We are scroungeanized... like a parallel universe, only different.
I worked on both HD and optical drives (ODD)... the magnets in HD actuators are worth the effort. HD actuators are rotational and the magnets are STRONG rare-earth stuff.
The pickup head in an optical drive rides little rods like in the inkjet printers (linear). You might also like those rods as they have high precision similar to the inkjet traverse rods...very much like your CNC machine linear actuators.
Not much else scroungeable in those devices. Motors might be useful but not easy to adapt for general purpose.
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