Abstract
Intelligent manufacturing has become a research hotspot, as the development direction of the new generation manufacturing system. CNC machine tools are the core manufacturing equipment of discrete manufacturing enterprises, however the traditional remote monitoring method for five-axis CNC machine tools has some problems, such as access latency, short coverage distance, low utilization rate of equipment, and so on. To solve this problem, this study proposed a remote intelligent monitoring system based on MQTT and LoRa communication for five-axis CNC machine tool. And the system integrates multi-source sensor signals of CNC machine tools to conduct synchronous real-time monitoring, interface control and fault alarm for multiple five-axis CNC machine tools. The results show that the system can monitor the functions and production process status of five-axis CNC machine tools within 3km based on MQTT and LoRa communication, and remotely realize the linkage control and real-time monitoring of multiple NC machining equipment by publishing and subscribing the status information of machine tools in real time.
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