Wire disconnection prediction device
A technology for predicting devices and electrode wires, which is applied in electrode manufacturing, accessory devices, circuits, etc.
Active Publication Date: 2020-05-15
FANUC LTD
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Problems solved by technology
In addition, it is difficult to cope with disconnection due to the combination of various conditions
In addition, in the technology disclosed in JP-A-2001-105238, the threshold value for judging abnormal voltage also changes according to the processing conditions.
Therefore, even if bypassing is performed regardless of the situation when a predetermined voltage is detected, efficient machining cannot always be performed.
In addition, in the technology disclosed in International Patent Publication No. 2011 / 089648, it is necessary to perform trial machining processes at a plurality of plate thicknesses in advance for each of various workpieces.
Therefore, there is a problem of spending man-hours to deal with all situations
Method used
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Embodiment Construction
[0024] below, with Figure 1 Embodiments of the present invention will be described together.
[0025] figure 1 It is a schematic hardware configuration diagram showing main parts of a wire breakage predicting device according to an embodiment of the present invention. The wire electrode disconnection prediction device 1 of the present embodiment can be realized as a control device for controlling a wire electric discharge machine. In addition, the wire breakage predicting device 1 can be a personal computer installed together with the control device of the wire discharge machine, a management device 3 connected to the control device of the wire discharge machine via a network, an edge computer, a unit computer, a main computer, etc. Computers, cloud servers and other computers to achieve. In this embodiment, an example is shown where the wire breakage predicting device 1 is realized as a computer connected to a control device of a wire electric discharge machine via a wir...
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A wire disconnection prediction device includes: a data acquisition part configured to acquire data relating to machining of a workpiece in a state where a wire is not disconnected during machining ofthe workpiece by a wire electric discharge machine; a preprocessing part configured to create, machining condition data of a condition relating to a machining condition commanded in machining of theworkpiece, machining member data relating to a member used in the machining, and machining state data during machining of the workpiece, as state data indicating a state of the machining; and a learning part configured to generate, based on the state data created by the preprocessing part, a learning model indicating correlation between the state data and the state that the wire of the wire electric discharge machine is not disconnected.
Description
technical field [0001] The invention relates to a device for predicting wire breakage. Background technique [0002] In a wire electric discharge machine, a wire electrode used for machining may break during machining of a workpiece to be machined. Disconnection of the wire electrode may be difficult to occur or may be easy to occur depending on the state of processing. [0003] For example Figure 6 As shown, when the workpiece to be processed has a step difference, when processing the thick part of the workpiece, the workpiece should be processed according to the processing conditions for thick plates (processing conditions with large power supply) ( Figure 6 Figure above). If the processing of the thin part of the workpiece is maintained under this processing condition ( Figure 6 The figure below), the processing power is strong, and the wire electrode is easy to break. [0004] Additionally, if Figure 7 As an example, in electrical discharge machining, a machining ...
Claims
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IPC IPC(8): B23H7/04B23H7/02
CPCB23H7/04B23H7/02B23H7/20B23H7/102G05B2219/45043G06N20/00G05B13/048B23H7/08B23H11/006B23H2500/20B23H2300/00B23H2600/00G05B19/4155G05B2219/45221
Inventor 岳本政信羽田启太
Owner FANUC LTD