Aggregate Testing
Los Angeles Abrasion Machine
The machine is used for testing crushed slag, crushed and uncrushed gravel for resistance to abrasion. It determines the percentage wear due to the relative rubbing action between the aggregates and steel balls as abrasive charge.
General Description & Specifications
- Hollow steel cylinder (700mm ID x 500mm length)
- Mounted on sturdy frame with high-quality ball bearings
- Removable bolted cover with dust-tight seal
- Driven by electric motor through heavy-duty reduction gear
- Rotation speed of 30-33 RPM for standardized testing
- Complete with revolution counter and push button starter
Technical Specifications
| Internal Drum Diameter | 700 mm |
| Internal Drum Length | 500 mm |
| Rotation Speed | 30 - 33 rpm |
| Abrasive Charge | Set of 12 spheres (48mm dia) |
| Sphere Weight | 390 - 445 grams each |
Optional Accessories
- Laboratory Oven
- Test Sieve 1.7mm
- Electronic Balance (15 kg x 1 gm)
- Spare Abrasive charge