Computer-Controlled Machine Tool Operators, Metal and Plastic
Operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic work pieces.Number of Jobs in 2010: 604
Number of Jobs in 2020: 700
Yearly Job Growth Rate: 15.9
Annual Openings: 22
Entry Wage: $13.64
Median Wage: $19.82
Education Requirement: High school diploma or equivalent
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- Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
- Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
- Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
- Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.
- Check to ensure that workpieces are properly lubricated and cooled during machine operation.
- Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
- Insert control instructions into machine control units to start operation.
- Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
- Listen to machines during operation to detect sounds such as those made by dull cutting tools or excessive vibration and adjust machines to compensate for problems.
- Remove and replace dull cutting tools.
- Monitor machine operation and control panel displays and compare readings to specifications to detect malfunctions.
- Enter commands or load control media, such as tapes, cards, or disks, into machine controllers to retrieve programmed instructions.
- Modify cutting programs to account for problems encountered during operation and save modified programs.
- Calculate machine speed and feed ratios and the size and position of cuts.
- Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
- Lift workpieces to machines manually or with hoists or cranes.
- Stack or load finished items or place items on conveyor systems.
- Control coolant systems.
- Maintain machines and remove and replace broken or worn machine tools, using hand tools.
- Confer with supervisors or programmers to resolve machine malfunctions or production errors or to obtain approval to continue production.
- Implement changes to machine programs and enter new specifications, using computers.
- Set up future jobs while machines are operating.
- Clean machines, tooling, or parts, using solvents or solutions and rags.
- Input initial part dimensions into machine control panels.
- Write simple programs for computer-controlled machine tools.
- Lay out and mark areas of parts to be shot-peened and fill hoppers with shot.
- Examine electronic components for defects or completeness of laser-beam trimming, using microscopes.
Indivduals currently working as Computer-Controlled Machine Tool Operators, Metal and Plastic can easily transition into any of the occupations lisated below.
- Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic
- Rolling Machine Setters, Operators, and Tenders, Metal and Plastic
- Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic
- Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic
- Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic
- Sawing Machine Setters, Operators, and Tenders, Wood
- Engine and Other Machine Assemblers
- Cutting and Slicing Machine Setters, Operators, and Tenders
- Coating, Painting, and Spraying Machine Setters, Operators, and Tenders
* The occupation mentioned is in demand in the state of Maine, and is projected to employ new workers each year.
Occupational data obtained from the Maine Department of Labor and O*NET
Last updated on January 29, 2013