(57) The invention relates to the method for measuring the weight of fibre sliver through
monitoring the quantum of fibres in the fibre sliver passing through the defined space
(10) between a pair of drawing rollers out of which one is a pressing roller, at which
the by passing fibre sliver through a defined space (10) between a pair of drawing
rollers, the longitudinal axis of pressing roller (42) is deflected in a plane passing
through longitudinal axes of the drawing rollers, and in this plane or in the plane
parallel with it is sensed deflection of longitudinal axis of the pressing roller
(42) in at least one point , whereas the rate of deflection of longitudinal axis of
the pressing roller (42) is proportionate to the weight of fibre sliver.
The invention further relates to the device for measuring the weight of fibre sliver
comprising a pair of drawing rollers, out of which one is a pressing roller (42),
and the pair of drawing rollers is modified for passage of fibre sliver through the
defined space (10) between them. The pressing roller (42) is in the frame (1) of the
device mounted with the possibility to deflect its longitudinal axis in the plane
passing through the longitudinal axes of the drawing rollers, whereas to the assembly
of the pressing roller (42) there is assigned a contactless sensor (16) and/or contact
sensor (11) of measuring device of the change in position of longitudinal axis of
the pressing roller (42).
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