Career Overview
Make or form wax or sand cores or molds used in the production of metal castings in foundries.
Also Known As
- Core Machine Operator
- Core Maker
- Coremaker
- Molder
Alternate Job Titles
- Airset Caster
- Airset Molder
- Bond Runner
- Core Baker
- Core Drier
- Core Machine Operator
- Core Maker
- Core Microarchitect
- Core Oven Tender
- Core Paster
- Core Piler
- Core Rescuer
- Core Setter
- Core Stacker
- Core Sticker
What You'll Do
In this role, your typical responsibilities include:
- Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
- Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
- Position patterns inside mold sections, and clamp sections together.
- Position cores into lower sections of molds, and reassemble molds for pouring.
- Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
- Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.
- Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
Key Abilities
This career requires key abilities in:
- Trunk Strength
- Manual Dexterity
- Arm-Hand Steadiness
- Static Strength
- Finger Dexterity
- Multilimb Coordination
- Near Vision
- Problem Sensitivity
- Reaction Time
- Control Precision
Work Style
People who excel in this career typically demonstrate:
- Attention to Detail
- Dependability
- Cautiousness
- Stress Tolerance
- Perseverance
What Matters in This Career
This career tends to satisfy these work values:
- Support
- Relationships
- Independence
- Working Conditions
- Achievement
Education & Preparation
Typical Education: High School Diploma - or the equivalent (for example, GED)
On-the-Job Training: Over 3 months, up to and including 6 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
- Autodesk AutoCAD
- Dassault Systemes SolidWorks
Tools & Equipment
- Abrasive stones
- Allen wrench sets
- Angle plates
- Bench vises
- Buffing machines
- Centrifugal casting machines
- Chain hoists
- Core blowers
- Core machines
- Coremaking machines
- Crane ladles
- Crucible furnaces
- Cupola furnaces
- Desktop computers
- Dial calipers
Work Environment
- Wear Common Protective or Safety Equipment such as Safety Shoes, Glasses, Gloves, Hearing Protection, Hard Hats, or Life Jackets
- Indoors, Not Environmentally Controlled
- Exposed to Contaminants
- Exposed to Very Hot or Cold Temperatures
- Spend Time Standing
Salary & Job Market
| Salary Percentile | Annual Wage |
|---|---|
| Entry-Level (10th percentile) | $36,220 |
| Median | $45,700 |
| Top Earners (90th percentile) | $61,390 |
Workers Employed Nationally: 12,720
Related Careers
If you're interested in this career, you might also consider:
Molders, Shapers, and Casters, Except Metal and Plastic
Education: Not specified
Median Salary: $45,690
Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $41,230
Fiberglass Laminators and Fabricators
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $45,760
Grinding and Polishing Workers, Hand
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $41,690
Refractory Materials Repairers, Except Brickmasons
Education: High School Diploma - or the equivalent (for example, GED)
Median Salary: $58,540
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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.

