Job Duties Custom List 51-4041.00 — Machinists
- Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability.
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- Recommend necessary corrective actions, based on inspection results.
- Interpret legal requirements, provide safety information, or recommend compliance procedures to contractors, craft workers, engineers, or property owners.
- Discard or reject products, materials, or equipment not meeting specifications.
- Mark items with details, such as grade or acceptance-rejection status.
- Measure dimensions of products to verify conformance to specifications, using measuring instruments, such as rulers, calipers, gauges, or micrometers.
- Notify supervisors or other personnel of production problems.
- Inspect, test, or measure materials, products, installations, or work for conformance to specifications.
- Write test or inspection reports describing results, recommendations, or needed repairs.
- Read dials or meters to verify that equipment is functioning at specified levels.
- Make minor adjustments to equipment, such as turning setscrews to calibrate instruments to required tolerances.
- Read blueprints, data, manuals, or other materials to determine specifications, inspection and testing procedures, adjustment methods, certification processes, formulas, or measuring instruments required.
- Monitor production operations or equipment to ensure conformance to specifications, making necessary process or assembly adjustments.
- Record inspection or test data, such as weights, temperatures, grades, or moisture content, and quantities inspected or graded.
- Position products, components, or parts for testing.
- Remove defects, such as chips, burrs, or lap corroded or pitted surfaces.
- Collect or select samples for testing or for use as models.
- Stack or arrange tested products for further processing, shipping, or packaging.
- Check arriving materials to ensure that they match purchase orders, submitting discrepancy reports as necessary.
- Inspect or test raw materials, parts, or products to determine compliance with environmental standards.
- Analyze test data, making computations as necessary, to determine test results.
- Compare colors, shapes, textures, or grades of products or materials with color charts, templates, or samples to verify conformance to standards.
- Clean, maintain, calibrate, or repair measuring instruments or test equipment, such as dial indicators, fixed gauges, or height gauges.
- Fabricate, install, position, or connect components, parts, finished products, or instruments for testing or operational purposes.
- Administer tests to assess whether engineers or operators are qualified to use equipment.
- Monitor machines that automatically measure, sort, or inspect products.
- Adjust, clean, or repair products or processing equipment to correct defects found during inspections.
- Compute usable amounts of items in shipments.
- Grade, classify, or sort products according to sizes, weights, colors, or other specifications.
- Disassemble defective parts or components, such as inaccurate or worn gauges or measuring instruments.
- Weigh materials, products, containers, or samples to verify packaging weights or ingredient quantities.
- Compute defect percentages or averages, using formulas and calculators.
- Recommend necessary corrective actions, based on inspection results.
- Interpret legal requirements, provide safety information, or recommend compliance procedures to contractors, craft workers, engineers, or property owners.
- Advise producers about improved products and techniques that could enhance their animal production efforts.
- Study nutritional requirements of animals and nutritive values of animal feed materials.
- Write up or orally communicate research findings to the scientific community, producers, and the public.
- Develop improved practices in feeding, housing, sanitation, or parasite and disease control of animals.
- Conduct research concerning animal nutrition, breeding, or management to improve products or processes.
- Study effects of management practices, processing methods, feed, or environmental conditions on quality and quantity of animal products, such as eggs and milk.
- Research and control animal selection and breeding practices to increase production efficiency and improve animal quality.
- Determine genetic composition of animal populations and heritability of traits, using principles of genetics.
- Crossbreed animals with existing strains or cross strains to obtain new combinations of desirable characteristics.
- Advise producers about improved products and techniques that could enhance their animal production efforts.
- Advise customers and others on the best use of gems to create attractive jewelry items.
- Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
- Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
- Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
- Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
- Identify and document stones' clarity characteristics, using plot diagrams.
- Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
- Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Sort rough diamonds into categories based on shape, size, color, and quality.
- Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
- Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
- Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
- Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery to clean and lubricate it.
- Advise customers and others on the best use of gems to create attractive jewelry items.
- Determine causes of abnormal pressure variances, and make corrective recommendations, such as installation of pipes to relieve overloading.
- Monitor equipment functioning, observe temperature, level, and flow gauges, and perform regular unit checks to ensure that all equipment is operating as it should.
- Distribute or process gas for utility companies or industrial plants, using panel boards, control boards, and semi-automatic equipment.
- Control operation of compressors, scrubbers, evaporators, and refrigeration equipment to liquefy, compress, or regasify natural gas.
- Control equipment to regulate flow and pressure of gas to feedlines of boilers, furnaces, and related steam-generating or heating equipment.
- Record, review, and compile operations records, test results, and gauge readings such as temperatures, pressures, concentrations, and flows.
- Adjust temperature, pressure, vacuum, level, flow rate, or transfer of gas to maintain processes at required levels or to correct problems.
- Collaborate with other operators to solve unit problems.
- Monitor transportation and storage of flammable and other potentially dangerous products to ensure that safety guidelines are followed.
- Start and shut down plant equipment.
- Read logsheets to determine product demand and disposition, or to detect malfunctions.
- Contact maintenance crews when necessary.
- Test gas, chemicals, and air during processing to assess factors such as purity and moisture content, and to detect quality problems or gas or chemical leaks.
- Clean, maintain, and repair equipment, using hand tools, or request that repair and maintenance work be performed.
- Signal or direct workers who tend auxiliary equipment.
- Control fractioning columns, compressors, purifying towers, heat exchangers, and related equipment to extract nitrogen and oxygen from air.
- Calculate gas ratios to detect deviations from specifications, using testing apparatus.
- Operate construction equipment to install and maintain gas distribution systems.
- Change charts in recording meters.
- Determine causes of abnormal pressure variances, and make corrective recommendations, such as installation of pipes to relieve overloading.
