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The Research and Development on the Data Real-Time Acquisition and Supervision System of NC Machine

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Tutor: YeWenHua
School: Nanjing University of Aeronautics and Astronautics
Course: Mechanical and Electronic Engineering
Keywords: CNC machine tools,Real-time data acquisition,OPC,Electrical circuit,Macro,The pr
CLC: TP274.2
Type: Master's thesis
Year:  2008
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Production site real-time information collection, transmission , processing and analysis is the basis of modern manufacturing enterprises rapid decision-making and response . With the development of manufacturing automation and enterprise information , the automatic acquisition of manufacturing information needs of more and more intense , but often makes difficult for enterprises to real-time acquisition of CNC machine tools CNC machine tools diversity, heterogeneity, and the numerical control system is not open , the field data . Therefore , the study CNC machine status data collection has important practical significance . Firstly analyzed from the point of view of information collection CNC machine tools machine body , relations between PLC and CNC , standard communication interface based on CNC machine tools , machine tools PLC , the realization of the three data collection method based on the machine electrical circuit technology and the advantages and disadvantages of . Then, a detailed study based on the machine electrical circuit realization of machine data acquisition technology - based on the the external PLC collection , analysis process of the implementation of this method , generic OPC client can read data from different OPC server . On this basis , designed with CNC machine tools serial port and two acquisition functions based on an external PLC machine data acquisition and monitoring system ( NC - SCADA ) overall structure of the system to achieve a number of key technology , the development and realization of the NC- SCADA systems and CNC production line in Maanshan Iron \u0026 Steel wheel Company has been successfully applied . The system has a common , scalable and reusable features . Finally, the summary of the full text , and further work is prospected .
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