Client device (1) for data acquisition and preprocessing of process-related mass data of at least one CNC machine (Computer Numerical Control) (10) or an industrial robot and for sending the process-related data to at least one data receiver (20), z. A cloud-based server, the client device (1) comprising: at least one first data communication interface (2) having at least one controller (11) of the CNC machine (10) or the industrial robot for continuously recording hard process-related real-time data at least one real-time data channel (7) and for recording process-related non-real-time data over at least one non-real-time data channel (8); at least one data processing unit (5) for data-mapping at least the recorded non-real-time data to the recorded hard real-time data to aggregate a contextualized amount of process-related data; at least one second data communication interface (3) for transmitting the contextualized amount of process-related data to the data receiver (20) and for further data communication with the data receiver (20).
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