Raw Rubber Kneader
げんりょうごむねりこう
Industry & Occupation
Classification
Summary
A job that manufactures rubber compounds by blending various additives into synthetic or natural rubber using machines such as mixers.
Description
Raw rubber kneaders blend additives such as sulfur, softeners, and reinforcing agents into natural or synthetic rubber in prescribed proportions, and use kneading machines (such as Banbury mixers or open mixers) to produce uniform rubber compounds. Tasks include measuring raw materials, confirming blending designs, operating machines, managing temperature and time, sampling and measuring hardness and viscosity to maintain quality. They also handle creation of manufacturing records, daily machine inspections, cleaning, and safety measures. Coordination with production lines and adjustments during troubles are important duties.
Future Outlook
In the rubber products industry, the importance of compounding technology and quality control is increasing due to environmentally friendly materials and changes in automotive applications. On the other hand, with advances in automation and labor saving, the demand for personnel with advanced skills such as machine maintenance and process management is expected to remain stable.
Personality Traits
Good Team Player / Meticulous / Physically Fit / Strong Sense of Responsibility
Work Style
Career Path
Manufacturing Operator → Line Leader → Manufacturing Manager → Production Engineer
Required Skills
Blending Calculation / Kneader Operation / Material Measurement / Quality Inspection (Hardness and Viscosity Measurement) / Temperature Control
Recommended Skills
JIS Standards Knowledge / Machine Maintenance (Basic) / Safety and Health Knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because precision in blending ratios, temperature, and time management directly affects quality. |
| Physical Stamina & Endurance | Because handling heavy objects and standing work require physical stamina. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because the work mainly follows recipes and procedures. |
Aliases
- Rubber Compound Mixer
- Rubber Kneader
Related Jobs
- Rubber Molder
- Rubber Product Finisher
- Tire Manufacturer