Machinists

Description

Set up and operate a variety of machine tools to produce precision parts and instruments. Includes precision instrument makers who fabricate, modify, or repair mechanical instruments. May also fabricate and modify parts to make or repair machine tools or maintain industrial machines, applying knowledge of mechanics, shop mathematics, metal properties, layout, and machining procedures.

Tasks

  • Calculate dimensions and tolerances using knowledge of mathematics and instruments such as micrometers and vernier calipers.
  • Align and secure holding fixtures, cutting tools, attachments, accessories, and materials onto machines.
  • Select the appropriate tools, machines, and materials to be used in preparation of machinery work.
  • Monitor the feed and speed of machines during the machining process.
  • Machine parts to specifications using machine tools such as lathes, milling machines, shapers, or grinders.
  • Set up, adjust, and operate all of the basic machine tools and many specialized or advanced variation tools to perform precision machining operations.
  • Measure, examine, and test completed units to detect defects and ensure conformance to specifications, using precision instruments such as micrometers.
  • Set controls to regulate machining, or enter commands to retrieve, input, or edit computerized machine control media.
  • Position and fasten work pieces.
  • Maintain industrial machines, applying knowledge of mechanics, shop mathematics, metal properties, layout, and machining procedures.
  • Observe and listen to operating machines or equipment to diagnose machine malfunctions and to determine need for adjustments or repairs.
  • Check work pieces to ensure that they are properly lubricated and cooled.
  • Lay out, measure, and mark metal stock to display placement of cuts.
  • Study sample parts, blueprints, drawings, and engineering information to determine methods and sequences of operations needed to fabricate products, and determine product dimensions and tolerances.
  • Confer with engineering, supervisory, and manufacturing personnel to exchange technical information.
  • Program computers and electronic instruments such as numerically controlled machine tools.
  • Operate equipment to verify operational efficiency.
  • Clean and lubricate machines, tools, and equipment to remove grease, rust, stains, and foreign matter.
  • Design fixtures, tooling, and experimental parts to meet special engineering needs.
  • Evaluate experimental procedures, and recommend changes or modifications for improved efficiency and adaptability to setup and production.
  • Confer with numerical control programmers to check and ensure that new programs or machinery will function properly, and that output will meet specifications.
  • Establish work procedures for fabricating new structural products, using a variety of metalworking machines.
  • Fit and assemble parts to make or repair machine tools.
  • Set up and operate metalworking, brazing, heat-treating, welding, and cutting equipment.
  • Dismantle machines or equipment, using hand tools and power tools, to examine parts for defects and replace defective parts where needed.
  • Install repaired parts into equipment, or install new equipment.
  • Advise clients about the materials being used for finished products.
  • Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties and mathematics.
  • Prepare working sketches for the illustration of product appearance.
  • Test experimental models under simulated operating conditions for such purposes as development, standardization, and feasibility of design.
  • Install experimental parts and assemblies such as hydraulic systems, electrical wiring, lubricants, and batteries into machines and mechanisms.

Knowledge

Mechanical — Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
Production and Processing — Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
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.
English Language — Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
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.
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.

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.
Monitoring — Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
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.
Critical Thinking — Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
Judgment and Decision Making — Considering the relative costs and benefits of potential actions to choose the most appropriate one.
Quality Control Analysis — Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
Complex Problem Solving — Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions.
Time Management — Managing one's own time and the time of others.
Equipment Maintenance — Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.

Abilities

Control Precision — The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
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.
Reaction Time — The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears.
Near Vision — The ability to see details at close range (within a few feet of the observer).
Oral Expression — The ability to communicate information and ideas in speaking so others will understand.
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.
Manual Dexterity — The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects.
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).
Oral Comprehension — The ability to listen to and understand information and ideas presented through spoken words and sentences.
Selective Attention — The ability to concentrate on a task over a period of time without being distracted.

Work Activities

Controlling Machines and Processes — Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).
Getting Information — Observing, receiving, and otherwise obtaining information from all relevant sources.
Making Decisions and Solving Problems — Analyzing information and evaluating results to choose the best solution and solve problems.
Inspecting Equipment, Structures, or Material — Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects.
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.
Thinking Creatively — Developing, designing, or creating new applications, ideas, relationships, systems, or products, including artistic contributions.
Performing General Physical Activities — Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials.
Identifying Objects, Actions, and Events — Identifying information by categorizing, estimating, recognizing differences or similarities, and detecting changes in circumstances or events.
Updating and Using Relevant Knowledge — Keeping up-to-date technically and applying new knowledge to your job.

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?
Exposed to Hazardous Equipment — How often does this job require exposure to hazardous equipment?
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 Being Exact or Accurate — How important is being very exact or highly accurate in 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?
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?
Exposed to Contaminants — How often does this job require working exposed to contaminants (such as pollutants, gases, dust or odors)?
Indoors, Not Environmentally Controlled — How often does this job require working indoors in non-controlled environmental conditions (e.g., warehouse without heat)?
Structured versus Unstructured Work — To what extent is this job structured for the worker, rather than allowing the worker to determine tasks, priorities, and goals?
Freedom to Make Decisions — How much decision making freedom, without supervision, does the job offer?

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.
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.
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.
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.
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.
Integrity — Job requires being honest and ethical.
Adaptability/Flexibility — Job requires being open to change (positive or negative) and to considerable variety in the workplace.
Self Control — Job requires maintaining composure, keeping emotions in check, controlling anger, and avoiding aggressive behavior, even in very difficult situations.
Persistence — Job requires persistence in the face of obstacles.
Leadership — Job requires a willingness to lead, take charge, and offer opinions and direction.

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.
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.
Independence — Occupations that satisfy this work value allow employs to work on their own and make decisions. Corresponding needs are Creativity, Responsibility and Autonomy.
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.
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.

Related Occupations

Lay Titles

National Wages and Employment Info


Median Wages (2008): $17.41 hourly, $36,210 annual.
Employment (2008): 419,070 employees