Roller stretching system for spinning machine for stretching fibrous band with staple fibers, comprises stretching zone, in which total stretching of fibrous band takes place by two pairs of rollers

摘要

The roller stretching system (100) comprises a stretching zone (S), in which the total stretching of a fibrous band (F) takes place by two pairs of rollers (2,2a,3,3a). A braking unit is provided, which is arranged before the input pair of rollers of the stretching zone. The braking unit is formed by a turning bolt, which partially embraces the fibrous band to be stretched.