METHOD AND DEVICE FOR ESTIMATING A RADIAL DEFORMATION OF A ROTARY SHAFT

A method of estimating a radial deformation of a rotary shaft (290) in a loaded condition, comprising: recording a first radial displacement of the shaft's surface while rotating the shaft at a first angular speed corresponding to a relaxed condition of the shaft; on the basis of the first radi...

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Bibliographische Detailangaben
1. Verfasser:	SAARINEN, Kari
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method of estimating a radial deformation of a rotary shaft (290) in a loaded condition, comprising: recording a first radial displacement of the shaft's surface while rotating the shaft at a first angular speed corresponding to a relaxed condition of the shaft; on the basis of the first radial displacement, providing a first shape description representing the shaft's cross section in the relaxed condition; recording a second radial displacement of the shaft's surface while rotating the shaft at a second angular speed corresponding to said loaded condition of the shaft; on the basis of the second radial displacement, providing a second shape description representing the shaft's cross section in the loaded condition; and determining the radial deformation as a difference of the first and second shape descriptions.