Abstract: A device is disclosed for continuously cutting a fiber cable into sections, as well as a process for operating this device. The device includes a rotary knife carrier fitted with a plurality of knife blades, against which the fiber cable is pressed via a compression wheel. Wear and break of the knife blades are sensed by one or more structure-borne noise sensors. In addition, a characteristic parameter is formed from the signal from the structure-borne noise sensor(s) and compared with a comparison value. Deviations from the comparison value are recognized as disturbances.

Abstract: A device for crimping synthetic bundles or slivers of yarns, the device has a stuffing box provided with an inlet for a yarn bundle or sliver and including a movable press plate and a stationary counter plate opposite to the press plate, two axially parallel rollers disposed at the inlet for the yarn bundle or sliver and forming a gap through which the yarn bundle or sliver enters the stuffing box, a pivot arm pivotally mounted on a stationary pivot bearing, one of the two axially parallel rollers being rotatably mounted at a fixed position in a machine frame, another of the two axially parallel rollers being seated on the pivot arm so as to be rotatable about a rotation axis thereof and the press plate being pivotally connected to the pivot arm by means of a rocker so as to be pivotable about the rotation axis of the roller seated on the pivot arm or another rotation axis parallel with the rotation axis of the roller seated on the pivot arm, whereby the gap between the rollers is varied, a contact pressure d