{"schemaVersion":"1.0","exportedAt":"2026-05-15T12:39:43.410Z","occupation":{"soc":"51-4033.00","title":"Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic","group":"Production","sector":"31-33","jobZone":2,"jobZoneInferred":false},"framework":{"version":"v.26.05","description":"","contextCovered":"This 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.","levels":{"emerging":{"label":"Emerging","statements":["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.","Blueprint and work order terminology — interpret with guidance to locate product specifications and tooling requirements before beginning a grinding or polishing operation.","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.","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.","Machine controls and index settings — adjust to pre-selected operational parameters following supervisor-provided setup sheets in a production cell.","Workpiece layout tasks — perform using basic precision measuring devices under close oversight to prepare parts for grinding or lapping operations.","Abnormal machine sounds or vibrations — recognize and report immediately to a lead operator or supervisor during routine production runs.","Personal protective equipment and shop safety protocols — follow consistently when operating buffing and polishing machines in a metal fabrication environment.","Finished part measurements — record accurately on inspection logs using provided templates under the guidance of a quality technician.","Tooling selection criteria — recognize basic requirements by referencing work orders and machining instructions with supervisor support in a Job Zone 2 production setting."]},"developing":{"label":"Developing","statements":["Gauges, micrometers, and calipers — apply routinely and independently to inspect and measure finished workpieces for conformance to dimensional and surface-finish specifications.","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.","Blueprints and machining instructions — read and interpret without assistance to determine tool requirements, operational sequences, and tolerances for familiar part families.","Grinding, honing, and buffing machine tooling — select appropriately from available inventory based on material type and production requirements for routine job assignments.","In-process machine operations — monitor continuously for deviations in cycle time, surface quality, or dimensional drift, making corrective adjustments within established parameters.","Tool installation procedures — execute independently, mounting and aligning tools in spindles and chucks to manufacturer and setup-sheet specifications with acceptable first-piece results.","Minor machine faults such as feed inconsistencies or coolant flow issues — troubleshoot using standard diagnostic steps and resolve without interrupting the full production schedule.","Work orders and production schedules — review and prioritize to sequence grinding and polishing tasks efficiently across a shift in a mid-volume manufacturing environment.","Quality control data from part inspections — analyze trends and identify when process drift requires a machine parameter adjustment before scrap is generated.","Inventory management software or paper-based tracking systems — use to log tooling consumption and flag replenishment needs within a production department."]},"proficient":{"label":"Proficient","statements":["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.","Complex blueprints, GD&T callouts, and multi-step machining instructions — interpret independently to establish complete operational sequences and tooling configurations for non-routine workpieces.","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.","Recurring machine malfunctions, including spindle runout, wheel dress inconsistencies, and hydraulic faults — diagnose and resolve using systematic troubleshooting without supervisory intervention.","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.","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.","Operator-level industrial control software and CNC program offsets — modify to correct dimensional deviations identified during in-process inspection without requiring engineering sign-off.","First-article inspection reports and non-conformance documentation — complete accurately and communicate findings to quality and engineering teams to drive corrective action.","New setups for unfamiliar part configurations — develop and validate independently, including trial runs, measurement verification, and setup-sheet creation for future operator reference.","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":{"label":"Advanced","statements":["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.","Emerging operators and developing technicians — mentor and coach through structured on-the-job instruction, accelerating competency development in machine setup, measurement, and troubleshooting.","Capital equipment selection and tooling procurement decisions — lead by evaluating grinding, lapping, and polishing machine capabilities against long-range production and quality requirements.","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.","ERP and inventory management systems — leverage at a departmental level to optimize tooling and consumable spend, aligning procurement cycles with production forecasts.","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.","Workforce scheduling and skill-gap analysis for grinding and polishing cells — conduct to ensure adequate coverage and capability across all shifts and part families.","Safety and compliance programs specific to abrasive machining operations — author and enforce, ensuring alignment with OSHA regulations and internal risk management policies.","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.","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."]}}},"sources":{"onet":"v30.2 (CC BY 4.0)","crosswalk":"https://skillscrosswalk.com","generator":"LER.me"},"attribution":"© EBSCOed"}