You might have started, but are you in the right direction?
People usually want to create data-lakes with all possible data expecting that AI will consume that and start bringing value to it... But this is a big mistake because AI is not ready to handle unprepared data.
Data needs to be prepared
First of all, you need to adopt a concise data-model. How are you going to structure your assets? Is a line the same thing as a machine? What is a group of lines? Which types of entities can carry information?
Do you want to improve the way you use your factory's data?