Online monitoring numerical-control system based on network architecture

Abstract

The invention discloses an online monitoring numerical-control system based on a network architecture, comprising a numerical-control machine tool, an embedded online monitoring unit, a long-distance fault diagnosis center and a standard interface, wherein the embedded online monitoring unit is provided with an independent center processing unit which is independently arranged in the system and comprises a PC (Personal Computer) / 104 bus, a signal conditioning module, a data acquisition card and an online monitoring module, used for realizing data acquisition and online monitoring and building data transmission in weak-coupling connection with the numerical-control machine tool and connected with the long-distance fault diagnosis center through the standard interface so as to carry out fault data transmission; and the numeral-control machine tool and the long-distance fault diagnosis center are connected through the standard interface to realize information interaction. The invention realizes a numerical-control machine tool complete-unit monitoring platform for carrying out information seamless interaction between a numerical-control system and an embedded online monitoring unit, and integrally realizes that the state of the numerical-control machine tool can be displayed, the faults thereof can be diagnosed, the performance thereof can be predicted, and the numerical-control machine tool can be controlled for long distance by taking the platform as a node or a terminal of an equipment information network,.

Description

technical field [0001] The invention belongs to the technical field of numerical control systems in the manufacturing industry, and in particular relates to online monitoring, fault diagnosis, intelligent control and networked remote maintenance of the numerical control system. Background technique [0002] The improvement of manufacturing quality requirements in the field of advanced manufacturing technology has highlighted the importance of online monitoring, status identification and intelligent control technology as the basis of high-precision digital processing. Building an online monitoring software and hardware platform on the CNC system is the basis for early warning and control of various processing physical states, and then to realize the performance maintenance of the machine tool. At present, the existing online monitoring and diagnosis systems include Siemens ePS[1], which can realize the fault detection of machine tool electrical system and switch type, FANUC 1...

AI Technical Summary

Problems solved by technology

The main problems are that the traditional online monitoring equipment has the characteristics of installation complexity and external equipment due to volume constraints, while the customized special embedded monitoring module has defects such as long development cycle, poor openness and single monitoring function. , it is difficult to adapt to the development needs of open architecture and reconfigurable functional modules of high-end CNC systems

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