4 Remote monitoring and diagnosis
The increasing degree of automation of CNC machine tools and the rapid increase in complexity have led to problems of increased maintenance costs and huge downtime losses. Therefore, the role of networked CNC systems in supporting remote monitoring in network manufacturing has become very important and has become an important aspect of measuring the performance of CNC systems. Through real-time monitoring of the machining process of the machine tool, faults or abnormal conditions can be found in time. When the numerical control system is faulty, the CNC system manufacturer can quickly diagnose and maintain the user's numerical control system through the Internet, which can greatly reduce the blindness of maintenance, improve the equipment integrity rate, and satisfy the user's remote fault monitoring and fault diagnosis of the CNC machine tool. , the requirements for fault repair.
The development of global computer networks and the mature application of multimedia technology. The large-scale application of remote video technology sensor technology provides a solid technical foundation for networked CNC systems with remote monitoring. On-line monitoring mainly includes mechanical faults, production environment, main parts of the underlying equipment, sensor signals of components, equipment operation signals, fault warning lights of the underlying equipment and controllers, and status change indicator signals. All information should be processed not only locally, but also all monitoring information can be sent to a remote monitoring and diagnostic center in a form that can be transmitted over the Internet. The main issues to be resolved are:
(l) Transmission, storage and compression formats of remote data.
(2) How to obtain remote device data.
(3) Establishment of monitoring and diagnosis database.
(4) Security of network monitoring and diagnosis.
5 examples
6 Conclusion
Network numerical control uses Internet technology, communication technology, numerical control technology and computer technology as technology. Remote design, numerical control programming and numerical control processing are integrated to realize the network and integration of numerical control equipment such as numerical control system, which has become the inevitable development of numerical control system. trend. It has a very wide range of technical connotations. This paper deals with the research status of network numerical control system at home and abroad. The discussion of key technologies is only one aspect of network numerical control system in the production and application of network resources. The use of network technology for resource optimization in large-scale numerical control system needs to be treated. Explore further.
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