... V8 CE cutting machine Steel structure, square orbit, ballscrew for z axis, gear-wheel for x axis and y axis, 4. ... and two motors for Y axisv Germany imported ball screw for Z axis , imported wheel gear , square orbit for X Y axises ... thickness of wood plate is so . Note : square orbit , round orbit , about the price is very different ... transducer , low noise , long life span , low maintenance cost .