FIELD: study of operation of friction pair (surface of cylinder with surface of ring) in estimating wear resistance of surfaces machined in accordance with standard technology and latest technology. SUBSTANCE: for realization of method, use is made of active having housing which is connected with carriage or table of machine; device is used for operation of specimens under identical conditions. EFFECT: enhanced efficiency of study of wear resistance of cylinders of internal combustion engines, piston rings, pipes, etc. 5 cl, 1 dwg
