The friction spinning machine (Figure 1) operates on the basis of a principle of mechanical/aerodynamic spinning.
Being an open-end spinning machine, it effects direct transformation of sliver into yarn and delivers, at high speed, very large packages.
A rotating carding cylinder (1) breaks up the sliver applying a high draft between the entry (2) and the clothed surface of the cylinder itself. Thanks to a strong pneumatic suction effect (3), which increases the draft, the fibres are
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