Straight Ruler Maker
ちょくじゃくせいさくこう
Industry & Occupation
Classification
Summary
Artisan who uses metal or resin as materials and manufactures high-precision straight rulers (straightedge rulers) through processes such as cutting, grinding, and calibration.
Description
Straight Ruler Makers are specialists who manufacture straight rulers (straightedge rulers) for measuring parallel lines. After selecting and cutting materials, they use surface grinders and polishing machines to finish dimensions and surfaces, and perform dimensional inspection and calibration using micrometers, calipers, and surface plates. Precision management based on JIS standards and traceability records are also important tasks. Production often involves small quantities of multiple varieties, requiring appropriate tool selection and processing condition adjustments for each product.
Future Outlook
While steady demand is expected due to needs in automobiles and precision machinery, changes in job content are anticipated due to advances in digital measurement technology and automation, making the training of skilled workers and technology succession a challenge.
Personality Traits
Work Style
Day Shift / Indoor Factory Work / Manual Labor / Shift Work / Small Batch, Multi-Variety Production
Career Path
Straight Ruler Making Assistant → Straight Ruler Maker → Senior Maker → Quality Control Staff → Manufacturing Manager → Technical Instructor
Required Skills
Calibration Techniques / Dimensional Measurement / Grinder and Polishing Machine Operation / Metal Cutting and Forming Technology / Surface Finishing
Recommended Skills
CAD Drafting Basics / Measurement Software Operation / NC Programming / QC Techniques
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | To ensure accuracy down to the micron level. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because the work mainly involves producing standard products, where originality is not particularly required. |
Related Qualifications
- Certified Metrologist
- Metal Processing Skills Master
- National Skills Test (Machine Inspection)
Related Jobs
- Machine Machinist
- Measuring Instrument Adjuster
- Ruler Maker
- Tool Maker