ASTM Los angeles abrasion testing machine procedure factory
ASTM Los angeles abrasion testing machine procedure factory
The Los Angeles Abrasion Machine is used for determination of the aggregates resistance to fragmentation. The machine consists of an electronic control unit and a rolled steel drum having an inside diameter of 711 mm and internal length of 508 mm. The drum is rotated at a speed of 30-33 r.p.m. The machine is equipped with an automatic counter, when the preset revolution count is reached, the machine will stop automatically. The drum is equipped with an interlock device which allows the operator to lock the drum into position for easy loading/unloading of the sample.
| No. | Item | Specifications |
| 1 | Charging Barrel Inner Diameter | 711±2mm |
| 2 | Charging Barrel Inner Length | 580±2mm |
| 3 | Barrel Wall Thickness | 10mm |
| 4 | Rotating speed | 30 ~ 33r/min |
| 5 | Steel ball | Φ46mm—400g: 7 Nos |
| Φ47.625mm—440g: 5 Nos | ||
| 6 | Total weight of steel ball | 5000 ± 50g |
| 7 | Counter | Maximum 6 bits adjustable |
| 8 | Counter pre-set number | 1-9999/times |
| 9 | Motor | 380VAC, 50Hz, 1.1kW |
| 10 | Dimensions | 900*1000*1100mm |
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Fast Delivery
Delivery time for sample: 1-2 working days; bulk order: 3 weeks; The goods can be shipped by DHL within 4 days.