Wire electrical discharge machine and wire electrical discharge method for reducing machining damage during cutting machining and escape machining
First Claim
Patent Images
1. A wire electrical discharge machine for machining a workpiece, the wire electrical discharge machine comprising:
- at least one wire guide configured to move a wire electrode with respect to the workpiece to machine the workpiece by discharge generated between the wire electrode and the workpiece; and
a numerical controller configured to cause the wire guide to relatively move the wire electrode with respect to the workpiece while inclining the wire electrode within a plane parallel to a machining surface to which the wire electrode approaches in an approach section, whereinthe wire electrode performs cutting machining on the machining surface of the workpiece, andafter the approach section, the numerical controller is configured to cause the wire guide to gradually reduce an inclination of the wire electrode within the plane parallel to the machining surface for performing machining on the machining surface.
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Abstract
A wire electrical discharge machine includes an approach control unit. The approach control unit relatively moves a wire electrode with respect to a workpiece while inclining the wire electrode within a plane parallel to the machining surface to which the wire electrode approaches, in an approach section where the wire electrode performs cutting machining on the machining surface of the workpiece.
18 Citations
12 Claims
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1. A wire electrical discharge machine for machining a workpiece, the wire electrical discharge machine comprising:
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at least one wire guide configured to move a wire electrode with respect to the workpiece to machine the workpiece by discharge generated between the wire electrode and the workpiece; and a numerical controller configured to cause the wire guide to relatively move the wire electrode with respect to the workpiece while inclining the wire electrode within a plane parallel to a machining surface to which the wire electrode approaches in an approach section, wherein the wire electrode performs cutting machining on the machining surface of the workpiece, and after the approach section, the numerical controller is configured to cause the wire guide to gradually reduce an inclination of the wire electrode within the plane parallel to the machining surface for performing machining on the machining surface. - View Dependent Claims (2, 3)
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4. A wire electrical discharge machine for machining a workpiece, the wire electrical discharge machine comprising:
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at least one wire guide configured to move a wire electrode with respect to the workpiece to machine the workpiece by discharge generated between the wire electrode and the workpiece; and a numerical controller configured to cause the wire guide to relatively move the wire electrode with respect to the workpiece while inclining the wire electrode within a plane parallel to a machining surface, in which the wire electrode performs machining, in a section before an escape section where the wire electrode performs escape machining while escaping from the machining surface of the workpiece, wherein the numerical controller is configured to cause the wire guide to gradually reduce an inclination of the wire electrode within the plane parallel to the machining surface while moving the wire electrode in the escape section. - View Dependent Claims (5, 6)
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7. A wire electrical discharge method for relatively moving a wire electrode with respect to a workpiece according to a machining program and machining the workpiece by discharge generated between the wire electrode and the workpiece, the wire electrical discharge method comprising:
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relatively moving the wire electrode with respect to the workpiece while inclining the wire electrode within a plane parallel to a machining surface to which the wire electrode approaches in an approach section, wherein the wire electrode performs cutting machining on the machining surface of the workpiece, and after the approach section, an inclination of the wire electrode is gradually reduced within the plane parallel to the machining surface to perform machining on the machining surface. - View Dependent Claims (8, 9)
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10. A wire electrical discharge method for relatively moving a wire electrode with respect to a workpiece according to a machining program and machining the workpiece by discharge generated between the wire electrode and the workpiece, the wire electrical discharge method comprising:
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relatively moving the wire electrode with respect to the workpiece while inclining the wire electrode within a plane parallel to a machining surface in which the wire electrode performs machining, in a section before an escape section where the wire electrode performs escape machining by escaping from the machining surface of the workpiece, wherein an inclination of the wire electrode is gradually reduced within the plane parallel to the machining surface while moving the wire electrode in the escape section. - View Dependent Claims (11, 12)
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Specification