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7371989 |
Wire electric discharge machine
A wire electric discharge machine capable of taper machining with an improved accuracy. A reference wire correction amount d set in advance is determined to be a proper value for a wire-diameter...
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7294806 |
Method and device for measuring and adjusting the electrode for taper machining on an electrical discharge machine
A device and method for measuring and adjusting an electrode used during electrical discharge taper machining, referenced on three axes, Y and Y horizontal and Z vertical, whereas two linear...
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7282660 |
Machining fluid level detection device for wire cut electrical discharge machines
A table for placing a workpiece is grounded. An electrode for detecting machining fluid level is attached to an upper guide that guides the wire electrode, with the electrode insulated from the...
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7262381 |
Controller for wire electric discharge machine
A controller for a wire cut electric discharge machine which can provide stable finish machining and corner-region machining with high corner-form accuracy. An electric discharge gap detection...
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7230200 |
Wire cutting device, wire transport system, and method for severing of a wire electrode in an EDM machine
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;...
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7217902 |
Wire-cut electric discharge machine
A wire-cut electric discharge machine which improves contact between a wire electrode and a conducting member without deforming the wire electrode to suppress production of minute electric...
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7211762 |
Wire electric discharge machine and wire electric discharge machining method
A wire electric discharge machine and a wire electric discharge machining method in which a workpiece set posture is compensated for an error. After a workpiece is set and fixed on a workpiece...
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7119300 |
Method and apparatus of asynchronous electric discharge machine for wire cut
An apparatus of asynchronous electric discharge machine for wire cut adopted for use in machine industries employs a first electric discharge machine unit and a second electric discharge machine...
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7109432 |
Electric power unit for machining of wire electric discharge machine
The electric power unit for machining of a wire electric discharge machine includes an electric discharge state discriminate or ( 1 a ) for discriminating a state of electric discharge generated...
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7083746 |
Method of making an optical component, a mould for use in such method, and an optical component so produced
An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in...
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7078645 |
Working liquid ejector of wire electric discharge machine
A machining-fluid ejection device for a wire electric discharge machining apparatus includes a nozzle for ejecting machining-fluid into an inter-electrode gap between a workpiece (W) and a wire...
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7038158 |
Wire electrical discharge machining apparatus
A wire cutting electric discharge machine has a high frequency voltage applying unit that applies a high frequency voltage and a direct current voltage applying unit applies a direct current...
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7009133 |
Wire-cut electric discharge machine
A wire-cut electric discharge machine capable of taking out a cutoff piece smoothly upwardly of a workpiece even if the cutoff piece has a complicated shape, by holding the cutoff piece...
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7002093 |
Manual feed device in wire electric discharge machine
A manual feeding device in a wire electric discharge machine in which selection between a jog feed and a step feed is made automatically without mode change. When an axis motion key is pressed, a...
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6998562 |
Controller for a wire electrical discharge machine
Set feed speed is lowered when a short circuit is detected in a range within which machining is unstable, the range starting from the point at which discharge is detected after machining starts...
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6998561 |
Wire electric discharge machine
A wire electric discharge machine capable of preventing a straightness error from being caused by consumption of a wire electrode, to eliminate insufficient machining. A correction angle φ is...
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6984800 |
Wire electric discharge machine
A wire electric discharge machine capable of adjusting spacing between a nozzle and a workpiece without manual operation and without causing damage to a machine and a workpiece. The wire electric...
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6979794 |
Wire cutting device of wire electric discharge machine
When starting a wire cutting operation, a first predetermined current is supplied from a power unit to a wire, and at the same time predetermined tension is applied from a tension applying device...
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6972389 |
Method and apparatus for preparing program for die machining
When die machining including machining processes from a rough machining process to a finish machining process is carried out on the same workpiece along a closed machining path, each of the points...
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6930272 |
Vise for holding a workpiece on an EDM machine
A vise for holding a work piece in position on an EDM machine includes a main plate for attachment to the rail or ledge of the EDM machine, and the main plate supports a vise that holds the work...
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6924453 |
Machining control method for wire-cut electric discharge machine
The number of electric discharge pulses is detected every given period. A deviation between the detected number and a target number of electric discharge pulses is obtained. Based on the obtained...
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6921876 |
Method for adjusting nozzle gap
A method for adjusting the gap between an upper nozzle of a wire electric discharge machine includes placing a spacer member of a known thickness between a forward end of the upper nozzle and a...
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6903297 |
Wire electric-discharge machining method and device
A wire electrical discharge machining apparatus for machining a workpiece ( 2 ) by supplying discharge energy to a gap between a wire electrode ( 1 a ) and the workpiece ( 2 ) by a...
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6897398 |
Machining monitor
A machining monitor has a depicting function for depicting the machining status of a wire electric discharge machine controlled by a numerical control device. The machining monitor has current...
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6897397 |
Wire electric discharge machining method and wire electric discharge machine
The present invention provides a wire electric discharge machining apparatus for machining a workpiece ( 1 ) by electric discharge in which driving means ( 9 ) relatively moves a wire electrode ( 5...
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6888087 |
Wire electric discharge machine
Automated wire connection is performed, and when the wire connection succeeds, the wire feed rate during the next connection is set to a value one stage faster. On the other hand, when connection...
