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Machinists

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.

Tasks
29 tasks20 core, 9 supplemental
Family
ProductionOne of its 114 occupations
Code
51-4041.00SOC 2018: 51-4041

Read the 29 tasks Download this record as JSON

What the work is made of

20 core tasks and 9 supplemental, each quoted as published, with the survey it came from.

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Core: central to the jobSupplemental: done by some, not all

  1. Task 1. Calculate dimensions or tolerances, using instruments, such as micrometers or vernier calipers.Core taskTask 20292Rated by 80 people who do the job, August 2020
  2. Task 2. Machine parts to specifications, using machine tools, such as lathes, milling machines, shapers, or grinders.Core taskTask 3094Rated by 80 people who do the job, August 2020
  3. Task 3. Measure, examine, or test completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers.Core taskTask 3095Rated by 82 people who do the job, August 2020
  4. Task 4. Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations.Core taskTask 20293Rated by 82 people who do the job, August 2020
  5. Task 5. Program computers or electronic instruments, such as numerically controlled machine tools.Core taskTask 3110Rated by 79 people who do the job, August 2020
  6. Task 6. Study sample parts, blueprints, drawings, or engineering information to determine methods or sequences of operations needed to fabricate products.Core taskTask 20295Rated by 82 people who do the job, August 2020
  7. Task 7. Monitor the feed and speed of machines during the machining process.Core taskTask 3098Rated by 81 people who do the job, August 2020
  8. Task 8. Maintain machine tools in proper operational condition.Core taskTask 20294Rated by 81 people who do the job, August 2020
  9. Task 9. Fit and assemble parts to make or repair machine tools.Core taskTask 3117Rated by 78 people who do the job, August 2020
  10. Task 10. Align and secure holding fixtures, cutting tools, attachments, accessories, or materials onto machines.Core taskTask 3097Rated by 80 people who do the job, August 2020
  11. Task 11. Confer with numerical control programmers to check and ensure that new programs or machinery will function properly and that output will meet specifications.Core taskTask 3116Rated by 79 people who do the job, August 2020
  12. Task 12. Operate equipment to verify operational efficiency.Core taskTask 3106Rated by 82 people who do the job, August 2020
  13. Task 13. Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability.Core taskTask 20297Rated by 80 people who do the job, August 2020
  14. Task 14. Diagnose machine tool malfunctions to determine need for adjustments or repairs.Core taskTask 20296Rated by 81 people who do the job, August 2020
  15. Task 15. Design fixtures, tooling, or experimental parts to meet special engineering needs.Core taskTask 3119Rated by 82 people who do the job, August 2020
  16. Task 16. Dispose of scrap or waste material in accordance with company policies and environmental regulations.Core taskTask 19905Rated by 81 people who do the job, August 2020
  17. Task 17. Confer with engineering, supervisory, or manufacturing personnel to exchange technical information.Core taskTask 3112Rated by 81 people who do the job, August 2020
  18. Task 18. Lay out, measure, and mark metal stock to display placement of cuts.Core taskTask 3101Rated by 81 people who do the job, August 2020
  19. Task 19. Separate scrap waste and related materials for reuse, recycling, or disposal.Core taskTask 19906Rated by 81 people who do the job, August 2020
  20. Task 20. Check work pieces to ensure that they are properly lubricated or cooled.Core taskTask 3103Rated by 82 people who do the job, August 2020
  21. Task 21. Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties, and mathematics.Supplemental taskTask 3115Rated by 82 people who do the job, August 2020
  22. Task 22. Install repaired parts into equipment or install new equipment.Supplemental taskTask 3107Rated by 79 people who do the job, August 2020
  23. Task 23. Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed.Supplemental taskTask 3113Rated by 81 people who do the job, August 2020
  24. Task 24. Test experimental models under simulated operating conditions, for purposes such as development, standardization, or feasibility of design.Supplemental taskTask 3123Rated by 80 people who do the job, August 2020
  25. Task 25. Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment.Supplemental taskTask 3122Rated by 81 people who do the job, August 2020
  26. Task 26. Prepare working sketches for the illustration of product appearance.Supplemental taskTask 3120Rated by 79 people who do the job, August 2020
  27. Task 27. Establish work procedures for fabricating new structural products, using a variety of metalworking machines.Supplemental taskTask 3114Rated by 82 people who do the job, August 2020
  28. Task 28. Install experimental parts or assemblies, such as hydraulic systems, electrical wiring, lubricants, or batteries into machines or mechanisms.Supplemental taskTask 3121Rated by 82 people who do the job, August 2020
  29. Task 29. Advise clients about the materials being used for finished products.Supplemental taskTask 3109Rated by 80 people who do the job, August 2020

Where this comes from

Quoted from the U.S. Department of Labor, and credited. Nothing on this page is written by us.

How we copy and credit sources
  1. Published by
    O*NET 29.0, U.S. Department of LaborEmployment and Training Administration
  2. Classification
    Standard Occupational Classification 2018, 51-4041
  3. License
    CC BY 4.0Free to copy and reuse, with credit
  4. Changed by us
    Nothing.

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