Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; Such working combined with other forms of working of metal › B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069)
01/1988
01/27/1988CN87207139U Guide wheel with enclosed inlaid structure
01/13/1988EP0252239A2 Method and device for the supervision of a spark erosion process in a spark erosion machine
01/06/1988CN86101505A Numerical control line cutting differencial position processing method and its equipment
01/05/1988US4717804 EDM wire electrode
01/05/1988US4717803 Electrode holder for electric discharge machines
12/1987
12/31/1987CN87203405U Magnetizer for working liquid of wire-cutting machine
12/30/1987WO1987007860A1 Discharge machining controller
12/23/1987DE3615838A1 Apparatus and method for sensing and controlling the process quality at the working gap of an electrical discharge machining unit
12/15/1987US4713517 Cut contour display method in wire electric discharge machine
12/15/1987US4713515 Electrode holder for electric discharge processing machines
12/15/1987US4712288 Spark eroder with fixed machine table and lowerable working container for the dielectric
12/09/1987EP0248509A2 Electrical discharge machining center
12/09/1987EP0248126A1 Traveling wire electric discharge machine monitor
12/09/1987EP0248116A2 Device for clamping non-rotating work pieces
12/08/1987US4711981 Combined wire electrode electrical discharge machine and initial hole forming device
12/03/1987WO1987007194A1 Three-point support guide of wire cut electric discharge machine
12/03/1987WO1987007193A1 Wire cut electric discharge machine having electrically conductive work support bed
12/01/1987US4710603 Electric discharge machining power source
11/1987
11/25/1987EP0246333A1 Electric discharge wire cutting methods and apparatus therefor
11/25/1987EP0246332A1 Wire guide for electric discharge wire cutting
11/24/1987US4709131 Method for adaptive control of operating parameters during spark-erosive cutting and spark-erosive cutting plant for the same
11/24/1987US4709130 Apparatus for severing a strip-like or wire-like electrode of a spark erosion machine
11/19/1987EP0245545A1 Electrochemical stem drilling electrode mounting
11/17/1987US4707580 Wire-cut electrical discharge machine
11/10/1987US4706201 Area cutting method
11/10/1987US4705932 Electrical discharge boring machine
11/10/1987US4705615 Electrode arrangement for the electrochemical metal erosion process for producing a tooth system
11/03/1987US4704511 Traveling-wire electroerosion machine with swiveling nozzle assembly
10/1987
10/31/1987CN86209811U Large taper cutting device for electrospark wire-electrode cutting machine
10/27/1987US4703146 Wire EDM taper cutting method using path data of two planes of a workpiece
10/27/1987US4703144 EDM control system to maximize efficiency by controlling the gap width
10/27/1987US4703143 Wire EDM method for preventing wire lagging during machining of an angular corner and workpiece position control
10/22/1987DE3713145A1 Setting gauge for the coordinates of a workpiece in a numerically controlled electrical discharge machining unit working with a wire
10/14/1987EP0241165A2 Electrical discharge machining apparatus with exchangeable electrode refeed cartridge
10/14/1987CN87102494A Power supply means for wire electrode of electroerosion machine
10/14/1987CN86102225A Apparatus for separating a strip-like or wire-like electrode of a spark erosion machine
10/13/1987US4700314 Taper cutting method
10/13/1987US4700039 Method and device for controlling the tool electrode in an electrical discharge machine tool
10/07/1987EP0239879A2 Current feeder for a wire electrode of an electro-erosion machine
10/06/1987US4698478 Method and apparatus for rethreading the electrode wire of a travelling wire EDM apparatus through the cut in a workpiece
10/06/1987US4698476 Automatic wire feeder for an electrical discharge machining apparatus including combined cleaning fluid and working fluid supply systems
10/06/1987US4698475 Machine tool pallet that clamps the workpiece to the pallet
09/1987
09/30/1987EP0238670A1 Apparatus for detecting completion of automatic connection of wire electrode
09/29/1987US4697059 Apparatus for pattern controlled electrode movement for E.D.M.
