Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
01/1996
01/10/1996CN2216880Y Apparatus for keeping working piece moving in same direction
01/03/1996EP0689893A1 Electric discharge working method and apparatus
01/03/1996EP0689892A1 Method and apparatus for wire cutting electrical discharge machining
12/1995
12/21/1995DE4420706A1 Wire feeding system for feeding welding wire or rod
12/20/1995EP0687518A1 Method and device for electroerosion machining
12/20/1995EP0551520B1 Wirecut electric discharge machining system
12/20/1995CN2215370Y Rotary coordinates device for numerically-controlled wire cutting machine
12/14/1995WO1995033592A1 Material to be butt welded, cutting method and welding method therefor, and wire
12/13/1995EP0686452A1 Method and apparatus for controlling wire electrode tension
12/13/1995CN2214861Y Self-rotating electric spark wire-cutting machine tool
12/12/1995US5475297 Power supply circuit for an electric discharge machine
12/12/1995US5475195 Anti-corrosion device for electrical discharge machining
12/07/1995DE4419600A1 Machine for electroerosive machining
12/06/1995EP0685286A1 Centering method of working start hole on wire electric discharge machine
12/06/1995CN2214256Y Quick shift wire cutting machine controller
11/1995
11/29/1995CN1112469A Method of determining electric discharge machining conditions and electric discharge machining controller
11/28/1995US5471025 Automatic wire-threading device for electroerosion machines
11/23/1995DE4421246C1 Device for countersunk erosion in electrical components
11/15/1995EP0681884A1 Submerged type wire cutting electrical discharge machining equipment
11/08/1995EP0680801A1 Working liquid detecting apparatus, for wire-cut electric discharge machines
11/08/1995EP0680800A1 Method for automatically adjusting the gap of an upper nozzle for a wire electric discharge machine
11/02/1995WO1995029031A1 Power supply system for an electric discharge machine
10/1995
10/25/1995EP0678356A1 Concentrated electric discharge judgement method and apparatus for wire electric discharge machines
10/25/1995CN2210742Y Taper head of electrospark linear cutting machine
10/25/1995CN1110870A 放电加工装置 Discharge machining apparatus
10/19/1995DE4413305A1 Electrode holder for use in electroerosion machines
10/18/1995EP0677352A1 Device and method for setting machining conditions for electrical discharge machining
10/11/1995EP0676254A1 Method for preventing collision of a moving shaft of a wire electric discharge machine
10/11/1995EP0675778A1 Apparatus for transferring electrical current to and from a moving wire.
10/11/1995CN1109809A Driving apparatus
10/11/1995CN1109808A Self-rotary spark cutting machine tool
10/05/1995WO1995026250A1 Wire electric discharge machine and working method by the wire electric discharge machine
10/04/1995EP0616561B1 Spark-machining device
10/04/1995EP0491958B1 Method and apparatus for generating pulses
10/04/1995CN2209002Y Adjustable wire reel wire cutting machine
10/04/1995CN1109400A A method for positioning a work piece carrier member in a machining apparatus and a work piece carrier member adapted to be positioned in a machining apparatus
10/04/1995CN1109399A An apparatus for clamping work pieces
10/03/1995US5455400 Machining tank with a mobile part giving a free access to the machine area of machine tools
10/03/1995US5454921 Electrolytic combined processing machine
10/03/1995US5454523 Elongate object cutting apparatus
09/1995
09/27/1995EP0673702A1 Device and method for electric discharge machining
09/27/1995EP0495985B1 Method and apparatus for electrical discharge machining
09/26/1995US5453593 Method for classifying discharge machining wave patterns, and method for preventing arcs based on the classification of the discharge machining wave in discharge
09/26/1995US5453592 Electrical discharge machining apparatus and method
09/20/1995EP0672494A2 Process of electric discharge position detection and process of electric discharge machining
09/20/1995EP0550765B1 Electric discharge machining device
09/20/1995EP0524284B1 Electrochemical machining
09/19/1995US5451737 Method and apparatus for electro-discharge wire cutting
09/14/1995WO1995024288A1 Jump controlling method for die sinking electric discharge machine
