Tubular Ball Mills | Henan Deya Machinery Co., Ltd.
For softer ores, ceramic balls (90% Al2O3) may be used. Their bulk density is around 2200 kg/m3. 3. Operation of Tubular Ball Mills. Tubular ball mills ride on steel tyres or are supported at both ends by trunnions. Girth gears bolted to the shell drive the mill through a pinion shaft from a prime mover drive.
