The primary components of the Leno mechanism include doup frames and healds, which work in coordination to twist the warp yarns. The doup frames hold and twist two adjacent warp yarns in opposite directions, forming the Leno weave. The healds, on the other hand, control the movement and positioning of the warp yarns as they pass through the weaving process. These parts are critical for maintaining the precise yarn placement and twist that define the Leno structure.

In a Leno weaving machine, the Leno mechanism is often driven by cams, which control the timing of the yarn twists and the insertion of the weft yarn. The system is synchronized with the motion of the shuttle (or other weft insertion mechanisms) to ensure that the twist in the warp yarns remains intact as the weft yarn is passed through the shed. This synchronization is crucial for producing a consistent, high-quality mesh fabric.

The Leno mechanism's ability to create a secure and stable weave despite the openness of the fabric makes it ideal for applications requiring strength combined with flexibility. Fabrics woven with the Leno technique are known for their durability, resistance to unraveling, and the unique texture they provide, making them essential in many specialized textile industries, including agriculture, fashion, and technical textiles.

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The Leno mechanism is a specialized system used in textile weaving machines, particularly for producing fabrics with an open, mesh-like structure. Unlike conventional weaving that simply interlaces the warp and weft yarns, the Leno mechanism twists adjacent warp yarns in opposite directions before interlacing them with the weft yarn. This creates a strong, durable, and flexible mesh, commonly used in textiles like nets, bags, curtains, and other fabrics that require a looser, more open structure.