motion so that the bead stays a constant width.". The x-y gantry is positioned by NEMA 34
brushless servo
motors. For the filament feeding and extrusion, Stratasys uses brushed servo
motors from MICROMO. It's a demanding application. The high-speed moves made by the gantry dictate that the extrusion
motor be compact and lightweight. In addition, the
motors need to supply high acceleration, along with the flexibility to handle up to 25 different types of plastic, ranging from stiff and brittle...
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