| Patent Number |
Title Of Patent |
Date Issued |
| D472250 |
Machine tool |
March 25, 2003 |
|
| D422289 |
Machine tool |
April 4, 2000 |
|
| D406155 |
Electro-erosion die-sinking machine |
February 23, 1999 |
|
| D405809 |
Electro-erosive wire cutting machine |
February 16, 1999 |
|
| D401598 |
Wire electroerosion machine |
November 24, 1998 |
|
| 7230200 |
Wire cutting device, wire transport system, and method for severing of a wire electrode in an ED |
June 12, 2007 |
| A wire cutting device for an electrical discharge machining (EDM) machine with a wire draw-off device, which moves a wire electrode along a feed direction into a cutting zone of the EDM machine; and with a deflection unit in order to deflect the wire electrode running in the feed directi |
| 6933457 |
Method and apparatus for electrical discharge machining of a workpiece |
August 23, 2005 |
| A method and apparatus for electrical discharge machining of a workpiece wherein an erosion pulse is applied on the tool electrode. During the time of the erosion pulse the voltage (U.sub.e) set on the electrode is acquired, and the erosion pulse is interrupted, after an asymptotic b |
| 6920370 |
Method and device for disturbance sensing, especially collision sensing, in the drive system of |
July 19, 2005 |
| A method and device for disturbance sensing in the drive system of a numerically controlled machine tool or similar device is disclosed, in which at least one drive motor for positioning of a machine part being moved such as an advance slide or an X/Y cross-slide is coupled via one or |
| 6759620 |
Method and device for controlling a die-sink erosion machine |
July 6, 2004 |
| A method and a device are for controlling multiple machining processes in a die-sink erosion machine with several identical or different electrodes (R1, R2, R3, R4), whereby the machining sequence of the machining processes and the electrode used for each machining process are determined |
| 6707304 |
Devices and methods for detecting a processing electrode of a machine tool |
March 16, 2004 |
| Devices and methods are disclosed for the contactless detection of a bar-shaped or wire-shaped processing electrode of a machine tool such as a spark erosion machine. The detection is based on measuring an impedance change in the measuring area, which is caused by the processing electrod |
| 6674040 |
Cutting erosion machine tool |
January 6, 2004 |
| A machine tool with a machine frame is disclosed. A first tool guide is provided on the frame to guide a tool to a first guide position. The first tool guide is a movable gantry carrier with a movable first sliding carriage. The tool guide can be moved with respect to the machine frame i |
| 6646220 |
Device and method of guiding a processing electrode in a machine tool |
November 11, 2003 |
| Devices and methods for threading a wire electrode in a wire erosion machine are disclosed. A feed-through channel is provided for producing a fluid jet within which the machining electrode is guided. One or more control devices are provided for varying the cross section of the feed- |
| 6627836 |
Electrical discharge process and a device for multiple wire processing |
September 30, 2003 |
| Methods and apparatus are disclosed for the processing of a work piece by electrical discharge, the processing being carried out with at least two wire electrodes. In the process, the offset of both the positions of the at least two wire electrodes relative to one another are determined, |
| 6600125 |
Process parameter optimization in electrical discharge machining |
July 29, 2003 |
| A method and apparatus for electrical discharge or electrochemical machining of workpieces, in which a machining electrode is moved relative to a workpiece, the machining is performed in cycles, and the appropriate process parameters are adjusted for machining of the current cycle with |
| 6556886 |
Method and device for controlling a machine tool, in particular, a die-sink erosion machine |
April 29, 2003 |
| A method and a device for controlling a number of machining processes on a machine tool with the help of a control device (20) that controls at least one tool for performing said number of machining processes under the direction of a control program, whereby the control program is create |
| 6541728 |
Method and apparatus for tensioning a wire electrode in a spark-erosion machine |
April 1, 2003 |
| A wire tensioning system for a wire-shaped working electrode of a spark erosion machine and a procedure for the tensioning of the working electrode. The working electrode at least nearly circumferentially encompasses a braking roller in a wire entry zone and/or a tensioning roller in |
| 6521856 |
Method and device for controlling a die-sink erosion machine |
February 18, 2003 |
| A method and a device are for controlling multiple machining processes in a die-sink erosion machine with several identical or different electrodes (R1, R2, R3, R4), whereby the machining sequence of the machining processes and the electrode used for each machining process are determined |
| 6495789 |
Device and method for introducing a machining electrode into a EDM machine |
December 17, 2002 |
| A device for preparation of a machining electrode, especially a machining electrode or bar sinking electrode in an EDM machine for feed into an electrode guide system. The device employs a suction and advance device for suction and advance of the machining electrode and at least one |
| 6486429 |
Electric discharge machine and module set for assembly of machine tools |
November 26, 2002 |
| An EDM machine for machining a workpiece is disclosed. The EDM machine includes a machine frame having a central stationary machine body and a machining electrode to machine the workpiece. Machining occurs by producing a relative movement in at least one of an X axial direction and a |
| 6454930 |
Procedure and device for the three-dimensional processing of a work piece by means of electroero |
September 24, 2002 |
