Enclosed Los Angeles Abrasion Machine - STMH-5

STMH-5 Enclosed Los Angeles Abrasion Machine

ASTM C131, EN1097-2, AASHTO T-96

Description: The los Angeles test is particularly noisy. Enclosed Los Angeles abrasion machine provides a special sound proof cabinet. This special sound proof cabinet reduces the noise thus permitting the operator’s exposure to be increased from one hour to the whold working day. The control panel is located on the outer wall.

Application: The Los Angeles Abrasion Machine is used as a quality control tool for aggregates, including crushed rock, gravel and slag. The testing method determines the degradation when subjected to abrasion, attrition, impact and grinding. The sample is placed in the drum along with a hardened steel abrasive charge. After rotating the drum a specific number of times, samples are removed and examined for wear.

Technical parameters:

1. Diameter x length=719 x 510 mm

2. Drum rotation speed: 30-33 rpm

3. Working voltage: AC380V or AC220V

4. Counter: 5 digits, adjustable, automatic shut-off; push-button reset and adjustment.

5. Set of 12 steel balls: 48mm, 390-445g;

6. Steel tray for specimen unloading

Features:

1. Driven by variable-speed induction motor

2. Heavy steel cylinder and base frame

3. Dust proof cover plate

4. Adjustable shelf positions

5. Safety stop button

6. Enclosed