About This Career

Operates computer-controlled tools, machines, or robots to machine or process parts, tools, or other work pieces made of metal, plastic, wood, stone, or other materials. May also set up and maintain equipment.

This career is part of the Energy cluster.

A person in this career:

• Measures dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
• Sets up and operates computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
• Mounts, installs, aligns, and secures tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
• Reviews program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
• Stops machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
• Implements changes to machine programs, and enters new specifications, using computers.
• Listens to machines during operation to detect sounds such as those made by dull cutting tools or excessive vibration, and adjusts machines to compensate for problems.
• Calculates machine speed and feed ratios and the size and position of cuts.
• Transfers commands from servers to computer numerical control (CNC) modules, using computer network links.
• Removes and replaces dull cutting tools.

Working Conditions and Physical Demands

People who do this job report that:

• You would often handle loads up to 20 lbs., sometimes up to 50 lbs. You might do a lot of lifting, carrying, pushing or pulling.
• Work in this occupation involves use of protective items such as safety shoes, glasses, gloves, hearing protection, a hard hat, or personal flotation devices
• Exposure to pollutants, gases, dust, fumes, odors, poor ventilation, etc.
• Work in this occupation involves using your hands to hold, control, and feel objects more than one-third of the time
• Exposed to hazardous equipment such as saws, machinery, or vehicular traffic more than once a month
• Work in this occupation requires being inside most of the time
• Sound and noise levels are loud and distracting
• Work in this occupation involves standing more than one-third of the time

Working in this career involves (physical activities):

• Picking out a particular sound in the presence of other sounds
• Identifying color and seeing differences in color, including shades and brightness
• Judging how far away an object is, or which of several objects is closer or farther away
• Detecting sounds and hearing the differences between sounds of different pitch and loudness
• Seeing clearly up close
• Speaking clearly enough to be able to be understood by others
• Identifying and understanding the speech of another person
• Using abdominal and lower back muscles repeatedly or over time without tiring

Work Hours and Travel

• Overnight travel
• Regular working hours and limited travel