FIELD: physics.
SUBSTANCE: machine for friction and wear testing materials has a base with a power-drive station and the base is fitted with a power unit with a testing chamber, a measuring unit, a loading device with an actuator, a measurement and computing system consisting of a computer, a matching device and an actuator control unit. The loading device consists of a hydraulic demultiplicator and two electromechanical ball-bearing screw-nuts, unloaded by a hydraulic accumulator.
EFFECT: increased functionalities due to wider range of loads and increased accuracy of controlling loading and compensating natural wear of the loading system and the sample being tested.
4 cl, 1 dwg
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| 0 |
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SU121586A1 |
