Job Description:

• 1) Operates previously set up drilling machines, such as single- or multiple-spindle drill presses to drill, ream, countersink, spot face, or tap holes in metal or nonmetal workpieces according to specifications: Lifts workpiece manually or with hoist, and positions and secures it on machine table in drilling jig or holding fixture.

• 2) Moves machine controls to feed tools into workpiece, and engages automatic feed.

• 3) Observes machine operation, and verifies conformance of drilled workpiece to specifications, using fixed gauges, calipers, and micrometers.

• 4) Changes worn cutting tools, using wrenches.

• 5) Moves controls to adjust cutting speeds, feed rates, and depth of cut.

• 6) May assist MACHINE SETTER in setting up machine.

• 7) May sharpen cutting tools, using bench grinder.

• 8) May perform minor assembly, such as fastening parts with nuts, bolts, and screws, using power tools and handtools.

• 9) May be designated according to product as Barrel Reamer; or function of machine as Reamer Operator; Tapper Operator.