Cold worker (Rolling)
こーるどこう（あつえん）
Industry & Occupation
Classification
Summary
A job that rolls steel materials using a cold rolling mill to manufacture steel sheets and steel strips with specified thickness, width, and surface quality.
Description
Cold workers (rolling) use cold rolling mills (cold mills) to roll steel materials, adjusting thickness, width, and surface quality to meet specifications. The work involves passing steel sheets between rolls and repeatedly reducing them, while optimally setting roll gaps and rolling speeds. They are also responsible for measuring product dimensions, inspecting for surface defects, inspecting and maintaining machinery, safety management, creating production records, and collaborating with other processes to maintain stable production and high quality.
Future Outlook
Although mechanization will advance due to the progress of automation and IoT, the demand for skilled workers with advanced process management capabilities is expected to remain.
Personality Traits
Good cooperativeness / High safety awareness / Meticulous / Strong sense of responsibility
Work Style
Factory work / Line production / Night shift / Shift work / Team work
Career Path
Operator apprentice → Cold worker → Shift leader/group leader → Production technology → Factory manager
Required Skills
Cold rolling mill operation / Dimension measurement with micrometer / Machine maintenance and inspection / Surface defect inspection
Recommended Skills
Machine maintenance / Metallurgy / Quality control techniques (QC) / Safety management knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because even slight thickness variations or surface defects affect product quality. |
| Physical Stamina & Endurance | Due to prolonged standing work and handling heavy steel materials. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because the work mainly follows predetermined processes. |
Related Qualifications
- Crane operator
- Forklift operation skills training
- Slinging skills training
Aliases
- Cold roller
- Cold rolling worker
Related Jobs
- Finishing worker
- Hot rolling worker
- Steelworker