Core maker
いものなかごこう
Industry & Occupation
Classification
Summary
A job that manufactures hollow-shaped parts (cores) for metal casting and finishes them to a state ready to be set in the mold.
Description
Core makers are specialists who manufacture hollow-shaped parts (cores) placed inside during metal casting. They mainly mix sand with resin or cement-based binders, blow it into core boxes (core patterns), and solidify and bake it. After baking, they inspect dimensions and surfaces, remove burrs, polish, and supply to the casting process. They also handle stabilizing processes, reducing defect rates, managing mixing ratios and temperatures, machine maintenance, and quality inspection. Attention to safety management and dust control is required.
Future Outlook
Demand for casting of automotive and industrial machinery parts remains stable, and with the introduction of IoT and automation technologies, the importance of personnel skilled in automated and high-precision core manufacturing increases.
Personality Traits
Work Style
Career Path
Core operator → Casting operator → Manufacturing line leader → Production manager
Required Skills
Core box operation / Dimensional measurement inspection / Heating furnace operation / Sand-binder mixing management
Recommended Skills
Forklift operation / Maintenance inspection knowledge / Resin core molding
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | To prevent variations in dimensions and quality |
| Physical Stamina & Endurance | Because handling heavy sand and cores and standing for long periods is common |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because work is performed following established procedures |
Aliases
- Core maker
- Core manufacturing worker
- Sand core maker
Related Jobs
- Caster
- Metal processor
- Mold maker