Ball Mill Operator (Quarry)
ぼーるみるうんてんこう（さいせきこうじょう）
Industry & Occupation
Classification
Summary
This occupation involves operating a ball mill in a crushed stone factory to crush raw stones into aggregates or fine powders.
Description
A ball mill operator in a crushed stone factory operates a ball mill (rotary crusher) to crush and grind raw stones to the specified particle size. Monitors mill rotation speed, feed rate, and lubrication status, and sets operating parameters. Performs regular inspections, cleaning, and greasing for maintenance, and conducts initial response and troubleshooting in case of abnormalities. Understands the characteristics of wet and dry crushing, manages particle size and quality, and checks safety devices and control systems.
Future Outlook
Stable due to demand in construction and civil engineering fields, but acquiring advanced operation and maintenance skills, as well as remote monitoring technology using IoT, will be important due to progress in automation and labor reduction.
Personality Traits
Excellent observation skills / High safety awareness / Meticulous / Strong sense of responsibility
Work Style
Indoor factory work / Shift work / Team work / Wearing work clothes and safety equipment
Career Path
Ball Mill Operator Apprentice → Ball Mill Operator → Equipment Maintenance Technician → Manufacturing Line Leader → Factory Manager
Required Skills
Ball Mill Operation / Crushing Condition Setting / Maintenance Inspection / Measurement and Control Equipment Operation
Recommended Skills
Basic Machine Maintenance Knowledge / Particle Size Control / Quality Control / Safety and Health Management
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Attention to detail is necessary to detect crushing quality or equipment abnormalities without missing subtle changes. |
| Physical Stamina & Endurance | Physical stamina and endurance are required due to heavy part replacements and prolonged standing work. |
| Problem Solving | Initial response and cause identification skills are required for issues like mill clogging or abnormal vibrations. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Creativity is not particularly required as it follows standardized work procedures. |
Related Qualifications
- Forklift Operation Skills Training
- Slinging Skills Training
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