MI.SA-1008
Dorry Abrasion Testing:-
This is for aggregates resistance to abrasion. The
apparatus consists of a metal disc which revolves in a horizontal plane on a
vertical shaft. A suitable attachment for holding the specimen with is axis
vertical and its lower end pressed with a prescribed pressure against the
surface of the disc (the distance from the centre of specimen to the centre
of shaft being 25 cm) is provided. A convenient funnel for feeding sand
continuously upon the rotating disc is also provided. The machine is fitted
with a ¼ h.p. electric motor, driven through a reduction gear to give
28-30 revolution of the disc per minute. Suitable for operation from 220/230
volts single phase, A.C. supply
Meets :- BS:812
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