Fanuc Corporation

Shouta Irie

Kaoru Hiraga

Hiroyuki Abe

Koji Suzuki

Kousuke Ookubo

A wire electrical discharge machine includes an upper wire guide and a lower wire guide supporting a wire electrode, a probe provided on an upper guide block having the upper wire guide, an offset storage unit for storing an offset amount from the upper wire guide to the probe, a position shift drive unit for changing the relative position between the table, and the upper and lower wire guides, a drive controller for controlling the position shift drive unit, a contact position calculator for calculating a contact position that is a position of the probe when it comes in contact, and a machining start position calculator for calculating a machining start position of the wire electrode, based on at least two contact positions and the offset amount. The drive controller controls the position shift drive unit so that the position of the wire electrode becomes the machining start position.

Wire electrical discharge machine

A program creation apparatus includes: a display unit configured to display a machining shape of a workpiece that is input by a user through an input unit; a core fixing portion setter for setting a predetermined range including a point on a machining line between the workpiece and a core to be formed by machining the workpiece, specified on the display unit with the machining shape of the workpiece displayed thereon, by the user through the input unit, as a core fixing portion; and a program creator for creating a program that causes the wire electrical discharge machine to fix the core to the workpiece in the set core fixing portion while machining the workpiece according to the input machining shape thereof.

Program creation apparatus and program creation method in program creation apparatus

A program generating apparatus includes a machining program generating unit configured to generate a machining program for controlling a wire electrical discharge machine so as to machine a workpiece in accordance with a machining shape of the workpiece input by a user and so as to fix a core which is produced when the workpiece is machined, to the workpiece. In the program generating apparatus, a core handling program generating unit generates a core handling program for controlling a robot so as to remove the core from the workpiece by applying an impact to the core in accordance with the input machining shape of the workpiece.

Program generating apparatus

A wire electric discharge machine provided with a disconnection repairing unit includes a core-fixing-end-position storing unit for storing a core fixing end position of a depositing and accumulating operation machined most lately among positions at which the depositing and accumulating operation for machining wastes by a core fixing function ends in a machining shape currently being machined and a disconnection repairing unit for executing automatic connection between a disconnection position and the core fixing end position.

Wire electric discharge machine provided with disconnection repairing unit

Provided is a wire electric discharge machine in which workpiece attaching and detaching unit attaches and detaches a workpiece to and from workpiece fixing unit, machining-reference-part detecting unit detects the position of a machining reference part of the workpiece, workpiece-positioning executing unit positions the workpiece in a position where the workpiece does not collide with machining-reference-part measuring unit, measurement-positioning executing unit positions the machining-reference-part measuring unit in a predetermined measurement start position, the machining-reference-part measuring unit measures the position of the machining reference part of the workpiece, and machining-reference-part-measurement executing unit executes a position measuring operation for the machining reference part of the workpiece using the machining-reference-part measuring unit.

Wire electric discharge machine including unit for adjusting attachment position of workpiece

A wire electrical discharge machine includes: a mounting table having a placement plane on which a workpiece can be placed; a first guide portion and a second guide portion for stretching a wire electrode therebetween. The first guide portion is integrally equipped with a probe. The relative position in the placement plane between the probe detecting its abutment with the workpiece and the first guide portion before moving the relative position between the first guide portion and the second guide portion is stored as an offset. This offset is corrected based on the tilt information indicating the tilt state of the workpiece relative to the placement plane. Thus, it is possible to obtain the corrected offset in accordance with the tilt state of the workpiece after changing the relative position between the first guide portion and the second guide portion.

Wire electrical discharge machine and wire electrical discharge machining method

A wire electrical discharge machine and a wire electrical discharge machining method are provided. The wire electrical discharge machine is equipped with a core position recognizing unit configured to recognize the position of a core which is fixed by a core fixing function, a core removal unit configured to remove the core, which is in the recognized position, from a workpiece on which machining has been performed, and a core removal determining unit configured to determine whether or not the core in the recognized position has actually been removed.

In the case where the shape of a machining path generated by analyzing a machining program includes a concave arc corner portion, the machining path is compensated by inserting a path leading from the end point to the start point of the concave arc along a path inside the concave arc and leading from the start point to the end point of the concave arc on the concave arc again.

Wire electrical discharge machine, machining path generator of wire electrical discharge machine, and machining method for use in wire electrical discharge machine for performing path compensation in concave arc corner portion

A wire electric discharge machine that machines a workpiece by supplying a working fluid to a work tank where the workpiece is placed includes a temperature monitor, which exercises control so that the temperature of the working fluid is within a predetermined range. An alarm is displayed when the temperature of the working fluid is outside an allowable temperature range. A time that has elapsed since the temperature of the working fluid falls within the allowable temperature range from outside the allowable temperature rage is measured and when the measured time exceeds a preset working fluid temperature difference disappearing time, the alarm is called off.

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Yamanashi, Japan

Shouta Irie