14 An Experimental Substructure Test Object: Components Cut Out From a Steel Structure 151 Fig. 14.2 The one-piece structure. (a) an ISO view, (b) front view of the x–z plane, (c) top view of the x–y plane, (d) side view of the y–z plane, (e) the substructure after cutting off the top plate, (f) a possible design having discrete connections between the substructures possible to make cut outs so that the connections in the one-piece structure consists of small, discrete, areas such as shown in Fig. 14.2f. Eight M6 screws will join the two substructures when re-assembled. The screws will be added also to the one piece structure. The manufacturing was mainly made with a wire cutter. The wire sits in an upper and a lower support. The two supports can be controlled independently of each other, which enables manufacturing of very complex shapes. As an example, the upper support can move in a path forming a square at the same time as the lower support follows a circle form. A few pictures from the manufacturing are shown in Fig. 14.3. After the pictures were taken, the steps will be formed and the holes for the screws will be drilled.
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