Lattice Structures. Advantages and Restrictions

The most effective way to utilize potential of fiber reinforcement is lattice anisogrid structures. The peculiarity of the structures provides an effective distribution of loads along the fibers because the major acting loads run along the grid ribs i.e. in fiber direction. Thus, lattice anisogrid structures possess high weight efficiency in contrast to laminates.

The lattice structures are not afraid of cutouts and do not need drilling and milling. For these structures you can use special inserts.

Conventional composite technologies (winding, fiber placement) can produce parts only with geodesic and quasi-geodesic reinforcement paths, and regular grids. Structures with irregular grid density and non-geodesic reinforcement could provide more efficient distribution of acting loads and, as a result, weight reduction. However, such structures cannot be obtained by the conventional technologies.