| A procedure and a device for the electroerosive or electrochemical machining of bent surfaces of a work piece (2) by means of an electrode (1; 1'; 1") which is generally independent of the form of the bent surface, in which the electrode (1; 1'; 1") is led for the machining of the be |
| 6320151 |
Method for electric discharge machining of a workpiece and corresponding apparatus |
November 20, 2001 |
| A method and apparatus for wire cutting electric discharge machining to achieve precise surfaces with R.sub.a <0.1 microns. An intermittent operation is used with erosion pulses for primarily machining and erosion pulses for measuring any excursion of the wire electrode from the rest |
| 6303890 |
Method for the controlled withdrawal movement of a machining electrode in an erosion device |
October 16, 2001 |
| A method and a device for the controlled withdrawal movement of a machining electrode in an erosion device wherein, in the case of a process malfunction, the machining electrode is moved backward along the previously traveled machining path (B) (first way of withdrawal) and along a w |
| 6252191 |
Method and apparatus for electrical discharge machining with intermittent electrical measuring |
June 26, 2001 |
| EDM according to the present invention involves an intermttent type of operation between erosion pulses and measurement pulses in order to circumvent an interfering self-control effect of an electrode during fine machining. To achieve shorter processing times, higher precision and be |
| 6064920 |
Electroerosion apparatus drive control system employing fuzzy logic |
May 16, 2000 |
| An apparatus and method is provided for tuning a controller parameter of a PIV controller with a position, velocity and/or integral controller element for a control path of a drive in an electroerosion apparatus, with the help of a fuzzy controller, wherein for the purpose of tuning, a |
| 5973288 |
Method and apparatus for controlling spark erosion process |
October 26, 1999 |
| A method and an apparatus for controlling a spark erosion process between a workpiece and an electrode for instance a microdrilling electrode, so that the erosion process becomes less susceptible to a malfunction, in that at least one process parameter is measured along a first test inte |
| 5959865 |
Method and apparatus for controlling an electroerosive machine |
September 28, 1999 |
| A method and apparatus control an EDM machine with at least one input device and one computer. During and/or after input into a controller, the required control data are subdivided into object-oriented data that directly concern individual operations, and into strategic data that con |
| 5935456 |
Method and apparatus for electroerosive cutting |
August 10, 1999 |
| A method for moving a guide head of a wire erosion machine and possibly a workpiece along a guide path (TD), determining a drag error (S; S.sub.B ; S.sub.G) of a wire electrode from making several drag error acquisitions or from a combination of several drag errors (S; S.sub.B ; S.sub.G) |
| 5922220 |
Method and apparatus for electroerosive cutting |
July 13, 1999 |
| A method and apparatus for wire electroerosive cutting of a workpiece, the wire guided in a toroidal guide and a main guide associated with the toroidal guide, the position(s) of the toroidal guide and/or of the main guide with respect to the desired position of the erosion wire is(are) |
| 5922187 |
Method for controlling an electroerosion machine |
July 13, 1999 |
| The invention relates to a method for controlling an electroerosion machine wherein a control device is provided with technological parameter sets. These link one of a group of input parameters with suitable output parameters. The control device compares actual, current input parameters |
| 5874703 |
Method and apparatus for impulse generator for electroerosive machining of workpieces |
February 23, 1999 |
| A method and apparatus for electroerosive machining (i.e. electric discharge machining) of workpieces is accomplished by supplying pulses of varying polarity to the gap between an electrode and a workpiece. Instead of a pause between pulses of the same polarity, the pulse generator i |
| 5866865 |
Wire direction changer assembly for a wire electrode spark erosion machine |
February 2, 1999 |
| A wire direction changer assembly is disclosed for installation in the wire path system of a wire electrode spark erosion machine with a wire entrance port, a wire discharge port, an essentially tube or tunnel wire guide channel connecting to both ports along a curved path; and a suction |
| 5852268 |
Method and apparatus for fine machining with spark erosion using a wire electrode |
December 22, 1998 |
| A method of and a spark erosion apparatus for fine machining by spark erosion of a workpiece (2) with a wire electrode (1) eliminates very efficiently process interruptions caused by short circuits, such that at least one gap parameter is continuously monitored for the purpose of det |
| 5824986 |
Method and apparatus for wire erosion |
October 20, 1998 |
| The excursion (a) of a wire electrode (10) is held constant at a pre-set value during the machining operation. The forward feed rate of an X/Y drive (24), the pulse frequency of the machining pulse or a combination of both these erosion parameters are preferably selected as a regulated |
| 5824985 |
Apparatus for tiltably guiding electrodes in electro erosion machine |
October 20, 1998 |
| An electroerosion apparatus is disclosed having an upper and a lower tiltable electrode guide assembly, each are independently tiltable about a first and a second tilt axis. Both tilt axes are each associated with tilt drives. Each tilt drive includes a servo motor mounted outside the |
| 5808263 |
Method and apparatus for electroerosive machining |
September 15, 1998 |
| A method and apparatus for moving guide heads, possibly of a workpiece, of a wire erosion machine along in each case a wire guide path (TD) in which connection, by a cutting wire (1) traveling between the guide heads, a contour is cut into the workpiece (5) and the actual drag error (S) |
