K988C Mould Polishing Machine Technical parameters: 1)Power Supply:220V;Power:50W 2)Max. ... . Maximal amplitude is 50 um, high speed. Brute force and stable grinding work piece surface can ensure that the implement is in ... machine has high-performance, long life span, high-accuracy vibration function, high speed, maximal amplitude 45 um, brute force but stable grinding ...