Method and an apparatus for continuously monitoring the cross-se

Details Method and an apparatus for continuously monitoring the cross-se Method and an apparatus for continuously monitoring the cross-se

1979-01-19

1980-11-11

Little, Willis

Geometrical instruments

Area integrators

Electrical

33149J, G01B 704

Patent

active

042324475

ABSTRACT:
In the continuous measurement and control of deviations in cross-section of slivers with constant relative sensitivity which is independent of the adjusted set value with respect to this set value, the sliver is guided between a grooved roller and a feeler roller which contact each other in the absence of the sliver between the grooved roller and the feeler roller. The changes in the position of the feeler roller are converted into rotational movements of a lever shaft and thus into changes of direction of a measuring tab. The measuring tab is arranged eccentrically on the lever shaft.
A sensor is movable by means of a lead spindle which is perpendicular to the lever shaft and lies in a plane determined by the lever shaft and by the axis of the feeler roller in the absence of sliver between the rollers. This sensor preferably has a magneto-resistor. The changes in direction of the measuring tab are, therefore, transformed into fault signals of the magneto-resistor, the fault signals being used to control the thickness of the sliver.

REFERENCES:
patent: 1133300 (1915-03-01), McGauley
patent: 2179517 (1939-11-01), Pelosi
patent: 2392010 (1946-01-01), Stevens
patent: 2858614 (1958-11-01), Schuenemann
patent: 4060734 (1977-11-01), Tilley et al.
patent: 4121716 (1978-10-01), Luperti et al.
patent: 4136454 (1979-01-01), Jenkins et al.

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