| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 01/21/1993 | DE4222779A1 Spark erosion machine using electrical discharge between electrode and workpiece - has memory for storing basic machining conditions and machining condition call-up selector for selecting appts. machining conditions from memory |
| 01/19/1993 | US5181177 Method and apparatus for non-contact machining with dynamic feedback control |
| 01/19/1993 | US5180469 Method for slicing a semiconductor silicon single crystal |
| 01/13/1993 | EP0393193B1 Wire electrode guide apparatus for wire cut electric discharge machine |
| 01/13/1993 | EP0380690B1 Method of controlling wire tension of a wire-cut discharge machining apparatus |
| 01/07/1993 | EP0521569A1 Wire electrode for electroerosion cutting |
| 01/07/1993 | EP0521193A2 Wire-cut electric discharge machine |
| 01/07/1993 | EP0366811B1 Method and apparatus for wire recovery |
| 01/05/1993 | US5177689 Cad/cam apparatus for enhancing operator entry of machining attributes and geometric shapes |
| 01/05/1993 | US5177336 Method of refeeding electrical discharge machining electrodes |
| 01/05/1993 | US5177334 Wire cut electric discharge machining apparatus |
| 12/30/1992 | CN1019645B Apparatus for preparation of machining liquid for electroerosion machine |
| 12/29/1992 | US5175408 Electrical discharge machine |
| 12/29/1992 | US5175407 Nc data creation method |
| 12/24/1992 | DE4120739A1 Unit for handling used EDM electrode wire - has cutter roll driven synchronously with wire feed system to cut wire from machining area into short pieces |
| 12/24/1992 | DE4119905A1 Rinsing cutting wire of erosion machine with upper and lower feeds - using rinsing head to supply rinsing liquid and at least pressure rinsing pump to deliver rinsing liquid from cleaning tank |
| 12/23/1992 | EP0519557A1 Wire guide for use in a spark-erosion device |
| 12/23/1992 | EP0519028A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 12/16/1992 | EP0517922A1 Wire-cut electrical discharge machine |
| 12/15/1992 | US5171957 Generator for electric discharge machining of metallic work pieces by means of an electrode consisting of liquid or solid material |
| 12/15/1992 | US5171956 Electric discharge machine capable of preventing electrolytic corrosion attributable to a short-circuit detecting voltage |
| 12/15/1992 | US5171955 Wire-cut electroerosion apparatus |
| 12/10/1992 | WO1992021476A1 Indexed rotatable current pick-up for a travelling wire electrical discharge machining apparatus |
| 12/09/1992 | EP0375774B1 Device for electro-erosive piercing of openings in parts |
| 12/08/1992 | US5170026 Method and apparatus for positioning first and second objects based on a potential difference |
| 12/03/1992 | DE4116104C1 Machine tool for spark erosion machines - has magazine for tool and workpiece storage |
| 11/25/1992 | EP0514713A2 Electro-erosion machining method, especially wire cutting machining method, and means for securing the cores of the workpieces during the machining operation |
| 11/24/1992 | US5166490 Wire cut electric discharge machining apparatus |
| 11/24/1992 | US5166489 Integrated gapbox for electroerosive machining apparatus |
| 11/19/1992 | EP0513664A1 Machining apparatus, in particular for electric discharge machining, and method of machining work pieces |
| 11/19/1992 | EP0513377A1 Core treating apparatus and method |
| 11/19/1992 | DE4116103A1 Coupling for tool or part holding mechanisms - has square cross=section with cylindrical rollers positioned along diagonals to locate in slots in tool holder |
| 11/18/1992 | CN1066203A Method for workpiece by electric spark machining |
| 11/17/1992 | US5165085 Stroke end checking apparatus for machine tool of numerical control |
| 11/17/1992 | US5164563 Core removing apparatus |
| 11/12/1992 | WO1992019410A1 Process and machine for electrical discharge machining of cutting tips |
| 11/12/1992 | WO1992019409A1 Wire electrode cutting device |
| 11/12/1992 | DE4115107A1 Verfahren und maschine zum elektroerosiven bearbeiten von schneidplatten Method and machine for electrical-discharge process of cutting inserts |
| 11/11/1992 | EP0512314A2 Method of electric discharge cutting and wire cutting machine for carrying out the invention |
| 11/10/1992 | US5162630 Wire electrode threading apparatus for a wirecut electric discharge machine |
| 11/03/1992 | CA1309735C Tool magazine with tool-change apparatus and workpiece magazine with workpiece-change apparatus |
| 10/28/1992 | EP0286684B1 Wire cut electric discharge machine |
| 10/27/1992 | US5159167 Structure for and method of electrical discharge machining |
| 10/21/1992 | CN1018723B Servocontrol mechanism of electroerosion machine |
| 10/15/1992 | WO1992017309A1 Electrical discharge machine wire electrode guiding device |
