Numerical control machine tool fault automatic diagnosis system

Abstract

The invention discloses an automatic fault diagnosis system for a numerical control machine tool, belongs to the field of equipment diagnosis, relates to a model building technology, and is used for monitoring equipment parameters of the numerical control machine tool and avoiding the situation that equipment problems of the numerical control machine tool are not known by a user. According to the invention, equipment working parameters are acquired through a parameter acquisition module; a preprocessing module preprocesses the equipment working parameters; a model training module is used for training a preprocessing result of the preprocessing module to obtain a training model; a fault diagnosis module receives the equipment working parameters preprocessed by the preprocessing module in real time and substitutes the equipment working parameters into the training model for equipment normal index calculation; the equipment normal index is compared with an equipment normal index threshold value and an early warning signal is output; and a fault alarm module receives the early warning signal and carries out fault alarm so as to complete numerical control machine tool fault automatic diagnosis and autonomous alarm. And the situation that equipment problems of the numerical control machine tool are not known by themselves is effectively avoided.

Description

technical field [0001] The invention belongs to the field of equipment diagnosis, relates to model establishment technology, in particular to a numerically controlled machine tool fault automatic diagnosis system. Background technique [0002] CNC machine tool is the abbreviation of numerical control machine tool, which is an automatic machine tool equipped with a program control system. The control system can logically process the program specified by the control code or other symbolic instructions, decode it, express it in coded numbers, and input it into the numerical control device through the information carrier. After calculation and processing, various control signals are sent by the numerical control device to control the movement of the machine tool, and the parts are automatically processed according to the shape and size required by the drawing. [0003] Because of the relatively strict processing requirements for CNC machine tools, most factories put strict emph...

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Problems solved by technology

[0003] Because of the relatively strict processing requirements for CNC machine tools, most factories put strict emphasis on the parts products processed by CNC machine tools, and control the products of parts, but lack the equipment parameters of CNC machine tools themselves. Monitoring, which leads to the occurrence of equipment problems in CNC machine tools without knowing it in many cases

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