... 4.can work with metal LD 6060 CNC metal mould engraving machine with cover Features:1, using the integral cast iron bed ... guide, Taiwan's high-precision ball screw, with the steel and efficiency3, high-speed engraving and milling water-cooled electric spindle, to ... processing state of demand characteristics, structure, new, three-way ball screw pre-stretch to ensure that life and to maintain the ...