... Gear wheel transmissionD.No dust oiling structureMarble CNC Engraver Features:A. The bearing of the lead ... spindle:0-24000rpm/min7.Working model:SteperMarble CNC Engraver Configuration:1. Whole steel structure, Bearing heavy, ... softwareIn addition, we have woodworking engraver, relief engraver, cylinder craft wood engraver, special mould engraver, stone engraver, advertising machines, laser engraving/ ...