Rotor Design and Geometry

Rotor specifications: diameter (28-56 mm, smaller for finer counts/higher speed, larger for coarser counts/better trash removal), groove angle (30-60°, affecting fibre packing, twist propagation), groove width and depth (2-5 mm width, 1-3 mm depth depending on count), surface finish (smooth for friction reduction), and material (aluminum alloy standard, lightweight for high speed; ceramic or steel for abrasion resistance with coarser/synthetic fibres). Opening roller: diameter 40-66 mm, wire clothing with 400-1000 points/cm², angle 30-40°, speed 6,000-8,000 rpm (tip speed 15-35 m/s). Navel design: fibre transport channel geometry affecting fibre trajectory, trash removal, and efficiency—optimized via CFD simulation.