BENCH FOR TESTING SHAFT FOR TWISTING

FIELD: testing engineering. ^ SUBSTANCE: bench comprises asynchronous electric motor and balancing machine interconnected through the shaft to be tested, control unit, and resonance pickup mounted on the shaft and connected with the input of the control unit. The bench is provided with the frequency...

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Bibliographic Details
Main Authors FOKIN JU.I, TRAVINICHEV V.I, IVAKHIN A.I, LEMESHKO V.I, BAGROV G.V, KHOKHLOV D.A
Format Patent
LanguageEnglish
Russian
Published 27.02.2005
Edition7
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Summary:FIELD: testing engineering. ^ SUBSTANCE: bench comprises asynchronous electric motor and balancing machine interconnected through the shaft to be tested, control unit, and resonance pickup mounted on the shaft and connected with the input of the control unit. The bench is provided with the frequency converter, DAC unit, thyristor controller of voltage, and inverter. The first output of the control unit is connected with the frequency converter connected to the circuit for power supply to the asynchronous motor. The second output of the control unit is connected in series with the DAC unit and thyristor voltage controller connected with the exciting winding of the balancing machine. The circuit of the armature of the balancing machine is connected to the inverter. ^ EFFECT: enhanced reliability of testing. ^ 1 dwg
Bibliography:Application Number: RU20030119893