So I would expect, for your press, that you will need to know the number of operations, and from that the operating rate (operations per unit time), and the power consumed. Together, these would allow an estimate of the mechanical stresses being experienced, as well as giving you the total operating time and number of operations.
You clearly know the apparatus in detail, while I know nothing about it. But I would have expected that the average over a short period, 5 or 10 seconds, of power, together with the number of operations over the same period, would give you enough information - I would think that there’s a big danger that you will have too much data and not be able to extract the information that is significant.
Don’t worry about your English, it’s better than some English people I know. 
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