Computer-Controlled Machine Tool Operators, Metal and Plastic

Description

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 in order 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.
  • Input initial part dimensions into machine control panels.
  • 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 and production errors, and 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 in order 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, and parts, using solvents or solutions and rags.
  • Enter commands or load control media such as tapes, cards, or disks into machine controllers in order to retrieve programmed instructions.
  • Transfer commands from servers to computer numerical control (CNC) control modules, using computer network links.
  • Set up future jobs while machines are operating.
  • Implement changes to machine programs, and enter new specifications, using computers.
  • Write simple programs for computer-controlled machine tools.
  • Examine electronic components for defects and completeness of laser-beam trimming, using microscopes.
  • Lay out and mark areas of parts to be shot-peened, and fill hoppers with shot.

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.
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.
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.
Administration and Management — Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.
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.
Design — Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
English Language — Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.

Skills

Operation Monitoring — Watching gauges, dials, or other indicators to make sure a machine is working properly.
Operation and Control — Controlling operations of equipment or systems.
Quality Control Analysis — Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
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.
Mathematics — Using mathematics to solve problems.
Instructing — Teaching others how to do something.
Troubleshooting — Determining causes of operating errors and deciding what to do about it.
Equipment Maintenance — Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.
Active Learning — Understanding the implications of new information for both current and future problem-solving and decision-making.
Learning Strategies — Selecting and using training/instructional methods and procedures appropriate for the situation when learning or teaching new things.

Abilities

Problem Sensitivity — The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
Hearing Sensitivity — The ability to detect or tell the differences between sounds that vary in pitch and loudness.
Reaction Time — The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears.
Auditory Attention — The ability to focus on a single source of sound in the presence of other distracting sounds.
Arm-Hand Steadiness — The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
Near Vision — The ability to see details at close range (within a few feet of the observer).
Control Precision — The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
Selective Attention — The ability to concentrate on a task over a period of time without being distracted.
Information Ordering — The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).
Rate Control — The ability to time your movements or the movement of a piece of equipment in anticipation of changes in the speed and/or direction of a moving object or scene.

Work Activities

Controlling Machines and Processes — Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).
Inspecting Equipment, Structures, or Material — Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects.
Getting Information — Observing, receiving, and otherwise obtaining information from all relevant sources.
Identifying Objects, Actions, and Events — Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.
Making Decisions and Solving Problems — Analyzing information and evaluating results to choose the best solution and solve problems.
Monitor Processes, Materials, or Surroundings — Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems.
Communicating with Supervisors, Peers, or Subordinates — Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person.
Handling and Moving Objects — Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things.
Evaluating Information to Determine Compliance with Standards — Using relevant information and individual judgment to determine whether events or processes comply with laws, regulations, or standards.
Operating Vehicles, Mechanized Devices, or Equipment — Running, maneuvering, navigating, or driving vehicles or mechanized equipment, such as forklifts, passenger vehicles, aircraft, or water craft.

Work Context

Wear Common Protective or Safety Equipment such as Safety Shoes, Glasses, Gloves, Hearing Protection, Hard Hats, or Life Jackets — How much does this job require wearing common protective or safety equipment such as safety shoes, glasses, gloves, hard hats or life jackets?
Spend Time Standing — How much does this job require standing?
Importance of Being Exact or Accurate — How important is being very exact or highly accurate in performing this job?
Exposed to Contaminants — How often does this job require working exposed to contaminants (such as pollutants, gases, dust or odors)?
Frequency of Decision Making — How frequently is the worker required to make decisions that affect other people, the financial resources, and/or the image and reputation of the organization?
Exposed to Hazardous Equipment — How often does this job require exposure to hazardous equipment?
Sounds, Noise Levels Are Distracting or Uncomfortable — How often does this job require working exposed to sounds and noise levels that are distracting or uncomfortable?
Spend Time Using Your Hands to Handle, Control, or Feel Objects, Tools, or Controls — How much does this job require using your hands to handle, control, or feel objects, tools or controls?
Importance of Repeating Same Tasks — How important is repeating the same physical activities (e.g., key entry) or mental activities (e.g., checking entries in a ledger) over and over, without stopping, to performing this job?
Face-to-Face Discussions — How often do you have to have face-to-face discussions with individuals or teams in this job?

Interests

Realistic — Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
Conventional — Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.
Investigative — Investigative occupations frequently involve working with ideas, and require an extensive amount of thinking. These occupations can involve searching for facts and figuring out problems mentally.
Enterprising — Enterprising occupations frequently involve starting up and carrying out projects. These occupations can involve leading people and making many decisions. Sometimes they require risk taking and often deal with business.
Artistic — Artistic occupations frequently involve working with forms, designs and patterns. They often require self-expression and the work can be done without following a clear set of rules.
Social — Social occupations frequently involve working with, communicating with, and teaching people. These occupations often involve helping or providing service to others.

Work Style

Attention to Detail — Job requires being careful about detail and thorough in completing work tasks.
Dependability — Job requires being reliable, responsible, and dependable, and fulfilling obligations.
Cooperation — Job requires being pleasant with others on the job and displaying a good-natured, cooperative attitude.
Self Control — Job requires maintaining composure, keeping emotions in check, controlling anger, and avoiding aggressive behavior, even in very difficult situations.
Independence — Job requires developing one's own ways of doing things, guiding oneself with little or no supervision, and depending on oneself to get things done.
Initiative — Job requires a willingness to take on responsibilities and challenges.
Concern for Others — Job requires being sensitive to others' needs and feelings and being understanding and helpful on the job.
Adaptability/Flexibility — Job requires being open to change (positive or negative) and to considerable variety in the workplace.
Analytical Thinking — Job requires analyzing information and using logic to address work-related issues and problems.
Achievement/Effort — Job requires establishing and maintaining personally challenging achievement goals and exerting effort toward mastering tasks.

Work Values

Support — Occupations that satisfy this work value offer supportive management that stands behind employees. Corresponding needs are Company Policies, Supervision: Human Relations and Supervision: Technical.
Independence — Occupations that satisfy this work value allow employs to work on their own and make decisions. Corresponding needs are Creativity, Responsibility and Autonomy.
Working Conditions — Occupations that satisfy this work value offer job security and good working conditions. Corresponding needs are Activity, Compensation, Independence, Security, Variety and Working Conditions.
Relationships — Occupations that satisfy this work value allow employees to provide service to others and work with co-workers in a friendly non-competitive environment. Corresponding needs are Co-workers, Moral Values and Social Service.
Achievement — Occupations that satisfy this work value are results oriented and allow employees to use their strongest abilities, giving them a feeling of accomplishment. Corresponding needs are Ability Utilization and Achievement.
Recognition — Occupations that satisfy this work value offer advancement, potential for leadership, and are often considered prestigious. Corresponding needs are Advancement, Authority, Recognition and Social Status.

Related Occupations

Lay Titles

National Wages and Employment Info


Median Wages (2008): $16.03 hourly, $33,330 annual.
Employment (2008): 143,030 employees