| 摘要 |
The method comprises: 1) application of an expanding main additive medium; 2) subtractive refinement of the medium; and 3) final additive finish or cleaning. The application may include spraying or extruding a two part expanding foam through a nozzle onto a three dimensional (3d) surface. The foam expands rapidly when mixed and binds with the surface onto which it is prayed, to facilitated 3d printing onto walls, floors or roofs. The foam may be open cell thermally insulating material with a binder for adhesion. Also claimed is a system for applying building materials including a platform that facilitates access to different parts of a building and one or more heads which facilitate different operations. The platform may be a crane, a scissor lift which can be wheeled or tracked or a suspended platform. |
