... and will not deform2) Imported ball screw rod and round guide rail to ensure accuracy3) Subdivision stepper motor with excellent performance, quick ... water-cooling large power motor, low noise, even speed5) Humanistic design, the machine can be disassembled, so it is easily transported6 ... ballscrew for x,y,z axisXYZ Guide rail X,Y,Z Round shaft Option: Square linear rail for X,Y,ZMotion positioning ...