Operate mills equipped with grinding stones to grind paints.
What does a Stone Mill Operator do?
Operates mills equipped with grinding stones to grind paint or paint ingredients to specified fineness: Weighs ingredients, such as pigments and oil on scale and dumps them into feed hopper of mill. Starts mill and turns valve to admit steam into mill jacket to heat ingredients. Feels or examines mixture to determine fineness of grind. Turns screws to set clearance between grinding stones to grind ingredients to specified fineness. Opens valve or starts pump to transfer mixture into cooling and storage tanks. Cleans millstones, hoppers, and scrapers, using hot water hose, solvent, and brushes. Replaces worn grinding stones, using handtools and hoist.