Load Wheel Testermodel: HAD/SYD-0755

1、 Instrument Introduction

HAD/SYD-0755Type load wheelThe testing instrument is designed and manufactured in accordance with the requirements of T 0755-2011 "Load wheel sand adhesion test for slurry mixtures" in the industry standard JTG E20-2011 "Test Code for Asphalt and Asphalt Mixtures in Highway Engineering" of the People's Republic of China. It is suitable for controlling the upper limit of asphalt content in slurry mixtures and determining the optimal asphalt content of slurry mixtures together with wet wheel abrasion test.

2、 Main technical indicators

1. Rolling frequency: 44 times/min ± 1 time/min;

2. Crank radius: 152mm±2mm；

3. Rubber wheel size: diameter 76.5mm ± 1mm, width 26.0mm ± 1.0mm;

4. Rubber wheel hardness: Between HRC60 and HRC70;

5. Rubber wheel loading weight: total weight of the car when placed flat56.7㎏±0.5㎏；

6. Trial mold: available in two thicknesses of 6.4mm and 12.7mm, selected as needed, with internal dimensions of 50mm × 380mm;

7. Sand frame: internal dimensions are 355.0 mm in lengthX Width 38.0mmThickness of 0.5mm ；

8. Steel cover plate: dimensions are 353mm in length and 36mm in width×Height of 3mm;

9. External dimensions:1400㎜×260㎜×450㎜(length x width x height);

10. Working power supply: AC three-phase 380V/50Hz, motor power 550W.