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Pre-warning system of numerical control machine tool

A technology of CNC machine tools and early warning systems, applied in metal processing machinery parts, maintenance and safety accessories, measuring/indicating equipment, etc., can solve problems such as electrical component damage, mains overcurrent, phase loss, short circuit unknown, etc., to achieve failure small loss effect

Inactive Publication Date: 2015-11-11
SHENZHEN CREATE CENTURY MACHINERY
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Problems solved by technology

[0005] The present invention provides an early warning system for CNC machine tools, which aims to solve the problems of overcurrent, phase loss, short circuit and other sudden problems in the main circuit of CNC machine tools in the prior art, which are not known, so that the further operation of CNC machine tools causes damage to electrical components.

Method used

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  • Pre-warning system of numerical control machine tool

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Embodiment Construction

[0016] The specific implementation process of the present invention will be described in detail below with reference to the accompanying drawings.

[0017] An early warning system for CNC machine tools, such as figure 1 As shown, it includes a detection element, a collection and judgment element, and a signal output element; the detection element is installed on the main line of the CNC machine tool circuit through the main power switch 5 to detect the main line current, and the collection and judgment element judges what the detection element detects When the current is greater than or less than the rated current threshold, an early warning signal is issued through the signal output element. The early warning signal may be an acoustic or optical alarm device, such as a flashing red light, a buzzer, etc.

[0018] Specifically, the detection element is a current transformer 1, and the current transformer 1 is installed on the main line through a main power switch 5 to detect current...

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Abstract

The invention discloses a pre-warning system of a numerical control machine tool. The pre-warning system comprises a detection element, a collection and judgment element and a signal output element. The detection element is arranged on a circuit main line of the numerical control machine tool through a power main switch and used for detecting current. When the collection and judgment element judges that the current detected by the detection element is larger or smaller than a rated current threshold value, a pre-warning signal is sent by the signal output element. The current of the main line of the machine tool is detected so that signal pre-warning can be effectively carried out on overcurrent, phase losses and short circuits of the main line; and it is guaranteed that when failures happen, the failures can be found in the first time, problems can be solved, and failure losses are made to be minimum.

Description

Technical field [0001] The invention belongs to the field of numerical control machine tools, and particularly relates to an early warning system for numerical control machine tools. Background technique [0002] CNC machine tools are typical mechatronic products and mainstream equipment in modern manufacturing. With the rapid development of CNC technology, CNC equipment has spread all over the world. With the widespread use of CNC machine tools, the failures of CNC machine tools have also increased rapidly, adding a lot of manpower and financial resources to production and equipment maintenance units, and even causing major accidents and economic losses to users. [0003] At present, the research on fault diagnosis of CNC machine tools mainly focuses on three aspects: machining process monitoring system, remote fault diagnosis and fault prediction system. On-site monitoring and remote fault diagnosis both indirectly infer faults by monitoring the cutting process. The fault predic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/00B23Q11/00
CPCB23Q17/00B23Q11/00
Inventor 夏军李立吴坤勇
Owner SHENZHEN CREATE CENTURY MACHINERY
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