... performance.4.This machine adopt high precision rack and pinion transmission and Hiwin linear square guide way ensure ... , sandstone, travertine, quartzite, slate, grindstone,jade,crystal, aluminum, copper,etc. DescriptionParameterX,Y Working Area1300*2500mmZ Working Area140mmResolution+ ... rolling ball screw, Hiwin square guide railMax. Idling Speed25m/minSpindle3.0KW/4.5KW/6.0KW/8.0KWSpindle ...