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    • Grinding Media

    Grinding Media

    Foundry Equipment

    Mintek have provided various services to grinding media manufacturer and mining industry for more than 40 years. The objective is to check the production process and conduct quality control (QC) test work of the grinding balls supplied to Gold, Copper, Platinum mines and Eskom.

    Specialized Offering on Grinding Balls

    • Grinding media design and production
    • Technical visit to industry to perform Quality Control (QC) on grinding media and process on how to improve the quality of the balls
    • A customized course work on the quality control of the grinding media

    Quality Control Programs - QC/QA

    • Inspection of shipments
    • Manufacturer QC reports
    • Performance monitoring e.g. grinding media
      • Mill change inspection
      • Heat treatment plants and processes
    • Independent third-party verification (SANAS 17025)
      • Chemistry - OES, Leco
      • Hardness - Vickers, Brinell, Rockwell, Micro Vickers
      • Microstructure - Optical microscopes, X-ray diffraction, HRSEM, Image analyses
      • Abrasion Wear Test in the Laboratory Ball Mill
      • Impact/Drop testing - Drop tester (from a 3.4m height onto steel anvil)
      • Pin on Belt Abrasion Testing (POB) - High Stress Abrasion Test
      • Marked ball tests in-situ (MBT)