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Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic

SOC 51-4033.00Job Zone 2 · Some Preparationv.26.05

Context coveredThis framework covers the setup, operation, quality inspection, and process improvement of grinding, lapping, polishing, and buffing machine tools used in metal and plastic production environments, from entry-level supervised operation through departmental leadership.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Basic measuring instruments such as gauges and micrometers — identify and use under direct supervision to check finished workpieces against dimensional specifications on the shop floor.
  2. Blueprint and work order terminology — interpret with guidance to locate product specifications and tooling requirements before beginning a grinding or polishing operation.
  3. Machine start-up and shutdown switches — activate according to step-by-step instructions to grind or buff metal and plastic workpieces within a supervised production environment.
  4. Hand tools and tool-holding devices — use under direction to mount and position cutting or grinding tools in machine chucks and spindles on assigned equipment.
  5. Machine controls and index settings — adjust to pre-selected operational parameters following supervisor-provided setup sheets in a production cell.
  6. Workpiece layout tasks — perform using basic precision measuring devices under close oversight to prepare parts for grinding or lapping operations.
  7. Abnormal machine sounds or vibrations — recognize and report immediately to a lead operator or supervisor during routine production runs.
  8. Personal protective equipment and shop safety protocols — follow consistently when operating buffing and polishing machines in a metal fabrication environment.
  9. Finished part measurements — record accurately on inspection logs using provided templates under the guidance of a quality technician.
  10. Tooling selection criteria — recognize basic requirements by referencing work orders and machining instructions with supervisor support in a Job Zone 2 production setting.
Developing
Mid-level / Established
  1. Gauges, micrometers, and calipers — apply routinely and independently to inspect and measure finished workpieces for conformance to dimensional and surface-finish specifications.
  2. Machine controls for indexing and operational settings — adjust with minimal oversight to maintain consistent feed rates and depth of cut across standard grinding and lapping operations.
  3. Blueprints and machining instructions — read and interpret without assistance to determine tool requirements, operational sequences, and tolerances for familiar part families.
  4. Grinding, honing, and buffing machine tooling — select appropriately from available inventory based on material type and production requirements for routine job assignments.
  5. In-process machine operations — monitor continuously for deviations in cycle time, surface quality, or dimensional drift, making corrective adjustments within established parameters.
  6. Tool installation procedures — execute independently, mounting and aligning tools in spindles and chucks to manufacturer and setup-sheet specifications with acceptable first-piece results.
  7. Minor machine faults such as feed inconsistencies or coolant flow issues — troubleshoot using standard diagnostic steps and resolve without interrupting the full production schedule.
  8. Work orders and production schedules — review and prioritize to sequence grinding and polishing tasks efficiently across a shift in a mid-volume manufacturing environment.
  9. Quality control data from part inspections — analyze trends and identify when process drift requires a machine parameter adjustment before scrap is generated.
  10. Inventory management software or paper-based tracking systems — use to log tooling consumption and flag replenishment needs within a production department.
Proficient
Senior / Expert IC
  1. Full range of grinding, lapping, polishing, and buffing operations — perform autonomously across diverse part geometries and materials, meeting tight tolerances in a high-mix production environment.
  2. Complex blueprints, GD&T callouts, and multi-step machining instructions — interpret independently to establish complete operational sequences and tooling configurations for non-routine workpieces.
  3. Precision measuring instruments including CMM data, surface profilometers, and optical comparators — apply to conduct thorough dimensional and surface-finish analyses on critical aerospace or automotive components.
  4. Recurring machine malfunctions, including spindle runout, wheel dress inconsistencies, and hydraulic faults — diagnose and resolve using systematic troubleshooting without supervisory intervention.
  5. Tooling selection decisions for non-standard or challenging materials — make by integrating knowledge of abrasive grades, bond types, coolant chemistry, and machine capability in a production setting.
  6. Process parameters such as wheel speed, feed rate, and work-holding pressure — optimize independently to balance cycle time, surface quality, and tool life across a production run.
  7. Operator-level industrial control software and CNC program offsets — modify to correct dimensional deviations identified during in-process inspection without requiring engineering sign-off.
  8. First-article inspection reports and non-conformance documentation — complete accurately and communicate findings to quality and engineering teams to drive corrective action.
  9. New setups for unfamiliar part configurations — develop and validate independently, including trial runs, measurement verification, and setup-sheet creation for future operator reference.
  10. Workplace hazard assessments for grinding and polishing operations — conduct proactively, identifying risks from wheel breakage, coolant mist, and fine particulate in a metal fabrication facility.
Advanced
Lead / Principal / Executive
  1. Departmental grinding and finishing standards, setup procedures, and quality benchmarks — establish and maintain to drive consistency and continuous improvement across a multi-shift production operation.
  2. Emerging operators and developing technicians — mentor and coach through structured on-the-job instruction, accelerating competency development in machine setup, measurement, and troubleshooting.
  3. Capital equipment selection and tooling procurement decisions — lead by evaluating grinding, lapping, and polishing machine capabilities against long-range production and quality requirements.
  4. Cross-functional process improvement initiatives — champion by partnering with engineering, quality, and maintenance teams to reduce scrap rates, cycle times, and unplanned downtime in finishing operations.
  5. ERP and inventory management systems — leverage at a departmental level to optimize tooling and consumable spend, aligning procurement cycles with production forecasts.
  6. Plant-wide quality control frameworks for ground and finished metal and plastic components — develop and implement, integrating statistical process control methods into daily operator practice.
  7. Workforce scheduling and skill-gap analysis for grinding and polishing cells — conduct to ensure adequate coverage and capability across all shifts and part families.
  8. Safety and compliance programs specific to abrasive machining operations — author and enforce, ensuring alignment with OSHA regulations and internal risk management policies.
  9. Advanced CAD or CAM data review — perform in collaboration with process engineers to assess machinability, identify finishing challenges, and recommend design-for-manufacturability improvements early in the product lifecycle.
  10. Organizational performance metrics for the finishing department including yield, OEE, and customer return rates — analyze and present to senior leadership, translating data into actionable operational strategies.

