ABRASIVE GRADER

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  1 - 2 Yr      Mineral and stone processing plant operators      Minning      Minning   
Skills: Operating equipment, Technical    Posted 11 months ago
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Job Description:

    • 1) Operates pebble mill to grind emery, rouge, and other abrasives and separates them according to fineness by water suspension method: Examines abrasive under microscope to determine grinding time required, and grinds abrasive in pebble mill.
    • 2) Turns valve to allow ground particles and water to flow into agitator tank.
    • 3) Presses button to start agitator which stirs particles into suspension.
    • 4) Stops machine and determines by microscopic examination when particles of particular grade have settled below tank outlet.
    • 5) Opens stopcock to allow particles remaining above the outlet to descend into vat.
  • 6) Repeats separation process for other grades, regrinding as required.
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