Computer-Controlled Machine Tool Operators, Metal and Plastic Go Back to List Operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic work pieces.

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.

Skills
	Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.
	Monitoring - Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
	Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
	Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
	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.
	Active Listening - Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
	Troubleshooting - Determining causes of operating errors and deciding what to do about it.
	Judgment and Decision Making - Considering the relative costs and benefits of potential actions to choose the most appropriate one.

Knowledge
	Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
	Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
	Design - Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
	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.
	Engineering and Technology - Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
	English Language - Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
	Physics - Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub- atomic structures and processes.
	Chemistry - Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal m
	Education and Training - Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

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Education & Training   Education:   Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.   Related Experience:   Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

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	Some of the occupational information on this page is formulated from O*NETTM v17.0 data. O*NETTM is a trademark of the U.S. Department of Labor, Employment and Training Administration.