... 4.Yaskawa Servo Motor CM-6050 CNC Gold Engraving Machine Features:1.The whole machine adopt cast-iron, gantry structure.2,X,Y ... adopt Hin linear square guide rails and TBI ballscrew. 3,High speed engraving and milling water-cooled electrical spindle, can engrave,cut ... and so on.Artcraft:It can engrave all kinds of high hardness materials such as artificial stone,jade,copper,pendant,gold ...