# Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic > Set up, operate, or tend more than one type of cutting or forming machine tool or robot. - Code: 51-4081.00 (O*NET-SOC; SOC 2018 51-4081) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 21 tasks (18 core and 3 supplemental) - Page: https://foundation.org.ai/occupations/51-4081.00 - JSON: https://foundation.org.ai/data/tasks/51-4081.00.json ## What the work is made of 1. Inspect workpieces for defects, and measure workpieces to determine accuracy of machine operation, using rules, templates, or other measuring instruments. Core task · Task 10206 · Rated by 51 people who do the job, August 2021 2. Position, adjust, and secure stock material or workpieces against stops, on arbors, or in chucks, fixtures, or automatic feeding mechanisms, manually or using hoists. Core task · Task 10210 · Rated by 51 people who do the job, August 2021 3. Read blueprints or job orders to determine product specifications and tooling instructions and to plan operational sequences. Core task · Task 10208 · Rated by 51 people who do the job, August 2021 4. Select, install, and adjust alignment of drills, cutters, dies, guides, and holding devices, using templates, measuring instruments, and hand tools. Core task · Task 10211 · Rated by 51 people who do the job, August 2021 5. Observe machine operation to detect workpiece defects or machine malfunctions, adjusting machines as necessary. Core task · Task 10207 · Rated by 51 people who do the job, August 2021 6. Set up and operate machines, such as lathes, cutters, shears, borers, millers, grinders, presses, drills, or auxiliary machines, to make metallic and plastic workpieces. Core task · Task 10209 · Rated by 51 people who do the job, August 2021 7. Change worn machine accessories, such as cutting tools or brushes, using hand tools. Core task · Task 10212 · Rated by 51 people who do the job, August 2021 8. Set machine stops or guides to specified lengths as indicated by scales, rules, or templates. Core task · Task 10221 · Rated by 51 people who do the job, August 2021 9. Select the proper coolants and lubricants and start their flow. Core task · Task 10216 · Rated by 51 people who do the job, August 2021 10. Remove burrs, sharp edges, rust, or scale from workpieces, using files, hand grinders, wire brushes, or power tools. Core task · Task 10217 · Rated by 51 people who do the job, August 2021 11. Perform minor machine maintenance, such as oiling or cleaning machines, dies, or workpieces, or adding coolant to machine reservoirs. Core task · Task 10215 · Rated by 51 people who do the job, August 2021 12. Make minor electrical and mechanical repairs and adjustments to machines and notify supervisors when major service is required. Core task · Task 10213 · Rated by 51 people who do the job, August 2021 13. Compute data, such as gear dimensions or machine settings, applying knowledge of shop mathematics. Core task · Task 10223 · Rated by 51 people who do the job, August 2021 14. Start machines and turn handwheels or valves to engage feeding, cooling, and lubricating mechanisms. Core task · Task 10214 · Rated by 51 people who do the job, August 2021 15. Move controls or mount gears, cams, or templates in machines to set feed rates and cutting speeds, depths, and angles. Core task · Task 10222 · Rated by 51 people who do the job, August 2021 16. Instruct other workers in machine set-up and operation. Core task · Task 10218 · Rated by 51 people who do the job, August 2021 17. Record operational data, such as pressure readings, lengths of strokes, feed rates, or speeds. Core task · Task 10219 · Rated by 51 people who do the job, August 2021 18. Extract or lift jammed pieces from machines, using fingers, wire hooks, or lift bars. Core task · Task 10220 · Rated by 51 people who do the job, August 2021 19. Measure and mark reference points and cutting lines on workpieces, using traced templates, compasses, and rules. Supplemental task · Task 10225 · Rated by 51 people who do the job, August 2021 20. Write programs for computer numerical control (CNC) machines to cut metal and plastic materials. Supplemental task · Task 23937 · Rated by 50 people who do the job, August 2021 21. Align layout marks with dies or blades. 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