small cnc engraver ULI S series cnc router is one of top sales in China, including S3, S8, S9, S12, S18. small cnc engraverTechnical parameters: ModelPerformanceS3Working area(x,y,z)300*250*60mmWorking table(x,y,z)320*300*80mmSpindle motor800W inverter-driven water-cooledGuidewayRound guidewayDrive motorsStep motorTransmissionBall screwWorking voltageAC220V±10%/50HzSpindle Rotary Speed (RPM)30000 ...