# Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders > Set up, operate, or tend welding, soldering, or brazing machines or robots that weld, braze, solder, or heat treat metal products, components, or assemblies. Includes workers who operate laser cutters or laser-beam machines. - Code: 51-4122.00 (O*NET-SOC; SOC 2018 51-4122) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 29 tasks (20 core and 9 supplemental) - Page: https://foundation.org.ai/occupations/51-4122.00 - JSON: https://foundation.org.ai/data/tasks/51-4122.00.json ## What the work is made of 1. Read blueprints, work orders, or production schedules to determine product or job instructions or specifications. Core task · Task 10274 · Rated by 62 people who do the job, August 2024 2. Inspect, measure, or test completed metal workpieces to ensure conformance to specifications, using measuring and testing devices. Core task · Task 10271 · Rated by 61 people who do the job, August 2024 3. Record operational information on specified production reports. Core task · Task 10272 · Rated by 61 people who do the job, August 2024 4. Correct problems by adjusting controls or by stopping machines and opening holding devices. Core task · Task 10270 · Rated by 61 people who do the job, August 2024 5. Set up, operate, or tend welding machines that join or bond components to fabricate metal products or assemblies. Core task · Task 10267 · Rated by 61 people who do the job, August 2024 6. Select torch tips, alloys, flux, coil, tubing, or wire, according to metal types or thicknesses, data charts, or records. Core task · Task 10282 · Rated by 62 people who do the job, August 2024 7. Lay out, fit, or connect parts to be bonded, calculating production measurements, as necessary. Core task · Task 10276 · Rated by 62 people who do the job, August 2024 8. Prepare metal surfaces or workpieces, using hand-operated equipment, such as grinders, cutters, or drills. Core task · Task 10284 · Rated by 61 people who do the job, August 2024 9. Mark weld points and positions of components on workpieces, using rules, squares, templates, or scribes. Core task · Task 10292 · Rated by 60 people who do the job, August 2024 10. Set dials and timing controls to regulate electrical current, gas flow pressure, heating or cooling cycles, or shut-off. Core task · Task 10286 · Rated by 61 people who do the job, August 2024 11. Turn and press knobs and buttons or enter operating instructions into computers to adjust and start welding machines. Core task · Task 10266 · Rated by 62 people who do the job, August 2024 12. Assemble, align, and clamp workpieces into holding fixtures to bond, heat-treat, or solder fabricated metal components. Core task · Task 10275 · Rated by 62 people who do the job, August 2024 13. Conduct trial runs before welding, soldering, or brazing, and make necessary adjustments to equipment. Core task · Task 10277 · Rated by 61 people who do the job, August 2024 14. Give directions to other workers regarding machine set-up and use. Core task · Task 10269 · Rated by 61 people who do the job, August 2024 15. Clean, lubricate, maintain, and adjust equipment to maintain efficient operation, using air hoses, cleaning fluids, and hand tools. Core task · Task 10285 · Rated by 61 people who do the job, August 2024 16. Select, position, align, and bolt jigs, holding fixtures, guides, or stops onto machines, using measuring instruments and hand tools. Core task · Task 10281 · Rated by 61 people who do the job, August 2024 17. Remove completed workpieces or parts from machinery, using hand tools. Core task · Task 10279 · Rated by 60 people who do the job, August 2024 18. Observe meters, gauges, or machine operations to ensure that soldering or brazing processes meet specifications. Core task · Task 10280 · Rated by 62 people who do the job, August 2024 19. Transfer components, metal products, or assemblies, using moving equipment. Core task · Task 10290 · Rated by 61 people who do the job, August 2024 20. Devise or build fixtures or jigs used to hold parts in place during welding, brazing, or soldering. Core task · Task 10288 · Rated by 62 people who do the job, August 2024 21. Add chemicals or materials to workpieces or machines to facilitate bonding or to cool workpieces. Supplemental task · Task 10291 · Rated by 61 people who do the job, August 2024 22. Tend auxiliary equipment used in welding processes. Supplemental task · Task 10287 · Rated by 62 people who do the job, August 2024 23. Compute and record settings for new work, applying knowledge of metal properties, principles of welding, and shop mathematics. Supplemental task · Task 10283 · Rated by 59 people who do the job, August 2024 24. Anneal finished workpieces to relieve internal stress. Supplemental task · Task 10293 · Rated by 60 people who do the job, August 2024 25. Load or feed workpieces into welding machines to join or bond components. Supplemental task · Task 10268 · Rated by 61 people who do the job, August 2024 26. Fill hoppers and position spouts to direct flow of flux or manually brush flux onto seams of workpieces. Supplemental task · Task 10289 · Rated by 62 people who do the job, August 2024 27. Start, monitor, and adjust robotic welding production lines. Supplemental task · Task 10273 · Rated by 62 people who do the job, August 2024 28. Dress electrodes, using tip dressers, files, emery cloths, or dressing wheels. Supplemental task · Task 10278 · Rated by 60 people who do the job, August 2024 29. Immerse completed workpieces into water or acid baths to cool and clean components. 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