Rotating Opening Devices
topic
Rotating devices include spiked rollers (600–1000 rpm), drums with teeth or spikes (400–800 rpm, ≥600 mm diameter), rollers with toothed discs (asymmetrical triangular plucking elements), carding rollers (600–1000 rpm with saw-tooth wire, tooth spacing 6–8.5 mm), and beater arms. Striker element spacing progresses from coarse at the start to fine at the end of the line.
Role
These are the primary opening elements in blowroom machines. Carding rollers integrated into the blowroom produce the finest opening and best cleaning but stress fibres most severely. The choice of rotating device type and its position in the line determines opening intensity and fibre treatment quality.
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