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Aggregate Micro Deval Abrasion Testing Machine

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This Deval machine is used to measure specific abrasion strength of aggregates, then to determine the quality of it.
  • TBTDAT-II
  • TBTSCIETECH
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For some stone aggregates, the abrasion strength are different depend on in state of dry or moist. This Deval machine is used to measure specific abrasion strength of aggregates, then to determine the quality of it.

The machine mainly consists of 4 rolling cylinder tanks, sealing covers, holding frame, gearbox, motor and controller.

 

Related Standard: NF P18-572.


The 4 cylinder tanks are mounted on two horizontal axis. Each cylinder can be used for one test.

The cylinder tanks are made of stainless-steel (Z 2 CN 18-10).

Inside the cylinder, there should not be any uneven due to welding.

The milling balls which to be put in cylinder and rolling with specimen, are made of stainless steel Z 30 C 13 of diameter 10±0.5mm.  

Electric motor drives the cylinders rotating at a constant speed of 100±5 tr/min to perform abrasion testing. The engine will be automatically stopped at end of the test.


Milling Cylinders

4 pcs

Cylinder inner diameter

200±1mm for particle 4~14mm

400±2mm for particle 20~50mm

Cylinder length

154±1mm

Cylinder wall thickness

3~4mm

Caps for cylinders

8mm thickness for sealing

Steel balls

diameter 10mm, 4kg

Voltage

220V, power 1KW

Power consumption

1KW


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