It is used to determine the surface stability of various types (cores) of sand.
1.1 Drum screen diameter: Φ 178mm;
1.2 Mesh size: 2.36 × 2.36mm;
1.3 Drum screen speed: 60r/min;
1.4 Angle between the axis line of the drum screen and the horizontal line: 7 °;
1.5 Working power supply: 220V, 50Hz;