09/22/1987US4695696 Electric discharge machine with control of the machining pulse's current value in accordance with the delay time
09/22/1987US4695210 Apparatus for the machining of workpieces
09/16/1987EP0237136A1 Device for retaining and manipulating a flat object
09/11/1987WO1987005242A1 Power-feeding device for a wire-cut electric spark machine
09/09/1987EP0235983A1 Method and apparatus for finishing cut surface of a workpiece produced by wire cut discharge process
09/01/1987US4691089 Travelling wire EDM apparatus with monitoring of the number of electrical discharges occurring in a sector of the active portion of the electrode wire
08/1987
08/27/1987DE3606161A1 Device for holding and fixing workpieces for their machining on clamping frames of electrical discharge machines, such as electrical discharge wire cutting machines and the like
08/26/1987EP0233297A1 Device for automatic connection of wire electrode in wire cut electric spark machine
08/26/1987EP0233295A1 Mechanism for feeding wire in wire cut electric discharge machine
08/25/1987US4689462 Wire cutting type electrical discharge machining system
08/25/1987US4689457 Wire-cut electric discharge machine
08/20/1987DE3705000A1 Electrical spark-erosion machine working with a wire electrode
08/19/1987EP0232524A2 Cut wire for electrical discharge machining
08/18/1987US4687563 Electrochemical machine apparatus with drill-depth and rate monitor
08/13/1987WO1987004651A1 Device for retaining and handling a flat object
08/11/1987US4686462 Fast recovery power supply
08/11/1987US4686344 Wire guide for electrode discharge machining
08/11/1987US4686343 Method of and apparatus for resetting a wire electrode in an operating setup on an electroerosion machine
08/11/1987US4686252 Process for preparing a building and/or construction material, a polymer modified aqueous dispersion, and use thereof for the preparation of a building and/or construction material
08/11/1987US4686153 Electrode wire for use in electric discharge machining and process for preparing same
08/04/1987US4685064 Electric discharge machining condition setting system
07/1987
07/30/1987WO1987004379A1 Wire-cut electric spark machine
07/29/1987CN86104551A Method for controlling with drawal movement of countersink electrode in electroerosion machine
07/28/1987US4683364 Electrical discharge shape forming and surface conditioning device
07/22/1987EP0229188A1 Wire cut electric spark machine
07/22/1987EP0229186A1 Wire cut electric spark machine
07/22/1987EP0229183A1 Wire cut electric spark machine
07/21/1987US4681997 Wire-cut, electric discharge machining power supply unit
07/08/1987EP0227843A1 Electric discharge machining apparatus of wire-cutting type
07/08/1987EP0227645A1 Method for fabricating a filiform electrode for electro-erosion machining
07/07/1987US4678976 Path-controlled machining method
07/07/1987US4678884 Wire discharge machining power source
06/1987
06/30/1987US4677270 Spark erosion machine with coupled wire electrode guidance heads
06/24/1987EP0226215A2 Electric spark machining apparatus
06/23/1987US4675492 Nozzle elevating device for a wire cutting electric discharge machine
06/23/1987US4675491 Process and apparatus for monitoring thermal stresses in an electrode wire in an EDM apparatus
06/23/1987US4675490 Method and apparatus for controlling electrode position in an electric discharge machine by counting feedback pulses and repeatedly adding the count
06/19/1987DE3641701A1 Process for supporting and immobilising a part which has been cut off from a blank by electrical discharge machining, apparatus for carrying out the process, and the use thereof when removing the part which has been separated off
06/18/1987WO1987003521A1 Three-point support guide of electric discharge wire cutting machine
06/16/1987US4673791 Method and apparatus for controlling an electric discharge machine
06/16/1987US4673790 Copper based wire electrode for wire electro-discharge machining
06/16/1987US4673789 Power source for wire cut electrical discharge machining
06/16/1987US4673788 Straightening device for the wire of a wire electroerosion machine
06/16/1987US4673787 Electroerosion method of wire-cutting a desired contour in a workpiece
06/16/1987EP0225545A1 Process and means for manufacturing of a ferromagnetic tape coiled and radially slotted annular active part of an electric axial field machine
06/09/1987US4672161 EDM method and apparatus with trapezoidized short-duration pulses
06/04/1987WO1987003232A1 Electric discharge wire cutting methods and apparatus therefor
06/02/1987US4670635 Multi-electrode electrical discharge machining apparatus
05/1987
05/27/1987EP0222932A2 Process for the production of a building or construction material, aqueous polymer-modified dispersion and its use in the production of building or construction material
05/27/1987DE3639724A1 Contact device for supplying current to an electrode wire used for electrical discharge machining
05/21/1987WO1987002920A1 Wire guide for electric discharge wire cutting
05/19/1987US4667079 Electrode retraction control system of electric discharge machine
05/19/1987US4667078 Apparatus for guiding a wire or strip-like cutting electrode on a machine tool
05/19/1987US4667077 Compact assembly for a wire cutting type electrical discharge machining system
05/12/1987US4665293 Device for piercing a hole through a metal workpiece by electrical discharge
05/06/1987EP0220819A2 D.C. motor drive EDM head
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