Dongtai machinery specializing in the production of ultrasonic gem gong engraving machine adopts imported bearings, high-quality motor, long life, easy to heat, steady, after assembling a rigorous commissioning testing, fewer failures during use, good performance, low noise. Changing different tool head can do gem carving, grinding, drilling, polishing, etc., suitable 2.35-6mm tool bar. Gong engraving machine is mainly used for a variety of hand-carved and polished. Input voltage: 220v output power: 180w Operating frequency: 60HZ spindle speed: 18000r / min Weight: 15kg Dimensions: 250mm * 250mm * 300mm