Polished Stone Value Accelerated Polishing Machine
| Product code | CMI-IND-0016 |
| Categories | Aggregates and Rock Testing Equipment |
| Standards | Manufactured to IS / BS / EN / ASTM / AASHTO as applicable |
| Supply | India and export — 90+ countries |
- Description
Accelerated polishing machine that simulates tyre wear on road aggregates, used with a pendulum tester to derive the polished stone value for skid resistance. Used by highway research labs.
Specification
Prepared aggregate specimens are mounted on a wheel and polished by a rubber-tyred wheel with emery and corn flour abrasives for fixed hours. The resulting PSV indicates long-term skid resistance of surfacing stone. The machine is essential for qualifying aggregates for wearing courses.
Features
- Rotating road wheel carrying 14 curved specimens
- Rubber tyred contact wheel with controlled load
- Automatic feed of emery and water
- Digital timer with auto stop
- Rugged cast iron frame
Technical Specifications
| Specimen capacity | 14 moulds per wheel |
| Road wheel speed | 320 +/- 5 rpm |
| Contact load | 725 +/- 10 N |
| Abrasive feed | Emery flour and corn emery, water |
| Test duration | 3 hours each abrasive stage |
| Standards | BS EN 1097-8, BS 812-114, IS 2386 |
| Power supply | 415 V, 3 phase, 50 Hz |
Standard Accessories
- Specimen moulds
- Contact tyre
- Abrasive feeders
Polished Stone Value Accelerated Polishing Machine suppliers in India
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