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Wear-resistant steel balls—what are the classifications of steel balls for ball mills?

Wear-resistant steel balls—what are the classifications of steel balls for ball mills?

2010-06-24

Wear-resistant steel balls, as an indispensable component (grinding media) of ball mills, are undoubtedly the largest consumable wear-resistant material in the global comminution industry—both today and for the foreseeable future. In 2008, the mineral processing sector alone in China consumed approximately 2 million tonnes of steel balls made from various materials, while the Chinese cement industry is projected to consume a record-breaking 200,000 tonnes in 2009.

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Steel ball grading for cement mills

Steel ball grading for cement mills

2010-06-24

After the mill has been in operation for a period of time, balls must be replenished every 7 to 10 days, which can lead to a highly disordered ball-size distribution. The longer the mill operates, the more ball sizes are present, making it increasingly difficult to accurately calculate the ball-size distribution. When a small mill is emptied for maintenance, the ball mix can be carefully calculated and the balls sorted by size before being added, ensuring that the resulting size distribution closely matches the calculated values.

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