FIELD: study of behavior of extrudate in compression locks and cavities of leakage of single-screw presses.;SUBSTANCE: proposed device includes bearing support on which cylindrical base with fixed die is mounted; strain gages bonded on said die are used for measurement of torque and axial forces; device is also provided with compression chamber which is brought in tight contact with die, cylindrical base and plunger; device has rod with changeable piston of varying length and diameter; rod with piston is mounted for rotation relative to fixed die at variable angular velocity by means of electric motor.;EFFECT: extended field of application; reduced measurement errors.;2 dwg
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