Los Angeles Abrasion Tester (JTG E42)
Applicable standards:
JTG 3432-2024 "Aggregate Test Regulations for Highway Engineering" : The T0317-2005 Los Angeles method for coarse aggregate wear test in this standard specifies the specific requirements, test methods and data processing of the Los Angeles wear tester.
Main parameters:
Cylinder:
Inner diameter: 711mm±5mm
Length: 508mm±5mm
Wall thickness: 12.0mm±0.5mm
Feeding port （cylinder surface） width: 150mm±3mm
Cover width （may vary by model） : 190mm, etc
Bulkhead （may be equipped, depending on model） : Protrusion size, thickness, distance from edge, etc. are specified
Speed: The cylinder's speed is usually between 30r/min and 33r/min.
Counter: The number of counter bits is usually 4 or 5 bits, which can be automatically digital display and preset rotation times. Some models have a maximum set value of 9999 times or more.
Steel Ball:
Diameter: between 45.6mm and 47.6mm, the exact diameter may vary slightly depending on the test requirements.
Mass: The mass of a single steel ball is between 390g and 445g. The size and mass of a set of steel balls may vary slightly, but the average diameter and average mass must meet the specified requirements. The average diameter is 46.8mm and the average mass is about 420g.
Quantity: The number of steel balls in a set is usually 12, 15, or other specified quantity.
Working power supply: AC380V 50Hz AC power is usually used, and the power is about 1.5Kw.
Overall dimensions and weight:
Dimensions: May vary by model, such as 850mm×1100mm×1550mm, etc.
Weight: May vary by model and material, e.g. 320kg or so.
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