Description and Specification for Lab Tenders
Astra Scientific Dorry Abrasion Testing Machine.
Specification: It consists of a disc rotating about a shaft connected to
a reduction gear box coupled to a motor. The disc rotates at 28-30 RPM.
Under the rotating disc is a tray with an outlet to facilitate the
removal of sand. Two Conical Hoppers are mounted on a bracket fixed to
the circular tray. An arrangement is made for start and stop the flow of
sand. Two containers with weights are supplied to keep the specimens
pressed against the rotating disc. Suitable for operation on 220 V, 50
cycles, A.C. Supply.
