Machinist

Education & Experience:

• Secret Clearance
• High School Diploma or equivalent plus 2 years’ aircraft fabrication experience
• Possess knowledge of a variety of conventional machine tools such as lathes; vertical and horizontal boring mills; bench, plain, and universal milling machines; shapers; planers; internal and external grinders; thread cutters; and radial drills; and cutting saws, power hacksaws, screw machines, drill presses, shapers, and related shop equipment
• Possess knowledge of the physical properties of numerous metals, metal alloys, plastics, rubber, and other materials to determine their adaptability to the specifications required of the item to be made; and the effect of hardening, annealing, and stress relieving on metals and metal alloys to choose the proper materials for specific items to be made and make dimensional allowances for such processes.
• Possess knowledge of machine shop practices and processes, and of technological changes as they occur and affect manufacturing procedures.
• Possess knowledge of advanced shop mathematics, including plane geometry, the use of trigonometric functions, and toolmaker handbook formulas in establishing needed dimensions and plan and layout work.
• Possess knowledge of grit-type, grit size, and various bonds used in grinding wheels to select a wheel of the proper grit, bond, and diameter, and compute the correct surface speed in accordance with the material to be ground, edge, or radius to be held, or other critical factors.
• Possess knowledge and the skill to use precision instruments and equipment common to the trade such as vernier calipers; height gages; squares; protractors; inside, outside and depth micrometers; surface gages; vee blocks; Johanssen and similar gage blocks; dial indicators; optical and electrical comparators, and various types of micrometers and super micrometers; and measuring devices such as scales, toolmaker’s button, dividers, surface gages, sine bars, protractors, steel squares, optical flats, and straight edges.
• Possess the skill in planning, layout, machining, assembly, and hand finishing of work to precise dimensions and close tolerances.
• Possess the skill in adapting, setting up, and operating a variety of conventional machine tools and attachments to perform special and precise machining operations by devising and constructing fixtures and holding devices; and in the set up and operation of specialized and precision machines such as jig borers, jig grinders, internal and external thread grinders, and various types of electrical discharge machines to manufacture, overhaul, and repair tools, dies, jigs, fixtures, molds, and gages.
• Possess the ability to read and interpret complex blueprints, multi-view mechanical drawings, and sketches, or to prepare own sketches from oral or written instructions; to calculate and work to precise dimensions and very close tolerances; make detailed and exact work layouts and accomplish complex machine setups.
• Possess the ability to check the accuracy of existing tools, jigs, fixtures, and gages; and fabricate, repair, modify, and calibrate precision measuring instruments used in the machine shops.