CoreTechnologie GmbH, headquartered in Mömbris, Germany, has announced an update to its 4D_Additive, including a revision of the software’s lattice structure module. This update enables users to more easily create customised, complex part geometries for additively manufactured components.
Using 4D_Additive 1.5 new lattice structure functions, additively manufactured components with additional properties such as progressive damping, efficient heat exchange, lightweight design or functions of an assembly integrated into a single component can be quickly developed and optimised. The cell size and grid thickness of the structures can be adapted to the load profile using a colour graphic, allowing areas with higher loads to be adaptively generated with a denser structure. The software’s Nastran interface enables the seamless transfer of data to CAE calculation systems to validate the geometries generated in seconds.
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The module features twenty-two different grid types, with internal and external grids generated from original 3D/CAD models. Individual surface areas or parts of the component volume are able to be replaced with lightweight, high-strength structures such as gyroids or Stochastk Voronoi, optimising the CAD model for the respective application.
The creation of perforation patterns is also possible with the help of new Boolean functions. Thousands of holes of any size are automatically generated so that they are perpendicular to the surface of the CAD model. Interesting applications for the Additive Manufacturing lattice technology include, for example, additively manufactured moulds for vacuum thermoforming or the production of catalytic converters.