Automatic Wheel-Tracking Tester GD-0719B

Features :

  1. It adopts PWM modulator control , simultaneous control:
  2. Water temperature in water tank during water immersed wheel track test.
  3. Ambient temperature of constant temperature chamber.
  4. The constant temperature chamber adopts outside circulatory heating mode. The uniformity and stability is good. No overshoots.
  5. It shows time- displacement curves and time- temperature curves during a test, which provide practical basis for the research institutes to study the wheel-track properties of Bitumen mixtures.
  6. Absolute temperature sensor is used to collect the temperature, so there is no temperature drift for a long time test (The effect of the temperature shift of the general thermocouple temperature sensor on the test data is eliminated).
  7. The mechanical structure adopts the wheel movement method, which is the same with foreign products. The test data is closer to the actual situation.
  8. This instrument is two wheels, scientific Research Type wheel-tracking tester. It can determine both water immersion or non-immersion wheel-tracking test.

Specifications :

Applicable Standards:  T0719-2011 in the industry standard JTG E20-2011 of Chinese Ministry of Transport.
Walking speed of a dolly: 42 times/min+1time/min (one way).
Walking distance of a dolly: (230±10)mm.
Rubber Hardness of test wheel: 78±2 (International Standard Hardness).
Grounded pressure of the test wheel: (0.7 ± 0.05) Mpa (at 60℃), adjustable to 0.8, 0.9Mpa.
Displacement detection range: (0 to 30) mm.
Displacement detection accuracy: less than ±0.01mm.
Test time: (60-240) min.
Temperature controlling range: Ambient temperature to 80℃ (can be set up optionally), control accuracy ±0.5℃.
Overall size of the machine:  1520mm*1100mm*1450mm.
Weight of the machine: 400kg.
Test mold size: 300mm × 300mm × 50mm (standard), wheel-track test to the thickness of (30 ~ 100) mm of test mold.

Catalog : PDF




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