Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic

Set up, operate, or tend milling or planing machines to mill, plane, shape, groove, or profile metal or plastic work pieces.

Job Task

• Selects cutting speed, feed rate, and depth of cut, applying knowledge of metal properties and shop mathematics.
• Moves cutter or material manually or by turning handwheel, or engages automatic feeding mechanism to mill workpiece to specifications.
• Studies blueprint, layout, sketch, or other specifications to determine materials needed, sequence of operations, dimensions, and tooling instructions.
• Records production output.
• Selects and installs cutting tool, stylus, and other accessories according to specifications, using hand tools or power tools.
• Moves controls to set cutting specifications, position cutting tool and workpiece in relation to each other, and start machine.
• Observes machine operation and adjusts controls to ensure conformance with specified tolerances.
• Turns valve to begin and regulate the flow of coolant on work area.
• Verifies alignment of workpiece on machine, using measuring instruments, such as rules, gauges, or calipers.
• Makes templates or cutting tools.
• Sharpens dull tools, using bench grinder.
• Replaces worn tools, using hand tools.
• Mounts attachments and other tools, such as pantograph, engraver, or router, to perform other operations, such as drilling or boring.
• Removes workpiece and template or model from machine.
• Verifies conformance of finished workpiece to specifications, using measuring instruments, such as microscopes, gauges, calipers, and micrometers.
• Positions and secures workpiece on machine, using holding devices, measuring instruments, hand tools, and hoists.
• Computes dimensions, tolerances, and angles, of workpiece or machine according to specifications and knowledge of metal properties and shop mathematics.

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