Lithographic Stone Worker
せきいんざいこう
Industry & Occupation
Classification
Summary
Artisans and technicians who grind and shape the surface of lithographic stones used for lithographic printing to produce printing plates that enable image drawing and transfer.
Description
Lithographic stone workers are specialized technicians who mainly use limestone and other stones to manufacture printing plates for lithographs (lithographic printing). First, they remove irregularities from the lithographic stone using a coarse grinding machine, then smooth it with fine abrasives, and finally finish with polishing cloth, etc., to create a uniform flat surface. When creating the drawing surface, they use etching solution (acid solution) to control the hydrophilic and hydrophobic properties of the image areas and non-image areas. The work involves using high-precision calipers, profile scopes, and other measuring instruments to strictly manage the flatness and thickness of the plate surface. Safety measures are required for handling dust and chemicals, and physical strength and skill are needed to handle heavy lithographic stones.
Future Outlook
Due to the spread of digital printing technology, demand for lithographic printing is on a declining trend, but niche demand remains in art printing and special printing fields that seek traditional techniques.
Personality Traits
Dexterous with hands and good at detailed work / Meticulous / Patient / Strong sense of responsibility
Work Style
Day Shift / Factory Work / Indoor Work / Manual and Machine Work
Career Path
Apprentice Lithographic Stone Worker → Lithographic Stone Worker (Skilled Worker) → Group Leader/Leader → Factory Manager
Required Skills
Chemical Handling (Etching) / Flat Surface Grinding Machine Operation / Measuring Instrument Operation
Recommended Skills
Forklift Operation Training / Printing Plate Making Knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because even minute irregularities affect the quality of the printing plate surface. |
| Physical Stamina & Endurance | Because grinding thick lithographic stones is heavy labor requiring sustained physical stamina. |
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