Occupation · SOC 51-9021

Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders

Set up, operate, or tend machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber.

Median wage
$46,890
$35,380–$65,980
Projected growth
Annual openings
per year
Employed (US)
28,550
Job Zone 2
Typical preparation
Some preparation
Stackable credential programs
0 mapped

Core skills

Operations MonitoringOperation and ControlQuality Control AnalysisMonitoringTime ManagementSpeakingReading ComprehensionJudgment and Decision MakingCoordinationActive ListeningWritingTroubleshootingSystems AnalysisInstructingEquipment MaintenanceCritical ThinkingComplex Problem SolvingSocial PerceptivenessRepairingActive LearningSystems EvaluationPersuasionLearning StrategiesService OrientationMathematicsManagement of Personnel ResourcesEquipment SelectionNegotiationScienceManagement of Material ResourcesManagement of Financial ResourcesTechnology DesignProgrammingOperations AnalysisInstallation

Knowledge areas

Administration and ManagementProduction and ProcessingEnglish LanguageEducation and TrainingPublic Safety and SecurityMathematicsMechanicalAdministrativeCustomer and Personal ServiceComputers and ElectronicsPersonnel and Human ResourcesEconomics and AccountingFood ProductionLaw and GovernmentSales and MarketingEngineering and TechnologyPsychologyTransportationBuilding and ConstructionPhysicsForeign LanguageBiologyChemistryDesignGeographySociology and AnthropologyTelecommunicationsCommunications and MediaPhilosophy and TheologyHistory and ArcheologyMedicine and DentistryTherapy and Counseling

Technology & tools

Email softwareMicrosoft ExcelMicrosoft Office softwareMicrosoft WordSAP softwareSpreadsheet softwareWord processing software

Representative tasks

Monitoring Processes, Materials, or SurroundingsCommunicating with Supervisors, Peers, or SubordinatesGetting InformationControlling Machines and ProcessesHandling and Moving ObjectsInspecting Equipment, Structures, or MaterialsDocumenting/Recording InformationMaking Decisions and Solving ProblemsIdentifying Objects, Actions, and EventsEvaluating Information to Determine Compliance with StandardsPerforming General Physical ActivitiesProcessing InformationUpdating and Using Relevant KnowledgeOrganizing, Planning, and Prioritizing WorkEstablishing and Maintaining Interpersonal RelationshipsWorking with ComputersOperating Vehicles, Mechanized Devices, or EquipmentRepairing and Maintaining Mechanical EquipmentTraining and Teaching OthersInterpreting the Meaning of Information for OthersEstimating the Quantifiable Characteristics of Products, Events, or InformationCoordinating the Work and Activities of OthersProviding Consultation and Advice to OthersMonitoring and Controlling ResourcesAssisting and Caring for OthersAnalyzing Data or InformationDeveloping and Building TeamsJudging the Qualities of Objects, Services, or PeoplePerforming Administrative ActivitiesScheduling Work and ActivitiesCoaching and Developing OthersRepairing and Maintaining Electronic EquipmentResolving Conflicts and Negotiating with OthersDeveloping Objectives and StrategiesThinking CreativelyGuiding, Directing, and Motivating SubordinatesDrafting, Laying Out, and Specifying Technical Devices, Parts, and EquipmentStaffing Organizational UnitsSelling or Influencing OthersCommunicating with People Outside the Organization

Competency framework

Skill expectations by proficiency level.

emerging
Crushing and grinding machine controls — identify and operate under direct supervisor guidance on a production floor.Equipment malfunctions and flow irregularities — recognize and report to a supervisor during monitored machine runs.Hand tools and basic cleaning supplies — use to clean and wipe down equipment surfaces following a posted maintenance checklist.Accessory equipment such as pumps and conveyors — tend under direct instruction to move materials through a basic production process.Raw materials and finished products — weigh and measure at specified intervals using calibrated scales under close supervision.Defective output samples — identify and set aside for supervisor review according to facility quality standards.Production log forms — record basic operational data and shift counts with guidance from a lead operator.Personal protective equipment and site safety rules — follow consistently at all times on the plant floor.Supervisor repair notifications — communicate verbally and in writing when equipment issues are observed during a shift.Standard operating procedure documents — read and follow step-by-step to start and stop assigned crushing or grinding machines.
developing
Crushing, grinding, and polishing machine settings — adjust and control independently to maintain consistent material output within specification.Equipment flow and operational continuity — monitor across a full shift and make routine corrections without supervisor prompting.Hand tools and lubrication supplies — use routinely to clean, adjust, and maintain equipment according to a preventive maintenance schedule.Pump and conveyor accessory systems — tend and troubleshoot to keep material moving efficiently through multi-step production processes.Material weights and measurements — record and compare against production specifications at defined intervals to ensure conformance.Defective products — reject and readjust machine parameters to correct recurring quality problems within familiar process conditions.Spreadsheet and word processing software — enter and organize daily production and testing data on electronic forms.Operational changes and repair needs — communicate clearly to supervisors and peers using accurate production terminology.Time and task priorities — manage across concurrent machine assignments to minimize downtime during a standard production shift.Quality control inspection steps — apply consistently to sampled materials, documenting results on required forms with minimal errors.
proficient
Full range of crushing, grinding, and polishing equipment — operate and control autonomously across diverse material types and production conditions.Non-routine equipment malfunctions — diagnose root causes and implement corrective adjustments without waiting for supervisor direction.Preventive and corrective maintenance tasks — perform independently using a full set of hand tools to minimize unplanned production stoppages.Accessory pump, conveyor, and blending systems — oversee and fine-tune to optimize material flow across a complete production line.Measurement data and quality control records — analyze trends over time to identify process drift and recommend specification adjustments.Defective product patterns — evaluate systematically, adjust multiple machine parameters, and verify resolution through follow-up sampling.Enterprise resource planning (ERP) software — input production data, track material consumption, and generate shift summary reports accurately.Equipment repair needs — assess severity, prioritize, and communicate detailed findings to maintenance and supervisory staff to expedite resolution.Safety and operational risks — evaluate in real time and apply sound judgment to stop or adjust processes before incidents occur.Production schedules and quality targets — coordinate personal workflow to consistently meet or exceed output and conformance requirements.
advanced
Machine setup standards and operating procedures — develop and document for the full crushing, grinding, and polishing equipment suite used at the facility.New operator onboarding and skills training — lead structured on-the-job instruction sessions that build proficiency from day one through independent operation.Facility-wide production flow and equipment reliability — oversee and continuously improve to maximize throughput and minimize material waste.Quality control systems and inspection criteria — establish, audit, and refine across the production line to ensure sustained conformance to specifications.Preventive maintenance programs — design and implement schedules for all accessory and primary equipment to extend service life and reduce downtime.ERP and production reporting systems — champion adoption and accurate use across the operator team to support data-driven management decisions.Cross-functional communication between production, maintenance, and management — facilitate to resolve complex equipment and process challenges at organizational scale.Safety culture and regulatory compliance — model and reinforce through daily practice, toolbox talks, and participation in site-level safety reviews.Performance metrics and production KPIs — analyze shift, weekly, and monthly data to identify gaps and lead corrective action planning with supervisors.Process improvement initiatives — lead evaluations of equipment configurations, material handling methods, and operator practices to raise departmental efficiency.

Also known as

284 alternate job titles map to this occupation.

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