... grinding machine 1, Thickness: Full scale 0.8 - 2.0mm 2, Material width: 1250mm 3, Material length: 1800mm-4000mm Vibration grinding ... drive box with frequency control.3. Grinding head device: 1, 8 grinding header: diameter 240mm. 2, ... Drive mode: motor drive (frequency control). 3, Adjustment method: Electrically adjustable screw turbo box Vibration grinding machine ...