AT-R7009 Akron Abrasion Test Machine China Manufacturer
Akron abrasion tester is used to determine the abrasion resistance of vulcanized rubber and other elastic materials such as soles, tires, chariot tracks. Through the friction between the sample and the grinding wheel at a certain inclination angle and under the specified load, the abrasion volume of the sample within a certain mileage is measured.
Test Principle
A disc-shaped test piece is mounted to the spindle and driven by an electric motor at a constant velocity. A free-running abrasive wheel is placed against the specimen by means of a mass acting via a pivoted crank. The planes of the specimen and the abrasive wheel shall be inclined at an angle of 15° or 25° to each other based on the specific test piece.
Each test is composed of a trial run, a wearing-in period and five test runs. The values of mass loss determined from the 5 test runs are measured with a balance to calculate the abrasion resistance index.
Test Standards
BS903 A9 Method B, GB/T 1689, CNS 734, JIS-K6264, etc.
Essential Technical Parameters
| Model | AT-R7009 |
| Grinding Wheel | Outside dia.: 150 mm, width: 25 mm, centre bore dia.: 32 mm
Grinding material: aluminium oxide, hardness: medium hard 2 Grit 36 # Rotating speed ( 34 ± 1 ) rpm |
| Specimen Rotating Speed(Optional) | ( 250 ± 5 ) r / min, ( 76 ± 2 ) r / min, ( 75 ± 5 ) r / min,
75 to 250 rpm |
| Specimen Slanted Angle | 0° ~ 45° adjustable ( Testing angle 15° or 25° ) |
| Specimen Grip | Dia.: 68 mm, thickness: 12.7 mm, Shore Hardness: 75 ~ 80 |
| Specimens | Outer dia.: 63.5 mm, inner dia.: 12.7 mm, 12.5 mm thick
Outer dia.: 68 mm, thickness: 12.7 mm, perimeter: 220 mm Outer dia.: 60 mm, inner dia.: 12.7 mm, 13 mm thick (or according to the standard) |
| Loads | 26.7 N, 44.1 N, 45 N |
| Counter | LCD display, 0 ~ 999,999 |
| Dimension | 54 x 52 x 45 cm |
| Weight | 57 kg |
| Power | 1 phase, AC 220V +/- 10%, 3 A or specified |
Akron Abrasion Tester Features
- Superior steel materials are used to form the testing machine.
- Revolution number can be preset and displayed explicitly on display.
- Akron Machine automatically stops once the preset number of times is reached.
- The inclined angle of the abrasive wheel’s plane to the test piece’s plane is adjustable from 0-35°.
- Different sizes of rubber wheels are optional.
- Two types of rubber axle rotating speed and load are available.
- It complies with different testing standards.
- It is easy for users to use and maintain.
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