The present invention relates to a client device (1) and a system (100) for data acquisition and preprocessing of process-related mass data of at least one CNC machine (10) or an industrial robot and for sending the process-related data to at least one data receiver (10), z. A cloud-based server, wherein the client device (1) has at least one first data communication interface (2) with at least one control device (11) of the CNC machine (10) or the industrial robot for continuously recording hard process-related real-time data over at least one Real-time data channel (7) and for recording non-real-time process-related data over at least one non-real-time data channel (8). The client device (1) further comprises at least one data processing unit (5) for data-mapping at least the recorded non-real-time data to the recorded real-time hard data to aggregate a contextualized amount of process-related data. In addition, the client device (1) comprises at least one second data interface (3) for sending the contextualized amount of process-related mass data to the data receiver (20) and for further data communication with the data receiver (20).
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