Doubling Yarn Inspector
ごうしけんさこう
Industry & Occupation
Classification
Summary
This occupation involves inspecting the finishing condition of doubling yarn visually or by measurement, sorting and reporting defective or non-standard products.
Description
A doubling yarn inspector examines the quality of spun or twisted doubling yarn (yarn made by twisting multiple fibers together). In addition to visual detection of defects such as slubs (thick parts), breaks, and foreign matter contamination, they use strength testing machines and tension meters to measure tensile strength and elongation, and compare them against standard values. Inspection results are compiled into records and reports, defective products are removed from the line, and they also participate in root cause analysis and proposals for preventing recurrence. They work in factory quality control departments or production lines, and may also be responsible for maintaining the work environment based on 5S and QC methods.
Future Outlook
While doubling yarn inspection is advancing toward automation using image analysis and AI, skilled visual inspection techniques are still essential for detecting minute defects and exceptional cases. Future challenges include building hybrid systems combining real-time monitoring with IoT sensors and manual inspection, as well as skill inheritance and advancement.
Personality Traits
High Concentration / Methodical / Patient / Strong Sense of Responsibility
Work Style
Factory Work / Shift Work / Standing Work / Uniform Provided
Career Path
Inspection Staff → Inspection Line Leader → Quality Control Staff → Quality Assurance Department Staff
Required Skills
Inspection Record and Report Creation / Measurement Instrument Operation / Understanding Quality Standards / Visual Inspection
Recommended Skills
5S Activities / Data Management / QC Techniques (QC7 Tools) / Textile Product Quality Management
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Requires meticulous attention to detail to not miss subtle abnormalities or defects in the yarn. |
| Physical Stamina & Endurance | Requires physical stamina due to prolonged standing work. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Requires little creativity, as it follows prescribed inspection procedures. |
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