FIELD: test equipment.
SUBSTANCE: machine contains test specimen and counter-specimen, which are in process of tests in force frictional interaction, drives for their rotation, measuring system as a part of the counter-specimen displacement measurement unit, the specimen surface parameters recording unit, the counter-specimen angular rotation rate sensor, electric outputs of which are connected through analogue-to-digital converter to computer, system for automatic control of friction force in zone of friction interaction of working surfaces of specimen and counter-specimen as part of dynamometric bearing assembly, discriminator, regulator, servovalve of working fluid supply and hydraulic cylinder of platform movement with counter-specimen holder.
EFFECT: high measurement accuracy and reduced systematic component of measurement error.
1 cl, 1 dwg
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