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6875943 |
Electric discharge machining wire
An electrode for electric discharge machining comprises a high strength pearlitic steel wire having a carbon content higher than 0.6% and a tensile strength higher than 3000 N/mm2. The steel wire...
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6855904 |
Wire electric discharge machining apparatus
A wire electric discharge machining apparatus having a structure for supplying power to a wire electrode which prolongs the life of a power supply element and reduces manufacturing and running...
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6847002 |
Microelectrode machining device
The microelectrode machining device disclosed by the invention mainly comprises a platform, a wire supply mechanism, a wire guide, and two (electric conductor)elements, wherein the platform can be...
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6844516 |
Wire cut electric discharge machine with rollers
A wire cut electric discharge machine having rollers is disclosed. It has a wire electrode disposed in a working zone of the electric discharge machine. This wire electrode is rolled by a rolling...
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6833523 |
Wire cut electric discharge machine with fluid cooler and method of machining
A wire electrical discharge machining apparatus for machining a workpiece by supplying electric discharge energy to a gap between a wire electrode and the workpiece by machining-electric-power...
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6832126 |
Control apparatus for wire cut electric discharge machine
In a wire cut electric discharge machine, a correction block is inserted into a corner of a movement path where the wire electrode is moved by the electrode moving device. The correction block does...
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6831245 |
Wire electric discharge machining device
A wire electric discharge machining apparatus has a wire guide upper unit for slidably retaining a wire electrode above a subject to be machined, a wire guide lower unit for slidably retaining the...
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6815630 |
Wire electric discharge machine
Wire electric discharge machine in which traveling direction of wire electrode is changed by lower roller arranged at lower portion of a workpiece, wire electrode is held and pulled by capstan...
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6806433 |
High-strength erosion electrode
The invention concerns a high-strength erosion electrode having good electrical conductivity. The erosion electrode is made up of a steel core, an intermediate layer of copper or a...
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6803537 |
Wire electric discharge machine including profile adjusting mechanism
A wire electrical discharge machine in which a profile directing unit controls a profile of a portion in the neighborhood of an approach point, which connects an approach path portion with a...
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6794597 |
Wire electrode with a structured interface surface
In order to achieve a reduction in wear of the wire guide rollers, apart from an improvement in the cutting speed and an improvement in current conduction, a wire electrode for spark erosion...
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6787727 |
Automatic wire electrode feeder for wire electric discharge machining devices
An automatic wire feeder of a wire electric discharge machine includes an optical sensor for detecting positional information of a wire electrode in an inserting passage between a feed roller for...
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6781081 |
Wire electrode for spark erosion cutting
A wire electrode for spark erosion cutting of metals, electrically-conducting ceramics etc., comprising either a homogenous centre ( 1 ) made of a metal or of a metal alloy, or a composite centre...
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6781080 |
Wire electric discharge machine with stored discharge energy threshold function
A wire electric discharge machine includes storage means for storing threshold value data found from a relation between the normal electric discharge pulse energy and the electric discharge...
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6774334 |
Wire electric discharge machining of corners
A wire discharge machining method that involves decreasing gradually a discharge energy from a position (point A) a first predetermined distance (Lpre) prior to a corner portion entry (point B) on...
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6768076 |
Precision base and fixture adapter set-up
A base and fixture adapter set-up comprising a bas. The base comprising a main locating surface, an alignment surface, and a second solid surface or stop edge. A compound angle hole in the base for...
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6747237 |
Method of and device for adjusting perpendicularity of wire of wire-cut electric discharge machine
A method of and a device for adjusting perpendicularity of a wire of a wire-cut electric discharge machine for performing a precise electric discharge machining with low cost. The wire is inclined...
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6747236 |
Wire electric discharge machining apparatus
A wire electrical discharge machine includes a wire bobbin 3 with a wire electrode 1 wound therearound; a fixing base 25 for fixing the wire bobbin 3 so that the wire bobbin 3 does not...
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6744002 |
Method and apparatus for electrodischarge wire machining
In wire electric discharge machining in which electric discharge energy is supplied between a wire electrode ( 1 a ) and a workpiece ( 2 ) by a machining electric power supply means ( 16 ) so as to...
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6737602 |
EDM apparatus and method incorporating combined electro-erosion and mechanical sawing features
A system and method for accomplishing combined electro-erosion and mechanical cutting of a workpiece which includes an outer metallic jacket and a non-metallic inner core. An elongated wire...
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6730872 |
Method of and apparatus for wire electric-discharge machining
The wire electric-discharge machining apparatus is provided with an inter-pole voltage correction unit 109 which corrects a voltage corresponding to an inter-pole voltage according to a...
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6723941 |
Wire electric-discharge machining apparatus
In the wire electric-discharge machining apparatus, when a measured voltage exceeds a proportional constant switching voltage that is set higher than a short circuit reference voltage, a relative...
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6713705 |
Wire electric discharge machining method and wire electric discharge machine utilizing pressurized gas for removing machining solution
A workpiece is machined by consecutively performing at least two of machining in a machining solution, machining in a mist and machining in a gas, such that at a point of time before the start of...
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6698639 |
Automatic wire supply system of wire cut electrodischarge machine
An automatic wire feeder of a wire electric discharge machine in which electric discharge is generated between a traveling wire electrode ( 1 ) and a workpiece so as to machine the workpiece by the...
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