... scan head 2.High accuracy 3.No need consumptive material 4.Low maintenance 5.Air cooling system High technical ... saving you precious time.4 Air-cooling, no need consumptive material, free maintenance within five years , low-cost use. Small ... 1200mmCooling systemAir coolingApplicable material:Metals and a variety of non-metallic materials Hard alloys, oxides, plating, coating, ABS, epoxy resin, ink, ...