New standard Los Angeles abrasion testing machine

NegotiableUpdate on 06/26

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The new standard Los Angeles abrasion testing machine meets the technical requirements of the "Code for Testing Aggregates in Highway Engineering" (JTG3432-2024), and is used to determine the abrasion value of coarse aggregate dropping machines to evaluate the crushing resistance of aggregates. $r $n Technical parameters: $r $n1. Cylinder inner diameter: 711 5mm barrel inner length: 508 5mm cylinder wall thickness: 12 0.5mm. $r $n2. Feeding port width: 150 3mm lid width: 190mm $r $n3. Partition size: 89 2mm partition thickness: 25 1mm

Product Details

New standard Los Angeles abrasion testing machineSatisfy the technical requirements of the "Code for Testing Aggregates in Highway Engineering" (JTG3432-2024), used to determine the wear value of coarse aggregate falling sand machine, in order to evaluate the crushing resistance of aggregates.

Technical parameters:

1. Cylinder inner diameter: 711 ± 5mm Barrel inner length: 508 ± 5mm Cylinder wall thickness: 12 ± 0.5mm.

2. Feeding port width: 150 ± 3mm Cover width: 190mm

3. Partition size: 89 ± 2mm Partition thickness: 25 ± 1mm

4. Speed: 30-33 revolutions per minute.

5. Counter: 4-digit, automatic recording, can be pre-set according to requirements.

6 steel balls: Each steel ball has a diameter of 45.6-47.6mm and a mass of 390-445g. A group of steel balls has slightly different sizes, with an average diameter of 46.8mm and an average mass of 420g, in order to be combined into a total mass that meets the requirements. 15 steel balls are randomly equipped.

7. Dimensions: 1500mm × 820mm × 1100mm.

8. Whole machine weight: 300kg

Overview:

New standard Los Angeles abrasion testing machineIt is a method of using coarse aggregate with a specified roughness and quantity, and adding steel balls of a specified quantity and quality to the abrasion machine. After a certain number of rotations, the sample undergoes abrasion under the combined action of friction, impact, shear, etc. between itself and the steel balls. The mass loss is measured as the abrasion rate.

For cement concrete aggregates, they should be prepared and screened according to the particle size composition specified in Table 4-1, and the quantity and quality of steel balls should be determined according to this regulation. When the actual material does not match this table, select the particle size category that is similar to Table 4-2, determine the corresponding test conditions, prepare the material according to regulations, and select the steel ball.