Numerical Control Machine Operator

Competency-based occupation
Onet code: 51-9161.00

2

Years

36

Skills

1904h

Related instruction
Classroom Instruction Topics
  • College Student Success
  • Print Reading
  • Intro to Computers
  • Machining Technology I
  • Intro to CNC
  • Algebra & Trigonometry I
  • Writing and Inquiry OR Freshman Composition
  • Machining Technology II
  • CNC Milling
  • Machining Calculations
  • Intro to CAD/CAM
  • Machining Technology III
  • CNC Turning
  • Prof Research and Reporting OR Oral Communication
  • Advanced Machining
  • Machining Tech IV
  • Advanced CNC Turning
  • Comp-Aided Manufacturing
  • Humanities/Fine Arts Elective
  • Industrial Safety
  • Advanced CNC Milling
  • Industrial Robots
  • Social Science Elective
On-the-job Training
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
    • Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
  • Install mechanical components in production equipment.
    • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
  • Mount attachments or tools onto production equipment.
    • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
  • Mount materials or workpieces onto production equipment.
    • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
  • Enter commands, instructions, or specifications into equipment.
    • Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.
    • Insert control instructions into machine control units to start operation.
    • Enter commands or load control media, such as tapes, cards, or disks, into machine controllers to retrieve programmed instructions.
    • Implement changes to machine programs, and enter new specifications, using computers.
    • Input initial part dimensions into machine control panels.
  • Remove products or workpieces from production equipment.
    • Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
  • Program equipment to perform production tasks.
    • Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
    • Modify cutting programs to account for problems encountered during operation, and save modified programs.
    • Implement changes to machine programs, and enter new specifications, using computers.
    • Set up future jobs while machines are operating.
    • Write simple programs for computer-controlled machine tools.
  • Monitor lubrication of equipment or workpieces.
    • Check to ensure that workpieces are properly lubricated and cooled during machine operation.
  • Study blueprints or other instructions to determine equipment setup requirements.
    • Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
  • Replace worn equipment components.
    • Remove and replace dull cutting tools.
    • Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
    • Maintain machines and remove and replace broken or worn machine tools, using hand tools.
  • Remove accessories, tools, or other parts from equipment.
    • Remove and replace dull cutting tools.
    • Maintain machines and remove and replace broken or worn machine tools, using hand tools.
  • Monitor equipment operation to ensure proper functioning.
    • Monitor machine operation and control panel displays, and compare readings to specifications to detect malfunctions.
  • Watch operating equipment to detect malfunctions.
    • 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.
  • Adjust equipment controls to regulate flow of production materials or products.
    • Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
  • Calculate specific material, equipment, or labor requirements for production.
    • Calculate machine speed and feed ratios and the size and position of cuts.
  • Lift materials or workpieces using cranes or other lifting equipment.
    • Lift workpieces to machines manually or with hoists or cranes.
  • Set equipment controls to meet cutting specifications.
    • Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
  • Stack finished items for further processing or shipment.
    • Stack or load finished items, or place items on conveyor systems.
  • Adjust equipment controls to regulate coolant flow.
    • Control coolant systems.
  • Maintain production or processing equipment.
    • Maintain machines and remove and replace broken or worn machine tools, using hand tools.
  • Confer with others to resolve production problems or equipment malfunctions.
    • Confer with supervisors or programmers to resolve machine malfunctions or production errors or to obtain approval to continue production.
  • Clean production equipment.
    • Clean machines, tooling, or parts, using solvents or solutions and rags.
  • Draw guide lines or markings on materials or workpieces using patterns or other references.
    • Lay out and mark areas of parts to be shot peened and fill hoppers with shot.
  • Load materials into production equipment.
    • Lay out and mark areas of parts to be shot peened and fill hoppers with shot.
  • Test electrical equipment or systems to ensure proper functioning.
    • Examine electronic components for defects or completeness of laser-beam trimming, using microscopes.
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