Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and PlasticSet up, operate, or tend drilling machines to drill, bore, ream, mill, or countersink metal or plastic work pieces. Job Task- Operates single- or multiple-spindle drill press to bore holes to perform machining operations on metal, nonmetallic, or plastic workpieces.
- Installs tool in spindle.
- Selects cutting tool according to instructions and knowledge of metal properties.
- Positions and secures workpiece on table with bolts, jigs, clamps, shims, or other holding devices, using machining hand tools.
- Lays out reference lines and machining locations on work, applying knowledge of shop math and layout techniques, using layout tools.
- Studies machining instructions to determine dimensional and finish specifications, sequence of operation, setup, and tooling requirements.
- Operates tracing attachment to duplicate contours from templates or models.
- Lifts workpiece either manually or with hoist onto machine table, or directs crane operator to lift and position workpiece.
- Verifies conformance of machined work to specifications, using measuring instruments, such as calipers, micrometers, and fixed and telescoping gauges.
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