Trimmer Worker (Metal Processing)
とりまーこう（きんぞくかこう）
Industry & Occupation
Classification
Summary
Specialist who uses trimmer machines or hand-held trimmers to perform finishing processes such as deburring, chamfering, and polishing on metal parts to improve product quality.
Description
Trimmer workers (metal processing) mainly use trimmer machines or handheld trimmer tools to perform finishing processes such as deburring, chamfering, and polishing on metal parts. Based on product drawings and processing instructions, they select and adjust tools, rotation speeds, and feed rates, and confirm quality using dimensional measuring instruments. They handle a wide range of products from mass production lines to prototypes, playing a crucial role in manufacturing processes that affect precision and finish quality. The work involves a lot of standing, and maintenance of machines and safety and health management are also required.
Future Outlook
Although some processes will be automated due to advances in 3D printers and automation technology, the demand for manual precision finishing is expected to remain. Challenges include skill succession and acquiring advanced skills for higher value-added production.
Personality Traits
Dexterous Hands, Good at Fine Work / High Concentration / Meticulous / Strong Sense of Responsibility
Work Style
Career Path
Trimmer Worker Apprentice → Trimmer Worker → Processing Operator → Production Management Position → Manufacturing Department Manager
Required Skills
Cutting Tool Selection / Deburring and Chamfering / Dimensional Measurement / Trimmer Machine Operation
Recommended Skills
Basic Machine Maintenance / CAD Drawing Interpretation / Safety and Health Management / Tool Grinding and Cutting Condition Optimization
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | The precision of fine burrs and chamfering directly affects product quality. |
| Physical Stamina & Endurance | Requires long hours of standing and manual work, demanding endurance. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Mainly follows prescribed procedures, so creativity is not particularly required. |
| Numerical & Quantitative Analysis | Advanced mathematical analysis is rarely needed. |
Related Qualifications
- Machining Skills Certification (Grade 3)
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