| 10/15/1992 | WO1992017308A1 Top guide assembly in wirecut electric discharge machining device |
| 10/14/1992 | EP0508086A2 Electrospark machining pulse generator and method of using it |
| 10/14/1992 | EP0280735B1 Method of wire cut electric discharge machining |
| 10/07/1992 | EP0507741A2 Wire-cut electroerosion apparatus |
| 10/07/1992 | EP0507560A2 Electric discharge machines |
| 10/07/1992 | EP0506981A1 Wire feed device |
| 10/07/1992 | CN1018531B Method for controlled withdrawal of a countersinking electrode in electroerosion machine |
| 10/01/1992 | WO1992013667A3 Electrochemical machining |
| 09/30/1992 | EP0505570A1 Method of automatically retrieving working conditions in electric discharge |
| 09/30/1992 | CN1064829A Pulse generator for electron discharge machining and method suitable for this |
| 09/29/1992 | CA1308176C Apparatus for electroerosive piercing of holes in workpieces |
| 09/23/1992 | EP0504861A1 Method of varying wire-electroerosion cutting parameters when cutting into the workpiece |
| 09/23/1992 | CN2116544U High-frequency impulse source device for electric spark wire cutting |
| 09/22/1992 | US5150102 Machining fluid temperature deviation alarm |
| 09/22/1992 | US5149931 Power source for electric discharge machining |
| 09/16/1992 | EP0503509A2 Electro-erosion wire cutting method |
| 09/09/1992 | CN1064361A Method for monitoring and design functional programs of workpiece processing device and applicable arrangement thereof |
| 09/03/1992 | WO1992014575A1 Anti-corrosion device for electro-erosion machining |
| 09/02/1992 | CN2114530U Electrode wire antidromal device for linear cutter |
| 09/01/1992 | US5144212 Numerical control device |
| 08/27/1992 | DE4105291A1 Workpiece processing functions, monitoring esp. for spark erosion machine - using multiple window screens showing functions and setting values in separate screens |
| 08/26/1992 | EP0500191A1 Patterned plastic optical components |
| 08/25/1992 | US5142116 Wire cutting electric discharge machine |
| 08/20/1992 | WO1992013667A2 Electrochemical machining |
| 08/19/1992 | EP0355168B1 Device for controlling wire tension and detecting breakage of wire |
| 08/19/1992 | EP0354967B1 Gap voltage detector for wire cut electric discharge machines |
| 08/19/1992 | EP0340312B1 Wire connection completion detector |
| 08/19/1992 | EP0340308B1 Large taper machining method using wire electric discharge machine |
| 08/19/1992 | EP0335986B1 Wire driving apparatus for wire electric discharge machines |
| 08/18/1992 | US5140125 Wire-electrode arrangement for spark-erosive cutting |
| 08/18/1992 | US5140124 Machining fluid circulating apparatus |
| 08/13/1992 | DE4104387A1 Electroerosion cutting electrode - has high tensile strength non-conductive non-metal wire within a conductive mantle |
| 08/11/1992 | US5138126 Wire cut type electric discharge machine |
| 08/05/1992 | CN1017691B Method and apparatus for electroerosive working of workpieces |
| 08/05/1992 | CN1017690B Cutting device by spark erosion |
| 07/30/1992 | DE4102250A1 Electro-erosion - uses dielectric contg. carbon@ to give constant conductive working edge zone on workpieces of low or no electrical conductivity |
| 07/29/1992 | EP0495985A1 Method and apparatus for electrical discharge machining |
| 07/28/1992 | US5134346 Apparatus for driving a spindle of an electroerosive machine |
| 07/23/1992 | WO1992011969A1 Wire-cut electrical discharge machine |
| 07/23/1992 | WO1992011923A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 07/22/1992 | EP0495511A2 Wirecut electric discharge machine |
| 07/15/1992 | CN2109907U Height changing and hydrayjet following device for heavy taper silk frame of wire cutter |
| 07/14/1992 | US5130508 Wire threading method for a wire discharge machine |
| 07/08/1992 | EP0493890A2 A multi-head type of electro-discharging machine |
| 07/08/1992 | EP0314796B1 Wire cut electric spark machine equipped with electric shock prevention means |
| 07/08/1992 | CN1062489A Chip removing device of electro-discharge machine |
| 07/07/1992 | US5128505 Injection device and electrode wire electric discharge machine for high-speed precision machining |
| 07/01/1992 | EP0491958A1 Method and apparatus for generating pulses |
| 07/01/1992 | CN2108599U Automatic protector for wire cutter |
| 06/30/1992 | US5126949 Numerically controlled electric discharge machining system |
| 06/30/1992 | US5126524 Wire guide device for a wire electrodischarge machine |
| 06/24/1992 | EP0491052A1 Method of finishing gear by electrolytically machining and method of machining electrode used therein |
| 06/17/1992 | CN1061925A Pulse power supply for electric spark machine of conducting ceramic material |
| 06/16/1992 | US5122630 Device and control process for an edm cutting machine preventing wire breakage |
| 06/16/1992 | CA1303685C Driving apparatus |