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Develop and design new tools and dies, using computer-aided design software.
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Conduct test runs with completed tools or dies to ensure that parts meet specifications, making adjustments as necessary.
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Set pyrometer controls of heat-treating furnaces and feed or place parts, tools, or assemblies into furnaces to harden.
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Visualize and compute dimensions, sizes, shapes, and tolerances of assemblies, based on specifications.
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Fit and assemble parts to make, repair, or modify dies, jigs, gauges, and tools, using machine tools, hand tools, or welders.
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Set up and operate conventional or computer numerically controlled machine tools such as lathes, milling machines, or grinders to cut, bore, grind, or otherwise shape parts to prescribed dimensions and finishes.
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Set up and operate drill presses to drill and tap holes in parts for assembly.
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Lift, position, and secure machined parts on surface plates or worktables, using hoists, vises, v-blocks, or angle plates.
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File, grind, shim, and adjust different parts to properly fit them together.
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Measure, mark, and scribe metal or plastic stock to lay out machining, using instruments such as protractors, micrometers, scribes, or rulers.
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Inspect finished dies for smoothness, contour conformity, and defects.
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Select metals to be used from a range of metals and alloys, based on properties such as hardness or heat tolerance.
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Design jigs, fixtures, and templates for use as work aids in the fabrication of parts or products.
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Cut, shape, and trim blanks or blocks to specified lengths or shapes, using power saws, power shears, rules, and hand tools.
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Verify dimensions, alignments, and clearances of finished parts for conformance to specifications, using measuring instruments such as calipers, gauge blocks, micrometers, or dial indicators.
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Study blueprints, sketches, models, or specifications to plan sequences of operations for fabricating tools, dies, or assemblies.
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Smooth and polish flat and contoured surfaces of parts or tools, using scrapers, abrasive stones, files, emery cloths, or power grinders.