1.2.2KW CNC engraving machine 2.600* 600mm working range 3 ... and dis-creased speed, adjusted depth, and previewed engraving path plane and 3D drawing. 4), Advanced file ... 7), Imported Double nut screw, make sure engraving speed. 8), Adopting Taiwan high accuracy linear square guide ... which increases engraving accuracy effectively. 9), Adopting high ...