Computer-Controlled Machine Tool Operators, Metal and Plastic

OCCUPATION DESCRIPTION

Operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic work pieces.

SKILLS & REQUIRED SKILL LEVELS
Core Skill Levels Required:
  • Critical Thinking: 4
  • Operation Monitoring: 4
  • Monitoring: 3.88
  • Operation and Control: 3.75
  • Quality Control Analysis: 3.75
  • Reading Comprehension: 3.62
  • Active Listening: 3.25
  • Troubleshooting: 3.25
Supplemental Skill Levels Required:
  • Equipment Maintenance: 3.12
  • Equipment Selection: 3.12
  • Active Learning: 3.12
  • Learning Strategies: 3
  • Complex Problem Solving: 3
  • Speaking: 3
  • Judgment and Decision Making: 3
  • Time Management: 3
  • Instructing: 3
  • Repairing: 3
  • Systems Analysis: 2.88
  • Mathematics: 2.88
  • Coordination: 2.88
  • Writing: 2.88
  • Systems Evaluation: 2.88
  • Social Perceptiveness: 2.75
  • Programming: 2.62
  • Persuasion: 2.5
  • Operations Analysis: 2.38
  • Management of Personnel Resources: 2.38
  • Service Orientation: 2.12
  • Negotiation: 2.12
  • Installation: 2
  • Technology Design: 1.88
  • Science: 1.5
  • Management of Material Resources: 1.5
  • Management of Financial Resources: 1.12
CORE TASKS
  • Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
  • Remove and replace dull cutting tools.
  • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
  • 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 machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
  • Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
  • Lift workpieces to machines manually or with hoists or cranes.
  • 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.
  • Insert control instructions into machine control units to start operation.
  • 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.
  • Confer with supervisors or programmers to resolve machine malfunctions or production errors or to obtain approval to continue production.
  • Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
  • Monitor machine operation and control panel displays, and compare readings to specifications to detect malfunctions.
  • Control coolant systems.
  • Maintain machines and remove and replace broken or worn machine tools, using hand tools.
  • Stack or load finished items, or place items on conveyor systems.
  • Clean machines, tooling, or parts, using solvents or solutions and rags.
  • Enter commands or load control media, such as tapes, cards, or disks, into machine controllers to retrieve programmed instructions.
  • Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.
  • Set up future jobs while machines are operating.
  • Implement changes to machine programs, and enter new specifications, using computers.

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