Los Angeles Abrasion Testing Machine
Specification
There is an opening which can be closed with a dust tight cover to
facilitate charging and discharging the drum with the material under
test.
A detachable shelf which extends throughout the inside length of the
drum which catches the abrasive charge and does not allow it to fall on
the cover.
The machine consists of a hollow cylinder mounted horizontally on a study frame on ball bearings.
A tray is supplied for collection of the material at the end of the test.
Complete with Abrasive Charge consisting of a set of Twelve hardened
steel balls, approximately 48mm dia. Suitable for operation on 440 V, 3
Phase, 50 cycles, A.C. Supply.
The drum is rotated by an electric motor through a heavy reduction gear
at a speed of 30-33 R.P.M. A revolution counter is fitted to the frame.