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Introduction and applications of grinding steel balls Posted: 2014-9-11 10:50:55 been accessed 24 times ????? ????? [print] [back] describes grinding steel balls and its applications ???? grinding steel balls (grinding ball), it is a method for ball mill grinding media mill for grinding material. Grinding steel balls are divided into three types: one is casting steel balls, by its very nature, some scrap metal, scrap, into some of the alloying elements cast into the water after, often appear slag, blisters, porosity, shrinkage, shrinkage , cold shuts and other casting defects; one is forging steel ball, forging ball is the first ball mill, pre because of low level of mechanization, low quality of raw materials, product quality is difficult to control, was not widely used in the market. With technological change and process upgrading late, forged ball gradually recognized by the market, especially in the foreign large-scale mining beneficiation use of forged steel ball; a rolling ball, compared with cast ball, forging ball, rolling ball is a a totally new production processes, especially developed by our company, consistent surface hardness of hot-rolled steel ball production and core hardness, good wear resistance; good toughness, impact value is high, does not crack, not broken; ball hardness gradient (inside and outside hardness distribution) uniform, no distortion, without losing a round; the impact of abrasive resistance, high grinding efficiency; less surface defects, roundness; low product prices, cost-effective user actually uses economic and reasonable. ???? Grinding steel balls are widely used in metallurgy, mining, cement, power generation, flue gas desulfurization, magnetic materials, chemicals, coal slurry, pellets, slag, superfine powder, fly ash, calcium carbonate, quartz sand ball mill and other industries.