the ball mill accepts the sag or ag mill product. ball mills give a controlled final grind and produce flotation feed of a uniform size. ball mills tumble iron or steel balls with the ore. the balls are initially 5 10 cm diameter but gradually wear away as grinding of the ore proceeds. the feed to ball mills dry basis is typically 75 vol.-% ore and 25% steel.
the ciw is a small ball mill that’s belt driven, rigid bearing, wet grinding, trunnion or grate discharge type mill with friction clutch pulley and welded steel shell. the 7 and 8 foot diameter mills are of flange ring construction with cut gears while all other sizes have cast tooth gears.
how much you know about ball mills? ball mill is widely used for dry or wet grinding of various ores and other abrasive materials. aileen. ball mill type. the ball mill is the key equipment for grinding after the material is broken. often used for ore dressing. aileen.
rod mills. although rod mill installations are thus restricted in normal practice to the coarse crushing of soft and friable ores, it is sometimes found that the most economical method of grinding an ore of not more than average hardness is to use a rod mill in the primary and a ball mill in the secondary stage.
the discharge port may be covered by a grate to prevent oversized ore exiting the mill, or it may have no grate overflow type ball mill . as the balls wear due to abrasion, they are replaced with