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I'm trying to do some research on a project that I'd like to work on. My problem is that I am doing a terrible job googling, because I don't know what this technology is called.
Once I know what it's called, I feel like finding systems I can buy, or build, will be much more simple.
That is called a gantry robot.
By the word "tracks" I would assume you meant the guide rails on which the 3D printers extruder is placed on.The rods which support the movement of the extruder are smooth linear shafts.
They are connected to a servo motors.Hope this helps....
Your picture is of linear bearings on what looks to me to be stainless steel shafting. You can also use guide rails, which use a more specialized shaft than just a rod.
