Research And Development Of FANUC-DNC System Based On TCP/IP

Faced with the technological revolution and industrial transformation,manufacturing transformation and upgrading is imperative. Manufacturing industry need to establish a rapid response mechanism and achieve flexible manufacturing to meet the demands of “Multi-Variety and Small-Batch” and “Mass Customization” by information technology. CNC equipment is the key to realize the flexible manufacturing, the rapid development of CNC technology has greatly improved the degree of popularization for the CNC equipment in manufacturing industry, and numerical control rate on the key link has reached 33%. However, there are many problems in the management of the CNC workshop, such as opaque process, low operation efficiency, rough management and so on. The DNC based on TCP/IP builds the network communication of CNC with control computer, other CNC and operator,and eliminates completely the information island of the workshop, and obtains the aim of concentrating, digital and information management.Faced with the state of high-end CNC all equipped with Ethernet interface, DNC system taking FANUC CNC system as research object, using industrial Ethernet and based on TCP/IP protocol is proposed in this paper. To ensure the stability and availability of the system, this software develop based on industrial internet of things platform. The system adopts the way of combining C/S structure with B/S structure,which not only realize field management and remote monitoring for the CNC equipment but also simplify system installation and ensure data security.Multithreading technique is applied to the realization of the signal acquisition for CNC equipment, and the DNC system achieves heterogeneous communication by designing middleware. The system is based on.NET platform, and using C# as programming language. The test platform for DNC system includes 23 FANUC CNC equipment. The test results show that FANUC-DNC system based on TCP / IP can realize network communication for CNC machine tool, working status real-time collection,centralized management for NC program, remote maintenance for PMCparameters and efficiency analysis.