1995DE3942067C2 Drahtführungsvorrichtung für eine funkenerosive Drahtschneidemaschine Wire guide device for an EDM wire cutting machine
03/28/1995US5401931 Wire-cut electroerosion apparatus
03/28/1995CA1334923C Superhigh-strength superfine wire, and reinforcing materials and composite materials incorporating the same
03/21/1995US5399826 Electric discharge machining apparatus
03/15/1995EP0642869A1 Electrical discharge machine
03/15/1995EP0642868A1 Electroerosion machine with novel frame structure
03/15/1995EP0642867A1 Constructional aspects of an electroerosion machine
03/15/1995EP0642866A1 Device for supplying current to a rotating element and its application in electroerosion machining
03/15/1995CN2191733Y Wire electrode locating limiting monitor
03/09/1995WO1995006537A1 System for controlling tension of wire
03/08/1995EP0641624A1 Machine tool
03/08/1995EP0641621A1 Rotary drive device
03/07/1995US5396040 Device, standard blanks and standardized electrodes for electro-discharge milling
03/02/1995WO1995005915A1 Protective construction of sealing mechanism for processing liquid vessel in wire electrical discharge machine
03/01/1995CN1099322A Method and apparatus for vibration controlling electrode wire of wire-cutting machine tools
02/1995
02/22/1995EP0639421A1 Thin, rotating electrode for electric discharge machining a hollow three dimensional contour
02/22/1995EP0639420A1 Method and apparatus for electric discharge machining a hollow three dimensional contour using a thin, rotating electrode
02/15/1995CN2189507Y Mechanical level-moving-head mechanism for the main tapping of electric spark machine tool
02/08/1995EP0637482A1 Method of positioning a workpiece-holder in a machine, and workpiece-holder therefor
02/07/1995US5387331 Wafer cutting device
02/01/1995EP0636444A1 Method and apparatus for discharge machining control
02/01/1995EP0636443A1 Die sinking electrical discharge apparatus
02/01/1995CN1098036A Computer controlling method for numerically controlled linear cutting machine tool
01/1995
01/31/1995US5386094 Electrical discharge machine with automatic filtering
01/31/1995US5386093 Method for electroerosive cutting and wire EDM machine
01/26/1995WO1995002483A1 Display device for indicating wire connecting condition
01/26/1995WO1995002482A1 Wire cut electric discharge machine having automatic wire connecting function
01/26/1995WO1995002481A1 Method of and apparatus for detecting positions where wire failure occurs in wire electrical discharge machine
01/25/1995EP0538434B1 Process and machine for electrical discharge machining of cutting tips
01/24/1995US5384444 Sleeve forming wire passageway around pickup
01/24/1995US5384443 Flush cup extenders for electrical discharge machines
01/19/1995DE4422820A1 Electrical discharge machining unit
01/18/1995EP0634243A1 Electrode tube for electrical discharge machining and manufacturing method thereof
01/12/1995DE4422967A1 Electrical discharge machine (spark erosion machine)
01/12/1995DE4418603A1 Wire-guide device for an electric machine producing an arc and having wire electrodes
01/10/1995US5380974 Wire-cut electroerosion apparatus
01/10/1995US5380973 Current pickup indexing apparatus
01/05/1995WO1995000278A1 Discharge device of wire-cutting electric discharge machine
01/05/1995WO1995000277A1 Wire-cut electrical discharge machine
01/04/1995EP0631836A1 Power supply circuit for electric discharge machine
01/04/1995EP0463103B1 Electrical discharge machine apparatus moving wire electrode guide assembly
01/04/1995CN2186616Y Wire frame structure for wire-cutting machine
12/1994
12/28/1994EP0630718A1 Working tank for electroerosion machine
12/28/1994EP0506981B1 Wire feed device
12/22/1994WO1994029060A1 Current pickup indexing apparatus
12/22/1994WO1994029059A1 Electric discharge machining device
12/21/1994CN1027052C A machine for spark erosion cutting with a guide-arm crossing the back wall of the working liquid container
12/20/1994US5374795 Wire cut electric discharge machine
12/15/1994DE3390009C2 Power source for electrical discharge wire cutting
12/14/1994CN1026958C Composite finishing polishing machine for bull block
12/13/1994US5373449 Method of producing a multi-apertured workpiece
12/07/1994EP0517922B1 Wire-cut electrical discharge machine
12/06/1994US5371334 Method of electrical discharge machining control by monitoring gap resistance
11/1994
11/24/1994WO1994026454A1 Apparatus for electric discharge machining
11/24/1994WO1994026453A1 Apparatus for electric discharge machining, and method for setting machining condition for the apparatus
11/24/1994DE4316595A1 Apparatus for the electrical discharge machining of workpieces
11/15/1994US5365030 Corepiece handling device and method
11/09/1994EP0623860A1 Processing finish time predicting numerical control apparatus
11/09/1994EP0436029B1 Pulse controller of electric discharge machine
11/08/1994US5362936 Wire electric discharge machine having alterable discharge period
10/1994
10/27/1994WO1994023881A1 Wire electric discharge machine
10/26/1994EP0621100A1 Water-tight structure for immersion wire electric discharge machines
10/26/1994CN2180381Y Multi-polar wire cutting machine
10/26/1994CN2180380Y Wire frame moving type electric spark cutting machine
10/25/1994US5359169 Electric discharge machining method and apparatus
10/25/1994US5358364 Setup device and method for milling machines
10/19/1994CN2179801Y Non-moving wire-feeding mechanism of wire cylinder for spark wire-cutting machine tools
10/19/1994CN2179800Y Constant tensioner for spark wire-cutting machine tools
10/18/1994US5357073 Electrical discharge machine
10/18/1994US5357072 Wire consolidator for wirecut EDM
10/11/1994US5354961 Device and process for electrical-discharge machining of a three-dimensional cavity with a thin rotating tool electrode
10/05/1994CN2178580Y Wire structure of electric spark wire electrode cutting lathe
10/05/1994CN2178579Y Multifunction electrod cutting lathe for electric spark wire
10/04/1994US5352859 Adaptive method and apparatus for controlling machining current in electric discharge machines
09/1994
09/28/1994EP0616561A1 Spark-machining device.
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