Research Type Automatic Wheel Track Tester
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GD-0719A Research Type Automatic Wheel Track Tester
Summary:
This instrument is designed and made as per industrial standard T0719-2011 Wheel Track Test for Bituminous Materials in JTG E20-2011 Standard Test Methods
of Bitumen and Bituminous Mixtures for Highway Engineering. It is used to determine the wheel track resistance property of bituminous mixtures under high
temperature condition(Immersed in water or not immersed in water).
Main Technical Features:
PWM temperature control. It can control :
(1)Water temperature in chamber during water immersed wheel track test
(2) Ambient temperature of constant temperature chamber at a time.
The constant temperature chamber adopts outside circulatory heating mode. The uniformity and stability is good. No overshoots.
It shows time- displacement curves and time- temperature curves during a test.
It equips an absolute temperature sensor. No temperature drift in a long time test.
The mechanical structure adopts wheel movement mode.
One wheel tester. It can determine both water immersion test or no water immersion test.
Main Technical Specifications:
Sample size: 300mm*300mm*(30~200)mm (Grinding wheel molding)
300mm*15mm*50mm(Cutting on site)
Working mode: Rod drive
Rubber hardness: 782 at 60C,international standard.
Test wheel movement: 230mm10mm
Grinding rate: (421)times/min (21 times of returns/min);
Loading device: (0.7MPa~3 MPa)0.05Mpa when CPRESS is at 60C.
Displacement measuring range: 0mm~30mm
Displacement measuring accuracy: <0.01mm
Wheel track test time: 60 minutes~240 minutes. 60 minutes is standard.
Temperature controle for constant temperature chamber: Ambient temp.~80C,precision 0.3C.
1Deformation measurement: Precision 0.3%,minimum division 0.005mm.
1Test temperature: 45C~85C,precision 0.5C
1Working environment: Temperature 0C~50C,RH <90%
1Drive motor power: 0.75kW,1450r/min;
1Power supply: 3 phases and four lines. Power 5KW,The yellow line is working zero line
1Dimension: 1510mm*740mm*146mm
1Net weight: About 0.5 T