09/14/1995DE3990961C2 Wire breakage restoration of wire electric discharge machining
09/14/1995DE19508271A1 Spark erosion
09/14/1995DE19503233A1 Wire traction mechanism for electro-erosion machine
09/13/1995CN2207255Y Electrode plane shaking unit of electric spark machine
09/12/1995US5449873 Wire-traction mechanism for electroerosion machines
09/07/1995DE19512291A1 Control and prediction of course of spark erosion process on spark erosion machine
08/1995
08/31/1995WO1995023362A1 Method for forming shaped passages
08/24/1995WO1995022426A1 Power supply system for an electric discharge machine
08/23/1995EP0668119A2 Method of controlling the operation of an electrical discharge machine
08/22/1995US5444205 Method of and apparatus for electro-erosive machining
08/22/1995US5444204 Method of and apparatus for electro-erosive machining
08/22/1995CA2046629C Long lasting electrical discharge machine wire guide
08/16/1995EP0667203A1 System for controlling tension of wire
08/16/1995EP0667202A1 Protective construction of sealing mechanism for processing liquid vessel in wire electrical discharge machine
08/02/1995EP0665078A2 Method for quality decision of electrical discharge machined work and apparatus for quality decision thereof
08/01/1995US5438178 Method of precision electric-discharge machining employing electrodes in the form of wires, and apparatus for carrying out the method
07/1995
07/26/1995EP0664179A1 Display device for indicating wire connecting condition
07/26/1995EP0664178A1 Wire cut electric discharge machine having automatic wire connecting function
07/26/1995EP0664177A1 Method of and apparatus for detecting positions where wire failure occurs in wire electrical discharge machine
07/19/1995EP0663258A2 Method of detecting abnormal condition of automatic wire connection in wire cut electric discharge machine
07/19/1995EP0663257A2 Monitor apparatus in an electric discharge machine
07/18/1995US5434379 Apparatus for and method of electro-discharge cutting
07/12/1995EP0662364A2 Wire cut electric discharge machine
07/12/1995EP0526601B1 Anti-corrosion device for electro-erosion machining
07/12/1995CN1029298C Wire electrode
07/05/1995EP0533944B1 Top guide assembly in wirecut electric discharge machining device
07/04/1995US5430268 Electrical discharge machine apparatus
06/1995
06/28/1995EP0660108A2 Optical measurement apparatus and method
06/28/1995EP0659513A1 Electric discharge machining
06/27/1995US5428201 Method and apparatus for controlling electric discharge machining
06/27/1995US5428200 Apparatus for electro-erosion cutting
06/27/1995US5428199 Frame member for supporting a workpiece in a machine tool
06/21/1995EP0476151B1 Method of removing cut-away piece in electric discharge machining and device therefor
06/21/1995CN1028974C Chip removing device of electro-discharge machine
06/20/1995CA1335978C Apparatus for electrical discharge machining of a circumferential section from a bore in a metallic cylinder
06/19/1995EP0675778A4 Apparatus for transferring electrical current to and from a moving wire.
06/14/1995EP0657243A1 Electric discharge machining device
06/14/1995EP0657242A1 Discharge device of wire-cutting electric discharge machine
06/14/1995EP0657241A1 Wire-cut electrical discharge machine
06/14/1995CN1028848C Pulse power supply for electric spark machine for conducting ceramic material
06/07/1995CN1103344A 机床 Machine tool
06/06/1995US5422455 Electrical discharge machine with secondary electrode for corrosion prevention
06/06/1995US5422454 Device for setting wire tension for a wire-cut electrical discharge machine
06/01/1995WO1995014548A1 Method and apparatus for controlling wire electrode tension
06/01/1995DE4339961A1 Erosive drilling machine
05/1995
05/30/1995US5420388 Tool-holder and rapid rotary spindle
05/26/1995WO1995013895A1 A wire-cutting machine with rotating electrode wire
05/24/1995CN2198062Y Wire rack of wire cutter
05/24/1995CN1102795A Electric spark machine tool with container of electric medium
05/23/1995US5418345 Method for forming shaped passages
05/23/1995US5418344 Method and apparatus for wire-cutting electrical discharge machining of a corner
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