... frame -high speed spindle -high positioning accuracy High quality cnc milling machine 1.5kw for metalProduct features: With 300mm* 300mm engraving range ... the screw nut, and the balls rolling fast when the machine working. For the coefficient of rolling friction is smaller, ... various of materials, such as: wood, stone, jade, acrylic, metal, ceramics, etc. Platform materialAnd we offer all kinds of CNC ...