Method for maintaining set of structures incorporated in screw structure in high speed train, involves carrying out maintenance of set of structures when measured ultrasound propagation time is out of range of reference propagation time

The method involves measuring ultrasound propagation time in a screw structure (1), and comparing the measured time with a reference propagation time defined for the screw structure by a standard clamping voltage. Maintenance of the set of structures in the screw structure is carried out when the me...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BEY FLORENCE, COCHETEUX FRANCIS, MARIE JEAN JACQUES, DODIN BENOIT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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