... .ball screw 3.stepper motor 4.high precision rotary device for advertising engraving machine ZK-1224Introduction: 1.the whole lathe bed ... .2KW water cooling spindle, low noise, more powerful6.Linear round guide rail for X Y Z-axis, higher precision and longer life ... collector, helping to suck the dust, milling dust, rotary axis for cylindrical materials, DSP offline control system, when working no need ...