Case Studies, Gold, Technology

Case study: Forged and high chrome cast grinding media

An Australian gold mining site with a two-stage ball mill circuit undertook a marked ball wear test in February–March 2023 with both forged and high chrome cast grinding media.

Balls with diameters ranging from 90–105mm were tested over 517 mill operating hours.

The results showed that Molycop’s 18 per cent Cr high chrome cast ball provided a two per cent lower wear rate than the next-best competitor product.

Molycop’s 105mm NG ball also performed exceptionally well, with an improvement on the incumbent product by 17 per cent.

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