INSTALLATION FOR CHECKING ABRASIVE WEAR OF MATERIALS Russian patent published in 1994 - IPC

FIELD: testing materials in stream of abrasive particles. SUBSTANCE: installation comprises casing, hopper for abrasive material, rotor with radial channels, rotor drive, disc, holder of specimens and their propelling mechanism. It also has rods articulated at one end to corresponding specimen holders, while at the other end they are connected with nut of a screw-and-nut mechanism installed coaxially with rotor. Linkage between specimen holders and disc consists of brackets mounted on disc at an acute angle thereto, equal to the attack angle. Specimen holders are capable of moving along brackets, parallel to the plane of specimen wearing surface. EFFECT: higher reliability of test results. 2 dwg