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       CODE: 509.382-014 Buy the DOT:Download/CD-ROM
TITLE(s): DENTAL-AMALGAM PROCESSOR (nonfer. metal) alternate titles: special-machine operator
Operates machines to process dental-amalgam and tests amalgam with interferometer: Anneals ingot
of tin, copper, and silver to obtain specified molecular characteristics [ANNEALER (heat treating)].
Cuts ingot into chips of uniform size, using engine lathe. Pours chips into hopper of grinder and
starts machine to grind chips into microgranules of specified size. Loads granules into elutriator
and turns valve to regulate flow of water that forces granules through sieves to separate granules,
according to size. Loads moist granules in drying machine or oven. Mixes specimen quantity of alloy
with mercury, using amalgamator machine or mortar and pestle, and packs mixture into mold. Removes
amalgam from mold and places amalgam between glass panels of instrument. Counts black bands
appearing within circle of instrument and informs supervisor of number of bands.
GOE: 06.02.09 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77
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