... cnc router/engraver : 1.servo motor 2.DSP Control system 3.1500W variable speed,water-cooled Jk-3030 mould cnc router ... on wax, copper, aluminum, stainless steel and wood, plastic, rubber ,foam and so on material for sealing stamp.Machine features:1 ... ensure high stability. Three axes all adopt linear square rail.3.Memory to ensure the processing point when the blade is broken ...