... , copper, iron, plastic, stone sculpture processing, category carved glass-cutting and engraving melting materialTechnical Parameter Model SD-1224 stone cnc ... structure aluminiumX-Y-Z structure ballscrew for z axis, gear-wheel for x,y axis,Self-consuming Power 1.3kwSpindle power ... .all square orbits,3.ballscrew drive for z axis, gear-wheel drive for x and y axis,4.DSP/Mach3 system ...