Career Overview
Set up, operate, or tend machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber.
Also Known As
- Grinder
- Machine Operator
- Miller
- Preparation Operator (Prep Operator)
Alternate Job Titles
- Abrasive Grinder
- Air Bag Buffer
- Air Chipper
- Automatic Blocker
- Automatic Buffer
- Automatic Corn Grinder Operator
- Automatic Grinding Machine Operator
- Automatic Pattern Edger
- Back Grinder
- Ball Truing Machine Operator
- Bark Grinder
- Barytes Grinder
- Beater Engineer
- Bed Rubber
- Beveler
What You'll Do
In this role, your typical responsibilities include:
- Observe operation of equipment to ensure continuity of flow, safety, and efficient operation, and to detect malfunctions.
- Clean, adjust, and maintain equipment, using hand tools.
- Tend accessory equipment, such as pumps and conveyors, to move materials or ingredients through production processes.
- Move controls to start, stop, or adjust machinery and equipment that crushes, grinds, polishes, or blends materials.
- Notify supervisors of needed repairs.
- Weigh or measure materials, ingredients, or products at specified intervals to ensure conformance to requirements.
- Record data from operations, testing, and production on specified forms.
Essential Skills
Success in this career requires strong skills in:
- Operations Monitoring
- Operation and Control
Key Abilities
This career requires key abilities in:
- Manual Dexterity
- Control Precision
- Reaction Time
- Near Vision
- Multilimb Coordination
- Rate Control
- Arm-Hand Steadiness
- Problem Sensitivity
- Finger Dexterity
- Perceptual Speed
Work Style
People who excel in this career typically demonstrate:
- Dependability
- Cautiousness
- Attention to Detail
- Stress Tolerance
- Perseverance
What Matters in This Career
This career tends to satisfy these work values:
- Support
- Relationships
- Working Conditions
- Achievement
- Recognition
Education & Preparation
Typical Education: High School Diploma - or the equivalent (for example, GED)
Related Work Experience Needed: Over 2 years, up to and including 4 years
On-the-Job Training: Over 1 month, up to and including 3 months
Education Details: Usually requires a high school diploma or GED, though some occupations may not.
Experience Required: Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training.
Technology You'll Use
Popular Technologies & Software
- Microsoft Excel
- Microsoft Office software
- Microsoft Word
- SAP software
Tools & Equipment
- Adjustable wrenches
- Ammeters
- Belt scales
- Chipping hammers
- Claw hammers
- Comealongs
- Desktop computers
- Dollies
- Forklifts
- Front end loaders
- Grease guns
- Handtrucks
- Holding clamps
- Hole cutters
- Hole punches
Work Environment
- Wear Common Protective or Safety Equipment such as Safety Shoes, Glasses, Gloves, Hearing Protection, Hard Hats, or Life Jackets
- Face-to-Face Discussions with Individuals and Within Teams
- Spend Time Using Your Hands to Handle, Control, or Feel Objects, Tools, or Controls
- Freedom to Make Decisions
- Health and Safety of Other Workers
Salary & Job Market
| Salary Percentile | Annual Wage |
|---|---|
| Entry-Level (10th percentile) | $35,380 |
| Median | $46,890 |
| Top Earners (90th percentile) | $65,980 |
Workers Employed Nationally: 28,550
Related Careers
If you're interested in this career, you might also consider:
Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $45,190
Grinding and Polishing Workers, Hand
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $41,690
Machine Feeders and Offbearers
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $39,700
Cutting and Slicing Machine Setters, Operators, and Tenders
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $45,700
Tool Grinders, Filers, and Sharpeners
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $48,970
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Occupational data sourced from the O*NET OnLine database, developed by the U.S. Department of Labor, Employment and Training Administration. Wage data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS), 2024.