- Respond to system or unit abnormalities, diagnosing the cause, and recommending or taking corrective action.
- Operate nuclear power reactors in accordance with policies and procedures to protect workers from radiation and to ensure environmental safety.
- Adjust controls to position rod and to regulate flux level, reactor period, coolant temperature, or rate of power flow, following standard procedures.
- Develop or implement actions such as lockouts, tagouts, or clearances to allow equipment to be safely repaired.
- Monitor all systems for normal running conditions, performing activities such as checking gauges to assess output or the effects of generator loading on other equipment.
- Monitor or operate boilers, turbines, wells, or auxiliary power plant equipment.
- Record operating data, such as the results of surveillance tests.
- Implement operational procedures, such as those controlling start-up or shut-down activities.
- Note malfunctions of equipment, instruments, or controls and report these conditions to supervisors.
- Participate in nuclear fuel element handling activities, such as preparation, transfer, loading, or unloading.
- Dispatch orders or instructions to personnel through radiotelephone or intercommunication systems to coordinate auxiliary equipment operation.
- Review and edit standard operating procedures.
- Conduct inspections or operations outside of control rooms as necessary.
- Direct reactor operators in emergency situations, in accordance with emergency operating procedures.
- Authorize maintenance activities on units or changes in equipment or system operational status.
- Supervise technicians' work activities to ensure that equipment is operated in accordance with policies and procedures that protect workers from radiation and ensure environmental safety.
- Authorize actions to correct identified operational inefficiencies or hazards so that operating efficiency is maximized and potential environmental issues are minimized.
- Direct the collection and testing of air, water, gas, or solid samples to determine radioactivity levels or to ensure appropriate radioactive containment.
- Direct measurement of the intensity or types of radiation in work areas, equipment, or materials.
- Respond to system or unit abnormalities, diagnosing the cause, and recommending or taking corrective action.
- Recommend or implement measures to motivate employees and to improve production methods, equipment performance, product quality, or efficiency.
- Enforce safety and sanitation regulations.
- Keep records of employees' attendance and hours worked.
- Inspect materials, products, or equipment to detect defects or malfunctions.
- Read and analyze charts, work orders, production schedules, and other records and reports to determine production requirements and to evaluate current production estimates and outputs.
- Plan and establish work schedules, assignments, and production sequences to meet production goals.
- Confer with other supervisors to coordinate operations and activities within or between departments.
- Interpret specifications, blueprints, job orders, and company policies and procedures for workers.
- Observe work and monitor gauges, dials, and other indicators to ensure that operators conform to production or processing standards.
- Direct and coordinate the activities of employees engaged in the production or processing of goods, such as inspectors, machine setters, or fabricators.
- Conduct employee training in equipment operations or work and safety procedures, or assign employee training to experienced workers.
- Evaluate employee performance.
- Confer with management or subordinates to resolve worker problems, complaints, or grievances.
- Determine standards, budgets, production goals, and rates, based on company policies, equipment and labor availability, and workloads.
- Calculate labor and equipment requirements and production specifications, using standard formulas.
- Maintain operations data, such as time, production, and cost records, and prepare management reports of production results.
- Requisition materials, supplies, equipment parts, or repair services.
- Set up and adjust machines and equipment.
- Recommend or execute personnel actions, such as hirings, evaluations, or promotions.
- Plan and develop new products and production processes.
- Recommend or implement measures to motivate employees and to improve production methods, equipment performance, product quality, or efficiency.
- Recommend woods, colors, finishes, and furniture styles, using knowledge of wood products, fashions, and styles.
- Brush, spray, or hand-rub finishing ingredients, such as paint, oil, stain, or wax, onto and into wood grain and apply lacquer or other sealers.
- Fill and smooth cracks or depressions, remove marks and imperfections, and repair broken parts, using plastic or wood putty, glue, nails, or screws.
- Smooth, shape, and touch up surfaces to prepare them for finishing, using sandpaper, pumice stones, steel wool, chisels, sanders, or grinders.
- Remove accessories prior to finishing, and mask areas that should not be exposed to finishing processes or substances.
- Remove old finishes and damaged or deteriorated parts, using hand tools, stripping tools, sandpaper, steel wool, abrasives, solvents, or dip baths.
- Treat warped or stained surfaces to restore original contours and colors.
- Select appropriate finishing ingredients such as paint, stain, lacquer, shellac, or varnish, depending on factors such as wood hardness and surface type.
- Mix finish ingredients to obtain desired colors or shades.
- Remove excess solvent, using cloths soaked in paint thinner.
- Examine furniture to determine the extent of damage or deterioration, and to decide on the best method for repair or restoration.
- Distress surfaces with woodworking tools or abrasives before staining to create an antique appearance, or rub surfaces to bring out highlights and shadings.
- Stencil, gild, emboss, mark, or paint designs or borders to reproduce the original appearance of restored pieces, or to decorate new pieces.
- Disassemble items to prepare them for finishing, using hand tools.
- Confer with customers to determine furniture colors or finishes.
- Wash surfaces to prepare them for finish application.
- Follow blueprints to produce specific designs.
- Paint metal surfaces electrostatically, or by using a spray gun or other painting equipment.
- Replace or refurbish upholstery of items, using tacks, adhesives, softeners, solvents, stains, or polish.
- Design, create, and decorate entire pieces or specific parts of furniture, such as draws for cabinets.
- Spread graining ink over metal portions of furniture to simulate wood-grain finish.
- Brush bleaching agents on wood surfaces to restore natural color.
- Recommend woods, colors, finishes, and furniture styles, using knowledge of wood products, fashions, and styles.
