Job Profile:      Aircraft Machinist


Set up and operate a variety of machine tools to produce precision parts and instruments out of metal. 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, mathematics, metal properties, layout, and machining procedures.

51-4041
Job Information
   
   
33,790 46,740 120,540

Select Tasks
Measure, examine, or test completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers. Align and secure holding fixtures, cutting tools, attachments, accessories, or materials onto machines. Monitor the feed and speed of machines during the machining process.
Lay out, measure, and mark metal stock to display placement of cuts. Check work pieces to ensure that they are properly lubricated or cooled. Operate equipment to verify operational efficiency.
Install repaired parts into equipment or install new equipment. Advise clients about the materials being used for finished products. Program computers or electronic instruments, such as numerically controlled machine tools.
Confer with engineering, supervisory, or manufacturing personnel to exchange technical information. Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed. Establish work procedures for fabricating new structural products, using a variety of metalworking machines.
Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties, and mathematics. Confer with numerical control programmers to check and ensure that new programs or machinery will function properly and that output will meet specifications. Fit and assemble parts to make or repair machine tools.
Design fixtures, tooling, or experimental parts to meet special engineering needs. Prepare working sketches for the illustration of product appearance. Install experimental parts or assemblies, such as hydraulic systems, electrical wiring, lubricants, or batteries into machines or mechanisms.
Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment. Test experimental models under simulated operating conditions, for purposes such as development, standardization, or feasibility of design. Dispose of scrap or waste material in accordance with company policies and environmental regulations.
Separate scrap waste and related materials for reuse, recycling, or disposal. Calculate dimensions or tolerances, using instruments, such as micrometers or vernier calipers. Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations.
Maintain machine tools in proper operational condition. Study sample parts, blueprints, drawings, or engineering information to determine methods or sequences of operations needed to fabricate products. Diagnose machine tool malfunctions to determine need for adjustments or repairs.
Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability.





Select Abilities
The ability to read and understand information and ideas presented in writing. The ability to communicate information and ideas in speaking so others will understand. The ability to communicate information and ideas in writing so others will understand.
The ability to come up with a number of ideas about a topic (the number of ideas is important, not their quality, correctness, or creativity). The ability to come up with unusual or clever ideas about a given topic or situation, or to develop creative ways to solve a problem. 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.
The ability to apply general rules to specific problems to produce answers that make sense. The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). 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).
The ability to generate or use different sets of rules for combining or grouping things in different ways. The ability to choose the right mathematical methods or formulas to solve a problem. The ability to add, subtract, multiply, or divide quickly and correctly.
The ability to remember information such as words, numbers, pictures, and procedures. The ability to quickly make sense of, combine, and organize information into meaningful patterns. The ability to identify or detect a known pattern (a figure, object, word, or sound) that is hidden in other distracting material.
The ability to quickly and accurately compare similarities and differences among sets of letters, numbers, objects, pictures, or patterns. The things to be compared may be presented at the same time or one after the other. This ability also includes comparing a presented object with a remembered object. The ability to know your location in relation to the environment or to know where other objects are in relation to you. The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged.
The ability to concentrate on a task over a period of time without being distracted. The ability to shift back and forth between two or more activities or sources of information (such as speech, sounds, touch, or other sources). The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects. The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects. The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
The ability to coordinate two or more limbs (for example, two arms, two legs, or one leg and one arm) while sitting, standing, or lying down. It does not involve performing the activities while the whole body is in motion. The ability to choose quickly between two or more movements in response to two or more different signals (lights, sounds, pictures). It includes the speed with which the correct response is started with the hand, foot, or other body part. 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.
The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears. The ability to make fast, simple, repeated movements of the fingers, hands, and wrists. The ability to quickly move the arms and legs.
The ability to exert maximum muscle force to lift, push, pull, or carry objects. The ability to use short bursts of muscle force to propel oneself (as in jumping or sprinting), or to throw an object. The ability to exert muscle force repeatedly or continuously over time. This involves muscular endurance and resistance to muscle fatigue.
The ability to use your abdominal and lower back muscles to support part of the body repeatedly or continuously over time without 'giving out' or fatiguing. The ability to exert yourself physically over long periods of time without getting winded or out of breath. The ability to bend, stretch, twist, or reach with your body, arms, and/or legs.
The ability to quickly and repeatedly bend, stretch, twist, or reach out with your body, arms, and/or legs. The ability to coordinate the movement of your arms, legs, and torso together when the whole body is in motion. The ability to keep or regain your body balance or stay upright when in an unstable position.
The ability to see details at close range (within a few feet of the observer). The ability to see details at a distance. The ability to match or detect differences between colors, including shades of color and brightness.
The ability to see under low light conditions. The ability to see objects or movement of objects to one's side when the eyes are looking ahead. The ability to judge which of several objects is closer or farther away from you, or to judge the distance between you and an object.
The ability to see objects in the presence of glare or bright lighting. The ability to detect or tell the differences between sounds that vary in pitch and loudness. The ability to focus on a single source of sound in the presence of other distracting sounds.
The ability to tell the direction from which a sound originated. The ability to identify and understand the speech of another person. The ability to speak clearly so others can understand you.




