Computer-Controlled Machine Tool Operators, Metal and Plastic

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This occupation is part of the Production cluster

About the Job

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

It is also Called

  • Automated Cutting Machine Operator
  • Automation Machine Operator
  • Brake Press Operator
  • CNC Laser Operator (Computer Numerical Control Laser Operator)
  • CNC Machine Operator (Computer Numerically Controlled Machine Operator)
  • CNC Machinist (Computer Numerically Controlled Machinist)
  • CNC Operator (Computer Numeric Control Operator)
  • Computer Numerical Control Lathe Operator (CNC Lathe Operator)
  • Computer Numerical Control Machine Operator (CNC Machine Operator)
  • Computer Numerical Control Machinist (CNC Machinist)

What They Do

  • 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.

Interests

People who work in this occupation generally have the interest code: RC.

This means people who work in this occupation generally have Realistic interests, but also prefer Conventional environments.

Work Values

People who work in this occupation generally prize Support, but also value Independence and Working Conditions in their jobs.

Things They Need to Know

  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
  • Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
  • Production and Processing - Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
  • Computers and Electronics - Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
  • Customer and Personal Service - Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

Things They Need to Be Able to Do

  • Monitoring - Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
  • Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.
  • Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
  • Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
  • Operation and Control - Controlling operations of equipment or systems.
  • Reading Comprehension - Understanding written sentences and paragraphs in work related documents.
  • Complex Problem Solving - Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions.


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