Vibrorheometer

Details Vibrorheometer Vibrorheometer

G - Physics

01

N

73/159, 73/69

G01N 11/10 (2006.01)

Patent

CA 1227063

- 15 - VIBRATION RHEOMETER ABSTRACT A vibration rheometer comprises a measuring unit made up of two elements arranged with gap therebetween, the ma- terial to be investigated being placed in said gap. One element is secured on a shaft so that it can torsionally vibrate about said shaft which carries a transducer of the angular displacement of said element into an electrical signal, while the second element is rigidly secured to an output shaft of a servo drive electrically connected to a control unit. The vibration rheometer also comprises a ro- tation drive having a motor and, mounted of the shaft of said motor, a rotation speed transducer electrically con- nected to the servo drive, and a rotation speed setter of the shaft, connected to said motor. The transducer of the angular displacement of the second element of the measuring unit into an electrical signal comprises a magnetic lens placed on a mount arranged on the output shaft of the servo drive so that it can rotate about said shaft and kinematic- ally connected with the shaft of the rotation drive, and a galvanomagnetic cell.

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