## Ball Mill Design/Power Calculation

2018-4-27 · The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and

## Ball-peen hammer - Wikipedia

2018-4-23 · A ball-peen (also spelled ball-pein) hammer, also known as a machinist's hammer, is a type of peening hammer used in metalworking.It is distinguished from a cross-peen hammer, diagonal-peen hammer, point-peen hammer, or chisel-peen hammer by having a hemispherical head.