Spiral Leaf

The conveying performance of a screw conveyor depends directly on the geometry and wear resistance of its spiral leaf. A damaged leaf causes material backflow and reduced capacity.

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The spiral leaf is the main component of screw conveyors, transporting material from one point to another using a rotating helical blade fixed to the shaft. Atlas Yem spiral leaves are manufactured from high wear-resistant steel or with hardened surface coating options for abrasive materials. Precise pitch and diameter tolerances optimize material flow while preventing overflow and jamming. Single-piece or segmented design options ensure easy field installation and stock flexibility.