Crushing Roll Operator (Quarry)
くらっしんぐろーるうんてんこう（さいせきじょう）
Industry & Occupation
Classification
Summary
Operates crushing rolls (stone crushers) at quarries to crush and adjust quarried raw stones to the specified particle size.
Description
Crushing roll operators at quarries feed raw stones from the feeder into the crusher and adjust the gap between rollers to produce crushed stones of the specified size. They perform daily inspections, lubrication management, checks and handling of abnormal vibrations or clogs, and start/stop operations in accordance with safe work procedures. They conduct periodic replacement of worn parts and simple maintenance, create production records, and maintain quality and production volume.
Future Outlook
Stable demand is expected due to steady infrastructure development and civil engineering needs, but with advancing automation and labor-saving technologies, skills in machine maintenance and remote operation will be increasingly important in the future.
Personality Traits
High Safety Awareness / Meticulous / Patient / Strong Sense of Responsibility
Work Style
Indoor Work / Mainly Outdoor / Shift Work / Team Work
Career Path
Quarry Worker → Crushing Roll Operator → Quarry Machine Supervisor → Production Management Staff → Plant Manager
Required Skills
Compliance with Safe Work Procedures / Crusher Operation / Crushing Roll Operation / Machine Lubrication Management
Recommended Skills
Machine Maintenance Knowledge / Production Management / Quality Control / Vibration and Noise Management
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because the accuracy of particle size after crushing determines quality. |
| Physical Stamina & Endurance | Because outdoor work and machine inspections require physical stamina. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Numerical & Quantitative Analysis | Because numerical adjustments are simple and advanced quantitative analysis is minimal. |
Related Qualifications
- Forklift Operation Skills Training
- Slinging Skills Training
- Vehicle-Type Construction Machinery Operator's License
Related Jobs
- Bulldozer Operator
- Earth and Sand Extraction Machine Operator
- Quarry Worker
- Shovel Car Operator
- Stone Processing Worker