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 […]
Job Description: 1) Tends hydraulic press that molds synthetic abrasive disks, hones, and grinding wheels: Selects mold parts according to size and thickness of wheel desired, and assembles parts to form mold. 2) Weighs out specified amounts of abrasive compound and adhesive or activates automatic hopper that dumps specified quantity of abrasive mix into pan,
ABRASIVE-WHEEL MOLDER Read More »
Job Description: 1) Performs following tasks on board ship to watch for obstructions in vessel’s path and to maintain equipment and structures: Stands watch at bow or on wing of bridge to look for obstructions in path of vessel. 2) Measures depth of water in shallow or unfamiliar waters, using leadline, and telephones or shouts