... convenient operations, easy maintenance and repair, high productivity. 2. Main Technical Parameters: (1)Production efficiency: 60~120 pieces/minute(2)Grids ... )*(90-170)*(1.1-4.0) mm3. Structure and Technical features:3.1 The bearings of the equipment adopt the concentrated ... the main body, and water and acid pouring device with features of compact structure, good rigidity, easy and flexible adjustment. ...