Tools Used
Adjustable wrenches Angle plates Angled feeler gauges
Anvils Arbor presses Aviation snips
Ball peen hammers Bandsaws Beverly shears
Binocular light compound microscopes Boring bars Boring tools
Brake presses Brass hammers Brazing equipment
Breaker lathes Broachers Buffers
Calipers Center drills Centrifugal spin casters
Chamfer tools Channel lock pliers Chippers
Chucks Cold chisels Cold saws
Combination drills Combination pliers Combination wrenches
Composition hammers Computerized numerical control CNC machining centers Computerized numerical control CNC turning lathes
Coordinate measuring machines CMM Crankshaft grinders Cutoff saws
Cylinder honers Cylindrical grinders Deburring tools
Desktop computers Dial calipers Dial indicators
Drum lathes Edge finders Engine lathes
Feeler gauges Flat files Flywheel lathes
Forklifts Full face shields Gauges
Grinders Grinding dogs Grinding wheel arbors
Hacksaws Half-round files Hand clamps
Hand saws Handheld welders Heat-treating equipment
Height gauges Hermaphrodite calipers Hex keys
Hex wrenches Horizontal boring bars Horizontal lathes
Horizontal mills Hydraulic presses Inside micrometers
Inside spring calipers Jointers Knee mills
Ladders Laser printers Lathes
Machine shop rigging equipment Machinists' hammers Machinists' squares
Magnetic retrievers Marking blocks Metal cutting taps
Metal inert gas MIG welders Metal shears Metal spray equipment
Micrometers Milling angle form cutters Milling machines
Milling vises Multi-axis computerized numerical control CNC machines Needlenose pliers
Outside micrometers Outside spring calipers Oxyacetylene welding equipment
Parallel blocks Personal computers Personal digital assistants PDA
Phillips head screwdrivers Pillar drill machines Pipe threaders
Pipe wrenches Planer gauges Planers
Plasma welders Platforms Portable welding equipment
Power drills Power hacksaws Power sanders
Prick punches Pry bars Punches
Putty knives Radial drill presses Radial drills
Radius gauges Ratchet sets Reamers
Resurfacing machines Ring gauges Rubber mallets
Sandblasters Screw pitch gauges Screwdrivers
Scribers Sensitive drill presses Shapers
Sharpening equipment Shears Shielded arc welding tools
Shims Side cutting pliers Sine bars
Single-cut mill saw files Sledgehammers Socket wrench sets
Soldering equipment Spindle blade screwdrivers Spirit levels
Square chisels Staging equipment Steel rules
Steel wedges Surface gauges Surface grinding machines
Swaging tools Telescoping gauges Thread gauges
Threading machines Tongs Torches
Tube benders Tungsten inert gas TIG welding equipment Turning lathes
Turret lathes Undercut tools Utility knives
V blocks Valve grinding machines Vernier bevel protractors
Vernier calipers Vernier gear tooth calipers Vernier height gauges
Vertical milling machines Vertical turret lathes VTL Wedges
Welding lenses Welding shields Workshop cranes

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