Abstract

Industry 4.0 comprises a set of technologies that allow the interconnection, monitoring, and controlling of manufacturing processes. Today it represents a key point for the modern industry. The current work presents an Industry 4.0 system developed for monitoring and controlling a 5-axis CNC machine center, in real time, through a mobile device, providing important feedback information for users and manufacturers of the machine. Given that response time is crucial in such applications, we conducted an experimental investigation to examine the system latency with distinct database structures, based on SQL and NoSQL. The results suggest that the non-relational structure (NoSQL) presented lower response times and is, thus, best suited for the application in hand. The system allows monitoring and controlling of any CNC machine remotely—given that a middleware for connecting the machine is provided—in real time, presenting new possibilities from the perspectives of machine tool builders and shop floor management.

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