605.380-010 - MILLING-MACHINE SET-UP OPERATOR, NUMERICAL CONTROL (machine shop) - DOT Dictionary of Occupational Titles Job Description

CODE: 605.380-010

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TITLE(s): MILLING-MACHINE SET-UP OPERATOR, NUMERICAL CONTROL (machine shop)

Sets up and operates multiaxis numerical-control milling machine to mill surfaces of metallic and nonmetallic workpieces according to specifications and tooling instructions, applying knowledge of machining methods: Threads perforated or magnetic tape through read-head in control console, or enters commands into control panel, to retrieve preprogrammed machine data from mainframe computer. Inserts precision indicator in machine spindle, and depresses switches to jog spindle into contact with workpiece, synchronize tape and tool, and record setup point. Retracts spindle and loads and secures first preset tool and holder. Starts machine and observes cutting operation. Compares numerical data display with specifications on operations sheet. Assembles and presets tooling for next operation during automated cycle to reduce machine downtime. Replaces milling tools with drilling and boring tools at specified change points to reduce or eliminate subsequent machining of workpiece on another machine. May operate machine on preliminary dry run before machining first part to detect errors in tape or computer program. May be designated according to make, trademark, or configuration of machine, characteristics of control system, or type of product as Contour-Path Tape-Mill Operator (machine shop); Planer-Type Milling-Machine Operator, Numerical Control (machine shop); Profile-Mill Operator, Tape Control (machine shop); Tape Control Skin-or-Spar-Mill Operator (machine shop); Tape Keller Operator (machine shop).
GOE: 06.01.03 STRENGTH: M GED: R3 M3 L3 SVP: 6 DLU: 87
ONET CROSSWALK: 91502 Numerical Control Machine Tool Operators and Tenders, Metal and Plastic

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CODE: 605.380-010 Buy the DOT: Download
TITLE(s): MILLING-MACHINE SET-UP OPERATOR, NUMERICAL CONTROL (machine shop)

Sets up and operates multiaxis numerical-control milling machine to mill surfaces of metallic and nonmetallic workpieces according to specifications and tooling instructions, applying knowledge of machining methods: Threads perforated or magnetic tape through read-head in control console, or enters commands into control panel, to retrieve preprogrammed machine data from mainframe computer. Inserts precision indicator in machine spindle, and depresses switches to jog spindle into contact with workpiece, synchronize tape and tool, and record setup point. Retracts spindle and loads and secures first preset tool and holder. Starts machine and observes cutting operation. Compares numerical data display with specifications on operations sheet. Assembles and presets tooling for next operation during automated cycle to reduce machine downtime. Replaces milling tools with drilling and boring tools at specified change points to reduce or eliminate subsequent machining of workpiece on another machine. May operate machine on preliminary dry run before machining first part to detect errors in tape or computer program. May be designated according to make, trademark, or configuration of machine, characteristics of control system, or type of product as Contour-Path Tape-Mill Operator (machine shop); Planer-Type Milling-Machine Operator, Numerical Control (machine shop); Profile-Mill Operator, Tape Control (machine shop); Tape Control Skin-or-Spar-Mill Operator (machine shop); Tape Keller Operator (machine shop).
GOE: 06.01.03 STRENGTH: M GED: R3 M3 L3 SVP: 6 DLU: 87
ONET CROSSWALK: 91502 Numerical Control Machine Tool Operators and Tenders, Metal and Plastic