AI-at-Work Competency Framework

Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

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Sources:Pathsmith™ Durable SkillsPathsmith™ Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
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Source anchors that ground each statement

Related titles
Abrasive Worker · Air Grinder · Aluminum Polisher · Automatic Grinder Operator · Axle Bearing Polisher · Axle Polisher · Balance Screwhead Polisher · Band Reamer Machine Operator · Band Saw Filer · Barrel Centerer · Barrel Polisher · Bearing Grinder
RAPIDS apprenticeships
—
O*NET skills
Operations MonitoringOperation and ControlQuality Control AnalysisReading ComprehensionMonitoringSpeakingCritical ThinkingTroubleshootingJudgment and Decision Making
Knowledge domains
Production and Processing
Abilities
Control PrecisionNear VisionManual DexterityProblem SensitivityReaction TimeArm-Hand SteadinessMultilimb CoordinationRate ControlPerceptual SpeedWritten Comprehension
Work styles
Attention to DetailDependabilityCautiousnessAchievement OrientationIntegrityStress Tolerance
Technology
Computer aided design CAD softwareInventory management softwareIndustrial control softwareSpreadsheet softwareOffice suite softwareOperating system softwareEnterprise resource planning ERP software
Tasks · seed anchors for statements
  1. Inspect or measure finished workpieces to determine conformance to specifications, using measuring instruments, such as gauges or micrometers.
  2. Measure workpieces and lay out work, using precision measuring devices.
  3. Observe machine operations to detect any problems, making necessary adjustments to correct problems.
  4. Move machine controls to index workpieces, and to adjust machines for pre-selected operational settings.
  5. Study blueprints, work orders, or machining instructions to determine product specifications, tool requirements, and operational sequences.
  6. Select machine tooling to be used, using knowledge of machine and production requirements.
  7. Mount and position tools in machine chucks, spindles, or other tool holding devices, using hand tools.
  8. Activate machine start-up switches to grind, lap, hone, debar, shear, or cut workpieces, according to specifications.
CIP education codes
48.050148.0503

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me®, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith™ Durable Skills Framework. © 2026 EBSCOed.